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:
4
*As Required
Adjust Track Sag
CAUTION: Prevent possible damage to
track components. DO NOT use the grease
fitting on the track-adjusting cylinder for
lubrication. Use this fitting ONLY for track
adjustment.
(1) To tighten track, connect grease gun to grease
fitting (A) (located through access hole [D] in
track frame). Add grease until sag is within
specifications (see Fuels and Lubricants,
Chapter 1).
WARNING: Prevent possible injury from
high-pressure grease. Do not remove grease
fitting (A) from nut (B).
(2) To loosen track, slowly turn nut (B)
counterclockwise; grease will escape through
the bleed hole (C).
(3) When track sag is within specifications, torque
Cannot adjust track sag
nut (B) to 147 Nm (108 lb-ft).
TRACK SAG SPECIFICATIONS
Normal Ground Conditions
300--335 mm
(11-13/16--13-3/16 in.)
A-5
