operators_manual

Table Of Contents
System Component Task I A B C D E
Cooling Hoses Check the radiator and heater hoses for
leaks.
Extended Life Coolant (ELC). See
Cooling System Maintenance on page
223.
Check the freeze point.
Check for contamination using test strips.
Replace blank water filter if applicable.
Perform lab analysis. If lab analysis
shows coolant is unsuitable for continued
use: Flush, drain, and refill. Add ELC
Extender.
Flush, drain, and refill with new coolant.
Fan Clutch Check for air leaks. See Engine Fan on
page 241. Check the fan drive bearings
(turn the sheave in both directions to
check for worn hub bearings).
Solenoid Valve Check the fan drive for proper
engagement and disengagement.
MAINTENANCE - Maintenance Schedule
Y53-6047-2HEN (03/18) 191
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