TM 9-2320-289-2010-32. HEATER FUEL PUMP REPLACEMENT (M1010) (Con’t).NOTETrucks equipped with winterization kits will have an engine coolant heaterfuel line (2) at fitting (1) instead of cap (14) and gasket (13).6.install new gasket (13) and cap (14) to fitting (1) if removed.7.Install 2 fittings (1 and 15) to heater fuel pump (5) if removed.8.Connect intake pipe (16) and output pipe (3) to 2 fittings (1 and 15) by tightening 2 nuts (4).FOLLOW-ON TASKS:• Connect both battery negative cables. (See paragraph 4-38)• Check operation of heater fuel pump.• Check for leaks.10-121
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