JLG 80SL, Service Maintenance Manual

Page: 98 / 162

SECTION 4 - HYDRAULICS
4-18 – JLG Lift – 3121325
Brake Valve
Brake Valve Adjustment:
1
2
VALVE SCHEMATIC
A
P
T
Figure 4-34. Brake Valve
1. Torque to 5 ft lbs (6.8 Nm)
2. Torque to 20 ft lbs (27.1 Nm)
• Operating Pressure: 3000 psi (207 bar)
• Voltage: 24VDC
Figure 4-35. Brake Valve Adjustment
• To achieve smooth deceleration when
the joystick is returned quickly from the
max forward or backward position to the
neutral position, completely close the
valve knob (shown to the left) then open
the knob 1/2 of a revolution.