OILTAP G
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Questions and Answers

What is included in the spare parts list for OILTAP® G type G III 1600?

  • Sealing ring
  • Worm wheel
  • Energy accumulator spring
  • All of the above (correct)

    • The first spare part is the ______ ring.

    sealing

    How many pcs of the safety diaphragm are listed in the spare parts list?

    1

    There are two gasket types listed for the OILTAP® G type G III 1600.

    <p>True</p> Signup and view all the answers

    What is the part number for the Energy accumulator spring 456 kp?

    <p>550682:01</p> Signup and view all the answers

    The sealing ring part number is ______.

    <p>860049:01</p> Signup and view all the answers

    Which part number corresponds to the left pawl, preassembled?

    <p>002282:06</p> Signup and view all the answers

    What is the part number for the counter bolt, complete, up to 01/68?

    <p>095114:01</p> Signup and view all the answers

    How many pieces of gaskets for diverter switch oil compartment are listed?

    <p>7</p> Signup and view all the answers

    Which component is associated with the part number 550721:01?

    <p>Pressure spring G III/G I 1602/G I 3002</p> Signup and view all the answers

    The hex head screw M 10x85 was introduced before 1978.

    <p>False</p> Signup and view all the answers

    How many parts are in a pack of current strips?

    <p>48</p> Signup and view all the answers

    The right pawl, preassembled, is associated with part number _____

    <p>003767:06</p> Signup and view all the answers

    What is the total number of pressure springs listed?

    <p>96</p> Signup and view all the answers

    Match the following parts with their respective quantities:

    <p>Cup spring = 28 Tension lever = 24 Bolt = 6 Circlip = 2</p> Signup and view all the answers

    The cover gasket is listed as part number 590588.

    <p>True</p> Signup and view all the answers

    What are the positions measured in the contact carrier?

    <p>All of the above</p> Signup and view all the answers

    What is the minimum permissible clearance for play S1 between copper contact fingers?

    <p>0.5 mm</p> Signup and view all the answers

    What bolt size is required for the middle attachment bolts of all contact bridges?

    <p>M6 x 18</p> Signup and view all the answers

    The rivet washer can be moved in relation to the rivet head if riveting is done correctly.

    <p>False</p> Signup and view all the answers

    What is the maximum permissible clearance for the locking pawl pin?

    <p>0.5 mm</p> Signup and view all the answers

    The maximum permissible contact wear is associated with ____.

    <p>individual wear criteria</p> Signup and view all the answers

    Which of the following should be visually checked during maintenance of diverter switches type G?

    <p>All of the above</p> Signup and view all the answers

    The total wear is indicated by the code F _____

    <p>21000</p> Signup and view all the answers

    What is the maximum wear measurement in type G?

    <p>7 mm</p> Signup and view all the answers

    The permissible wear differences between switching contact and transition contact are outlined.

    <p>True</p> Signup and view all the answers

    What should be done if the measured insulation value falls below 1000 MΩ?

    <p>Contact the responsible OPS.</p> Signup and view all the answers

    Match the following OLTC types with their respective varistor types.

    <p>OILTAP® R = ZnO VACUTAP® VM® = SiC OILTAP® G = ZnO OILTAP® T = ZnO</p> Signup and view all the answers

    Before removing the tap-change supervisory control, remove the _____ from the diverter switch.

    <p>supporting cylinder</p> Signup and view all the answers

    What must be used to check transverse insulation on moving arcing contacts?

    <p>Megohmmeter</p> Signup and view all the answers

    It is safe to perform work without profound knowledge of maintenance procedures.

    <p>False</p> Signup and view all the answers

    What is the diameter of rivet bolts installed in diverter switch type K until approximately June 1971?

    <p>10 mm</p> Signup and view all the answers

    The auxiliary contacts should be insulated from the ___ system for electrical functionality.

    <p>lever</p> Signup and view all the answers

    Which part requires the indication "drilled"?

    <p>Tension bolt</p> Signup and view all the answers

    What is the part number for the main contact support?

    <p>014247:02</p> Signup and view all the answers

    What is required to ensure de-energization of the tap-change supervisory control?

    <p>Check all connection terminals against ground potential.</p> Signup and view all the answers

    The tap-change supervisory control can be recognized by its bushing.

    <p>True</p> Signup and view all the answers

    How many connecting leads are made of flexible wire in a sector?

    <p>3</p> Signup and view all the answers

    The tightening torque for the resistor connecting leads is _____ Nm.

    <p>6</p> Signup and view all the answers

    What is the part number for the protective spark gap device installed since 11/74?

    <p>015857:01</p> Signup and view all the answers

    What is needed to replace the connecting leads of protective spark gaps G22 000?

    <p>The diverter switch must be removed from the resistor cylinder.</p> Signup and view all the answers

    The old version of flexible connecting leads does not need to be replaced.

    <p>False</p> Signup and view all the answers

    What is the strip isolation for varistor types 33 mm?

    <p>33 mm</p> Signup and view all the answers

    Which varistor types are mentioned for delivery dates between 1984 and 2003?

    <p>Both A and C</p> Signup and view all the answers

    The varistor elements type 33 mm (several) can be visually distinguished from type 33 mm QN33.

    <p>False</p> Signup and view all the answers

    What is the maximum deviation from new value for a varistor stack?

    <p>10%</p> Signup and view all the answers

    All varistor stacks must be replaced with ____ at next maintenance for type 33 mm (several).

    <p>33 mm QN33</p> Signup and view all the answers

    Which tap changers are specified for installation of varistor elements 56 mm?

    <p>OILTAP® type G</p> Signup and view all the answers

    What should be used to write the UV20 value on a varistor element?

    <p>Waterproof, non-conductive pen</p> Signup and view all the answers

    Varistor elements delivered before 31 December, 1981 had their rated current value printed on them.

    <p>False</p> Signup and view all the answers

    What is the criterion for maintaining 10 varistor elements?

    <p>Total UV20 &gt; 40 kV</p> Signup and view all the answers

    What voltage was used for the test equipment with 1 mA for measuring 33 mm varistor elements?

    <p>10 kV</p> Signup and view all the answers

    What is the designation for the sealing ring (ring gasket)?

