TM 5-3805-281-24-2
UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 330LCR
ITEM
INTERVAL
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
NO.
PROCEDURE: DO THE PMCS AND HAVE ITEM
READY/AVAILABLE
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
IF:
32
Semiannually
Change Pilot Control Oil Filter
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 relieve air pressure.
(2) Remove filter case (A).
(3) Unscrew filter element (B).
(4) Remove O-ring (C).
(5) Install new O-ring and filter element.
(6) Install filter case (A).
SPECIFICATION
20--30 Nm (15--22 lb-ft)
Filter Case Torque
A-23