COOLING SYSTEM SERVICING - CONTINUED
DRAINING - CONTINUED
Place container under engine block. Remove plug (4) from engine block and allow coolant solution to drain.
Install plug (4).
Place container under transmission oil cooler. Remove plug (5) and washer (6) from transmission oil cooler and allow
coolant solution to drain.
Install washer (6) and plug (5).
Fill radiator with clean water.
Turn battery disconnect switch to ON position and start engine (TM 5-3805-261-10). Run engine for 15 minutes.
Drain cooling system. Refer to steps 1 through 9 in Draining in this work package.
Refer to TB 750-651 for use of engine cooling system cleaning compound.
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.
Mix 10 gal. (38 L) of coolant solution (50% water and
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.
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
Stop engine and recheck coolant solution level. Add
coolant solution as needed.
Install radiator cap (1).
END OF WORK PACKAGE