MECHANICAL BRAKES
Page M-7
Repair and Service Manual
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notices, Cautions, Warnings and Dangers.
Neither wheel locks when park brake
is latched. (Note: At full speed the
wheels may not lock, but should brake
aggressively).
Incorrect compensator spring adjust-
ment
Return 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
Grabbing brakes (oversensitive)
Moisture has caused surface rust on
drums
Apply moderate force to pedal while at
maximum level ground speed to remove
rust until condition is relieved.
Brake Pivot binding
Check and replace poor components
Parking brake hard to latch
Inadequate free play
Adjust pedal free travel at spherical nut
and check that wheel brake actuators
are returning fully
Sticky/dragging cable
Check for brake lever return
Check that brake levers return at equal
rate - (Indication of dragging cable)
Dragging shoes
Check wheel brakes
Parking brake will not stay latched
Excessive wear
Check for worn latch mechanism
Condition
Possible Cause
Correction
Fig. 6 Troubleshooting Table
