ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-34WARNINGCompressed air used for cleaning and drying purposes can create airborne particlesthat may enter the eyes. Pressure shall not exceed 30 psig and use only with adequatechip guards and chipping goggles. Failure to observe this warning could result inservere personel injury.(1) Clean exterior surfaces with dry cleaning solvent (Federal Specification P-D-680) and dry withfiltered compressed air.(2) Flush interior of day tank with an approved solvent.(3) Inspect day tank assembly for cracked or broken welds, dents, and damaged threads.(4) Check interior of tank for scale formation and hardened sediment deposits.(5) Test for leaks as follows:(a) Plug all openings except one.(b) Install a fitting and attach a compressed air line to the unplugged opening.(c) Submerge day tank in a container of water and apply 5 psig air pressure.(d) Check for bubble formations which will indicate leakage.WARNINGSteam clean interior of day tank a minimum of two hours to dissipate residual fuelvapors before attempting to repair welds. Serious injury or death may result fromfailure to observe this warning. Failure to observe this warning could result in serverepersonel injury.(6) Repair cracked or broken welds and leaks by welding.(7) Repair damaged threads with a thread chaser.c. Installation. Refer to the Operator and Unit Maintenance Manual for day tank installation instructions.3-21. SECONDARY FUEL FILTER ASSEMBLY.Refer to the Operator and Unit Maintenance Manual for secondary fuel filter assembly maintenanceprocedures.3-22. FUEL INJECTION PUMP ASSEMBLY.a. General. The Roosa Master Fuel Injection Pump is mounted on the timing gear case and is gear driventhrough an idler gear arrangement by the crankcase gear. The end thrust of the fuel injection pump gear andshaft is controlled by a spring loaded thrust button located in the inspection cover on the timing gear housingcover. It is advisable when removing or installing the fuel injection pump that the gear housing inspection coverbe removed from the timing gear cover to relieve the spring tension of the thrust button. The fuel injection pumpattaching flange holes are elongated to permit accurate adjustment of the fuel pump timing.b. Removal.CAUTIONThoroughly clean the fuel injection pump prior to removal. Cap or plug all fittings andlines to prevent dirt from entering the pump and fuel system. Failure to observe thiscaution could result in equipment damage.3-47