Elliott Digger Derrick - OIL CONTAMINATION PROBLEMS; PUMPING PROBLEMS; SYSTEM OPERATES SLOWLY OR ERRATICALLY

Troubleshooting EEC-0023 V1.1
Troubleshooting
OUTRIGGER/STABILIZER CREEPS IN UNDER LOAD
Clean holding valve and check relief setting. Replace as required.
OIL CONTAMINATION PROBLEMS
 Water in oil (milky)
 Filter plugged (dirty)
 Metal particles (mechanical failure)
 Oil discolored or has burned odor (overheating)
 Oil foaming due to low oil, water in oil, air leak in suction, kinked hose or worn pump
shaft seal
PUMPING PROBLEMS
 Suction line plugged-clean and check
 Ball valve closed-open valve
 Air leak in pump suction-replace suction line
 Dirt in pump-flush system & rebuild pump
 Worn pump-repair or replace
 Relief valves not properly adjusted-check and adjust valves
 Dirty or collapsing hoses-replace
 Worn cylinders or motors-rebuild/replace
SYSTEM OPERATES SLOWLY OR ERRATICALLY
 Air in system-check suction line for leaks and oil level in tank
 Cold oil-run system and make sure oil is warm
 Pump damaged-repair
 Dirt in relief valve-clean/replace
 Restriction in suction line-clean and replace
 Ball valve closed-open valve
 Oil viscosity too high-replace with proper oil
 Low oil supply
 Valve plugged-clean valve orifices
 Oil leak-tighten fitting/replace hoses as required