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:
WARNING: Always remember the
CAUTIONS, WARNINGS, and NOTES
before operating this machine and prior to
PMCS.
PREPARE MACHINE FOR MAINTENANCE
Before performing PMCS and before leaving the
operator's seat, park the machine as described
below unless another position is specified in the
procedure.
(1) Park machine on a 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. Remove key from
switch.
(7) Pull pilot control shut-off lever to locked
position.
1
Weekly
Inspect Breaker Tool
(1) Remove tool.
(2) Inspect tool for damage and wear. Replace if
necessary.
(3) Grease upper and lower bushings and retaining
axles before installing tool (INDECO Supreme
1000 grease or other HD Moly Grease con-
taining 3 to 5 percent Molybdenum Disulfide).
2
Weekly
Inspect Breaker Upper and Lower Bushings
(1) Measure upper bushing for wear. Replace if
inside diameter exceeds 158 mm (6.22 in.).
(2) Grease the bushings before reinstalling tool
(INDECO Supreme 1000 grease or other HD
Moly Grease containing 3 to 5 percent
Molybdenum Disulfide).
A-3
