Service Manual User guide

SECTION 4 - HYDRAULICS
4-22 – JLG Lift – 3121322
Lift/Lower Valve Block
B
S
VALVE SCHEMATIC
Figure 4-40. Hand Pump Schematic
Lift Cylinder
Lift/Lower
Valve Block
Diagnostic
Te s t Por t
Solenoid
Valves
1
2
Figure 4-41. Lift/Lower Valve Block
Solenoid Valves (Qty. 2)
1. Torque to 5 ft lbs (6.8 Nm)
2. Torque to 20 ft lbs (27.1 Nm)
• Operating Pressure: 5000 psi (345 bar)
Diagnostic Test Port
• Pressure Rating: 9137 psi (630 bar)