Pump not delivering oil
Remove, flush, and clean filter thoroughly.
Not enough oil in tank
Add oil as necessary.
Insufficient pump pressure
Replace all scored or worn parts.
Leak in hydraulic connections and cylinders
Repair leaks.
Oil of wrong viscosity
Use correct viscosity oil. See Lubrication and Maintenance Section.
External leakage
Replace oil seal.
OUCC002,00022F6-19-20060703