Questions and Answers
Safety and warning instructions must be observed before starting work on the motor drive type.
True
What is the suggested interval for checking the wear of the cam control?
150,000 operations
What is the maximum recommended operation count after which the cam control must be replaced?
1,000,000 operations
Match the components with their respective descriptions:
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The customer reported a malfunction with the motor drive MA7/8, which has completed approximately ______ operations.
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Which of the following parts is listed as inactive?
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Manufacturer of the motor drive?
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Type of the motor drive?
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What is the year of manufacture?
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What is the counter value?
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What is the voltage for the motor circuit?
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What is the frequency for the motor circuit?
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What is the power of the motor drive?
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Are there any temperature limitations?
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How many resistance transmitters are there that switch with interruption?
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Diameter of the shaft stump at the angle gear?
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Condition of the angle gear (e.g. worn, rusty, needs replacement)?
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Is a tropical version needed?
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Were isolation plates replaced after March 2022?
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How many photos should be taken of the motor drive?
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What should be considered during maintenance in addition to the provided instructions?
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At what number of switches does the wear on the cam control need to be evaluated?
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What was discovered about the cam control during the technician's inspection?
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What was the state of the shafts found during the technician's inspection?
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Which part is listed as a replacement for the MA9?
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How many total switches approximately had the motor drives MA7/8 executed?
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What is the recommended procedure following the operational threshold of 1.9 million switches?
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What characteristic was reported regarding the motor drive's control mechanisms?
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What is the diameter of the screw head for the 5-pole microswitch starting from March 2022?
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How many insulator plates are included in the package for the 5-pole microswitch after March 2022?
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What is the material of the insulator plate used in the 5-pole microswitch package?
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Which group does the 3-pole and 6-pole microswitch belong to regarding the recent material changes?
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What is the reference number for the 5-pole microswitch manufactured after March 2022?
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What distinguishes the 5-pole microswitch released before February 2022 from those released thereafter?
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Which component's material is listed as 70350704 in the context of the 5-pole microswitch?
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What number of isolating plates is used with the step switch package that contains 5-pole microswitches from March 2022?
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What type of signals do the resistance transmitters that switch with interruption rely on?
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Which of the following parameters is least likely to be affected by a motor's operational environment?
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In the context of motor drives, what purpose do diodes serve in the matrix configuration?
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What is indicated by a motor's heating circuit being marked as AC?
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How can the hand crank revolution count impact the operation of a motor drive?
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Which condition would least likely require a tropical version of a motor?
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What defines a motor's 'Counter-Stand' in the context of its operation?
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What is primarily affected by the frequency setting in a motor's circuitry?
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When adjusting from stage __ to stage __, what indicates the direction of rotation for the drive shaft?
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What is measured in total revolutions for the vertical shaft from the lowest to the highest current?
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What is required to fill in for the motor drive when documenting the highest and lowest current?
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In the context of stage adjustments, what does 'Umdrehungen' refer to?
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What aspect is documented as the total run time of the motor drive when operating from the lowest to the highest current?
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What does the setting 'höchster Strom' represent in electrical terms?
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In the context of the content, which term refers to the controlled movement of the drive shaft?
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What type of current is necessary for operation adjustments as mentioned in the specifications?
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What adjustment instruction pertains to a runtime of 2.2 seconds for MA 9?
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Which of the following sections involves the addition of a plate pair for position feedback in MA 9?
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What describes the functional principle of the Durchlaufschutzeinrichtung for MA 9?
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Which instruction relates to adjusting the step control unit for a specific runtime of 2.2 seconds?
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Which section focuses on the limit values for positions of components range MA 1 through MA 9?
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Which segment of information provides instructions for replacing potentiometer coils in MA 9?
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The diameter of the Druckknöpfe was changed from 30mm to 22mm on May 1, 2005.
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There is a Türkontakt listed with a status of inactive.
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The Handkurbel is associated with the reference number 1 097546:00.