    <p>860049:01</p> Signup and view all the answers

    Which of the following is the part number for the safety diaphragm?

    <p>020027:04</p> Signup and view all the answers

    What is the purpose of the safety diaphragm?

    <p>Prevents damage or malfunction due to pressure changes.</p> Signup and view all the answers

    The energy accumulator spring with a force of 456 kp is designated as ________.

    <p>550682:01</p> Signup and view all the answers

    Match the following parts with their respective quantities:

    <p>Sealing ring (ring gasket) = 1 Safety diaphragm = 1 Coupling = 1 Bearing = 2</p> Signup and view all the answers

    The taper sleeve has 3 pieces in the spare parts list.

    <p>False</p> Signup and view all the answers

    How many 'O rings for safety diaphragm' are included in the spare parts list?

    <p>1</p> Signup and view all the answers

    Which of the following is the part number for the energy accumulator spring of 260 kp?

    <p>550676</p> Signup and view all the answers

    What is the part number for the tension bolt with indication 'drilled'?

    <p>12 054536:00</p> Signup and view all the answers

    What must be done before removing the on-load tap-changer cover?

    <p>Ensure that the tap-change supervisory control is de-energized.</p> Signup and view all the answers

    The connection of the supply voltage for the tap-change supervisory control is independent of the connection diagram of the motor-drive unit.

    <p>False</p> Signup and view all the answers

    The part number for the protective spark gap device installed since 11/74 is __________.

    <p>015857:01</p> Signup and view all the answers

    Match the following terms with their details.

    <p>Sledge = Use always SETERSATZ Tension Bolt = Part number 12 054536:00 with indication 'drilled' Cocking Pin = Used for order/offer Drive Shafts = Part numbers 12 014251:03 and 12 014250:03 before 11/87</p> Signup and view all the answers

    What is the required tightening torque for resistor connecting leads?

    <p>6 Nm</p> Signup and view all the answers

    How many pieces of the coupling tube lock nut are required?

    <p>48</p> Signup and view all the answers

    What is the part number for the left pawl preassembled?

    <p>002282:06</p> Signup and view all the answers

    What is the part number for the right pawl preassembled?

    <p>003767:06</p> Signup and view all the answers

    How many Cup springs are needed?

    <p>30</p> Signup and view all the answers

    What is the part number for the Counter bolt complete up to 01/68?

    <p>095114:01</p> Signup and view all the answers

    Which of the following parts is needed for the diverter switch oil compartment? (Select all that apply)

    <p>O ring 700-10</p> Signup and view all the answers

    The part number for the Tension lever is _____

    <p>025676:03</p> Signup and view all the answers

    The energy accumulator spring for G I 1612 has a pressure capacity of 3030 N.

    <p>True</p> Signup and view all the answers

    How many Pressure springs are listed?

    <p>96</p> Signup and view all the answers

    What is the purpose of the circlip in the assembly?

    <p>It holds the parts together</p> Signup and view all the answers

    What does 'SETTERSATZ' indicate for the drive shafts?

    <p>It indicates the need for drilled parts.</p> Signup and view all the answers

    What are the permissible limit values for the play between copper contact fingers when in closed position?

    <p>S1 ≥ 0.5 mm</p> Signup and view all the answers

    The maximum permissible clearance for the locking pawl pin is 0.5 mm.

    <p>True</p> Signup and view all the answers

    What should be checked during every maintenance of the main contact?

    <p>Clearances</p> Signup and view all the answers

    The connection to the contact system during measurement is indicated by position ______.

    <p>1</p> Signup and view all the answers

    Match the following types of play with their minimum permissible clearances:

    <p>Play S1 between contact fingers = ≥ 0.5 mm Play S2 between switching contacts = ≥ 0.5 mm Play S3 between copper contact finger and round copper rod = ≥ 0.8 mm Play f1 between copper contact finger and contact carrier = ≥ 1.0 mm</p> Signup and view all the answers

    What should be noted in the assembly report for the contact bridges?

    <p>Contact bridges are bolted with M6 x 18 bolts.</p> Signup and view all the answers

    What happens if a rivet washer can be tilted up and down?

    <p>Riveting must be replaced using new material.</p> Signup and view all the answers

    The purpose of the additional contact sheet F26000 is related to _?

    <p>add contact sheet</p> Signup and view all the answers

    What is the diameter of rivet bolts installed in diverter switch type K until June 1971?

    <p>10 mm</p> Signup and view all the answers

    It is necessary to remove the tap-change supervisory control during maintenance.

    <p>True</p> Signup and view all the answers

    What must be measured to check the transverse insulation on moving arcing contacts?

    <p>Insulation value</p> Signup and view all the answers

    The acceptable minimum insulation value during the transverse insulation measurement is _?

    <p>1000 MΩ</p> Signup and view all the answers

    What happens if the insulation value falls below the limit of 1000 MΩ?

    <p>Contact the responsible OPS</p> Signup and view all the answers

    What must be checked before performing measurement on the lower fixed contacts in a diverter switch?

    <p>The respective main switching contact should be open</p> Signup and view all the answers

    Which types of on-load tap-changers are mentioned for dealing with voltage-dependent resistors?

    <p>All of the above</p> Signup and view all the answers

    The use of a megohmmeter is necessary for measuring insulation values.

    <p>True</p> Signup and view all the answers

    What is the maximum allowable deviation from new value for individual varistor elements after 31 December, 1981?

    <p>10%</p> Signup and view all the answers

    The varistor elements type 33 mm (several) can be used together with varistor elements type 33 mm QN33 in one varistor stack.

    <p>False</p> Signup and view all the answers

    What measurement value indicates a varistor element type 33 mm (several) when tested with 10 kV @1 mA?

    <p>Between 5 kV and 6.8 kV</p> Signup and view all the answers

    Varistors with diameter 56 mm are installed in the following on-load tap-changers type G only: __________

    <p>MR060352, MR060375, MR060384, MR060421, MR060426, MR060441</p> Signup and view all the answers

    Match the varistor types with their measurement criteria.

    <p>33 mm (several) = Between 5 kV and 6.8 kV 33 mm QN33 = Between 8 kV and 9 kV 56 mm = Requires specific check after 31 December, 1981</p> Signup and view all the answers

    What is the characteristic feature distinguishing varistor types visually?

