WARN I N G
DO NOT service cooling system unless engine has cooled. This is a pressurized cooling
system and escaping steam or hot coolant will cause serious burns.
DO NOT remove cooling system radiator cap when engine is hot. Allow engine to cool
Loosen cap to first stop and let any pressure out of cooling system, then remove cap.
Wear effective eye, hand, and skin protection when handling coolants.
Failure to follow these warnings may cause injury or serious burns to personnel.
C AU T I O N
When servicing this machine, performing maintenance, or disposing of materials such as
fuel, engine coolant, hydraulic fluid, lubricants, battery acids or batteries, and CARC paint,
consult your unit/local hazardous waste disposal center or safety office for local regulatory
guidance. If further information is needed, please contact The Army Environmental Hotline
1. Loosen clamp (Figure 1, Item 1) and disconnect upper radiator hose (Figure 1, Item 2) from water temperature
regulator housing (Figure 1, Item 3).
Figure 1. Upper Radiator Hose.