TM 11-6625-2631-14
GENERAL SUPPORT MAINTENANCE
S e c t i o n I. MAINTENANCE PROCEDURES
a.
Mutltimeter AN/ USM-223.
b.
Power Supply PP-3940 / G or equivalent
General support shops are responsible for all
c.
Tool Kit, Electronic Equipment TK-100 / G.
m a i n t e n a n c e procedures on the test act. These
d.
Test batteries, one each of the following:
procedure are listed below, together with
(1) K 3 0 8 A battery.
reference to paragraphs covering the specific
(2) A N / PRC-63 battery.
maintenance functions. Refer to paragraph 6-2 for
(3) A N / PRC-90 battery ( B A - 1 5 6 8 / U ) .
a listing of required tools and test equipment.
(4) SDU-5 / E battery.
(5) A N / URC-1O battery.
(6) A N / U R T - 2 1 b a t t e r y .
a. New batteries must be treed for these
dynamic
checks of test set operation.
b. Designate for repair any teat set that
fails to
p r o v i d e test indications consistent with
battery
R e q u i r e d for GS Maintenance
condition.
All test equipment, tools, and materials required to
c. Perform the operational tests given in
perform the testing procedure given in this section
1.
are listed below.
NOTE
Test only one battery at a time.
Normal indication
Test equipment
Procedure
Greater than .80 meter reading.
connector.
Greater than .80 meter reading.
Connect battery to URC-10 test
URC-l0 battery
connector.
Greater than .80 meter reading.
Insert battery into K308A receptacle
K308A battery
and seat firmly.
Greater than .80 meter reading.
Connect battery to PRC-63 test
PRC-63 battery
connector.
Greater than .80 meter reading.
PRC-90 battery
Connect battery to URT-21 test
connector via Battery Teat Adapter
MX-8801 / PRC-90.
Greater than .80 meter reading.
Insert battery into SDU-5 / E
SDU-5 / E battery
receptacle and screw firmly into
place.
Section II. TROUBLESHOOTING,
ALIGNMENT, REPAIR, REMOVAL,
AND REPLACEMENT
6 - 4 . Troubleshooting
normal indications listed in table 6-1, operational
tests. These failures can be used as a diagnostic aid
The trobleshooting procedure given in table 6-2
t o determine which components are defective.
are based on the failure of the teat eat to provide the
