D60x90 Navigator HDD Maintenance
3000 Service Hours 50-3
Cooling System - Refill
Step 1:
Close petcocks.
Step 2:
Prepare a 50/50 mixture of 4.4 gal (17 L) of coolant and distilled or deionized water. Refer to “Cooling
Medium,”
Step 3:
Add most but not all of mixture to radiator. Do not fill it completely.
Step 4:
Operate engine until mixture has circulated through system.
Step 5:
Install overfill bottle cap.
Step 6:
Recheck radiator after engine has cooled overnight. As air works out of the system, you may need to
add more water/antifreeze mixture to keep the radiator full. Continue checking before starting each
day until radiator remains full.
Summary of Contents for D60x90 Navigator
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