TM 5-3805-280-10
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 230LCR/230LCRD
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:
36
After
Clean Rock Drill Dust Collector Filters (230LCRD)
(1) Every day after drilling operations are
completed and before stopping the machine,
clean filters by allowing one cleaning cycle
without drilling.
37
Weekly
Inspect Material Clamp Pin Joint Movement (230LCR)
Clamp action is sloppy
(1) Operate material clamp and check for unusual
slop. Make sure pin joints are snug.
38
Weekly
Inspect Quick-Disconnect Hitch Attachment Points
(1) Ensure that attachment is secure in front hooks
and rear saddle.
(2) Inspect quick-disconnect hitch and wedge for
Any damage that would
excessive wear, damage, or failure.
prevent operation
39
Weekly
Inspect Quick-Disconnect Hitch Lifting Hook
(1) Visually inspect lifting hook for wear or
Any damage that would
damage.
prevent operation
NOTE: Items 40 through 42 are applicable to
Model 230LCRD only.
40
Weekly
Wash the Rock Drill
41
Weekly
Inspect All Hoses of Rock Drill
(1) Inspect hoses for cracking, wear, or damage.
Hoses are damaged
If hoses require replacement, notify your
and leaking
supervisor.
42
Weekly
Check the Rock Drill Cap Bolts and the Mounting Bolts
Bolts are loose or
of the Hydraulic Drifter for Tightness
missing
A-18
