Steering and Braking
Brakes
1. Step on either brake pedal, tilting it forward or backwards.
2. Verify that both rear wheels lock.
3. Step on either brake pedal, placing it in a level position.
4. Verify that brakes release and that both rear casters roll and steer freely.
Balance Wheel
Note: You need to get a clear look at both sides of the Balance Wheel when performing the following tests. If necessary, use a
flashlight or some other light source.
1. Check the tread and both sides of the balance wheel for damage and other problems. Look for embedded debris, cuts,
contamination, and excessive wear.
2. Verify that the balance wheel rotates smoothly and does not wobble or bind on the axle.
Fault Isolation
Note: Refer to Replacement chapter for instructions on how to replace suspension and steering parts.
Problem Possible Cause Solution
Caster that contacts floor is loosely mounted. Inspect both casters and secure any loose
mounting hardware.
One front caster does not
contact the floor
Caster that does not contact floor is bent or broken. Inspect and replace as necessary.
Damaged axle parts. Replace damaged axle parts. Front caster does not pivot
freely on vertical axis
Axle parts are contaminated by debris. Inspect and correct as necessary.
8
Service
Periodic Maintenance
Contents
Schematics
Illustrated Parts
Installation
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