R7.4 emoval of a mechanical detent system B2,
C2, D2 or E2
Tongue side: see § 7.2
Cover side
Unscrew the 2 mounting screws (4 mm socket wrench).
Remove the cover.
Remove the spool from the working section.
CAUTION
TO REMOVE THE SPOOL, DO NOT PULL ON THE LOCKING SLEEVE
IN ORDER TO AVOID LOOSING THE BALLS.
Use the spool clamp (Rexroth-Ref. R9 08 103 001) and a vuce to
secure the spool.
CAUTION
IN ORDER TO AVOID DAMAGING THE SPOOL, PLACE IT
APPROXIMATELY 30 MM FROM THE END OF THE SPOOL (NEVER IN
THE CENTRE).
The control block does not need to be removed from the machine to
perform this operation.
DANGER
Oil pressure
Machine off:
place all of the machine’s actuators connected to the control block in f
neutral position,
release stored pressure by operating all the spools. f
NOTICE
Environment damages risk
Install a vacuum pump on the tank to limit oil leakage during this f
operation.
Collect possible leaks with a suitable receptacle. f
22/30 Bosch Rexroth AG Type SM 12 | RE 64122-S/06.2011
Distribution element repair procedure
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