Multiquip MVH-402GHB -TROUBLESHOOTING, Troubleshooting Compactor, Symptom, Possible Cause

MVH-402GHB —TROUBLESHOOTING

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following thediagnosis based on the Engine Troubleshooting (Table 8) information shown below and on the proceeding pages. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

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 syste.?
	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)
	reversing syste.?
to switch direction.
	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 dis-engaged or slips?	Engage V-belt, adjust or replace.
	Clutch slips?	Adjust clutch, replace if necessary.
Does not travel in forward or reverse.
	Pump input shat key or adapter key-way	Replace input shatkey or adapter key-way
	damaged?
	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.

PAGE 26 — MQ-MIKASA MVH-402GHB PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #0 (12/17/03)