    <p>1 mA voltage</p> Signup and view all the answers

    When must the varistor elements be measured for those delivered before 31 December, 1981?

    <p>At every maintenance</p> Signup and view all the answers

    The total voltage of varistor stacks in the individual sectors must not deviate by more than 2 kV.

    <p>False</p> Signup and view all the answers

    Which of the following tap changers types are compatible with varistor elements of 56 mm diameter?

    <p>OILTAP® type G</p> Signup and view all the answers

    What is the designation for the sealing ring (ring gasket)?

    <p>860049:01</p> Signup and view all the answers

    How many pcs of the safety diaphragm are required?

    <p>1</p> Signup and view all the answers

    Which of the following is a component used in the OILTAP® G Type G III 1600? (Select all that apply)

    <p>Pawl spring</p> Signup and view all the answers

    What is the part number for the gasket between OLTC head and transformer?

    <p>590371:01</p> Signup and view all the answers

    The energy accumulator spring rated at 456 kp has part number ___.

    <p>550682:01</p> Signup and view all the answers

    What is the part number for the Tension Bolt?

    <p>12 054536:00</p> Signup and view all the answers

    What is the function of the drive shafts mentioned?

    <p>They are used for main and switching contact before 11/87.</p> Signup and view all the answers

    The set replacement roller bolt is only necessary one time.

    <p>True</p> Signup and view all the answers

    Match the following components with their part numbers:

    <p>Copper rod, right = 014243:03 Copper rod, left = 016896:01 Lock tab = 051767:00 Pressure spring main contact = 550089</p> Signup and view all the answers

    The tightening torque for resistor connecting leads is _____ Nm.

    <p>6</p> Signup and view all the answers

    Which of the following is installed since 11/74?

    <p>Protective spark gap dev.</p> Signup and view all the answers

    What must be measured to ensure de-energization of the tap-change supervisory control?

    <p>All connection terminals against ground potential in AC and DC mode.</p> Signup and view all the answers

    One hour is estimated to check three sectors of connecting leads.

    <p>True</p> Signup and view all the answers

    What tool is necessary for checking transverse insulation?

    <p>Megohmmeter</p> Signup and view all the answers

    What is the minimum permissible clearance between copper contact fingers in a closed position?

    <p>0.5 mm</p> Signup and view all the answers

    What should be checked during every maintenance of the diverter switches G1600?

    <p>All of the above</p> Signup and view all the answers

    What must be visualized during maintenance work of diverter switches type G?

    <p>Solder joints</p> Signup and view all the answers

    Riveting is considered okay if the rivet washer can move in relation to the rivet head.

    <p>False</p> Signup and view all the answers

    What is the max permissible wear for a contact with a diameter of 8 mm?

    <p>4 mm</p> Signup and view all the answers

    The clearances to be checked during maintenance for main contact are listed in the chapter _____?

    <p>below</p> Signup and view all the answers

    What is the minimum permissible cog width for a worm wheel/worm gear?

    <p>1.5 mm</p> Signup and view all the answers

    What type of bolt is used for the middle attachment in the contact bridges?

    <p>M6 x 18 bolt</p> Signup and view all the answers

    What is the diameter of ZnO varistors discussed?

    <p>All of the above</p> Signup and view all the answers

    The types of varistors cannot be distinguished visually and dimensionally.

    <p>True</p> Signup and view all the answers

    What voltage measurement is used for varistor elements type 33 mm QN33?

    <p>10 kV @1 mA</p> Signup and view all the answers

    The maximum deviation from new value for individual varistor elements is ______.

    <p>20%</p> Signup and view all the answers

    Match the following varistor types with their measurement criteria:

    <p>33 mm (several) = Measured value between 5 kV and 6.8 kV 33 mm QN33 = Measured value between 8 kV and 9 kV 56 mm = Allows interchanging individual elements if limit values are exceeded SiC = Specific instructions for test equipment usage</p> Signup and view all the answers

    What must be written on varistor elements for delivery dates before 31 December, 1981?

    <p>Rated current value Uv</p> Signup and view all the answers

    What must be done if the limit values for varistor elements type 33 mm (several) are exceeded?

    <p>Replace stacks with 33 mm QN33</p> Signup and view all the answers

    What is the purpose of the upper coupling hub in the diverter switch?

    <p>To facilitate cleaning</p> Signup and view all the answers

    What diameter should holes be enlarged to before removal in diverter switch type K?

    <p>12 mm</p> Signup and view all the answers

    It is permissible to use a measuring device for varistors when checking insulation on diverter switches.

    <p>False</p> Signup and view all the answers

    The value of insulation may not fall below _____ during measurement.

    <p>1000 MΩ</p> Signup and view all the answers

    What are the two types of diverter switches mentioned?

    <p>Type G and Type K</p> Signup and view all the answers

    Which maintenance procedure must be performed when dealing with tap-change supervisory control?

    <p>Remove the tap-change supervisory control</p> Signup and view all the answers

    What must be observed to avoid risks during maintenance work?

    <p>Safety and hazard information</p> Signup and view all the answers

    What does SC stand for in the context of contacts?

    <p>Switching contact</p> Signup and view all the answers

    For more contact wear criteria, see inspection instructions type _____.

    <p>G</p> Signup and view all the answers

    What document must be referenced for permissible wear differences between switching contact and transition contact?

    <p>Inspection instructions type G</p> Signup and view all the answers

    What is the part number for the left pawl, preassembled?

    <p>002282:06</p> Signup and view all the answers

    How many cup springs are needed?

    <p>30</p> Signup and view all the answers

    Which of the following parts has a part number of 003854:08?

    <p>Counterbolt (1)</p> Signup and view all the answers

    The dished washer is used 30 times in the assembly.

    <p>True</p> Signup and view all the answers

    What is the quantity of gaskets for the diverter switch oil compartment?

    <p>1</p> Signup and view all the answers

    Match the following components to their respective quantities:

    <p>Lock tab = 48 Countersunk screw = 48 Armature of switch.contact = 24 Connecting lead, right = 3</p> Signup and view all the answers

    What is the part number for the spring guide?

