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Page Title:
ENGINE COOLING SYSTEM SERVICING - continued |
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 TM 9-2320-386-24-1-1
0068 00
ENGINE COOLING SYSTEM SERVICING (Contd)
.WARNING.
Accidental or intentional introduction of liquid contaminants into
the environment is in violation of state, federal, and military
regulation. Refer to Army POL (WP 0001 00) for information
concering storage, use, and disposal of these liquids. Failure to do
so may result in injury or death.
DRAIN SYSTEM
.WARNING.
Do not remove cap if engine is hot. Steam or hot coolant under
pressure may cause injury to personnel.
1.
Turn cap (1) to first stop. Allow any pressure to escape.
2.
Remove cap (1) from surge tank (2).
NOTE
Have drainage container ready to catch coolant.
3.
Open drainvalve (4) and drain coolant from radiator (3).
NOTE
Allow coolant to drain completely before performing step 4.
4.
Close drainvalve (4).
CLEANING AND FLUSHING SYSTEM
Following cleaning and flushing instructions included in cleaning compound kit, clean and flush
radiator (3) and cooling system.
FILL SYSTEM
1.
Mix coolant solution.
CAUTION
Do not add antifreeze directly to cooling system. Premix the
coolant solution required for vehicle operations. Failure to do so
may result in damage to equipment.
NOTE
Capacity of system is 27 quarts (26 liters) of coolant.
A 50/50 solution of antifreeze-to-water will allow the engine to
function in temperatures down to -25F (-32C).
2.
Test freezepoint of coolant solution.
3.
Add coolant solution to surge tank (2), until coolant level is centered in sight glass (5).
4.
Install cap (1) on surge tank (2).
5.
Start engine (TM 9-2320-386-10) and allow engine to reach normal operating temperature.
6.
Stop engine (TM 9-2320-386-10).
.WARNING.
Do not remove cap if engine is hot. Steam or hot coolant under
pressure may cause injury to personnel.
7.
Turn cap (1) to first stop. Allow any pressure to escape.
8.
Remove cap (1) from surge tank (2), add coolant if necessary, and install cap (1) on surge tank (2).
0068 00-2
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