26
51-4771
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
MOTOR FOR BROOM
WILL NOT OPERATE
Auxiliary hydraulics control on
prime mover is activated in the
wrong position.
Verify controls. See prime mover
owners 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.
THE MOTOR RUNS BUT
THE BROOM DOES NOT
RUN
Motor shaft has a sheared key.
Replace key.
OIL LEAKS FROM THE
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 DIRECTIONS
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 is too wide.
Adjust brush pattern.