TM 5-3810-231-12
Caution
(a) Remove the battery box cover and
Exercise care when filling the
battery filler caps.
batteries with electrolyte to prevent
(b) Pour electrolyte into each battery
splashing or spilling the acid on
cell to a depth of 3/8 inch above the
clothing and body.
separators.
(c) Install the filler caps and battery box
(3) Fill the engine cooling system with water
cover.
or the proper mixture of antifreeze
solution (table 1). See that the drain
Caution
valves on en)gine block and radiator are
Do not smoke or un open flame in
closed.
the vicinity, as batteries generate
(4) Fill fuel tanks to capacity, for fuel oil is
explosive gas during charging.
used in operation of torque converter. Fill
frequently.
Refer to TM 96140200-15 for additional battery
service data.
Caution
Keep fuel tanks full. When level is
below 100 gallons, there is a danger
of fuel cavity.
Table 1. Freezing Points, Composition and Specific Gravities of Military Antifreeze Materials
Lowest
Pints of
Ethylene glycol
expected
inhibited
coolant solution
ambient
glycol per
specific gravity
at 68 .3
temp. of
gal. of
Compound, Antifreeze
F
1
2
coolant
Atctic
+20
1 1/2
Issued full strength and ready mixed for 0
1.022
+10
2
to -65 . temperatures for both initial
F
1.036
0
2 8/4
installation and replenishment of losses
1.047
-10
8 1/4
1.056
-20
8 1/2
1.062
-80
4
1.067
-40
4 1/4
1.078
-60
Arctic anti
DO NOT DILUTE WITH WATER OR
-60
freeze pre
ANY OTHER SUBSTANCE
-76
ferred
1. Maximum protection is obtained at 60 percent by volume (4.8 pints of ethylene glycol per gallon of solution).
2. Military specification MIL-C-11755 Arctic type, nonvolatile antifreeze compound is intended for use in the cooling
system of liquid-cooled internal combustion engines. It is used for protection against freezing primarily in Arctic regions
where the ambient temperature remains for extended periods close to -40 . Or drops below, to as low as -90 .
F
F
3. Use an accurate hydrometer. To test hydrometer, use 1 part ethylene glycol antifreeze to 2 parts water. This
should produce a hydrometer reading of 0 .
F
Note. Fasten a tag near the radiator filler cap indicating the type antifreeze.
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