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REXROTH HAB Assembly And Repair Instructions
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REXROTH HAB Assembly And Repair Instructions

REXROTH HAB Assembly And Repair Instructions

Bladder-type accumulator
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Assembly and repair instructions
Bladder-type accumulator, model HAB
Contents
Contents
malfunctions and their causes
Assembly and disassembly
Information on available service parts:
www.boschrexroth.com/spc
Page
2
2 and 3
3
4 to 6
7
7 to 10
10
11 and 12
RE 50140-R/05.05
HAD 7254_04
1/12

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Summary of Contents for REXROTH HAB

  • Page 1: Table Of Contents

    RE 50140-R/05.05 1/12 Assembly and repair instructions Bladder-type accumulator, model HAB HAD 7254_04 Contents Contents Page Product list Possible damage, malfunctions and their causes 2 and 3 Initial startup Assembly and disassembly 4 to 6 Cleaning and testing Assembly of accumulator...

  • Page 2: Product List

    2/12 Bosch Rexroth AG Bosch Rexroth AG Assembly and repair instructions RE 50140-R/05.05 Product list Volumes [l] 0 531 012 730 0 531 013 730 0 531 014 730 0 531 015 770 0 531 015 771 0 531 016 730...

  • Page 3: Initial Startup

    - Tighten sealing cap screw. - Periodically monitor preload pressure Use BOSCH REXROTH inflation and testing device to check inflation pressure at initial startup. Repeat this test during first week of operation, and thereafter every 6 months under normal operation or monthly if operation is intensive.
  • Page 4 4/12 Bosch Rexroth AG Bosch Rexroth AG Assembly and repair instructions RE 50140-R/05.05 Disassembly and assembly Fig. 1 Detach accumulator from system and de-pressurize with aid of accumulator safety block (drain tap) or hydraulic circuit. Dismantle accumulator and locate horizontally in vise or a suitable fastening system.
  • Page 5 Bosch Rexroth AG Bosch Rexroth AG 5/12 RE 50140-R/05.05 Assembly and repair instructions Disassembly and assembly Fig. 5 Undo fastening nut on gas valve and remove type label Fig. 6 Undo slotted round nut for hook wrench using hook wrench Fig.
  • Page 6 6/12 Bosch Rexroth AG Bosch Rexroth AG Assembly and repair instructions RE 50140-R/05.05 Disassembly and assembly Fig. 9 Remove sealing ring and washer Fig. 10 Remove retaining ring, take it out, by carefully pushing ring together Fig. 11 Remove oil valve from container Fig.

  • Page 7: Cleaning And Testing

    Bosch Rexroth AG Bosch Rexroth AG 7/12 RE 50140-R/05.05 Assembly and repair instructions Cleaning and testing − Clean all metallic parts on accumulator using an organic reducer. − Visual inspection of oil valve parts (valve tappet, spring, nut, damping screw).
  • Page 8 8/12 Bosch Rexroth AG Bosch Rexroth AG Assembly and repair instructions RE 50140-R/05.05 Assembly of accumulator Charge accumulator with medium. Up to 4l accumulator approx. 10 % of volume; for larger accumulators approx. 5% of volume. Lubricate bladder and carefully insert into housing. When inserting the housing do so at a slight angle;...
  • Page 9 Bosch Rexroth AG Bosch Rexroth AG 9/12 RE 50140-R/05.05 Assembly and repair instructions Assembly of accumulator Fig. 16 Screw on slotted nut and center the parts on the oil valve using a plastic hammer Fig. 17 Bleeder screw with sealing ring Fig.

  • Page 10: Storage

    10/12 Bosch Rexroth AG Bosch Rexroth AG Assembly and repair instructions RE 50140-R/05.05 Assembly of accumulator Without illustration: Dip new gas oil valve into oil and screw in. Before charging the accumulator with nitrogen, you must first rotate it through its axis so that the entire interior surface of the container is wetted.

  • Page 11: List Of Service Parts And Exploded View

    Bosch Rexroth AG Bosch Rexroth AG 11/12 RE 50140-R/05.05 Assembly and repair instructions List of service parts and exploded view 1. Bladder 1. 1 with gas valve 1.2 and sealings for oil valve 1.3 Vol. [l] Nitril (NBR) 1 535 490 124...
  • Page 12 Exploded view and list of service parts 1.3* * only for 10...50l Bosch Rexroth AG © All rights reserved by Bosch Rexroth AG, also for the event of Hydraulics registration of industrial property rights. All powers of disposition, such as Zum Eisengiesser 1 reproduction and forwarding rights with us.