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:
16
Quarterly
Grease Swing Bearing
WARNING: Prevent possible injury from
unexpected machine movement if another
person moves controls. One person must do
lubricating swing bearing and rotating the
upperstructure. Before you lubricate swing
bearing, clear area of all personnel.
(1) Park machine on level surface.
(2) Lower bucket to the ground.
(3) Turn auto-idle switch off.
CAUTION: Turbocharger may be damaged if
engine is not properly shut down.
(4) Run engine with engine rpm dial at 1/3 position
without load for 2 minutes.
(5) Move engine rpm dial to slow idle position.
(6) Turn key switch to OFF position. Remove key
from switch.
(7) Attach a "Do Not Operate" tag on the right
control lever.
(8) Pull pilot control shut-off lever to locked
position.
(9) Lubricate swing bearing with 10 shots of grease
at both grease fittings (see Fuels and
Lubricants, Chapter 1).
(10) Start engine. Raise bucket several inches off the
ground and rotate the upperstructure 45 degrees.
A-11
