TM 5-3895-370-14&P
4-56. COOLANT SYSTEM DRAIN/FILL (CONT).
(2)
Open petcock (1) on radiator (2) and drain
coolant in suitable container.
(3)
Remove plug (3) from inlet connection (4)
to allow remaining coolant to drain from
petcock.
(4)
Close petcock (1) and install plug (3).
WARNING
Corrosion inhibitor contains alkali.
Do not get in eyes; wear goggles/
safety glasses when using. Avoid
contact with skin. In case of contact,
immediately wash area with soap and
water. If eyes are contacted, flush
eyes with large amounts of water for
at least 15 minutes and get immediate
medical attention.
(5)
Fill radiator (2) with 5 gal (18.9 l) clean
water and 0.75 lb (0.34 kg) sodium
carbonate. Install radiator cap (5).
(6)
Run engine five minutes after coolant
temperature reaches 180 degrees F (82
degrees C).
(7)
Repeat steps (1) through (4).
(8)
Repeat steps (5) through (7), adding clean
water only to flush coolant system. Do not
add sodium carbonate.
(9)
If draining water still appears dirty, repeat
step (8) until water appears clean.
(10)
Install radiator cap (5).
4-140
