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 782 of 1275

TM 9-2350-311-20-1

a. Removal

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

electrical shocks and bums.

Remove accessory control box wiring harness (para 8-20).

b. Installation

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

electrical shocks and bums.

Install accessory control box wiring harness (para 8-20).

NOTE

FOLLOW-ON MAINTENANCE:

Connect batteries (para 8-28)

8-54 POWER LEAD WIRING HARNESS (M109A2)

This task covers:

a. Disassembly/Repair

b. Assembly

M109A2

T

O O

I

S

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

Electrical tape — black (item 62, Appx D)

NOTE

Ž

For removal and installation of the power lead wiring harness, notify support

maintenance.

•

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 system.

8-137

WARNIN G

WARNIN G