JLG 450AJ ANSI Service Manual User Manual
Page 122
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SECTION 3 - TROUBLESHOOTING
3-14
– JLG Lift –
3120749
Machine wanders; steering not firm.
Crossover relief valve set too low or not function-
ing properly.
Reset, repair or replace valve as required.
Steer linkages loose.
Tighten linkage.
Steer wheel toe-in not set properly.
Adjust toe-in for 1/4 inch overall.
Spindle bushings badly worn.
Replace bushings.
Table 3-4.Chassis Assembly - Troubleshooting
TROUBLE
PROBABLE CAUSE
REMEDY
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