Check And Adjust Auxiliary Hydraulic
Pressure
1. Stand on operators platform and start engine.
2. Allow hydraulic uid to warm up.
3. Increase engine RPM to operating speed.
4. Move joystick to rollback position and observe
auxiliary hydraulic pressure on instrument panel
gauge. Pressure should be approximately
3000 psi (207 bar).
5. If pressure is low, verify hydraulic uid is at
proper level in tank. If uid is at proper level,
adjust auxiliary hydraulic pressure using the
following procedure.
6. Loosen knobs (A) and pivot hydraulic oil cooler
upward. Engage pin to hold cooler in open
position.
A
A
7. Remove access cover on rear of engine
compartment and loosen jam nut (B) on boom
valve with 17 mm wrench.
B
8. Insert 5 mm hex wrench down through access
hole (C) on control panel and into hex screw
on boom valve.
C
9. Hold locknut (B) with wrench and rotate hex
adjustment screw 1/4 turn counter clockwise.
Tighten locknut (B), install access cover, close
oil cooler, start engine and test operation.
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