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 211 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP H

2.

3.

4.

5.

Reconnect powerplant wiring harness to

flame heater disconnect.

Disconnect FLAME HEATER switch lead

(lead 486) from bulkhead-to-portable

instrument panel wiring harness.

Place red lead of multimeters on lead 486 and

black lead to ground.

Turn MASTER and FLAME HEATER

switches ON and check for voltage.

Turn MASTER and FLAME HEATER

switches OFF.

I

Is voltage present?

Reconnect powerplant wiring

harness and go to step Q.

CONTINUED ON NEXT PAGE

3-111