TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL.

TM 9-2320-279 -20-1

Troubleshooting Malfunctions (Cent)

2-9. Troubleshooting (Cent)

Test or Inspection

Corrective Action

TANKER SYSTEM

Il.

TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL.

Step 1. Check for jammed needle on TLI TANK LEVEL

gage.

dial face with hand.

Replace jammed TLI TANK LEVEL INDICATOR gage (para 7-86).

NOTE

The

tanker may be equipped with one of two types of fuel level sensors.

One

Each particular type of sensor has its own unique tank level indicator

type, Model A, has a plastic fuel level sensor while the other type, Model B, has a

brass fuel level sensor. Refer to TM 9-2320-279-34P for correct ordering

instructions.

manhole must be closed when testing Model A tank level indicator.

Model A fuel level sensor has phototransistors that are affected by light.

. Fuel level sensor will sometimes not read foamy fuel levels.

Step 2. Check for foamy fuel in tank. Open manhole (TM 9-2320-279-10).

Wait until foam settles before going further.

Step 3. Check for broken fuel level sensor in tank.

Replace broken fuel level sensor (para 7-88).