B
BRAKES
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
45
Repair and Service Manual
653045
FAULT TESTING TABLE
Refer to the following fault diagnosis table only after the
thorough visual inspection, Daily Brake Performance Test
has been performed (Figure 6).
Condition
Possible Cause
Correction
Fails Brake Performance Test by stop-
ping in a longer distance than normal
Wheel brake failure due to severely worn
or damaged components
Replace all severely worn or damaged com-
ponents
Brake pedal not returning
Brake not adjusting
Check for binding of brake pedal
Check brake pedal free travel
Check brake cables
Check brake adjusters
Check pedal pivot
Brake shoes wet
Check again when shoes are dry
Brake cables damaged or sticky
Check brake cable and replace if sticky or
damaged
Brake shoes severely worn
Replace
Brake shoes glazed
Sand shoes with emery cloth provided that
shoes have .06" (1.5 mm) min. material
System not adjusted properly
Check and adjust per manual
End of brake cable loose from anchor
brackets
Check and repair
Cracked brake drum
Replace
In excess of 1-1/8" (2.9 cm) free pedal
travel (Soft Pedal)
Low pedal force at parking brake latch
Adjust per manual
Brake cables damaged
Replace
Brake return bumper out of adjustment Adjust per manual
End of brake cable loose from anchor
brackets
Check and repair
Wheel brake failure due to severely worn
or damaged components
Replace all severely worn or damaged com-
ponents
System not adjusted properly
Adjust per manual
Less than 7/8" (2.2 cm) free pedal trav-
el (Hard Pedal)
High pedal force at parking brake latch Adjust per manual
Brake cables damaged or sticky
Check brake cable and replace if sticky or
damaged
System not adjusted properly
Check and adjust per manual
Wheel brake failure due to severely worn
or damaged components
Replace all severely worn or damaged com-
ponents
Neither wheel locks when parking
brake is latched. (Note: At full speed
the wheels may not lock, but should
brake aggressively).
Incorrect compensator spring adjustmentReturn to factory specification
Excessive brake pedal free travel
Adjust per manual
Unequal braking (one wheel locks
while other rotates)
Wheel not locking is not adjusting
Check brake operation of wheel that is
not
locking
Sticky/dragging cable
Check for brake lever return
Check that brake levers return at equal
rate - (Indication of dragging cable)
Cracked brake drum
Replace
Brake shoes wet or glazed
Check again when shoes are dry
Rusted or sticky brake pivot hardware
Replace
Neither wheel locks
Brake system requires complete
adjustment
Adjust entire system
Brake pedal not returning
Check for binding of brake pedal
Check brake pedal free travel
Figure 6 Fault Testing Table
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