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Schaltelemente without a Lampenfassung has a reference number of 1 584045:01.
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An Adapter für 30mm -Einbau listed is specifically for increasing the diameter of components.
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The Zählwerk mit Adapter has a reference number of 1 73462400.
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The Drucktaster in white has a reference number of 1 083030:01.
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The technical documentation explicitly reserves all rights according to DIN 34, section 2.1.
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The wear on the cam control is evaluated after 1.5 million operations.
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The motor drive MA7/8 was reported to have successfully completed about 1.9 million switches.
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The investigation revealed that the shafts of the motor drives were in excellent condition during the technician's inspection.
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The Dichtung Lagerflansch is listed under a different part number than 590239:01.
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The guidelines state that maintenance checks should be based on fixed switching intervals.
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Customer reports indicated that both motor drives MA7/8 showed no signs of malfunction.
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The mentioned Klemmblech is intended for additional large clamps.
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The technician conducting the inspection of motor drives was named Hr. Schedl.
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The adjustment of the motor drive from stage __ to stage __ results in the drive shaft rotating in the opposite direction from the indicated sketch.
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The total run time of the motor drive from the lowest to the highest current is documented as the 'Gesamtlaufzeit'.
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The 'Umdrehungen' noted in the document always refers to the revolutions of the horizontal shaft only.
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The term 'höchster Strom' represents the maximum current output of the motor drive.
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The total revolutions of the vertical shaft from the lowest to the highest current are recorded separately from other measurements.
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When adjusting the motor drive, the current settings affect only the vertical shaft and have no impact on the horizontal shaft.
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The direction of the drive shaft during stage adjustments is indicated by the highest current setting.
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In the case of Tauchkernspulen, the adjustment from the lowest current to the highest current can impact the operation of the drive shaft.
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The medium setting of the step switch provides no voltage output.
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The power rating of the transformer is indicated next to the year of manufacture.
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A mechanical blockage of additional stages on the step switch is indicated as 'yes' in the specifications.
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The manufacturing number of the transformer and the step switch must be documented for technical records.
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The nominal current of the transformer should be recorded on the type plate.
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The voltage levels for the step switch are derived from the transformer's internal designation.
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The customer is required to provide a contact person's fax number in the specifications.
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The customer internal designation is provided for the transformer installation site.
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The diameter of the shaft stump at the angle gear is required to be measured in millimeters.
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The length of the horizontal shaft is irrelevant when documenting the motor drive's specifications.
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Photos of both the motor drive and the wave guide must be taken for documentation.
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Regular maintenance does not require checking the condition of the angle gear unless it is rusty.
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The specification to note the length of the vertical shaft is included in the document.
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It is not necessary to assess if the angle gear needs replacement unless it is out of production.
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The document stipulates the requirement to indicate any deflection in the sketches.
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The diameter of the shaft stump at the upper gear stage is not specified as a necessary measurement.
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The guidelines provided must be read completely before starting work.
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What equipment may be damaged if safety instructions are not followed?
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At what intervals should the cam control be checked for wear?
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What must be replaced after 800,000 operations?
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The motor drive MA7/8 has shown signs of wear after ___ million operations.
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The diameter of the push buttons was changed from 30mm to 22mm.
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What is the part number for the complete mechanical brake?
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What is the replacement criterion for the cam control according to the manual?
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Match the following components to their descriptions:
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Fabrikat of the motor drive: ____________
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Type of motor: ____________
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Year of manufacture: ____________
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Production number: ____________
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Counter reading: ____________
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Switch diagram number: ____________
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What is the operating voltage for the motor circuit?
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What is the power of the drive motor in kW?
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What are the conditions of the angle gear (e.g., worn out, rusty, needs replacement):
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Length of the vertical shaft: ____________ mm
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Length of the horizontal shaft (if available): ____________ mm
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Hand crank rotations when reversing direction for one stage:
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Photos of which components should be taken?
