UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 230LCR/230LCRD
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
PROCEDURE: DO THE PMCS AND HAVE ITEM
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
Replace Air Cleaner Dust Valve
Dust valve is missing
NOTE: A missing, damaged, or hardened
dust valve will cause the air filter elements to
NOTE: Items 34 through 41 are applicable to
Model 230LCRD only.
Change Guide Reducer Oil on Rock Drill
(1) Lower rock drill attachment to rest position.
(2) Unscrew top filling plug.
(3) Use a syringe to remove old oil.
(4) Fill reducer with new oil (see Fuels and
0.5 L (0.45 qt)