Questions and Answers
What is the primary function of the ON-LOAD TAP-CHANGER TYPE DA?
Which company is associated with the production of the ON-LOAD TAP-CHANGER TYPE DA?
What primary location is mentioned in relation to Maschinenfabrik Reinhausen?
What type of document is referenced in the content provided?
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What is the phone number provided for Maschinenfabrik Reinhausen's location in Regensburg?
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What type of services does the PDF appear to provide?
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What is the size of the vent screw used in the tap-changer head cover?
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Which component must be operated to drain oil from the tap-changer head?
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What should be checked to confirm that the energy accumulator is free from oil?
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What type of filter operation is referenced in the procedure?
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What is the first step in the oil drainage process according to the procedure?
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What tool is suggested for opening the vent screw of the tap-changer head cover?
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What is the first step in handling the energy accumulator spring according to the instructions?
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What component must be removed before withdrawing the spring unit of the energy accumulator?
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What type of screws are specified for loosening before removing components?
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Which of the following components is NOT mentioned in the context of the energy accumulator?
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What is indicated by 'DIN 34, Abschnitt 2.1' in the document?
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What should be done after loosening the ten countersunk head screws?
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What is the significance of the instruction dated '09.12.80'?
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Which aspect of the energy accumulator is not described in the instructions?
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What is the significance of the sequence 'M H D 134' in the context?
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Which term best describes the structure depicted in the content?
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What could 'Co m a y' potentially represent in the given context?
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Identify the nature of the sequences 'SER' and 'TTR' in the context provided.
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What role do the scattered letters and symbols play in this content?
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What can be inferred about the overall organization of the content?
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How does the numerical '11' fit within the structure presented?
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Which of the following could represent a primary theme in the content?
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What purpose does the indication of numbers on the support and guiding plate serve?
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Which document format is referenced in the content for maintaining rights?
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What is the primary focus of the inspection instructions mentioned in the document?
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When was the version of the document specified in the content published?
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What type of tap-changer is specifically referenced in the document?
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What might be a consequence of failing to note the numbers indicated on the support and guiding plate?
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The spark gap distance is 5 mm.
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Permanent main contacts should be replaced after every 300,000 switching operations.
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The state of braids, compression springs, and contact rollers is not important.
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Control of resistors and hard paper parts should be done using visual inspection.
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The clearance of the contact roller is considered acceptable at about 2 mm.
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The document specifies that sliding output contacts should be checked for condition.
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The maximum admissible radial clearance between the roller bolt and the roller is $0.6$ mm.
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The text states that the spark gap distance must be greater than 4 mm.
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Energy accumulator springs should be replaced after every $50,000$ switching operations.
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Replacement of components should occur immediately after the first 300 operations.
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Shock absorbers must be inspected after every $200,000$ hours of operation.
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The content mentions a type of device known as an On-Load Tap-Changer Type BR.
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The clearance between the slide square bolt and the slide square is a critical measurement that requires checking.
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All rights related to the technical document are retained as per DIN 34, Abschnitt 2.2.
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Inspection instructions specified in the document are dated 09.12.90.
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The document includes details regarding the maintenance of shock absorbers.
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The Geneva cam wheel must be installed without any sliding disks between it and the bush.
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Fixing screws of the gear plate must be securely fastened during the mounting process.
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The mounting of the gear plate is performed in the same order as disassembly.
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The 'ON-LOAD TAP-CHANGER TYPE DA' is associated with the company Maschinenfabrik Reinhausen.
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The document allows for the retention of all rights according to 'DIN 34, Abschnitt 2.1'.
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The diverters switch insert should be exposed to air for a maximum of ten hours.
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There are no specific instructions given for the inspection of the gear plate and coupling bolts.
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When disassembling the gear plate, no marks or notes should be made regarding the assembly position.
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A socket wrench size 12 is included among the tools listed.
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It is unnecessary to note the installation sequence when handling the gear plate.
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An Allan key size 4 is considered an alternative tool in the list.
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The inspection work should be carried out with cleanliness and care.
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Locking pincers are listed as a necessary tool for the procedure.
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The document provides instructions for handling an energy transformer.
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A circlip pincers A1 is necessary for completing the inspection work.