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Diameter of the shaft stub at the angle gear (shaft to motor drive): ____________ mm
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Diameter of the shaft stub at the angle gear (shaft to the upper gear stage): ____________ mm
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Diameter of the shaft stub at the input bearing or upper gear stage: ____________ mm
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What materials must be replaced for the 5-pole micro switches?
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Are 3 and 6-pole micro switches affected by the replacement?
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Only qualified personnel should conduct the work on the motor drive.
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What is the requirement before starting work on the motor drive?
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Match the components with their description:
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How often should the cam controller be checked for wear?
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The exchange of specific parts should happen after _____ operations.
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The exchange criterion of 500,000 operations for certain components has been upheld.
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What should be applied to the contact points of the cam controller?
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Which voltage levels of light bulbs are mentioned?
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What is the manufacturer of the motor drive?
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What is the type of the motor drive?
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What is the manufacturing number?
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What is the year of manufacture?
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What are the operating voltages for the motor circuit?
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What is the power of the drive motor?
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What is the temperature range of operation?
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The motor drive has a tropical version.
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The motor drive has a cold version.
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How many resistance remote transmitters are there with interruption switching?
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Specify the dimensions for the shaft guiding sketch.
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What is the condition of the bevel gear?
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Who filled out the documentation?
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Performing work by inadequately qualified personnel can lead to personal injury or damage.
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What must be read completely before starting the work?
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How often should the wear of the cam control be checked?
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What is the maximum recommended number of operations before the cam control should be replaced?
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The customer reported a malfunction after approximately __________ operations.
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What type of switch is mentioned in the parts list as a replacement part?
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The manual suggests performing maintenance at fixed intervals.
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Manufacturer of the motor drive:
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Type of the motor drive:
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Production Number:
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Year of manufacture:
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Counter reading:
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Switching diagram number:
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What is the nominal voltage of the motor's power circuit?
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What is the frequency of the motor's power circuit?
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What is the power rating of the motor drive?
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Operating temperature range:
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Is the motor drive suitable for humid conditions?
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How many pieces of resistance with interruption are used?
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How many pieces of resistance without interruption are used?
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What is the diameter of the shaft stump at the angle gearbox?
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What is the length of the vertical shaft?
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What is the length of the horizontal shaft, if applicable?
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Condition of angle gearbox:
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Who filled this form out?
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What should be done with the insulation plates after March 2022?
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Study Notes
Safety and Preparation
- Potential hazards include personal injuries, damages, and operational failures.
- Safety guidelines in the MR operating manual for the specific motor drive must be followed.
- Complete reading of the instructions is mandatory before commencing work.
- Prior experience or training with MR maintenance is required.
Parts and Components for Motor Drive MA 9
- Complete mechanical brake - 1 unit (Part No. 088857:03).
- Electrical end switch options:
- Variant 01 with 2x3 connections (Part No. 018832:02).
- Variant 02 with 2x6 connections (Part No. 018833:02).
- Step switch (micro switch 580381) - 1 unit (Part No. 086158:06).
- Gasket paste for flange of drive shaft - 1 unit (Part No. 900125:00).
- Various lamps and switches with modifications noted for diameter changes (from 30mm to 22mm since 02.11.2005).
Maintenance Guidelines
- Regular checks for wear on the cam control every 150,000 cycles are essential.
- Lubrication of wear points on the cam control is needed.
- Initial replacement of the cam control should occur between 800,000 and 1,000,000 cycles.
- Past replacement criteria of 500,000 cycles has been revised.
Detailed Maintenance Steps
- Cam control demonstrated significant wear after approximately 1.9 million cycles during troubleshooting on two units.
- Microscopic switches' actuation timings were affected due to wear.
- Specific wear points and lubrication spots are indicated in maintenance illustrations.
Technical Specifications for Motor Drives
- Documentation should include comprehensive data regarding drive specifications:
- Manufacturer, type, serial number, and operational data.
