JLG E45A_AJ Service Manual - Manual (Page 58)

SECTION 2 - PROCEDURES
2-42 – JLG Lift – 3120884
Platform Level Up Relief
1. With pressure gauge at “G” port on main valve, acti-
vate and bottom out Platform Level Up.
2. Adjust Platform Level Up Relief to value in the Pres-
sure Settings chart.
Platform Level Down Relief
1. With pressure gauge at “G” port on main valve, acti-
vate and bottom out Platform Level Down.
2. Adjust Platform Level Down Relief to value in the
Pressure Settings chart.
Steer Relief
1. With pressure gauge at “G” port on steer/brake
valve, activate and bottom out Steer Left or Right.
2. Adjust Steer Relief to value in the Pressure Settings
chart.
3. Shut down hydraulic system and remove pressure
gauge.
Table 2-4.Pressure Settings
Function PSI Bar
Main Valve
Upper Lift Down Relief 550 38
Mid/Lower Lift Down Relief 1700 117
Telescope In Relief 2150 148
Platform Level Up Relief 2500 172
Platform Level Down Relief 1200 83
Brake/Steer Valve
Steer Relief 2300 159
Main Relief 3200 221
Jib Valve
Jib Relief (Up and Down) 1500 103
Figure 2-42. Jib Valve Location