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Cleanliness is emphasized as optional during the inspection work.
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The size of the socket wrench mentioned includes sizes from 5 to 19.
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One of the tools listed is a screw driver.
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The supporting cylinder must be installed in a horizontal and eccentric position.
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Lock washers are used to secure the bolting connection of the separating flanges.
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The reference marks on the coupling tubes correspond to the switch handles.
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Energy accumulator position should be noted prior to mounting the supporting cylinder.
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The mounting of the supporting cylinder occurs before the coupling of the divertor switches.
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Fitting bolt hole position is irrelevant when mounting the supporting cylinder with insert head.
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The supporting cylinder should be mounted with an insert head attached.
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Both divertor switches must be coupled in the forward order.
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Study Notes
Company Information
- Maschinenfabrik Reinhausen is based in Regensburg, Germany.
- Contact includes a telephone number (0941 440-1) and telex number (65881).
- Affiliated with Gebriider Scheubeck GmbH & Co. KG.
Product Overview
- The document details inspection instructions for the On-Load Tap-Changer Type DA.
- Covers techniques for maintaining and ensuring the operational efficiency of tap-changer mechanisms.
Inspection Process
- Open the vent screw on the tap-changer head cover to facilitate inspection.
- Drain valve usage is crucial; oil should be drained until the energy accumulator is devoid of oil.
- Inspection can be aided by looking through an inspection window on the tap-changer head cover.
Maintenance Instructions
- After performing maintenance, ensure the holding pawl is secured and the fixing screw (M RD 135) is tight.
- For the energy accumulator spring:
- Loosen ten countersunk head screws (M5x10) and remove guiding rails.
- Withdraw the spring unit of the energy accumulator for inspection and replacement if necessary.
Safety and Compliance
- Rights regarding technical documents are reserved according to DIN 34, Section 2.1.
- Precautions are highlighted to prevent the interchanging of contact systems; numbers are indicated on support and guiding plates for identification.
Technical Details
- Document includes specific figures (e.g., fig. 19 & fig. 20) for visual guidance on maintenance procedures.
- Clear emphasis on meticulous adherence to detailed maintenance steps to ensure safety and functionality of equipment.
Inspection Guidelines
- Cleanliness and care are crucial during inspection work to ensure safety and efficiency.
- Diversion switches should not be exposed to air for longer than ten hours to prevent damage.
Tools Required
- Various socket and open-jaw wrenches are needed, including sizes 19, 17, 13, 10, 9, and 8.
- Allan keys are essential, specifically size 5 and 4, for certain components.
- A screwdriver, circlip pincers, locking pincers, and specific operating keys (for switch spindle and energy accumulator) are included in the toolkit.
- Additionally, two cocking hooks are part of the tool requirements.
Spare Parts Maintenance
- Regular inspections and replacements of shock absorber springs are necessary after every 100,000 switching operations.
- The energy accumulator spring also requires replacement after the same number of operations for optimal performance.
- Replacement of permanent main contacts is advised after 300,000 operations or if contact roller clearance reaches about 1 mm.
Gear Plate Installation
- When mounting the gear plate, installation must follow the reverse order of disassembly.
- The Geneva cam wheel should be installed carefully with sliding disks positioned between them for smooth operation.
- Secure fixing screws of the gear plate and coupling bolts without fail.
Control Work Procedures
- The state of the support cylinder and switch crank tube should be visually inspected using a hard paper template.
- Radial clearance measurement between roller bolt and roller must not exceed 0.6 mm for proper function.
Coupling and Mounting
- Coupling of the three diverter switches should follow the reverse order of disassembly, ensuring reference marks are used accurately for alignment.
- When mounting the supporting cylinder with the insert head, ensure it is positioned vertically and concentrically for correct functioning.
- Secure both separating flanges and bolting connections with lock washers to avoid loosening during operation.
Visual Inspections
- Carry out visual inspections of resistors and hard paper components to assess their condition.
- Regular check of the state of bristles, compression springs, and contact rollers is essential for long-term reliability.
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Description
This quiz covers the essential information about Maschinenfabrik Reinhausen, a significant company in Germany's engineering sector. It includes insights into its historical background, services offered, and its role in industrial machinery manufacturing.