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 333 of 1275

TM 9-2350-311 -20-1

(2) FUEL LEVEL INDICATOR (GAGE) SHOWS LEVEL

FOR UPPER FUEL TANK, BUT NOT FOR LOWER

FUEL TANK

Tools

Equipment Condltlon

. .

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

Engine access door. open (TM 9-2350-311-1 O)

Multimeters (item 36, Appx H)

Transmission access doors open (TM 9-2350-311-1 O)

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

Portable instrument panel cover removed (para 8-1 7)

(Long test leads may be needed for some tests;

Driver’s instrument panel cover removed (para 8-1 7)

16 AWG wire maybe used as an extension.)

Fuel tanks full (TM 9-2350-311-10)

A

1. Place FUEL GAGE switch in UPPER

2.

3.

4.

5.

6.

position.

Disconnect lead 29 from upper fuel tank

transmitter.

Turn MASTER switch ON and check FUEL

LEVEL gage for a reading.

If FUEL LEVEL gage shows a maximum

reading, place a jumper wire from lead 29 to

ground.

Check gage for reading.

Turn MASTER switch OFF.

Does FUEL LEVEL gage show minimum when

grounded and maximum when not grounded?

Replace upper fuel tank transmitter

(para 6-3).

I

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