TM 9-2350-256-34-12-15.1. AuxiliaryPower Unit and MainTA016193Figure 2-6. Auxiliary power unit-removal and installation (Sheet 3 of 3).b. Main Engine Fuel Pump. Refer to T MEngine Both Inoperable9-2350-256-20 for removal, installation and test ofIf the auxiliary power unit and main engine are bothinoperable, refer to TM 9-2350-256-20 for boom ele-vating instructions.WARNINGElevating the hoisting boom when both theauxiliary power unit and main engine are in-operable is a safety hazard and may cause in-jury to personnel.2-16. Powerplanta, Removal. Refer to TM 9-2350-256-20 for re-moval and installation instructions and for separatingthe transmission from the main engine.2-20Change 3the main fuel pump and the main engine fuel injectorpump.2-17. Controls and LinkagesRefer to TM 9-2350-256-20 for disassembly, repairand installation of the steer and shift, service brakeand accelerator controls and linkages.2-18. Left Rear Fuel Tanka. General. Before removing any fuel tank, drain orpump out tank to remove all fuel (TM9-2350-256-20). Leave tank vents or filler cap opento allow fuel vapors to escape.
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