TM 5-3805-261-23-1
COOLING SYSTEM SERVICING - CONTINUED
0065 00
DRAINING - CONTINUED
6.
Place container under engine block. Remove plug (4) from engine block and allow coolant solution to drain.
7.
Install plug (4).
8.
Place container under transmission oil cooler. Remove plug (5) and washer (6) from transmission oil cooler and allow
coolant solution to drain.
9.
Install washer (6) and plug (5).
4
6
5
397-200
FLUSHING
1.
Fill radiator with clean water.
2.
Turn battery disconnect switch to ON position and start engine (TM 5-3805-261-10). Run engine for 15 minutes.
3.
Stop engine.
Drain cooling system. Refer to steps 1 through 9 in Draining in this work package.
4.
NOTE
Refer to TB 750-651 for use of engine cooling system cleaning compound.
5.
Repeat flushing until draining water is clear. Use engine cooling system cleaning compound as necessary to clean
heavily rusted or partially clogged cooling system, to neutralize residual acids, and coat interior with silicate.
FILLING
1
1.
Mix 10 gal. (38 L) of coolant solution (50% water and
50% antifreeze).
2.
Add coolant solution slowly, 5 gal. (19 L) per minute
or less, until level of coolant solution is just below bot-
tom of filler neck.
3.
With radiator cap (1) removed, turn battery disconnect
switch to ON position and start engine (TM 5-3805-
261-10). Let engine run for 15 minutes and check for
leaks.
4.
Stop engine and recheck coolant solution level. Add
coolant solution as needed.
397-2048
5.
Install radiator cap (1).
END OF WORK PACKAGE
0065 00-4