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
Check Coolant Conditioner
WARNING: Explosive release of fluids from
pressurized cooling system can cause serious
burns. Remove filler cap only when engine is
cold or when cool enough to touch with bare
CAUTION: John Deere Liquid Conditioner
does not protect against freezing. Coolant
conditioner prevents rust, scale, and liner
NOTE: Check coolant every 500 hours or 3
months, or when replacing 1/3 or more
coolant. Add coolant conditioner as necessary.
(1) Turn cap slowly to first stop to release pressure
and then remove cap. Test coolant solution
using one of the following methods.
· 3-Way Heavy-Duty Coolant Test Kit
(TY161775) Coolant test strips provide an
effective method to check freeze point and additive
levels of engine coolant. Follow instructions on kit.