Distribution element repair 7
procedure
Secondary valves replacement7.1
Relief valve A, B, H or anti-cavitation check valve E
On the distribution element in question, unscrew the secondary valve
(24 mm open end spanner).
Replace the 3 seals or replace the pressure relief valve.
Reassembly:
if necessary, set the pressure relief valve to the specified value,1.
install the secondary pressure relief valve on the distribution element,2.
torque for the secondary valve: 70 ± 10% N.m.3.
relief valve: fit a new appropriate locking cover.4.
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
16/30 Bosch Rexroth AG Type SM 12 | RE 64122-S/06.2011
Distribution element repair procedure
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