JLG 110HX ANSI Service Manual - Manual (Page 129)

SECTION 3 - TROUBLESHOOTING
3120636 – JLG Lift – 3-9
Switch not functioning properly or improperly
adjusted. Adjust, repair, or replace horizontal limit switch.
Excessive load on engine. Reduce load.
Engine worn badly. Rebuild engine.
Engine improperly timed. Time engine.
Engine overheating. Determine cause of overheating and remedy.
Dirty fuel filter. Replace filter.
Fuel line pinched. Replace fuel line.
Throttle governor not working properly. Repair or replace governor.
Engine surges.
Governor not adjusted properly. Correctly adjust governor.
Strong fuel odor.
Fuel tank overfilled. Check fuel tank and immediately wipe up spilled
fuel.
Fuel tank damaged. Drain all fuel from tank and remove tank for
replacement or repair.
Fuel line from tank damaged. Replace fuel line.
Carburetor flooding. Repair, replace or adjust carburetor.
FRONT FRAME AXLE AREA.
One or both wheels will not steer.
Steering link or tie rod broken or attaching hard-
ware missing. Replace steering link, tie rod or hardware as nec-
essary.
One or both front wheels will not rotate or
rotate erratically.
Wheel hub or bearings damaged or not lubri-
cated. Replace hub or bearings as necessary and
repack bearings with approved grease.
Hub attachment nut loose or missing. Secure or replace hub attachment nut and cotter
pin as necessary.
One or both front wheels will not rotate or
rotate erratically.
Air in oscillating axle hydraulic system. See bleeding procedure in Section 2.
Cam valve stuck or leaking. Repair or replace cam valve
Lockout cylinder leaking. Repair or replace cylinder.
Table 3-4. Chassis Assembly - Troubleshooting
TROUBLE PROBABLE CAUSE REMEDY