TM 11-6140-203-14-4&P
Table 5-2. Troubleshooting-Continued
Condition
Probable trouble
Corrective action
Overheating or burn marks on
Loose Terminals links
Clean links and terminals, then tighten
terminal links.
links to correct torque (para 4-17c) as
necessary.
Electrolyte leakage
a. Defective cell or cells.
a. Replace defective cells as necessary.
b. Replace defective O-ring (para 4-17b).
c. Replace defective vent valve.
b. Defective o-ring.
d. Replace defective vent cap (para 4-17a)
c. Defective vent valve.
d. Defective vent cap.
Battery does not provide rated
a. Battery not fully charged.
a. Charge battery (para 5-4f).
capacity.
b. Defective cell or cells.
b. Replace defective cells as
necessary.
c. Reinstalled cell correctly.
c. Cell installed in reverse polarity.
d. Clean links and terminals, then tighten
d. loose terminal links
link to correct torque (para 4-17c)
Open circuit terminal voltage
Loose or missing terminal links
Clean links and terminals, then tighten link
reading is zero.
to correct torque (para 4-17c) as
necessary.
Electrical leakage.
a. Defective cell or cells.
Replace defective cells as necessary.
b. Electrolyte leakage.
b. Replace defective O-ring, vent valve,
fillercap (para 4-17).
If a cell puller cannot be fabricated as
5-8.
Disassembly
shown in figure 5-6, screw a stud of the
A complete disassembly of the battery is required for any
appropriate size into each cell terminal.
of the following defects
Defective cells, electrical
Grasp these studs with pliers and lift the
leakage, defective heater assembly, or defective battery
cell straight up.
case. Disassemble the battery, as given in a through e
d. Remove liners from the battery case and inspect
below.
the interior of the case for peeling or chipping of paint or
a Discharge the battery as given in paragraph 5-
corrosion.
6c.
e. Remove the battery terminal connector or
b. After completely discharging the battery, remove
receptacle as follows: (1) Remove screws and washers
all terminal links by removing their crews and associated
that hold the connector receptacle to the battery case.
washers
(2) Remove the battery terminal connector or
c Remove all cells from the battery cam follows:
receptacle.
(1) Loosen all fillercaps to relieve any internal
CAUTION
pressure.
Be careful when removing the gaskets
(2) Fabricate a cell puller by using two
from the battery case. Do not allow the
terminal links bent at right ages and appropriate no
conductive heavy cord or fat web material as shown in
scrapper to gouge the battery case.
(3) For connectors or receptacles having
damaged gaskets, remove the gaskets by scraping or
NOTES
peeling the gasket from the battery case. For batteries
Do not use wire or other conductive
having liners or cover gaskets, remove liners and cover
material Use the cell terminal screws
gaskets by scraping or peeling.
and washers to secure the cell puller to
CAUTION
the cell terminals and carefully work
Do not charge cells outside of batter
each cell out of the battery case starting
case or unsupported since they will swell
with the cell that is approximately in the
and prevent reassembly.
center position.
5-14
