Removal of the outlet element type KW 6.3
adjustable flow control
Cartridge removal
On the outlet element, unscrew the cartridge (27 mm open end spanner).
Reassembly:
replace the throttle o-ring and thrust ring,1.
replace the cartridge o-ring,2.
mount the cartridge inside the outlet element, torque for the cartridge : 3.
70 ± 10% N.m.
Flow setting
Loosen the locking nut (18 mm open end spanner).
Calibrate the flow unscrewing in reverse direction the throttle (6 mm socket
wrench).
Torque for the locking nut : 50 ± 10% N.m.
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
12/30 Bosch Rexroth AG Type SM 12 | RE 64122-S/06.2011
Inlet and outlet elements repair procedure
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