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

TM 9-2320-279 -20-1

Troubleshooting Malfunctions (Cent)

TROUBLESHOOTING INSTRUCTIONS

2-15.

2-9. Troubleshooting (Cent)

Test or Inspection

Corrective Action

TANKER SYSTEM

I 1. TANK LEVEL INDICATOR GAGE DOES NOT REGISTER PROPER FUEL LEVEL

FUSE

FUSED

LEAD

TA1 87420

NOTE

From this point on, do not install junction box covers, gage covers, or operate tanker

1, sheets 3 and 4

until problem is solved and this manual says to do so. Refer to

for M978 Electric Diagram.

Step 6. Remove control junction box cover (para 7-49). Disconnect fuse holder and look for blown

fuse.

Replace blown fuse.

and APC AUXILIARY PUMP

Step 7. Remove fused lead from TLI TANK LEVEL

CONTROL switches. Check wire resistance.

If resistance is more than zero ohms between fuse holder and wire terminals,

replace fused lead.

switch. Disconnect connectors. Check

Step 8. Check for defective TLI TANK LEVEL

switch is in the ON position.

switch resistance when TLI TANK LEVEL

If resistance is more than zero ohms, replace defective TLI TANK LEVEL

switch (para 7-49), install TLI TANK LEVEL INDICATOR gage cover