- Voltage and current specifications must be documented:
- Motor circuit voltage, frequency, and type (AC/DC)
- Heating circuit characteristics:
- Temperature ranges and special environmental specifications (tropical, cold).
Instruction for Motor Drive Replacement
-
Detailed customer and technical information must be collected for any drive replacement.
-
Ensure documentation includes details about transformer locations and specifications.
-
Record voltages across various switch positions as indicated on transformer type plates.### Drive Shafts
-
A sketch of the shaft layout is required, with specific measurements to be filled in for precise dimensions.
-
Measurement details include:
- Diameter of the shaft stub at the angle gearbox leading to the motor drive.
- Diameter of the shaft stub at the angle gearbox leading to the upper gear stage.
- Diameter of the shaft stub at the introduction bearing or upper gear stage.
- Length of the vertical shaft.
- Length of the horizontal shaft (if applicable).
- Deflection measurements should also be included in the sketch.
-
The condition of the angle gearbox should be assessed and noted, mentioning issues such as wear, rust, or need for replacement.
General Notes
- Photographs of the motor drive, shaft layout, and transformer are to be taken for documentation.
- Additional remarks can be made regarding any other observations relevant to the drive components.
Sketch Area
- A designated space on the document is provided for the sketch, which must be filled out by the responsible individual, alongside their signature.
Component Overview
- Details on assembly groups include:
- Housing
- Load gearbox and motor
- Various maintenance tasks, such as the exchange of load gearbox MA 9 and drive motor.
Switch and Component Replacement
-
A notification regarding the replacement of 5-pole microswitches in stepper switch packages MA7/MA9 valid from March 2022 highlights:
- The requirement to substitute old hardpaper insulators with new plastic insulators for enhanced isolation.
- Specifications of screw head diameters for old and new versions of microswitches (6.3 mm before February 2022; 7.3 mm starting March 2022).
-
Diagrams illustrate the arrangement and number of insulator plates necessary for effective functionality.
Components and Equipment
-
Lists of materials and quantities are detailed for:
- 5-pole microswitches (as of March 2022).
- Insulator plates (made of plastic).
-
Only 3-pole and 6-pole microswitches are not affected by this replacement measure.
Additional Maintenance and Settings
-
Instructions for adjusting potentiometer coils for MA9 and specific runtime settings for stepper switch units.
-
End position values for units MA 1 through MA 9 are provided for precise operational parameters.
-
Notes regarding the retrofitting of additional plate pairs for position sensing devices in MA 9.
-
Operational descriptions for the safety system (throughflow protection device MA 9) are included.
Component Information
- Complete housing, cover, and basin are highlighted as integral components.
- Klemmblech is used for additional clamps, identified by part number 1 062548:02.
- The sealing ring for the bearing flange is noted with part number 1 590239:01.
- A console for ED serves as a replacement for MA9, referenced as V07437:00.
Maintenance Guidelines
- Follow the image list for inspections, partial replacements, and retrofitting during maintenance.
- Inspections and component replacements are wear-dependent and should occur at each maintenance interval.
- Fixed interval checks are mandated based on circuit operations as detailed in section 3.3.
Motor Drive Details
- Motor drives MA7/8 reached approximately 1.9 million cycles each before significant wear was detected in the cam control.
- The wear led to changes in the switching timings of the microswitches in the affected motor drives.
Directional Information
- Guidance on adjusting stages is provided, specifying directionality in relation to the highest and lowest current settings.
- Total turns for vertical and horizontal axes must be recorded and monitored during adjustments.
Motor Specifications
- Motor ratings to be taken from the nameplate, including manufacturing details and operational voltages.
- Power requirements for the motor drive must be noted in kW for proper functionality.
Operating Conditions
- Operational temperature ranges are specified, with options for tropical and cold weather adaptations.
- Reverse values detail the required hand-crank revolutions to reverse directional functionality.
