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18 Troubleshooting
MAN0661 (8/10/2007)
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Motor for broom will not operate. Auxiliary hydraulics control on prime
mover is activated in the wrong
position.
Verify controls: See prime mover
owner’s manual.
Hoses improperly connected to prime
mover.
Connect hoses correctly to prime
mover.
Hoses on prime mover are
obstructed.
Clear obstruction on prime mover.
Hoses on broom are obstructed. Clear obstruction on broom.
The motor has failed. Replace the motor.
Sluggish broom operation. Insufficient oil flow from the prime
mover.
Increase engine RPM.
One or more seals have failed in the
motor.
Replace the seals or motor.
Hydraulic filter on prime mover is
dirty.
Replace filter.
Motor runs but broom does not. Motor shaft has a sheared key. Replace key.
Oil leaks from motor. One or more seals have failed in the
motor.
Replace the seals or motor.
Seals on the fittings are damaged. Replace seals or fittings.
Fittings are loose or damaged. Tighten or replace fittings.
Hydraulic hoses are loose or
damaged.
Tighten or replace hoses.
Brush rotates in wrong direction. Hoses installed incorrectly. Switch hose connections.
Brush slows or stops when sweeping. Brush pattern too wide. Adjust brush pattern.
Travel speed too fast. Reduce travel speed.
Trying to sweep too much material at
once.
Reduce amount of material being
swept; make more passes.
Hydraulic motor is failing. Replace Motor.
Brush wears very quickly. Brush pattern too wide. Adjust brush pattern.