TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 784 of 1275

TM 9-2350-311-20-1

a. Disassembly/Repair

Ensure MASTER switch is OFF when working on hull electrical system to avoid

electrical shocks and bums.

Disassemble wiring harness (para 2-13).

b. Assembly

Ensure MASTER switch is OFF when working on hull electrical system to avoid

electrical shocks and bums.

Assemble wiring harness (para 2-13).

8-55 POWER LEAD (M109A2/M109A3)

This task covers:

a. Disassembly/Repair

b. Assembly

M109A2/M109A3

Tools

General mechanic’s tool kit (item 64, Appx H)

Electrical tape — black (item 62, Appx D)

NOTE

•

For removal and installation of the power lead, notify support maintenance.

Ž

On vehicles with engine model 7083-7396, connector 5 is used for the flame heater

system. On vehicles with engine model 7083-7391, connector 5 is used for the

glow plug controller system.

8-139

WARNIN G

WARNING