Component Comparison
- Distinction between five-pole microswitches produced before and after February 2022 based on screw head sizes (6.3 mm vs. 7.3 mm).
- Specifications for isolation plates and their arrangement in stepper switch packages are indicated.
Replacement Components
- Lists for replacement parts include:
- Five-pole microswitches from March 2022, material details, and part numbers.
- Assembly of isolation plates (plastic) used in conjunction with microswitches for optimal performance.
Adjustment Instructions
- Step timing adjustments and configuration for MA9 are detailed, providing critical insights into settings such as timing cycles.
- Guidelines provided for fine-tuning end position values across MA1 to MA9.
Additional Notes
- Emphasis on the rights reserved according to DIN 34, Section 2.1 in the technical documentation.
- Documented processes for retrofitting additional plate pairs are outlined to enhance position feedback systems.
Components List
- Hand crank with model number 1 097546:00.
- Hand shaft identified as 1 059299:01.
- Counting device with adapter, model 1 73462400.
- Door contact (lamp socket), model 1 582009:01, marked as inactive.
- Red pushbutton, model 1 083030:01, important note: change in diameter.
- White pushbutton, model 2 584046:01, change in diameter noted.
- Black pushbutton, model 1 585491:00, diameter adjustments from 30mm to 22mm since November 2, 2005.
- Switch elements 1S and 1Ö without lamp socket, model 2 584044:01, and with lamp socket, model 1 584045:01.
- Adapter for 30mm installation reduced to 22mm, model 1 728167:00, effective since November 2, 2005.
- Additional parts include complete cover, base, small terminal clamp (model 1 062548:02), flange seal (model 1 590239:01), and console for ED instead of MA9 (model V07437:00).
Maintenance Guidelines
- Technical documents rights reserved as per DIN 34, section 2.1.
- Visual checklists and parts replacement are important during maintenance.
- Maintenance procedures should include wear-dependent checks and fixed switching interval replacements.
Wear Monitoring for Mechanical Drives
- Check at 150,000 operational cycles for maintenance.
- Significant wear observed in cam control after approximately 1.9 million cycles on motor drives MA7/8.
- Noted failures in both motors due to severe cam wear and shaft deformation, affecting micro-switch operation timing.
Customer Information Field
- Collect customer details including name, contact person, telephone, and fax numbers.
- Gather information about transformer locations, specifications, and ratings.
Voltage and Current Details
- Record voltage at various switch positions from the type label.
- Identify any additional mechanical blockages in the step switch.
- Include current measurements at the lowest and highest settings.
Rotational Information
- Specify the rotational direction changes depending on switch position adjustments.
- Document revolutions per vertical and horizontal shafts along with overall drive time from lowest to highest current.
Drive Shaft Specifications
- Create a sketch detailing the drive shaft layout with specific measurements:
- Diameter at the angle gearbox and upper gearbox levels.
- Length of vertical and horizontal shafts.
- Evaluate angle gearbox condition and suggest necessary repairs or replacements.
Documentation and Visual Aids
- Emphasize the importance of photographs for component verification, including the motor drive, shaft layout, and transformer setups.
Introduction
- High risk of personal injury, damage, or malfunctions if tasks are performed by unqualified personnel or safety guidelines are ignored.
- The safety and operational instructions for the specific motor drive type must be followed.
- Complete review of the manual is required before beginning work.
- Familiarity with the MR training for maintenance on the motor drive type is necessary.
Parts List - Motor Drive MA 9
- Comprehensive parts list includes:
- Complete mechanical brake
- Limit switches (variants with different wiring)
- Step switch (micro switch)
- Springs, contact brushes, seals, and various lamp types, both incandescents and pilot lights.
- Key replacement criteria include changes in diameters for push buttons from 30mm to 22mm since November 2005.
- Inactive parts and variants are clearly indicated in the list.
Maintenance Procedure
- Maintenance inspections and parts replacement depend on operational wear and specified cycle intervals.
- Specific checks required every 150,000 switch operations.
