TM 5-3805-281-24-1
Operational Checkout Procedure
COOLANT LEVEL AND
YES: Go to next check.
CONDITION IN
RADIATOR CHECKS
NO: Add coolant if low.
Check hose to surge
tank. Flush radiator and
engine if coolant is dirty
9005
or rusty. Add clean
10
coolant. If coolant is oily
36
check for hydraulic or
T115432C UN08JUN98
engine oil leaks into
cooling system. Go to
D--Radiator Cap
Engine Repair chapter.
E--Surge Tank Cap
CAUTION: Prevent possible injury. DO NOT remove radiator cap unless
engine is cool. When engine is hot and cap is removed, hot coolant or
steam will spray out causing serious burns.
Engine OFF and cool.
Remove surge tank cap (E).
Remove radiator cap (D).
Inspect coolant level.
Inspect coolant condition.
Is coolant level at bottom of fill neck on radiator?
Is coolant clear, not oily, foamy or rust colored?
1/1
YES: Go to next check.
RADIATOR INTERNAL
CAUTION: Prevent personal injury, DO NOT
CORE CHECK
remove radiator cap unless engine is cool.
NO: Remove and clean
When engine is hot and cap is removed, hot
or replace radiator. Fill
coolant or steam will spray out causing
cooling system with clean
serious burns.
coolant.
Raise engine access door.
T6488FZ
UN19OCT88
Remove radiator cap.
Drain coolant into a clean container until core tubes are
visible.
Is radiator core free of rust, lime, or corrosion? Are
passages in core clean, not plugged?
1/1
2-36
