JLG 45e ANSI Service Manual - Manual (Page 88)

SECTION 3 - TROUBLESHOOTING
3-12 – JLG Lift – 3120743
Machine will not steer left or right.
Wiring on control switch is damaged. See proper wiring diagram.
Wiring on solenoid valve damaged. Repair or replace wiring.
Coil in solenoid valve damaged. Replace coil.
No oil flow or pressure to steer circuit. Take pressure reading at steer valve and adjust
as necessary.
Bent cylinder rod. Repair or replace cylinder.
C rossover relief valve sticking. Repair crossover relief valve.
Damaged tie rod. Replace tie rod.
Cylinder packing defective. Repair or replace cylinder.
Table 3-4.Chassis Assembly - Troubleshooting