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Section 5 – Procedures
5.8-3 Hydraulic High Pressure
Adjustment
1. Locate the GP1 port
and remove the cap.
2. Connect a pressure gauge (345 bar / 5000 psi)
to the GP1 port.
WARNING
To protect the gauge, do not activate any controls
during this procedure.
3. Start the engine from the base control console
and let it run for 2-5 minutes.
4. Without driving, steer fully to one direction and
then check the reading on the gauge. Standard
pressure should be 210 bar (3050 psi). Follow
the next steps for adjusting the pressure, if
needed.
229044ADA
196
on the main manifold
1
1
5. Locate the pressure compensator
system pump.
3
6. Loosen the lock nut.
7. Adjust the system pump pressure by turning
the adjusting stem either clockwise to increase
pressure or counterclockwise to decrease
pressure.
8. Tighten the lock nut after pressure is set to 210
bar (3050 psi).
9. Turn the engine off.
10. Remove the pressure gauge from the GP1port
and cap the port.
Manifolds and Hydraulic Pumps
on the
3
SJ85 AJ
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