Multiquip MVH408GH manual Troubleshooting Compactor, Symptom, Possible Problem, Solution

TROUBLESHOOTING (COMPACTOR)

Troubleshooting (Compactor)

Symptom	Possible Problem	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		Check vibrator assembly for any
	Trouble in vibrator internals?	worn or defective parts, replace any
weak.
		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.
	Hydraulic pump problems?	Check hydraulic pump.
	Direction Control Lever installation	Correct installation of lDirection
	wrong?	Control Lever.
Travels forward or backward but	Broken or defective oil hose?	Replace oil hose.
	Aeration in hydraulic oil?	Purge air in hydraulic oil. (Bleed plug)
unable to switch direction.
	Excessive oil in reversing system?	Fill to correct level.
	Hydraulic pump clogged with trash?	Clean valve inside hydraulic pump.
	Cylinder piston bearing failure?	Check piston bearing in cylinder for
		leakage.
	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	Vibrator locks?	Check vibrator and correct problem.
	Cylinder piston bearing failure?	Check piston bearing in cylinder for
		leakage at USH packing.
	Piston inside hydraulic pump not	Adjust or replace.
Direction Control Lever operating	moving smoothly?
resistance for reverse is high.	Vibrator cylinder piston does not move	Adjust or replace.
	smoothly

PAGE 30 — MVH408GH PLATE COMPACTOR • OPERATION AND PARTS MANUAL — REV. #0 (03/25/14)