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:
26
Semiannually
Change Pump Drive Gearbox Oil
(1) Remove filler plug (B).
(2) Remove drain plug (C). Allow oil to drain into
a container. Dispose of waste properly.
(3) Apply Liquid TEFLON pipe thread sealant to
drain plug. Install drain plug.
(4) Add oil (see Fuels and Lubricants, Chapter 1).
SPECIFICATION
Pump Gearbox Capacity
1.0 L (1.1 qt)
(5) Pull dipstick (A) and check oil level. Oil level
must be approximately halfway below "H"
(level) mark.
(6) Install filler plug and dipstick.
27
Semiannually
Change Secondary Air Cleaner Element
(1) Open front service door.
(2) Loosen wing nut to remove cover and primary
element. Clean primary element or replace if
damaged.
A-21
