TM-9-2350-358-BD

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE

MARCH 1994

TM-9-2350-358-BD - Page 274 of 343

TM 9-2350-358-BD

13-7.

RADIO MOUNT FIELD EXPEDIENT REPAIR - CONTINUED

7.

Turn MASTER power switch ON.

8.

Measure voltage on W26 (P2) (power cable) at terminals A (negative) and B (positive).

Voltage should be

between 22 and 30 V dc.

9.

Turn MASTER power switch OFF.

10.

Attach radio receptacle plug to radio.

11.

Strap or tie down radio to prevent falling.

12.

Make sure radio is grounded by connecting a wire from a screw on the radio to any convenient screw or bolt on

the vehicle.

13.

Turn MASTER power switch and radio ON Check radio for power operation.

14.

Record BDAR action taken.

When mission is complete, as soon as practical, repair the equipment/system using

standard maintenance procedures.

13-8.

ANTENNA, DAMAGED OR MISSING

General Information:

This procedure provides instructions for repairing or constructing antennas for receiving and transmitting over the radio.

CAUTION

Field repaired antennas are fragile and will not take much abuse.

The continued use of field

repaired antennas may result in damage to receiver/transmitters.

Option 1:

Using WD-1/TT.

Limitations:

Slight reduction in reception and transmission range.

Personnel/Time Required:

•

2 soldiers

•

0.3 hour

Materials/Tools:

•

Cable, telephone, WD-1/TT, 10 feet length (scavenge from available source)

•

Plug, wooden (scavenge from available source)

•

Pole, wooden or stick, 10 feet length (scavenge from available source)

•

String or rope (scavenge from available source)

•

Tape, insulation, electrical (item 63, Appendix C)

13-6