TB 11-6135-200-25
b. Under unusual circumstances, or emergency
to prevent accidental activation of the battery through
stray electrical charges. Batteries should be stored in
conditions, batteries may be used beyond the stated
the original packing whenever possible and should be
shelf/service life, when so directed by CECOM or
stored away from flammable materials.
MICOM. This normally will be done when replacement
b. Shipping. The original shipping cartons, crates
batteries are not available and the batteries are required
to maintain the missile in ready condition. These
and packing materials should be saved for future use
batteries must then be replaced as soon as the
whenever possible when the batteries are unpacked.
replacement batteries are made available.
When replacing overaged or unserviceable batteries, the
c. Overaged batteries do not require serviceability
carton and crate from the new battery may be used to
testing before disposition.
pack the old battery. If the original packing materials are
not available, pack the battery with 1-inch thick
2-5. Storage and Shipping
cushioning material, specification PPP-C-1120 (NSN
a. Storage. Batteries that are to be stored for any
8135-00-2929789) around the sides, ends, top and
bottom of the battery. Pack the cushioned battery in a
period of time should be kept indoors, protected from the
corrugated fiberboard box. Overpack the box in a
weather and stored at a cool temperature, preferably
wooded packing crate, cushioning all sides with cellulosic
between 50 and 70 F. Be certain the connector cap
cushioning material, specification PP-C-843 (NSN 8135-
NSN 5935-00-921-5061 (for BA-472C/U or BA-472D/U),
00-183-8823) to make a tight pack. The battery may
or mating plug NSN 5935-00-539-2230 (BA-485A/U or
then be shipped by best available transport.
BA485B/U) are in place, and insure mating connector
NSN 5935-00-539-2230, P544 pins C & E are shorted
NOTE
(BA485/U). These batteries should never be stored or
Upon receipt and installation of the
shipped without the protective cap or plug in place. If
new batteries BA-472/U and BA485/U,
none are available, wad heavy aluminum foil and pack it
the protective cap NSN 5935-00-921-
into the connector cavity so that the connector pins are
5061) or mating plug (NSN 5935-
shorted out. (Pins I and J for the BA-472C/U and BA-
00539-2230) shall be mated to the old
472D/U, and pins C and E for the BA-485A/U and BA-
batteries being returned.
485B/U), these pins must always be shorted when the
battery is not TB 11-6135-200-25 installed in a missile,
SECTION III
SERVICEABILITY TESTS
the inventory manager for reissue.
If any of the
3-1. Temperature Test Chamber
conditions are not met, the battery must be considered
Serviceability testing of the BA-472C/U, BA-472D/U, BA-
as unserviceable.
For disposition of unserviceable
485A/U and BA-485B/U involves testing the heater
batteries, refer to paragraph 3-4. Serviceability tests
blanket and thermostats within the battery. Accurate
should be run on all new or off-the-shelf batteries before
measurements must be made of the temperatures at
they are installed in missiles, on all batteries in missiles
which the thermostats operate to turn the heaters on and
during regular missile teardown, and on all batteries
off.
This test requires the use of a controlled
turned in for any reason, if they have not exceeded their
temperature chamber and an accurate thermometer or
shelf/service life. Inventory stock does not require
other heatsensing device. An acceptable insulated
testing until time of actual use.
chamber may be fabricated from a cardboard carton and
the horsehair packing material that came with the
CAUTION
battery. Use masking tape to hold the pieces together
If the TS-352B/U is used in the
and to hold the thermometer in place. The fabrication of
following procedure instead of the
a chamber for the BA-472C/U or BA-472D/U is shown in
AN/USM-223, be extremely careful in
figure 3-1. A similar chamber may be fabricated for the
making resistance measurements.
BA-485A/U or BA-485B/U, using the packing materials
The electric match in the battery can
supplied with those batteries. For best heat sensing, be
be damaged or destroyed if the
certain that the thermometer comes in direct contact with
ohmmeter leads are placed across
the battery case.
pins I and J.
3-2. Serviceability Tests for Battery, Wet Primary
NOTE
BA-472C/U, BA-472D/U and BA-472E/U
Perform the following tests only in
When a Battery, Wet Primary BA-472C/U, BA-472D/U,
the order given. Do not vary the
or BA-472E/U which is not overaged, is turned in to
sequence or attempt to perform any
direct support maintenance for testing, it must be tested
part of the test out of sequence or
by the procedure in a through s below to determine
independently of the procedure.
whether the battery is serviceable or unserviceable.
Serviceable batteries can be reinstalled or turned over to
9