    <p>004303:02</p> Signup and view all the answers

    How many tension levers are present?

    <p>12</p> Signup and view all the answers

    The energy accumulator spring for type G I 1612 has a pressure of ______.

    <p>3030 N</p> Signup and view all the answers

    What is the part number for the worm wheel with a single-thread, preassembled?

    <p>002264:98</p> Signup and view all the answers

    The guide bushing is not deliverable.

    <p>False</p> Signup and view all the answers

    What is the correct designation for the part with the part number 550721:01?

    <p>Energy accumulator spring G III/G I 1602/G I 3002</p> Signup and view all the answers

    What is the part number for the sealing ring (flat gasket) used for the first 10 OLTCs?

    <p>590144:01</p> Signup and view all the answers

    How many energy accumulator springs of 456 kp are listed?

    <p>1</p> Signup and view all the answers

    What is the designation for the part listed with part number 025598:02?

    <p>Coupling</p> Signup and view all the answers

    Which part has the part number 590371:01?

    <p>Gasket between OLTC head and transformer</p> Signup and view all the answers

    The energy accumulator spring rated at 260 kp has the part number __________.

    <p>550676</p> Signup and view all the answers

    There are 2 circlips listed in the spare parts for type G III 1600.

    <p>True</p> Signup and view all the answers

    How many pcs of the sealing ring (ring gasket) are listed?

    <p>1</p> Signup and view all the answers

    What is always required to use with tension bolts?

    <p>All of the above</p> Signup and view all the answers

    Copper rods, right and left, are used in sets of 4.

    <p>False</p> Signup and view all the answers

    What is the part number for the locking tab?

    <p>051767:00</p> Signup and view all the answers

    What is the purpose of the protective spark gap?

    <p>To prevent electric shock and provide safety during maintenance.</p> Signup and view all the answers

    What should be checked before starting maintenance work?

    <p>Ensure the tap-change supervisory control is de-energized</p> Signup and view all the answers

    The version with tap-change supervisory control can be recognized by its _____ at the on-load tap-changer head.

    <p>bushing</p> Signup and view all the answers

    When can the connecting leads of protective spark gaps be replaced;

    <p>When they are damaged or do not meet specifications.</p> Signup and view all the answers

    Match the components with their actions:

    <p>Copper rod = Conduct electricity Switching contact = Control on-load tap-changer functions Protective spark gap = Prevent electric shock Pressure spring = Maintain system pressure</p> Signup and view all the answers

    What is the tightening torque for resistor connecting leads?

    <p>6 Nm</p> Signup and view all the answers

    What device is used for measurement in the described procedure?

    <p>Megohmmeter</p> Signup and view all the answers

    The minimum permissible clearance for play between copper contact fingers in a closed position is ___ mm.

    <p>0.5</p> Signup and view all the answers

    What must be visually checked on the solder joints during maintenance?

    <p>Cracks</p> Signup and view all the answers

    Play between switching contacts in a closed position must be less than 0.5 mm.

    <p>False</p> Signup and view all the answers

    Which bolt size is specified for the middle attachment bolt of contact bridges?

    <p>M6 x 18</p> Signup and view all the answers

    What happens if the riveting washers can be tilted?

    <p>Riveting must be replaced using new material.</p> Signup and view all the answers

    The maximum permissible cog width for the worm wheel and worm gear is ___ mm.

    <p>1.5</p> Signup and view all the answers

    What is the maximum permissible clearance for a locking pawl pin?

    <p>0.5 mm</p> Signup and view all the answers

    Match the following maximum permissible contact wear specifications:

    <p>A = 2 Ø B = 3 C250 = 3 C350 = 8</p> Signup and view all the answers

    What is the part number for the Left Pawl, preassembled?

    <p>002282:06</p> Signup and view all the answers

    What is the correct number of Cup Springs?

    <p>30</p> Signup and view all the answers

    The Gasket between OLTC head and transformer cover is designated as part number 056391:00.

    <p>True</p> Signup and view all the answers

    How many Pcs of the Pressure Spring are listed?

    <p>96</p> Signup and view all the answers

    The part number for the Right Pawl, preassembled is __________.

    <p>003767:06</p> Signup and view all the answers

    Match the component with its associated quantity:

    <p>Upper contact cyl.ring = 1 Tension lever = 24 Locking plate = 8 Spring guide = 1</p> Signup and view all the answers

    What is the part number for the Gasket 3x818x758?

    <p>590593</p> Signup and view all the answers

    What is the part number for the Energy accumulator spring G III/G I 1602 with a pressure of 4708 N?

    <p>550721:01</p> Signup and view all the answers

    What is the permissible wear difference between switching contact and transition contact?

    <p>Refer to inspection instructions type G, IA57/83.</p> Signup and view all the answers

    What must be done to the coupling hub during cleaning of the diverter switch drive tubes on type G?

    <p>The upper coupling hub (energy accumulator) must be removed.</p> Signup and view all the answers

    What is the required insulation value when performing the measurement on arcing contacts?

    <p>The insulation value may not fall below 1000 MΩ.</p> Signup and view all the answers

    What is the diameter of rivet bolts installed in diverter switch type K until approx. June 1971?

    <p>10 mm</p> Signup and view all the answers

    What document must be referred to for total wear?

    <p>SAP document.</p> Signup and view all the answers

    Match the following OLTC types with their respective varistor types:

    <p>OILTAP® R = Zinc oxide (ZnO) VACUTAP® VM® = Silicon carbide (SiC) OILTAP® G = Zinc oxide (ZnO) OILTAP® M = Silicon carbide (SiC)</p> Signup and view all the answers

    The use of a measuring device for varistors is permitted for measuring insulation values.

    <p>False</p> Signup and view all the answers

    What should be removed at the beginning of maintenance for diverter switch insert?

    <p>Tap-change supervisory control</p> Signup and view all the answers

    What is the diameter range for the 33 mm varistors mentioned?

    <p>32-35 mm</p> Signup and view all the answers

    Which voltage measurement indicates a 33 mm QN33 varistor?

    <p>Between 8 kV and 9 kV</p> Signup and view all the answers

    Varistor elements type 33 mm (several) and type 33 mm QN33 can be used interchangeably within a single varistor stack.

