Caster Wheels Not Operating Freely; Pot Hole Protection (Php) Bars Will Not Set; Base Frame Components Troubleshooting - JLG 10VP Service And Maintenance Manual

SECTION 3 - TROUBLESHOOTING

3.11 BASE FRAME COMPONENTS TROUBLESHOOTING

Caster Wheels Not Operating Freely

Check For These Obvious Conditions First:
• Is machine operating on a smooth, level surface?
STEP
Is the caster rotating freely?
1.
Is the wheel spinning freely?
2.
Is debris stuck in the plastic wheel?
3.

Pot Hole Protection (PHP) Bars Will Not Set

Check For These Obvious Conditions First:
• Obstruction under pot hole bar on either side of machine.
• Obstruction around the actuator assembly at the base of the mast.
STEP
1. Check the actuator cables for adjustment or damage.
Check the PHP limit switch(s) at both sides of the machine for dam-
2.
age, adjustment and for continuity through switch to ground when
bars are down.
3-42
Table 3-32. Caster Wheels Not Operating Freely.
ACTION
Table 3-33. Pot Hole Protection (PHP) Bars Will Not Set.
ACTION
SPEC
—
—
—
SPEC
—
—
– JLG Lift –
YES NO
Lubricate or
Go to Step 2 Replace Caster
Housing
Lubricate or
Go toStep 3
Replace Wheel
Remove Debris or
—
Replace Wheel
YES NO
Adjust or Replace Go to Step 2
Replace, Adjust
—
or Repair Wiring
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