JLG 24RS Service Manual - Manual (Page 66)

SECTION 3 - CHASSIS & TURNTABLE
3-28 – JLG Lift – 3121287
17. Install the motor control valve (32) onto the motor (31)
using bolts (21) and washers (22). Torque the bolts 18-20
ft-lbs. Ensure the holes in the motor control valve (32)
are aligned with holes in the motor (31).
18. Install the elbow fitting (30) into the brake housing (6).
Ensure the thread fitting o-ring seats onto the brake
housing (6). Rotate the elbow fitting (30) to horizontal
position as shown in picture.
19. Install the elbow fitting (30) into the motor valve (32).
Ensure the thread fitting o-ring seats onto the motor
valve (32). Rotate the elbow fitting (30) to the horizontal
position as shown in Figure 3-20..
20. Install the tube assembly (35) to elbow fittings as shown
in Figure 3-20.. Torque the tube assembly nut 13-15 ft-lb
(17.5-20.3 Nm). Tighten the jam nut on the elbow fitting
(30) 13-15 ft-lbs torque.
21. Install one o-ring plug (23) onto the motor control valve
(32). Torque 18-20 ft-lbs (24.5-27 Nm).
22. Install a hydraulic test fitting into the other control valve
o-ring plug (23) hydraulic port.
23. Perform a pressure decay test at "MAXIMUM PRESSURE".
Hold pressure for 1 minute. If pressure does decay,
remove the pressure and inspect connections and
retest.
24. Remove the hydraulic test fitting.
25. Install the o-ring plug (23) onto the motor control valve
(32). Torque 18-20 ft-lbs (24.5-27 Nm).
1P Pipe Plug
6 Brake Housing
21 Bolts
22 Lock Washer
23 O-ring/pipe Plug 30 Elbow
31 Motor
32 Counter Balance Valve
35 Hydraulic Tube Assembly
99 O-rings
Figure 3-20. Motor Control Valve