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 TM 55-1905-220-14-1
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continued
Item
Location Item to
Not Mission
No
Interval
Check/Service
Procedure
Capable If :
91
Check specific gravity of batteries
Continued
using a hydrometer. Place the
pick-up tube in a battery cell.
Squeeze the suction bulb to obtain
reading. If the specific gravity is less
than 1.220, the battery requires
charging. All cells of a battery should
be within .025. Replace battery caps
after servicing.
WARNING
Battery acids are danger-
ous. Do not get acids on
skin or in eyes. Get medical
help immediately if you do.
If recharging does not bring the
Battery
specific gravity to 1.220, a new
electrolyte low;
replacement battery is required.
or specific
gravity reading
The battery can be washed with a
lower than
baking powder solution, and rinse
1.220.
with water.
Change 5
2-155
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