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 TM 55-1905-219-14-3
Table 3-25. Generator Engine - No Fuel or Insufficient Fuel
Troubleshooting (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Faulty installation (Cont).
Step 2. Check for inoperative fuel return line - check lift valve.
Make sure that the check valve is installed in the line correctly; the arrow
should be on top of the valve assembly or pointing upward. If the valve is
inoperative, replace with a new valve assembly. Refer to paragraph 3-70.
Step 3. Check for high fuel return temperature.
Check the engine fuel spill-back temperature. The return fuel temperature must
be less than 150F (65.5 C) or a loss in horsepower will occur. This condition
may
be corrected by installing larger fuel lines or using the fuel oil heat exchanger.
3-102
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