UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES
FOR HYDRAULIC EXCAVATOR 330LCR
ITEM TO BE INSPECTED
EQUIPMENT IS NOT
PROCEDURE: DO THE PMCS AND HAVE ITEM
REPAIRED, FILLED, OR ADJUSTED AS NEEDED
(5) Turn radiator petcock (A) counterclockwise to
open valve. Allow coolant to drain into a
container. Dispose of waste properly.
(6) Turn engine block drain cock (A) counter-
clockwise to drain engine block. Drain coolant
into a container. Dispose of waste properly.
Perform Cooling System Fill and Deaeration Procedure
COOLING SYSTEM SPECIFICATION
Approx. 22 L (6 gal)
CAUTION: Use only permanent-type low
silicate ethylene glycol base antifreeze in
coolant solution. Other types of antifreeze
may cause damage to cylinder seals.
FREEZING TEMPERATURES: Fill with
permanent-type low silicate ethylene glycol base
antifreeze (without stop-leak additive) and clean,
Fill radiator to the bottom of the radiator fill neck.
Fill the recovery tank to FULL mark.
The cooling system requires several warm-up and
cool down cycles to deaerate. It will NOT deaerate
during normal operation. Only during warm-up and
cool down cycles will the system deaerate.
(1) Start engine. Run engine until coolant reaches a