- After 1.9 million operations, significant wear on the cam control was noted, necessitating checks and lubrication at intervals.
- Recommended replacement of cam control during step switch updates at 800,000 to 1 million switch operations.
Step-by-Step Instructions
- Acknowledgment of mandatory inspections and replacements, especially during maintenance.
- Inspection required at fixed intervals, including checks on governing components after significant operation milestones.
- Wear indicators on cam control must be monitored, and additional lubrication provided where necessary.
Assembly Information
- General information on control systems, relays, and micro switches.
- Guidelines provided on the motor drive replacements, including customer data required for documentation.
- Details regarding installation sites, ratings, and usage frequencies for different operational scenarios.
Motor Drive Specifications
- Motor specifications to be extracted from the nameplate, covering power supply types, operational voltage, and currents.
- Operational temperature ranges and specifications regarding environment adaptations like humidity and cold conditions are noted.
- Additional instructions on manual operation and turning resistance settings are included for maintenance nuances.
Conclusion
- Careful record-keeping of maintenance activities and replacement procedures is vital.
- Ensure all specifications and customer details are accurately documented for effective communication and operational safety.### Drive Shafts
- Dimensions for drive shaft stubs require accurate measurement for optimal functionality.
- Stub diameter at the bevel gear for the motor drive must be recorded.
- Stub diameter at the bevel gear for the upper gearbox stage also needs to be noted.
- Diameter at the introduction bearing or upper gearbox stage is crucial for maintenance checks.
- Length of the vertical shaft should be specified for mechanical alignment.
- Length of the horizontal shaft is necessary if applicable for the system design.
- Displacement measurements are to be documented in accompanying sketches.
Bevel Gear Condition
- Inspection notes on bevel gear condition should include signs of wear, rust, and whether replacement is necessary.
- Record observations in detail to inform future maintenance actions.
General Photography
- Capture images of the motor drive, shaft alignment, and transformer assemblies for reference in technical documentation.
Additional Notes
- Provide space in the technical documentation for sketches and sign-offs from responsible individuals.
- Adherence to DIN 34, Section 2.1, affirms rights reserved by the technical document creators.
Component Documentation
- Specific sections detail the housing, load gearbox, and motor assemblies.
- Includes information on the replacement of load gearboxes and drive motors.
Electrical Components
- Updates on the replacement of individual 5-pole micro-switches in stepper switch packages MA7/MA9 starting from March 2022.
- New plastic insulating sheets will replace older hard paper editions to improve insulation quality.
- Data tables compare old and new screw head diameters essential for the installation of micro-switches.
Insulating Plate Arrangement
- Visual aids illustrate the required quantities and arrangements of insulating plates for micro-switch installation.
- Detailed material lists are to be provided for components associated with micro-switches.
Potentiometer Coils and Timing Instructions
- Documentation includes guidelines for replacing potentiometer coils in MA9.
- Timing adjustment instructions for operational configurations of MA9 are detailed.
End Position Values
- End position values for various models (MA1 to MA9) are specified to ensure correct calibration of equipment.
- Additional equipment such as the positioning signal device for MA9 may be retrofitted.
Safety and Functionality
- Functional descriptions for safety equipment like the throughput protection device in MA9 ensure compliance with operational safety standards.
Introduction
- High risk of personal injury, damage, or malfunctions if tasks are performed by unqualified personnel or safety guidelines are ignored.
- The safety and operational instructions for the specific motor drive type must be followed.
- Complete review of the manual is required before beginning work.
- Familiarity with the MR training for maintenance on the motor drive type is necessary.
Parts List - Motor Drive MA 9
- Comprehensive parts list includes:
- Complete mechanical brake
- Limit switches (variants with different wiring)
- Step switch (micro switch)
- Springs, contact brushes, seals, and various lamp types, both incandescents and pilot lights.
- Key replacement criteria include changes in diameters for push buttons from 30mm to 22mm since November 2005.
