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 213 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP K

switch lead (para 8-70) .

Repair or replace lead 486 of flame heater

Repair or replace lead 486 of engine

disconnect-to-bulkhead wiring harness

(para 8-45, M109A2/M109A3; para 8-46,

M109A4/M109A5).

CONTINUED FROM STEP D

1. Disconnect lead 486A from fuel solenoid.

2. Place red lead of multimeter in lead 486A

and black lead to ground.

3. Turn MASTER and FLAME HEATER

switches ON and check for voltage.

4. Turn MASTER and FLAME HEATER

switches OFF.

is voltage present?

Replace fuel solenoid (para 5-11).

CONTINUED ON NEXT PAGE

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