WINTERIZATION SERVICE CHECKLIST

RO#_______________Chassis_______________Date_____________

COMPLETE ALL OF THE SERVICE POINTS BELOW AND INDICATE STATUS

√ = OK    O = REPAIR REQUIRED    X = REPAIR COMPLETED    N = NOT APPLICABLE

COMPONENT                                                                  STATUS    

COOLING SYSTEM

Fan Shroud

Fan assembly & idler pulley

Engine block heater — continuity test

Radiator — check exterior condition

Radiator mounting

Radiator — check for visible leaks

Hose condition & connections

Surge tank

Water pump — check for visible leaks

Coolant level

Coolant — take sample

Coolant — check for signs of oil and/or debris

            ☐ Pass       ☐ Fail 

Coolant — check freeze point (use refractometer)

    Pass (-25°F to -50°F)  Fail (above -25°F or below-50°F)

    Coolant Protection (Freeze Point)________°F

Coolant — check corrosion protection

☐ Conventional Coolant

    Color ☐ green ☐ pink or purple ☐ brown ☐ other

    Check supplemental coolant additive to mfr. Specs

        SCA's ☐ OK ☐ Undercharged ☐ Overcharged

☐ Extended Life Coolant

    Color ☐ red

    Check corrosion protection with ELC Test Kit

        ☐ Adequate Protection  ☐ Lacks Protection

Pressure test cooling system / check for leaks

CAB HEATING SYSTEM

Heater screens — clean & check for obstructions

Heater controls & fan operation

Bunk heater controls & fan operation

Cab floor grommets & door weather-stripping

AIR SYSTEM

Air tanks — drain water

Air dryer — service

RELATED ITEMS

Engine coolant — replace if applicable

Air dryer cartridge — replace if applicable

Air compressor, pulley and mounting brackets

Visual inspection of starter and connections

Alternator — drive belt, mounting brackets

Steering gear and reservoir — check for leaks

Surge tank

Vibration damper condition

Hood grill and bug screens

Hood brackets

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