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 240 of 1275

TM 9-2350-311-20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

k. MASTER WARNING LIGHT (PORTABLE

(2) MASTER WARNING LIGHT IS LIT; EVERYTHING

INSTRUMENT PANEL) CIRCUIT — CONTINUED

ELSE APPEARS NORMAL

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

Two

Multimeters (item 36, Appx H)

TA-1 probe kit (item 43, Appx H)

. .

Equipment Conditions

(Long test leads may be needed for some tests;

Transmission access doors open (TM 9-2350-311-10)

16 AWG wire may be used as an extension.)

Engine compartment access panel open

(TM 9-2350-311-10)

Replace transmission oil pressure

switch (para 8-1 3).

Replace transmission oil high

temperature switch (para 8-1 2).

CONTINUED ON NEXT PAGE

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