TM 5-3825-270-23&P
0074
FLUSHING - Continued
WARNING
Use extreme care when removing radiator pressure cap. Sudden release of pressure can
cause steam flash. Slowly loosen cap to the first stop to relieve pressure prior to removing
cap completely. Failure to comply may result in injury or death to personnel.
Use clean, thick waste cloth or like material to remove radiator pressure cap. Avoid using
gloves, hot water soaks through gloves. Failure to comply may result in injury or death
to personnel.
Wear suitable eye protection when working on vehicle cooling systems to avoid personnel
injury.
24.
Remove radiator cap (Figure 10, Item 4) from radiator (Figure 10, Item 3) by pressing down and rotating
counterclockwise.
25.
Position drain pan under drain cock (Figure 11, Item 5) on bottom of engine (Figure 11, Item 3).
5
3
Figure 11. Cooling System Flushing.
26.
Open drain cock (Figure 11, Item 5) on bottom of radiator (Figure 11, Item 3) by rotating counterclockwise and
allow water to drain into drain pain.
27.
Close drain cock (Figure 11, Item 5) on bottom of radiator (Figure 11, Item 3) by rotating clockwise. Tighten
drain cock.
28.
Remove drain pan and dispose of contents IAW local procedures.
29.
Prepare approximately 2.38 gal (9 L) of a solution made up of 60% antifreeze and 40% distilled water.
30.
Pour solution into radiator filler neck (Figure 12, Item 6) until full.