- Inactive parts and variants are clearly indicated in the list.
Maintenance Procedure
- Maintenance inspections and parts replacement depend on operational wear and specified cycle intervals.
- Specific checks required every 150,000 switch operations.
- After 1.9 million operations, significant wear on the cam control was noted, necessitating checks and lubrication at intervals.
- Recommended replacement of cam control during step switch updates at 800,000 to 1 million switch operations.
Step-by-Step Instructions
- Acknowledgment of mandatory inspections and replacements, especially during maintenance.
- Inspection required at fixed intervals, including checks on governing components after significant operation milestones.
- Wear indicators on cam control must be monitored, and additional lubrication provided where necessary.
Assembly Information
- General information on control systems, relays, and micro switches.
- Guidelines provided on the motor drive replacements, including customer data required for documentation.
- Details regarding installation sites, ratings, and usage frequencies for different operational scenarios.
Motor Drive Specifications
- Motor specifications to be extracted from the nameplate, covering power supply types, operational voltage, and currents.
- Operational temperature ranges and specifications regarding environment adaptations like humidity and cold conditions are noted.
- Additional instructions on manual operation and turning resistance settings are included for maintenance nuances.
Conclusion
- Careful record-keeping of maintenance activities and replacement procedures is vital.
- Ensure all specifications and customer details are accurately documented for effective communication and operational safety.### Drive Shafts
- Dimensions for drive shaft stubs require accurate measurement for optimal functionality.
- Stub diameter at the bevel gear for the motor drive must be recorded.
- Stub diameter at the bevel gear for the upper gearbox stage also needs to be noted.
- Diameter at the introduction bearing or upper gearbox stage is crucial for maintenance checks.
- Length of the vertical shaft should be specified for mechanical alignment.
- Length of the horizontal shaft is necessary if applicable for the system design.
- Displacement measurements are to be documented in accompanying sketches.
Bevel Gear Condition
- Inspection notes on bevel gear condition should include signs of wear, rust, and whether replacement is necessary.
- Record observations in detail to inform future maintenance actions.
General Photography
- Capture images of the motor drive, shaft alignment, and transformer assemblies for reference in technical documentation.
Additional Notes
- Provide space in the technical documentation for sketches and sign-offs from responsible individuals.
- Adherence to DIN 34, Section 2.1, affirms rights reserved by the technical document creators.
Component Documentation
- Specific sections detail the housing, load gearbox, and motor assemblies.
- Includes information on the replacement of load gearboxes and drive motors.
Electrical Components
- Updates on the replacement of individual 5-pole micro-switches in stepper switch packages MA7/MA9 starting from March 2022.
- New plastic insulating sheets will replace older hard paper editions to improve insulation quality.
- Data tables compare old and new screw head diameters essential for the installation of micro-switches.
Insulating Plate Arrangement
- Visual aids illustrate the required quantities and arrangements of insulating plates for micro-switch installation.
- Detailed material lists are to be provided for components associated with micro-switches.
Potentiometer Coils and Timing Instructions
- Documentation includes guidelines for replacing potentiometer coils in MA9.
- Timing adjustment instructions for operational configurations of MA9 are detailed.
End Position Values
- End position values for various models (MA1 to MA9) are specified to ensure correct calibration of equipment.
- Additional equipment such as the positioning signal device for MA9 may be retrofitted.
Safety and Functionality
- Functional descriptions for safety equipment like the throughput protection device in MA9 ensure compliance with operational safety standards.
Introduction
- High risk of personal injury, damage, or malfunctions if tasks are performed by unqualified personnel or safety guidelines are ignored.
- The safety and operational instructions for the specific motor drive type must be followed.
- Complete review of the manual is required before beginning work.
- Familiarity with the MR training for maintenance on the motor drive type is necessary.
