Page 214
December 2007
Telescopic Boom Series
Models SJ61T & SJ66T
194312
Section 5 - Procedures
Service and Maintenance
5.8-3 Hydraulic High Pressure
Adjustment
1.
Locate GP2 port on main manifold and
remove the cap.
Pressure Gauge
Cap
GP2 Port
Main Manifold
Main Manifold and Pressure Gauge
2.
Connect a pressure gauge (5000 psi) to the
GP2 port.
WARNING
Do not activate any controls during
procedure to protect gauge.
3.
Start the engine from the base control
console and let it run for 2-5 minutes.
4.
Steer fully to one direction and then check
the reading on the gauge. Standard pressure
should be 3050 psi. Follow the next steps for
adjusting pressure if needed.
5. Locate the pressure compensator on the
system pump.
System Pump
Pressure
compensator
6.
Loosen the lock nut.
7.
Adjust the system pump pressure by turning
adjusting stem either clockwise to increase
pressure or counterclockwise to decrease
pressure.
8.
Tighten the lock nut after pressure is set to
3050 psi.
9. Turn engine off.
10.
Remove the pressure gauge from the GP2
port and cap the port.
Summary of Contents for SJ61T
Page 1: ...TELESCOPIC BOOMS MODELS SJ61T SJ66T 194312AE February 2017 SERVICE MANUAL...
Page 42: ...Page 42 December 2007 Telescopic Boom Series Models SJ61T SJ66T 194312 Notes...
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