Del Morino RES, Use And Maintenance Manual

Page: 14 / 39

14
PROBLEM SOLVING
TROUBLE CAUSE SOLUTION
The controls don’t work
-PTO switched off.
- Hydraulic pump broken.
-Oil lack.
-Switch on the PTO.
-Substitute pump.
-Fill oil tank.
The rams move with jerks
-Air inside hydraulic
system.
-Check oil level in the tank.
-Tighten the fittings of the hydraulic lines.
-Move rams for few minutes to purge air.
Arms and stabilizers move without
hydraulic pressure
-Ram seals worn.
-Substitute seals.
-Check for worn valve.
Oil over heats
-Dirty oil filter.
-Damaged hydraulic lines.
-Oil level low.
-Replace oil filter.
-Check and replace if necessary.
-Add oil.
Oil leakage
-Fitting loose.
-Ram seals worn.
-Tighten the fittings.
-Replace seals.
Bucket does not penetrate enough
-Hydraulic pump worn.
-Oil level low.
-Relief valve not adjusted.
-Dirty oil filter.
-Oil leak.
-Ram seals worn.
-Substitute pump.
-Add oil.
-Check the setting.
-Replace oil filter.
-Find and eliminate.
- Replace seals.
The mobile frame shifts without
reason
- Locking nuts unlocked.
- Hydraulic lock off.
-Lock the nuts.
-Turn on the hydraulic lock.