TM 10-8415-208-12
(1)
Turn screw (1) on battery box (2) until door (3) opens.
(2)
Remove the old battery.
b.
Installing.
NOTE
The positive (+) end of the battery points toward the battery box door.
(1)
Place a new battery into battery box (2).
(2)
Close door (3) and tighten screw (1) finger tight.
3-9.2.2
Removing/Installing Filter Cartridge.
a.
Removing.
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