SECTION 2 - PROCEDURES
3120743
– JLG Lift –
2-33
Steer Relief.
1.
With pressure gauge at “G” port on 4640726 valve,
activate and bottom out Steer Left or Right.
2.
Adjust Steer Relief to 1100 (75.84 bar).
3.
Shut down hydraulic system and remove pressure
gauge.
Model 35/n35 electric.
Main Relief at Pump.
1.
Install pressure gauge at port “G” on 4640843 valve.
2.
Activate and bottom out either Upper or Lower Lift
Up. Adjust Main Relief to 2600 psi (179.27 bar).
Lift Down Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Upper Lift Down.
2.
Adjust Upper Lift Relief to 600 psi (41.37 bar).
Lower Lift Down Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Mid/Lower Lift Down.
2.
Adjust Lower Lift Relief to 600 psi (41.37 bar).
Swing Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Swing function in either
direction.
2.
Adjust Swing Relief to 1000 psi (68.95 bar).
Telescope In Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Telescope In.
2.
Adjust Telescope In Relief to 2150 psi (148.25 bar).
Platform Level Up Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Platform Level Up.
2.
Adjust Platform Level Up Relief to 2500 (172.37 bar).
Platform Level Down Relief.
1.
With pressure gauge at “G” port on 4640843 valve,
activate and bottom out Platform Level Down.
2.
Adjust Platform Level Down Relief to 1200 psi (82.74
bar).
Steer Relief.
1.
With pressure gauge at “G” port on 4640726 valve,
activate and bottom out Steer Left or Right.
2.
Adjust Steer Relief to 1500 psi (103.42 bar).
3.
Shut down hydraulic system and remove pressure
gauge.
Model 40/n40/45 electric.
Main Relief at Pump.
1.
Install pressure gauge at port “G” on 4640797 valve.
2.
Activate and bottom out either Upper or Lower Lift
Up. Adjust Main Relief to 3200 psi (220.64 bar).
Upper Lift Down Relief.
1.
With pressure gauge at “G” port on 4640797 valve,
activate and bottom out Upper Lift Down.
2.
Adjust Upper Lift Relief to 650 psi (44.82 bar).
Mid/Lower Lift Down Relief.
1.
With pressure gauge at “G” port on 4640797 valve,
activate and bottom out Mid/Lower Lift Down.
2.
Adjust Mid/Lower Lift Relief to 1700 psi (117.21 bar).
Swing Relief.
1.
With pressure gauge at “G” port on 4640797 valve,
activate and bottom out Swing function in either
direction.
2.
Adjust Swing Relief to 1000 psi (68.95 bar).
Telescope In Relief.
1.
With pressure gauge at “G” port on 4640797 valve,
activate and bottom out Telescope In.
2.
Adjust Telescope In Relief to 2150 psi (148.25 bar).
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