Thermo King SLXi Spectrum, Maintenance Manual

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Operating Instructions 6-21
COOLANT.
The engine coolant must be above the ADD mark and have antifreeze protection to -34 C. Check and add coolant
in the expansion tank.
WARNING: Do not remove the expansion tank cap while coolant is hot.
CAUTION: Do not add “GREEN” or “BLUE-GREEN” conventional coolant to cooling systems using “RED” Extended Life
Coolant, except in an emergency. If conventional coolant is added to Extended Life Coolant, the cooling system will get
contaminated and sludge will form, also crutially, the engine could overheat.
BATTERY.
The terminals must be clean and tight and that the battery is mounted securely.
BELTS.
The belts must be in good condition and adjusted to proper tension.
ELECTRICAL.
The electrical connections should be securely fastened. The wires and terminals should be free of corrosion,
cracks or moisture.
STRUCTURAL.
Visually inspect the unit for leaks, loose or broken parts and other damage. The exhaust rain cap (if
fitted)should move freely. The condenser and evaporator coils should be clean and free of debris. Check the defrost drain hoses
and fittings to make sure they are open. The damper in the evaporator outlet must move freely with no sticking or binding. Make
sure all doors are latched securely.