TM 5-3805-280-24-2
UNIT 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:
(8) Pull pilot control shut-off lever to locked
position.
(9) Lubricate swing bearing with 10 shots of grease
at both grease fittings.
(10) Start engine. Raise bucket several inches off the
ground and rotate the upperstructure 45
degrees.
(11) Repeat steps 2 through 9 three times.
NOTE: It is not necessary to start the engine
the last time.
13
Quarterly
Grease Swing Bearing Gear
WARNING: Prevent possible injury from
unexpected machine movement if another
person moves controls. One person must do
lubricating of swing bearing gear and rotating
the upperstructure. Before you lubricate
swing bearing gear clear area of all personnel.
(1) Use a wrench to remove access cover (A) to
swing gear.
A-12