    <p>False</p> Signup and view all the answers

    What is the maximum allowable deviation from the new value for individual varistor elements after maintenance?

    <p>20%</p> Signup and view all the answers

    The varistor elements must be measured at every maintenance for delivery dates before _____ .

    <p>31 December, 1981</p> Signup and view all the answers

    What should be used to write the UV20 value on varistor elements if it has not been done?

    <p>Waterproof, non-conductive pen</p> Signup and view all the answers

    What time period is indicated for version 33 mm (several) for maintenance?

    <p>From 31 December, 1981 to 31 December, 2003</p> Signup and view all the answers

    Match the following varistor types with their corresponding delivery dates:

    <p>OILTAP® = From 1 January, 1979 to 31 December, 2003 ZnO varistors = From 1 November, 1984 to 31 December, 2003 SiC stack = To 31 October, 1984 33 mm (several) = From 31 December, 1981 to 31 December, 2003</p> Signup and view all the answers

    All varistor stacks must be replaced with 33 mm QN33 at the next maintenance if limit values are exceeded when measuring them.

    <p>True</p> Signup and view all the answers

    Study Notes

    Introduction

    • Emphasizes the importance of following safety instructions while performing maintenance on on-load tap-changers.
    • Highlights the risks of personal injury and property damage if inadequately trained personnel conduct work.

    Spare Parts List Overview

    • Contains detailed lists of components necessary for maintenance and repairs of the OILTAP® G series.

    OILTAP® G Spare Parts

    • Provides specifications for various components including seals, gaskets, bearings, and springs.
    • Lists parts by type, such as energy accumulator springs, with defined specifications (e.g., 456 kp and 260 kp).
    • Includes quantities, part numbers, and any specific remarks related to design or application.

    Specific Spare Parts

    • Safety diaphragm: critical for maintaining system integrity, has a defined part number.
    • Coupling and bearing components are essential for connecting mechanisms within the on-load tap-changers.
    • Detailed quantities for each component, including multiple items for certain parts (e.g., 30 for cup springs).

    Unique Components

    • Lists specialized components like the left and right preassembled pawls, linking to the locking mechanism’s functionality.
    • Identifies varying versions of counterbolts, indicating timeline changes (e.g., specifications by date of manufacturing).

    Gaskets and Insulation

    • Various gaskets for oil compartments mentioned, critical for preventing leaks and maintaining pressure within the system.
    • Includes specific measurements for gaskets ensuring compatibility with different configurations and models.

    Assembly Notes

    • Important assembly components such as locking mechanisms are called out with details on part number and assembly notes.
    • Components for active current strips, fastening plates, and screws suggest the high importance of secure electrical connections.

    Component Maintenance and Upgrades

    • Indicates the significance of retrofitting and adapting older components with newer standards before specified dates.
    • Provides context for necessary checks and repairs that extend the operational capability and safety of the devices in question.

    Document Control

    • All rights reserved in accordance with standard DIN 34, underscoring the importance of compliance and documentation in maintenance practices.### Spare Parts for On-Load Tap-Changers
    • Documentation outlined for Type G III 1600 and G III 1602 tap-changers.
    • All rights reserved according to standard DIN 34, section 2.1.

    Key Components for Type G III 1600

    • Auxiliary contact armature and spare parts listed with multiple configurations.
    • Notable parts include:
      • Left and right springs: Part no. 48 550218 & 48 550219
      • Contact carrier: Part no. 24 002293:03
      • Tension lever (3 mm longer since 10/76): Part no. 24 025676:03
      • Drive shafts for auxiliary and switching contacts, with specific part numbers for each configuration.
    • Use of "SETTERSATZ" required for certain components with "drilled" indication for orders.

    Key Components for Type G III 1602

    • Detailed assembly parts with specificity for installation.
    • Main components include:
      • Cover and gasket details, including specifications for various types of worms and their corresponding part numbers.
      • Energy accumulator springs listed with operational limits for certain models (e.g., G III/G I 1602).
      • Key additions such as left and right pawls, adjustment pins, and additional parts like contact supports and screening sleeves.

    Component Specifications

    • Pressure springs: Used in both switching and main contacts with a quantity of 96 noted for specific part numbers.
    • Insulating pieces, locking plates, and bolts outlined for replacements.
    • Current strips and protective devices highlighted with operational dates for compatibility.

    Miscellaneous Information

    • Multiple parts specified for operational and maintenance needs, including roller bolts, guide bridges, and contact materials for different sectors.
    • Emphasis on precise quantities needed per assembly to ensure complete functionality and reliability of the tap-changers.
    • A set of small parts specifically identified for G I 1612 and G III 1602 to facilitate smoother repair processes.

    Manufacturing Notes

    • Recommendations made to ensure historically accurate part usage, particularly in regards to age-related specifications (1971-75 and the like).
    • Documentation includes specific instructions regarding parts per unit and assembly notes tailored for maintenance teams and operators.### Spare Parts and Materials
    • Spare parts list includes specific part numbers, ensuring correct replacements.
    • Various components indicated for the fixing material of the diverter switch drive tube, highlighting installation dates and specific quantities.
    • Components like lock nuts, screws, and washers are critical for securing the system effectively.
    • A set of spare contacts is prescribed for both single and three-phase systems.

    Maintenance Procedures

    • Conduct regular checks and replacements of parts as outlined in the spare parts list.
    • Always ensure tap-change supervisory control is de-energized prior to maintenance.
    • Identify tap-change supervisory control through its bushing without necessitating removal of the cover.
    • Key actions before working on the tap-changer include confirming de-energization and measuring connection terminals against ground.

    Testing Requirements

    • Utilize a megohmmeter for insulation measurements, specifically for moving contacts and auxiliary contacts to confirm functionality.
    • Ensure insulation values remain above 1000 MΩ during testing.
    • Measurements should span across various positions of contact systems to ensure consistency and safety.

    Operational Considerations

    • Replacement of connecting leads for protective spark gaps must be done following strict criteria: flexibility, movability, and condition.
    • The need for a mirror during inspections for certain systems is crucial for adequate visual checks.
    • A backup plan involving retrofitting with clamping sleeves is important when removing supervisory control systems to prevent loss of settings.

