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TM 9-2320-360-20-1
Table 2-1. Preventive Maintenance Checks and Services (Cont)
ITEM TO BE
NOT FULLY
ITEM
INTERVAL
CHECKED OR
PROCEDURE
MISSION
NO.
SERVICED
CAPABLE IF:
20
Semi-
ARCTIC KIT
WARNING
(cont)
annually
BATTERIES (IF
EQUIPPED)
(CONT)
Remove
rings,
bracelets,
watches,
necklaces, and any other jewelry before
working around HET Tractor. Jewelry can
catch on equipment and cause injury or
short across electrical circuit and cause
severe burns or electrical shock. Batteries
can explode from a spark. Battery acid is
harmful to skin and eyes. Always wear eye
protection when working with batteries.
NOTE
Make a separate test for each battery cell.
e. Check and record specific gravity of
e. Any battery
each cell using antifreeze and battery
has one cell
tester (Item 49, Appendix F):
below 1.225
specific
(1) Using black dipstick, place a few
gravity.
drops of electrolyte on exposed
portion of measuring window.
(2) Point tester toward a bright light
source.
NOTE
Full charge is 1.280 specific gravity.
(3) Record specific gravity of each
cell.
(4) Replace battery If specific gravity
is below 1.225 (para 19-3).
2-48 Change 3
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