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 TM 55-1905-219-14-1
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - continued
Location
Item
Item to Check/
Not Mission
No.
Interval
Service
Procedure
Capable :
91
Check specific gravy of batteries using a
Continued
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 dangerous.
Do not get acids on skin or in
eyes.
Get medical help
immediately if you do.
If recharging does not bring the specific
Battery electrolyte
gravity to 1.220, a new replacement battery
low; or specific
is required.
gravity reading
lower than 1.220.
The battery can be washed with a baking
powder solution, and rinse with water.
Change 4 2-143
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