TM 11-6140-203-14-4&P
battery, refer to the manual covering the self- propelled in
3-2. Checking Unpacked Equipment
Towel Vulcan systems.
In addition, observe the
following:
a. Inspect the equipment for damages incurred
a. Securing Battery in Position. When installing the
during shipment. If the equipment has been damaged
battery in its position to power the Vulcan system, see
that all electrical connections are made secure. Leads to
b. Check to see that the equipment is complete as
the battery should be of sufficient size to carry the
listed on the packing slip. Report all discrepancies in
maximum current. The battery should be secured by
accordance with procedures given in TM 38-750.
holddowns.
Shortages of a minor assembly or part that does not
b. Venting of Gases During the charging cycle,
affect proper functioning of the equipment should not
some hydrogen and oxygen gases are evolved. When
prevent use of the equipment.
the battery is installed in a confined location, provide
NOTE
some means of ventilation from this confined area to
New batteries are prepared for service by direct
avoid accidental ignition of the hydrogen. Always charge
support, general support, or depot maintenance
with cover removed if possible. Cover vents must always
personnel only.
be left open except during fording operations.
c. Prepare the new battery for service as given in
3-5. Emergency Procedures
3-3. Battery Service Record-Format
Alkaline or nickel-cadmium batteries may experience an
overheated condition resulting from internal shorting or
a. Record Format. When placing a battery in
thermal runaway. The overheated battery presents a
service for the first time, prepare and use the for- mat, in
hazardous condition to equipment, vehicle, and
duplicate, similar to that shown in DD Form 314
personnel. When an overheated battery is detected, turn
(Preventive Maintenance Schedule and Record (Card) of
off charging source, disconnect all three battery
TM 38-750 to provide a record of each individual battery.
connectors and wait for battery to cool. Emergency
The record will serve as a verification of maintenance
personnel should open the battery compartment, check
accomplished.
for the following conditions and then take the action
indicated. a If flame is present, use the available
b. Recording Procedure.
extinguishing agent.
b. If no flame is present, but smoke, fumes or
(1) Affix one copy of the record to the battery
electrolyte is being emitted from the battery or vent
immediately after formation of the battery at direct
tubes, use water spray to lower the battery temperature.
support.
c If no flame or fire is present, and smoke,
(2) File the duplicate copy of the record at the
hydrogen/oxygen gas or electrolyte is not being emitted
direct support shop that accomplished the formation of
from the battery or vent tubes, ventilate the battery
the battery.
compartment.
(3) Entries are to be made on the copy mounted
WARNING
on the battery by organizational Shop personnel as
CO2 is an acceptable fire extinguishing agent
necessary.
once a fire has developed. In no case should
(4) Make entries on the direct support file copy
C02 be directed into a battery compartment to
everytime the battery is in direct support shop for service.
effect cooling or displace explosive gases. The
(5) Make cross entries (direct support per-
sonnel), as necessary, to update on each file copy of the
the
extinguisher
could
explode
the
battery record. When records are filed, start a new copy.
hydrogen/oxygen gases trapped in the battery
Direct support personnel should remove old record from
compartment.
battery and affix current record to battery. Direct support
personnel should retain all duplicate copies in their file.
d. Following the visual check and the action indicated
above, emergency personnel should disconnect and
3-4. Installation of Nickel-Cadmium Battery, BB-
remove the battery.
Additional cooling may be
693A/U
accomplished with water spray.
NOTE
Place into service only batteries that have been
prepared for service by a qualified battery
service facility.
For installation procedures of the nickel-cadmium
3-3