WATER COOLING SYSTEM
The cooling system consists of the radiator, engine
At all times, the coolant should be properly inhibited
cooling circuit, and the connecting hoses. The
against corrosion. Ensure that the proper antifreeze,
temperature is controlled by a 180 degree F (82
in the proper proportion is used, to ensure adequate
degrees C) thermostat located between the top of the
protection in reference to cooling system capacity.
engine and the top of the radiator. Attached to the
Only the antifreeze listed in the Lubrication Chart
radiator as part of the assembly, is an air cooler
should be used.
(aftercooler) which cools the intake air prior to
entering the air intake manifold.
For more detailed information refer to the applicable SM package.
RADIATOR AND AIR COOLER
Engine must be cool to the touch prior to working on coolant system
components. Failure to comply could result in scalding or serious burns.
Ensure battery disconnect switch is in the OFF position.
Place appropriate container under radiator (34, Figure 2-2-7), open drain valve (49) and drain coolant from
radiator [capacity - 10.5 gals. (39.7 L)]. Close drain valve (49).
Remove engine top panel and side access doors, refer to Engine Hood Removal procedures.
Remove nut (1), lockwasher (2), washer (3), clamp (4), and drain hose (5) from carrier frame.
Loosen clamp (6) and disconnect recovery coolant hose (7), from radiator (34) filler neck.
Remove capscrews (8) and clamps (9) securing recovery tank overflow hose (10) to radiator shroud (44).
Remove exhaust tube and adapter between turbocharger and flexible tubing, refer to Muffler and Piping
Remove engine hood center cowl, refer to Engine Hood Removal procedures.
Loosen clamps (11) and disconnect air cooler tubes from flexible hoses (12).
Loosen clamps (13) and disconnect top radiator hose (14) from radiator (34), and bottom radiator hose (15)