OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 330LCR
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
PROCEDURE: DO THE PMCS AND HAVE ITEM
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
h. Pull pilot control shut-off lever to locked
i. Open right side access door.
j. Check oil level window (A) on hydraulic
No hydraulic oil visible or
tank. (Oil must be visible in sight gauge
not within safe operating range
within safe operating range as indicated on
k. If necessary, add oil.
To add oil:
WARNING: High-pressure release of oil from
pressurized system can cause serious burns or
penetrating injury. The hydraulic tank is
pressurized. Do not remove vent plug (A).
Release pressure by loosening vent plug.
(1) Loosen vent plug (A) to release hydraulic