TROUBLESHOOTING (COMPACTOR)
Troubleshooting (Compactor)
Symptom | Possible Problem | Solution | |
| Clutch slips? | Adjust or replace clutch. | |
| Adjust or replace | ||
| 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. | ||
|
| ||
| Engage | ||
| 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 32 — MVH508DZ PLATE COMPACTOR • OPERATION AND PARTS MANUAL — REV. #0 (04/04/14)