    Tightening Specifications

    • Specified tightening torques for various bolt connections ensure structural integrity and operational reliability.
    • Key connections include resistor connecting leads, clamping joints, and protective spark gap attachments, with specific torque values assigned.

    Inspections and Adjustments

    • Regular measurements and checks are required for play between contact fingers and switching contacts to maintain system efficiency.
    • Visual inspections of solder joints and rivet washers are integral parts of maintenance; visible damage signals need for further action.
    • Documentation of assembly reports enhances traceability and accountability during maintenance processes, particularly regarding bolt specifications.

    Summary of Contact Mechanisms

    • Clearances and play measurements for various components should meet specified limits to ensure proper function.
    • Detailed visual checks on riveted connections and general structural condition are vital to prevent failures during operations.

    Introduction

    • Emphasizes the importance of following safety instructions while performing maintenance on on-load tap-changers.
    • Highlights the risks of personal injury and property damage if inadequately trained personnel conduct work.

    Spare Parts List Overview

    • Contains detailed lists of components necessary for maintenance and repairs of the OILTAP® G series.

    OILTAP® G Spare Parts

    • Provides specifications for various components including seals, gaskets, bearings, and springs.
    • Lists parts by type, such as energy accumulator springs, with defined specifications (e.g., 456 kp and 260 kp).
    • Includes quantities, part numbers, and any specific remarks related to design or application.

    Specific Spare Parts

    • Safety diaphragm: critical for maintaining system integrity, has a defined part number.
    • Coupling and bearing components are essential for connecting mechanisms within the on-load tap-changers.
    • Detailed quantities for each component, including multiple items for certain parts (e.g., 30 for cup springs).

    Unique Components

    • Lists specialized components like the left and right preassembled pawls, linking to the locking mechanism’s functionality.
    • Identifies varying versions of counterbolts, indicating timeline changes (e.g., specifications by date of manufacturing).

    Gaskets and Insulation

    • Various gaskets for oil compartments mentioned, critical for preventing leaks and maintaining pressure within the system.
    • Includes specific measurements for gaskets ensuring compatibility with different configurations and models.

    Assembly Notes

    • Important assembly components such as locking mechanisms are called out with details on part number and assembly notes.
    • Components for active current strips, fastening plates, and screws suggest the high importance of secure electrical connections.

    Component Maintenance and Upgrades

    • Indicates the significance of retrofitting and adapting older components with newer standards before specified dates.
    • Provides context for necessary checks and repairs that extend the operational capability and safety of the devices in question.

    Document Control

    • All rights reserved in accordance with standard DIN 34, underscoring the importance of compliance and documentation in maintenance practices.### Spare Parts for On-Load Tap-Changers
    • Documentation outlined for Type G III 1600 and G III 1602 tap-changers.
    • All rights reserved according to standard DIN 34, section 2.1.

    Key Components for Type G III 1600

    • Auxiliary contact armature and spare parts listed with multiple configurations.
    • Notable parts include:
      • Left and right springs: Part no. 48 550218 & 48 550219
      • Contact carrier: Part no. 24 002293:03
      • Tension lever (3 mm longer since 10/76): Part no. 24 025676:03
      • Drive shafts for auxiliary and switching contacts, with specific part numbers for each configuration.
    • Use of "SETTERSATZ" required for certain components with "drilled" indication for orders.

    Key Components for Type G III 1602

    • Detailed assembly parts with specificity for installation.
    • Main components include:
      • Cover and gasket details, including specifications for various types of worms and their corresponding part numbers.
      • Energy accumulator springs listed with operational limits for certain models (e.g., G III/G I 1602).
      • Key additions such as left and right pawls, adjustment pins, and additional parts like contact supports and screening sleeves.

    Component Specifications

    • Pressure springs: Used in both switching and main contacts with a quantity of 96 noted for specific part numbers.
    • Insulating pieces, locking plates, and bolts outlined for replacements.
    • Current strips and protective devices highlighted with operational dates for compatibility.

    Miscellaneous Information

    • Multiple parts specified for operational and maintenance needs, including roller bolts, guide bridges, and contact materials for different sectors.
    • Emphasis on precise quantities needed per assembly to ensure complete functionality and reliability of the tap-changers.
    • A set of small parts specifically identified for G I 1612 and G III 1602 to facilitate smoother repair processes.

    Manufacturing Notes

    • Recommendations made to ensure historically accurate part usage, particularly in regards to age-related specifications (1971-75 and the like).
    • Documentation includes specific instructions regarding parts per unit and assembly notes tailored for maintenance teams and operators.### Spare Parts and Materials
    • Spare parts list includes specific part numbers, ensuring correct replacements.
    • Various components indicated for the fixing material of the diverter switch drive tube, highlighting installation dates and specific quantities.
    • Components like lock nuts, screws, and washers are critical for securing the system effectively.
    • A set of spare contacts is prescribed for both single and three-phase systems.

    Maintenance Procedures

    • Conduct regular checks and replacements of parts as outlined in the spare parts list.
    • Always ensure tap-change supervisory control is de-energized prior to maintenance.
    • Identify tap-change supervisory control through its bushing without necessitating removal of the cover.
    • Key actions before working on the tap-changer include confirming de-energization and measuring connection terminals against ground.

    Testing Requirements

    • Utilize a megohmmeter for insulation measurements, specifically for moving contacts and auxiliary contacts to confirm functionality.
    • Ensure insulation values remain above 1000 MΩ during testing.
    • Measurements should span across various positions of contact systems to ensure consistency and safety.

    Operational Considerations

    • Replacement of connecting leads for protective spark gaps must be done following strict criteria: flexibility, movability, and condition.
    • The need for a mirror during inspections for certain systems is crucial for adequate visual checks.
    • A backup plan involving retrofitting with clamping sleeves is important when removing supervisory control systems to prevent loss of settings.

    Tightening Specifications

    • Specified tightening torques for various bolt connections ensure structural integrity and operational reliability.
    • Key connections include resistor connecting leads, clamping joints, and protective spark gap attachments, with specific torque values assigned.

