Service Manual User guide

SECTION 4 - HYDRAULICS
3121322 – JLG Lift – 4-15
4.5 VALVES
Valve Compartment
Pressure Switch, Drive Enable
1. Pressure Switch, Drive Enable & Brake Valve
2. Main Valve Block
3. Steering Valve
4. Drive Valve
5. Hand Pump
6. Pressure Manifold
Figure 4-29. Valve/Hydraulic Compartment
Figure 4-30. Pressure Switch Adjustment
• Operate the lower function to retract the
jacks and adjust the switch (screw on the
top of the switch) to trip at 2683 psi
(185 bar)