TM-9-2350-273-BD
M48/M60 SERIES TANK, COMBAT FULL-TRACKED 105-MM GUN
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; BATTLEFIELD DAMAGE ASSESSMENT AND REPAIR
TM-9-2350-273-BD - Page 166 of 288
TM 9-2350-273-BD
COMMUNICATIONS
SYSTEM
Detailed Assessment Steps (Cont'd)
a. If communications are adequate on the alternate frequency, go to step 6.
b. If there are no communications on the alternate frequency, go to step 5.
5. Check the transmitter for normal operation by attempting to communicate with
another nearby station.
a. If there is no output or if the output is low, then go to step 10.
b. If the output power is within acceptable limits, go to step 6.
6.
Ensure the antenna tuning circuits located in the antenna matching unit by
having someone listen for the sound of relays operating when the frequency is changed.
a.
If the sound of relays operating is not heard, manually tune the MX-6707
to the proper frequency.
b.
If the sound of relays operating is heard, then go to step 7.
7.
Make sure the antenna elements are tightly screwed together by turning off
the transmitter and retightening the antenna sections.
8.
Ensure that the antenna coax cable connectors are tight.
9.
Inspect the coax cable for breaks or torn insulation.
a.
If a defective cable is found, follow these procedures:
(1) Replace the defective cable in accordance with standard repair
procedures.
(2) Replace the defective cable with an acceptable replacement cable
listed in para 11-34.
(3) Repair the cable in accordance with the procedures in para. 11-29.
b.
If a defective cable is not found, then follow the procedures indicated in
step 10.
10. Replace the radio with a known operational radio. Operate radio.
a.
If communication has been restored, repair the radio in accordance with
standard maintenance procedures.
b.
If the problem still exists,
refer to the troubleshooting procedures in
TM 11-5820-401-12.
11-11
Back to Top
