TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL-continued

TM 9-2320-279 -20-1

Troubleshooting Malfunctions (Cent)

2-15. TROUBLESHOOTING INSTRUCTIONS

]

2-9. Troubleshooting (Cent)

Malfunction

Test or Inspection

Corrective Action

TANKER SYSTEM

TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL

NOTE

From this point on, the tests for Model A (plastic sensor) and Model B (brass sensor)

are different. Do steps 13 through 16 for Model A and steps 17 and 18 for Model B.

MALE

FEMALE

SOCKET

PIN

PHOTOTRANSISTOR

CONNECTOR

FEMALE

RED WIRE

PIN

Step 13. Connect batteries (para 7-91). Check for defective TLI TANK LEVEL INDICATOR adjuster.

Disconnect red wire connector. Disconnect phototransistor connector (male socket and

female pin). Set TLI TANK LEVEL INDICATOR switch to ON. Check for 1.2 to

each female pin, using red wire as ground.

If voltage is lower than 1.2vdc or higher than 8

replace tank level indicator

adjuster

7-87) and install main junction box cover (para 7-47).