Multiquip MVH406GH manual Troubleshooting Compactor

MVH-406GH—TROUBLESHOOTING

TABLE 9. TROUBLESHOOTING COMPACTOR

SYMPTOM	POSSIBLE CAUSE	SOLUTION
	Clutch slips?	Adjust or replace clutch.
	V-belt slips?	Adjust or replace V-belt.
	Excessive oil in vibrator?	Fill to correct level.
Travel speed low and vibration weak.		Check vibrator assembly for any worn or
	Trouble in vibrator internals?	defective parts, replace any defective
		parts.
	Aeration in hydraulic oil for for travel	Purge air in hydraulic oil. (Bleed plug)
	reversing system?
	Engine speed incorrect?	Set engine speed to correct RPM.
	Travel reversing system inoperative?	Check entire travel system.
	Reversing lever installation correct?	Clean installation of reversing lever.
	Broken or defective oil hose?	Replace oil hose.
Travels forward or backward but unable	Aeration in hydraulic oil for for travel	Purge air in hydraulic oil. (Bleed plug)
to switch direction.	reversing system?
	Excessive oil in reversing system?	Fill to correct level.
	Selector valve clogged with trash?	Clean selector valve.
	Cylinder piston bearing failure?	Check piston bearing in cylinder for
		leakage at USH packing.
	V-belt disengaged or slips?	Engage V-belt, adjust or replace.
	Clutch slips?	Adjust clutch, replace if necessary.
Does not travel in forward or reverse.
	Pump input shaft key or adapter key-way	Replace input shaft key or adapter key-
	damaged?	way
	Cylinder piston bearing failure?	Check piston bearing in cylinder for
		leakage at USH packing.
Reversing lever operating resistance	Excessive hydraulic oil?	Fill to correct level.
great.

MVH406GH PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #3 (02/04/14) — PAGE 27