Multiquip EPOXY/M SERIES - Manual (Page 39)

EPOXY/M SERIES WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #5 (10/06/10) — PAGE 39
EPOXY/M SERIES TROWEL — TROUBLESHOOTING
Troubleshooting (Walk-Behind Trowel) - continued
Symptom Possible Problem Solution
Machine has a perceptible rolling motion
while running.
Main shaft?
The main output shaft of the gearbox
assembly should be checked for straightness.
The main shaft must run straight and cannot
be more than 0.003"" (0.08 mm) out of round
at the spider attachment point.
Yoke?
Check to make sure that both fingers of the
yoke press evenly on the wear cap. Replace
yoke as necessary.
Blade Pitch?
Check to ensure that each blade is adjusted
to have the same pitch as all other blades.
Adjust per maintenance section in manual.
Clutch slipping or sluggish response to
engine speed change.
Worn V-belts? Replace V-belt.
Hand clutch out of adjustment?
Adjust per instructions in maintenance
section of this manual.
Worn or defective hand clutch parts? Replace parts as necessary.
Worn bearings in gearbox?
Rotate input shaft by hand. If shaft rotates
with difficulty, check the input and output
shaft bearings. Replace as necessary.
Worn or broken gears in gearbox?
Verify that the gearbox shaft rotates when
the input shaft is rotated. Replace both the
worm and worm gear as a set.
Trowel blades do not rotate.
Incorrect or no voltage being supplied to
electric motor? Check that the electric motor has the correct
supply voltage.
Power to electric motor?
Inspect power source and extension cord.
Push reset button on electric motor. Make
sure correct voltage is being supplied to
motor.
Broken V-belt? Replace V-belt.
Defective ON/OFF switch?
Check and replace ON/OFF switch if
necessary.
Defective electric motor? Replace electric motor.