OEC 9800C-Arm, Service Manual

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Steering and Braking
Problem Possible Cause Solution
Axle parts require lubrication. Inspect and lubricate as necessary.
Worn or damaged front
caster tread Careless or heavy use; damage from workplace
hazard. Replace caster and advise customer of
any workplace hazards you discover.
Worn caster bearing Replace caster. Front caster binds or
wobbles on axle bolt.
Worn caster axle bolt. Replace caster's axle bolt.
Caster contaminated by debris. Inspect and correct as necessary.
Caster's bearing is dry. Replace caster.
Rear caster does not roll
freely on the floor.
Caster's axle bolt is worn or bent. Replace caster's axle bolt.
Damaged steering chain or worn steering sprocket. Inspect and replace damaged parts as
necessary.
Steering chain or steering sprocket contaminated
with debris. Inspect and clean as necessary.
Rear caster does not steer
freely.
Steering chain or steering sprocket requires
lubrication. Inspect and lubricate as necessary
Worn or damaged rear
caster tread Careless or heavy use; damage from workplace
hazard. Replace caster and advise customer of
any workplace hazards you discover.
Loose or broken roller cam or attaching hardware. Inspect and tighten or replace if
necessary. Brakes on one or both rear
wheels do not engage.
One or both brakes out of adjustment. Perform adjustment as described in
following paragraph.
Brakes do not release. Damaged or loose brake part Inspect and repair or replace brake part if
necessary.
Balance wheel is contaminated with debris. Inspect and clean as necessary. Balance wheel does not turn.
Balance wheel bearing is dry or damaged. Replace balance wheel.
9
Service Periodic Maintenance Contents Schematics Illustrated Parts Installation