Skyjack SJ61T - Hydraulic Standby Pressure Adjustment

Telescopic Boom Series
Models SJ61T & SJ66T
194312
December 2007 Page 213
Section 5 - Procedures Service and Maintenance
5.8-2 Hydraulic Standby Pressure
Adjustment
1. Locate the GP2 port on either the top or
bottom of the main manifold and remove
the cap.
Pressure Gauge
Cap
GP2 Port
Main Manifold
Main Manifold and Pressure Gauge
2. Connect a pressure gauge (600 psi) to the
GP2 port.
3. Start the engine from the base control
console and let it run for 2-5 minutes.
4. Check the reading on the gauge (standard
pressure should be 330 psi) and follow the
next steps for adjusting pressure if needed.
5. Locate the load sense compensator on the
system pump.
System Pump
Load sense
compensator
6. Loosen the lock nut.
7. Adjust the load sensing 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
330 psi.
9. Turn the engine off.
10. Remove the pressure gauge from the GP2
port and cap the port.