JLG G12-55A Service Manual - Manual (Page 122)

Hydraulic System
8-6 G10-55A, G12-55A
21. If the pressure requires adjustment and if the
machine is equipped with a Rexroth main control
valve, adjust the relief on the (B) port and repeat
steps 17 and 18.
If the machine is equipped with a Husco main control
valve, the relief on the (B) port is non-adjustable and
must be replaced. Replace and repeat steps 17 and
18.
22. Verify pressure is correct.
23. Shut engine OFF.
24. Slowly remove the gauge, line and tee fitting from
the compensation cylinder (1 & 2). Reinstall each
hose and torque as required.
25. Install any previously removed attachment.
MY4490
B
HUSCO REXROTH
B
FRONT OF MACHINE