    Inspections and Adjustments

    • Regular measurements and checks are required for play between contact fingers and switching contacts to maintain system efficiency.
    • Visual inspections of solder joints and rivet washers are integral parts of maintenance; visible damage signals need for further action.
    • Documentation of assembly reports enhances traceability and accountability during maintenance processes, particularly regarding bolt specifications.

    Summary of Contact Mechanisms

    • Clearances and play measurements for various components should meet specified limits to ensure proper function.
    • Detailed visual checks on riveted connections and general structural condition are vital to prevent failures during operations.

    Introduction

    • Emphasizes the importance of following safety instructions while performing maintenance on on-load tap-changers.
    • Highlights the risks of personal injury and property damage if inadequately trained personnel conduct work.

    Spare Parts List Overview

    • Contains detailed lists of components necessary for maintenance and repairs of the OILTAP® G series.

    OILTAP® G Spare Parts

    • Provides specifications for various components including seals, gaskets, bearings, and springs.
    • Lists parts by type, such as energy accumulator springs, with defined specifications (e.g., 456 kp and 260 kp).
    • Includes quantities, part numbers, and any specific remarks related to design or application.

    Specific Spare Parts

    • Safety diaphragm: critical for maintaining system integrity, has a defined part number.
    • Coupling and bearing components are essential for connecting mechanisms within the on-load tap-changers.
    • Detailed quantities for each component, including multiple items for certain parts (e.g., 30 for cup springs).

    Unique Components

    • Lists specialized components like the left and right preassembled pawls, linking to the locking mechanism’s functionality.
    • Identifies varying versions of counterbolts, indicating timeline changes (e.g., specifications by date of manufacturing).

    Gaskets and Insulation

    • Various gaskets for oil compartments mentioned, critical for preventing leaks and maintaining pressure within the system.
    • Includes specific measurements for gaskets ensuring compatibility with different configurations and models.

    Assembly Notes

    • Important assembly components such as locking mechanisms are called out with details on part number and assembly notes.
    • Components for active current strips, fastening plates, and screws suggest the high importance of secure electrical connections.

    Component Maintenance and Upgrades

    • Indicates the significance of retrofitting and adapting older components with newer standards before specified dates.
    • Provides context for necessary checks and repairs that extend the operational capability and safety of the devices in question.

    Document Control

    • All rights reserved in accordance with standard DIN 34, underscoring the importance of compliance and documentation in maintenance practices.### Spare Parts for On-Load Tap-Changers
    • Documentation outlined for Type G III 1600 and G III 1602 tap-changers.
    • All rights reserved according to standard DIN 34, section 2.1.

    Key Components for Type G III 1600

    • Auxiliary contact armature and spare parts listed with multiple configurations.
    • Notable parts include:
      • Left and right springs: Part no. 48 550218 & 48 550219
      • Contact carrier: Part no. 24 002293:03
      • Tension lever (3 mm longer since 10/76): Part no. 24 025676:03
      • Drive shafts for auxiliary and switching contacts, with specific part numbers for each configuration.
    • Use of "SETTERSATZ" required for certain components with "drilled" indication for orders.

    Key Components for Type G III 1602

    • Detailed assembly parts with specificity for installation.
    • Main components include:
      • Cover and gasket details, including specifications for various types of worms and their corresponding part numbers.
      • Energy accumulator springs listed with operational limits for certain models (e.g., G III/G I 1602).
      • Key additions such as left and right pawls, adjustment pins, and additional parts like contact supports and screening sleeves.

    Component Specifications

    • Pressure springs: Used in both switching and main contacts with a quantity of 96 noted for specific part numbers.
    • Insulating pieces, locking plates, and bolts outlined for replacements.
    • Current strips and protective devices highlighted with operational dates for compatibility.

    Miscellaneous Information

    • Multiple parts specified for operational and maintenance needs, including roller bolts, guide bridges, and contact materials for different sectors.
    • Emphasis on precise quantities needed per assembly to ensure complete functionality and reliability of the tap-changers.
    • A set of small parts specifically identified for G I 1612 and G III 1602 to facilitate smoother repair processes.

    Manufacturing Notes

    • Recommendations made to ensure historically accurate part usage, particularly in regards to age-related specifications (1971-75 and the like).
    • Documentation includes specific instructions regarding parts per unit and assembly notes tailored for maintenance teams and operators.### Spare Parts and Materials
    • Spare parts list includes specific part numbers, ensuring correct replacements.
    • Various components indicated for the fixing material of the diverter switch drive tube, highlighting installation dates and specific quantities.
    • Components like lock nuts, screws, and washers are critical for securing the system effectively.
    • A set of spare contacts is prescribed for both single and three-phase systems.

    Maintenance Procedures

    • Conduct regular checks and replacements of parts as outlined in the spare parts list.
    • Always ensure tap-change supervisory control is de-energized prior to maintenance.
    • Identify tap-change supervisory control through its bushing without necessitating removal of the cover.
    • Key actions before working on the tap-changer include confirming de-energization and measuring connection terminals against ground.

    Testing Requirements

    • Utilize a megohmmeter for insulation measurements, specifically for moving contacts and auxiliary contacts to confirm functionality.
    • Ensure insulation values remain above 1000 MΩ during testing.
    • Measurements should span across various positions of contact systems to ensure consistency and safety.

    Operational Considerations

    • Replacement of connecting leads for protective spark gaps must be done following strict criteria: flexibility, movability, and condition.
    • The need for a mirror during inspections for certain systems is crucial for adequate visual checks.
    • A backup plan involving retrofitting with clamping sleeves is important when removing supervisory control systems to prevent loss of settings.

    Tightening Specifications

    • Specified tightening torques for various bolt connections ensure structural integrity and operational reliability.
    • Key connections include resistor connecting leads, clamping joints, and protective spark gap attachments, with specific torque values assigned.

    Inspections and Adjustments

    • Regular measurements and checks are required for play between contact fingers and switching contacts to maintain system efficiency.
    • Visual inspections of solder joints and rivet washers are integral parts of maintenance; visible damage signals need for further action.
    • Documentation of assembly reports enhances traceability and accountability during maintenance processes, particularly regarding bolt specifications.