Parts List - Motor Drive MA 9
- Comprehensive parts list includes:
- Complete mechanical brake
- Limit switches (variants with different wiring)
- Step switch (micro switch)
- Springs, contact brushes, seals, and various lamp types, both incandescents and pilot lights.
- Key replacement criteria include changes in diameters for push buttons from 30mm to 22mm since November 2005.
- Inactive parts and variants are clearly indicated in the list.
Maintenance Procedure
- Maintenance inspections and parts replacement depend on operational wear and specified cycle intervals.
- Specific checks required every 150,000 switch operations.
- After 1.9 million operations, significant wear on the cam control was noted, necessitating checks and lubrication at intervals.
- Recommended replacement of cam control during step switch updates at 800,000 to 1 million switch operations.
Step-by-Step Instructions
- Acknowledgment of mandatory inspections and replacements, especially during maintenance.
- Inspection required at fixed intervals, including checks on governing components after significant operation milestones.
- Wear indicators on cam control must be monitored, and additional lubrication provided where necessary.
Assembly Information
- General information on control systems, relays, and micro switches.
- Guidelines provided on the motor drive replacements, including customer data required for documentation.
- Details regarding installation sites, ratings, and usage frequencies for different operational scenarios.
Motor Drive Specifications
- Motor specifications to be extracted from the nameplate, covering power supply types, operational voltage, and currents.
- Operational temperature ranges and specifications regarding environment adaptations like humidity and cold conditions are noted.
- Additional instructions on manual operation and turning resistance settings are included for maintenance nuances.
Conclusion
- Careful record-keeping of maintenance activities and replacement procedures is vital.
- Ensure all specifications and customer details are accurately documented for effective communication and operational safety.### Drive Shafts
- Dimensions for drive shaft stubs require accurate measurement for optimal functionality.
- Stub diameter at the bevel gear for the motor drive must be recorded.
- Stub diameter at the bevel gear for the upper gearbox stage also needs to be noted.
- Diameter at the introduction bearing or upper gearbox stage is crucial for maintenance checks.
- Length of the vertical shaft should be specified for mechanical alignment.
- Length of the horizontal shaft is necessary if applicable for the system design.
- Displacement measurements are to be documented in accompanying sketches.
Bevel Gear Condition
- Inspection notes on bevel gear condition should include signs of wear, rust, and whether replacement is necessary.
- Record observations in detail to inform future maintenance actions.
General Photography
- Capture images of the motor drive, shaft alignment, and transformer assemblies for reference in technical documentation.
Additional Notes
- Provide space in the technical documentation for sketches and sign-offs from responsible individuals.
- Adherence to DIN 34, Section 2.1, affirms rights reserved by the technical document creators.
Component Documentation
- Specific sections detail the housing, load gearbox, and motor assemblies.
- Includes information on the replacement of load gearboxes and drive motors.
Electrical Components
- Updates on the replacement of individual 5-pole micro-switches in stepper switch packages MA7/MA9 starting from March 2022.
- New plastic insulating sheets will replace older hard paper editions to improve insulation quality.
- Data tables compare old and new screw head diameters essential for the installation of micro-switches.
Insulating Plate Arrangement
- Visual aids illustrate the required quantities and arrangements of insulating plates for micro-switch installation.
- Detailed material lists are to be provided for components associated with micro-switches.
Potentiometer Coils and Timing Instructions
- Documentation includes guidelines for replacing potentiometer coils in MA9.
- Timing adjustment instructions for operational configurations of MA9 are detailed.
End Position Values
- End position values for various models (MA1 to MA9) are specified to ensure correct calibration of equipment.
- Additional equipment such as the positioning signal device for MA9 may be retrofitted.
Safety and Functionality
- Functional descriptions for safety equipment like the throughput protection device in MA9 ensure compliance with operational safety standards.
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This quiz covers the essential safety guidelines and precautions to be considered in various tasks. It emphasizes the importance of qualified personnel and the consequences of neglecting safety instructions. Prepare yourself to understand the critical aspects of workplace safety and risk management.
