Removal of a manual operation with 7.6
encapsulated lever R5
Rubber boot replacement
Loosen the locking nut (17 mm open end spanner).
Unscrew the lever.
Remove and replace the defective rubber boot.
Reassembly:
reassemble parts in reverse order.1.
torque for the locking nut : 40 ± 10% N.m.2.
Removal of the complet operation
Remove the 4 mounting screws (4 mm socket wrench).
Pull on the lever and slightly lift the operator to remove the assembly.
Remove the flange.
Reassembly:
replace the o-ring and the wiper ring,1.
CAUTION
POSITION THE LIP PART OF THE WIPER RING ON THE OUTSIDE.
SEALS MUST BE FITTED ON THE END OF THE SPOOL SO THAT
THEY ARE NOT DAMAGED ON THE SPOOL GROOVES AND THEIR
TIGHTNESS PROPERTY DOES NOT DETERIORATE.
reassemble parts in reverse order.2.
torque for the 4 mounting screws : 5 ± 10% N.m.3.
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
26/30 Bosch Rexroth AG Type SM 12 | RE 64122-S/06.2011
Distribution element repair procedure
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