Multiquip BS46H11, BS46HLE, BS46H90 manual Troubleshooting Walk-Behind Trowel

			troubleshooting
	Troubleshooting (Walk-Behind Trowel) - continued
Symptom		possible problem		Solution
				The main output shaft of the gearbox
				assembly should be checked for straightness.
		Main shaft?		The main shaft must run straight and cannot
				be more than 0.003"" (0.08 mm) out of round
Machine has a perceptible rolling motion				at the spider attachment point.
				Check to make sure that both fi ngers of the
while running.
		Yoke?		yoke press evenly on the wear cap. Replace
				yoke as necessary.
				Check to ensure that each blade is adjusted
		Blade Pitch?		to have the same pitch as all other blades.
				Adjust per maintenance section in manual.
		Worn V-belts?		Replace V-belt.
		Hand clutch out of adjustment?		Adjust per instructions in maintenance
				section of this manual.
Clutch slipping or sluggish response to		Worn or defective hand clutch parts?		Replace parts as necessary.
				Rotate input shaft by hand. If shaft rotates
engine speed change.
		Worn bearings in gearbox?		with diffi culty, check the input and output
				shaft bearings. Replace as necessary.
				Verify that the gearbox shaft rotates when
		Worn or broken gears in gearbox?		the input shaft is rotated. Replace both the
				worm and worm gear as a set.
		Defective clutch?		Replace clutch.
		Broken V-belt?		Replace V-belt.
Trowel blades do not rotate.		Defective ON/OFF switch?		Check and replace ON/OFF switch if
				necessary.
		Defective centrifugal ON/OFF switch?		Check and replace centrifugal ON/OFF
				switch if necessary.

BS46H SERIES WALK-BEHIND TROWEL • operatION And parts manual — rev. #2 (10/15/13) — page 41