Service Manual User guide

SECTION 4 - HYDRAULICS
4-16 – JLG Lift – 3121322
Brake Valve
Brake Valve Adjustment:
1
2
VALVE SCHEMATIC
A
T
P
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 4-31. Brake Valve
Figure 4-32. Brake Valve Adjustment
To achieve smooth deceleration
when the joystick is returned quickly
from the max forward or backward
position to the neutral position, com-
pletely close the valve knob (shown
to the left) then open the knob 1/2 of
a revolution.