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 TM 5-2410-233-23
COOLING SYSTEM SERVICE - CONTINUED
0060 00
DRAINING - CONTINUED
3.
Place a suitable container under left side of engine
4
block. Remove drain plug (4) and allow coolant solu-
tion to drain.
386-787
FLUSHING
1.
Flush system with clean water. DO NOT run engine while flushing.
NOTE
Refer to TB 750-651 for use of engine cooling system cleaning compound.
2.
Use engine cooling system cleaning compound when necessary to clean heavily rusted or partially clogged cooling sys-
tem, to neutralize residual acids and to coat interior with silicate.
3.
Repeat flushing until draining water is clear.
FILLING
1.
Close radiator drain valve (2) on outlet pipe (3).
2.
Install drain plug (4) in engine block.
CAUTION
Antifreeze should never exceed 60% by volume. Failure of cooling system can occur.
3.
Mix 12 gal. (45 l) of antifreeze solution to provide protection to the lowest expected ambient temperature.
4.
Add coolant slowly, 5 gal. (19 l) per minute or less, until level of coolant is within 1/2 in. (13 mm) of bottom of fill pipe.
5.
With filler cap (1) removed, start engine and run for 15 minutes. Check for coolant leaks. Stop engine and recheck cool-
ant level. Add coolant as needed.
6.
Install filler cap (1).
7.
Close crankcase guard (WP 0129 00).
END OF WORK PACKAGE
0060 00-3
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