    Summary of Contact Mechanisms

    • Clearances and play measurements for various components should meet specified limits to ensure proper function.
    • Detailed visual checks on riveted connections and general structural condition are vital to prevent failures during operations.

    Introduction

    • Emphasizes the importance of following safety instructions while performing maintenance on on-load tap-changers.
    • Highlights the risks of personal injury and property damage if inadequately trained personnel conduct work.

    Spare Parts List Overview

    • Contains detailed lists of components necessary for maintenance and repairs of the OILTAP® G series.

    OILTAP® G Spare Parts

    • Provides specifications for various components including seals, gaskets, bearings, and springs.
    • Lists parts by type, such as energy accumulator springs, with defined specifications (e.g., 456 kp and 260 kp).
    • Includes quantities, part numbers, and any specific remarks related to design or application.

    Specific Spare Parts

    • Safety diaphragm: critical for maintaining system integrity, has a defined part number.
    • Coupling and bearing components are essential for connecting mechanisms within the on-load tap-changers.
    • Detailed quantities for each component, including multiple items for certain parts (e.g., 30 for cup springs).

    Unique Components

    • Lists specialized components like the left and right preassembled pawls, linking to the locking mechanism’s functionality.
    • Identifies varying versions of counterbolts, indicating timeline changes (e.g., specifications by date of manufacturing).

    Gaskets and Insulation

    • Various gaskets for oil compartments mentioned, critical for preventing leaks and maintaining pressure within the system.
    • Includes specific measurements for gaskets ensuring compatibility with different configurations and models.

    Assembly Notes

    • Important assembly components such as locking mechanisms are called out with details on part number and assembly notes.
    • Components for active current strips, fastening plates, and screws suggest the high importance of secure electrical connections.

    Component Maintenance and Upgrades

    • Indicates the significance of retrofitting and adapting older components with newer standards before specified dates.
    • Provides context for necessary checks and repairs that extend the operational capability and safety of the devices in question.

    Document Control

    • All rights reserved in accordance with standard DIN 34, underscoring the importance of compliance and documentation in maintenance practices.### Spare Parts for On-Load Tap-Changers
    • Documentation outlined for Type G III 1600 and G III 1602 tap-changers.
    • All rights reserved according to standard DIN 34, section 2.1.

    Key Components for Type G III 1600

    • Auxiliary contact armature and spare parts listed with multiple configurations.
    • Notable parts include:
      • Left and right springs: Part no. 48 550218 & 48 550219
      • Contact carrier: Part no. 24 002293:03
      • Tension lever (3 mm longer since 10/76): Part no. 24 025676:03
      • Drive shafts for auxiliary and switching contacts, with specific part numbers for each configuration.
    • Use of "SETTERSATZ" required for certain components with "drilled" indication for orders.

    Key Components for Type G III 1602

    • Detailed assembly parts with specificity for installation.
    • Main components include:
      • Cover and gasket details, including specifications for various types of worms and their corresponding part numbers.
      • Energy accumulator springs listed with operational limits for certain models (e.g., G III/G I 1602).
      • Key additions such as left and right pawls, adjustment pins, and additional parts like contact supports and screening sleeves.

    Component Specifications

    • Pressure springs: Used in both switching and main contacts with a quantity of 96 noted for specific part numbers.
    • Insulating pieces, locking plates, and bolts outlined for replacements.
    • Current strips and protective devices highlighted with operational dates for compatibility.

    Miscellaneous Information

    • Multiple parts specified for operational and maintenance needs, including roller bolts, guide bridges, and contact materials for different sectors.
    • Emphasis on precise quantities needed per assembly to ensure complete functionality and reliability of the tap-changers.
    • A set of small parts specifically identified for G I 1612 and G III 1602 to facilitate smoother repair processes.

    Manufacturing Notes

    • Recommendations made to ensure historically accurate part usage, particularly in regards to age-related specifications (1971-75 and the like).
    • Documentation includes specific instructions regarding parts per unit and assembly notes tailored for maintenance teams and operators.### Spare Parts and Materials
    • Spare parts list includes specific part numbers, ensuring correct replacements.
    • Various components indicated for the fixing material of the diverter switch drive tube, highlighting installation dates and specific quantities.
    • Components like lock nuts, screws, and washers are critical for securing the system effectively.
    • A set of spare contacts is prescribed for both single and three-phase systems.

    Maintenance Procedures

    • Conduct regular checks and replacements of parts as outlined in the spare parts list.
    • Always ensure tap-change supervisory control is de-energized prior to maintenance.
    • Identify tap-change supervisory control through its bushing without necessitating removal of the cover.
    • Key actions before working on the tap-changer include confirming de-energization and measuring connection terminals against ground.

    Testing Requirements

    • Utilize a megohmmeter for insulation measurements, specifically for moving contacts and auxiliary contacts to confirm functionality.
    • Ensure insulation values remain above 1000 MΩ during testing.
    • Measurements should span across various positions of contact systems to ensure consistency and safety.

    Operational Considerations

    • Replacement of connecting leads for protective spark gaps must be done following strict criteria: flexibility, movability, and condition.
    • The need for a mirror during inspections for certain systems is crucial for adequate visual checks.
    • A backup plan involving retrofitting with clamping sleeves is important when removing supervisory control systems to prevent loss of settings.

    Tightening Specifications

    • Specified tightening torques for various bolt connections ensure structural integrity and operational reliability.
    • Key connections include resistor connecting leads, clamping joints, and protective spark gap attachments, with specific torque values assigned.

    Inspections and Adjustments

    • Regular measurements and checks are required for play between contact fingers and switching contacts to maintain system efficiency.
    • Visual inspections of solder joints and rivet washers are integral parts of maintenance; visible damage signals need for further action.
    • Documentation of assembly reports enhances traceability and accountability during maintenance processes, particularly regarding bolt specifications.

    Summary of Contact Mechanisms

    • Clearances and play measurements for various components should meet specified limits to ensure proper function.
    • Detailed visual checks on riveted connections and general structural condition are vital to prevent failures during operations.

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    Description

    This quiz covers the essential components and details found in the spare parts list for OILTAP® G. It introduces basic terminology and highlights key sections of the document, helping you grasp the organizational structure. Brush up on your knowledge of spare parts with this focused quiz.

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