TM 11-6140-203-14-4&P
(7) Allow at least 2 hours for the cement to dry
5-9.
Reconditioning Battery Components.
before installing the cover on the battery.
After the battery is disassembled (para 5-8), proceed as
c. Installing Battery Terminal Connector or
follows
Receptacle
a Individual Cell Inspection.
(1) Check to be sure that the terminal
(1) Remove, clean (para 4-13), and replace
connector or receptacle is clean and dry.
fillercaps on all cells. Be sure fillercaps are on tight.
(2) Install
the
terminal
connector
or
CAUTION
receptacle,
using screws, washers, and gaskets as
Do not allow tapwater to enter cell; the
required d. Installing Battery Case Liner.
electrolyte will be diluted or contaminated and
NOTE
will require replacement.
If necessary to replace any liner, use polyamide
(2) Wash each cell with tapwater. Remove
plastic sheet (item 11, appx E).
potassium carbonate deposits by brushing with the
(1) Check to see that the battery case is clean
nylon brush Rewash the cell with tapwater.
and dry.
WARNING
(2) Cut the battery case liner or insulator
When using an air hose for cleaning, the
(polyamideplasticsheet,(NSN
9330-00-877-2872)), to
compressed air source must limit the nozzle
the same size as the one removed and install the
pressure to no more than 29 pounds per square
replacement battery case liner in the battery case.
inch gauge (PSIG). Goggles must be worn at all
e. Installing Heater Blanket Assembly.
times while cleaning with compressed air.
(1) Check to be sure that there are no rips,
(3) Air hose until dry.
tears, or broken wires in the heater assembly.
(4) Lightly buff each cell terminal with fine
(2) Test heater assembly for correct
sandpaper or emery cloth.
thermostat operation and heater resistance valves {para
(5) Examine each cell for cracks, distorted
case, discoloration, and electrolyte contamination If a
(3) Reinstall heater in correct position is given
cell has a crack or distorted case, the cell is beyond
in paragraph 4-14 for each manufacturer.
repair and should not be used. If the exterior of a cell is
f. Installing Cells in Battery Case
discolored with burn spots or contains gross electrolyte
NOTE
contamination (contamination is
evidence if the
Each battery must be constructed of cells made
electrolyte is badly discolored), the cell is unserviceable
by the same manufacturer and carry the same
and should be discarded. For cells that visually appear
part number. DO NOT mix cells made by
to be free of cracks,
discoloration, distortion, and
different manufacturers of different part or stock
electrolyte contamination, proceed as follows to test the
numbers from the same manufacturer, to retrofit
cell for electrolyte leakage: (a) Invert cell for 2 minutes.
a battery. Use cells with or as close to the
(b) After the cell has been inverted for 2
same date code or length of service as possible.
minutes, lay cell on each of its sides either on a blotter
If replacement cells with the
same
or a paper towel for 30 seconds per side Any wetting of
manufacturer's part number as those in the
the blotter or the paper towel is cause to consider the
battery are not available; obtain 19 new cells to
cell defective unless it comes from only the cell vent.
b. Installing Cover Gasket (1) Check to be sure
reassemble the battery (para 5-11). Keep any
extra used good cells for future replacement
that the cover is clean and dry.
use.
(2) Lay the cover on a clean, flat surface and
(1) Using appropriate cell layout diagram
thoroughly clean the side of the cover to be cemented.
shown in chapter 2, replace all cells in the battery case.
(3) Apply a layer of cement (item 10, appx E)
If a cell is difficult to insert, apply a light coat of
to the cleaned area of the cover.
petroleum jelly or teflon spray to the sides of the cell
(4) Apply a layer of cement to the cleaned
case and press firmly into place with the polarity
side of the cover gasket.
symbols in the correct direction. Cells are connected in
(5) Position the cover gasket on the cover,
series (positive to negative). Using
with the cemented area of both cover and cover gasket
mating.
(6) Firmly press (by hand) the cover gasket in
place on the cover.
5-16
