Removal. - TM-9-6115-464-34

Section VI MAINTENANCE OF INTAKE AND EXHAUST SYSTEMS AND BREATHER

TM-9-6115-464-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 15 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-464-34 AIR FORCE TO 35C2-3-445-2 NAVY NAVFAC P-8-624-34 h. The connecting rods are heavy alloy steel forgings with precision type bearings for the crankshaft and bronze bushings for the full floating piston pin. The pistons are made of aluminum and are the solid type (no saw slots or splits in the skirt). Each piston is fitted with five rings. The top three rings are compression type and the fourth ring from the top is an oil control ring. The fifth ring is an oil scrapper ring. i. The cylinder block and crankcase are cast as a single unit giving ridged support for the crankshaft. Cooling is obtained by water jacketing the entire length of the block. When installed in the generator set, the block is supported by the front engine support with rear support supplied through ridged coupling to the generator assembly housing. 3-49. ENGINE FRONT SUPPORT. a. Removal. NOTE If engine is not removed from the generator set, block the front of the engine prior to removing the front engine support. (1) Remove nut (1, figure 3-41), Iockwasher (2), ring (3), and crankshaft (4). (2) Remove front engine support from crankshaft by removing bolt and Iockwasher. b. Cleaning, Inspection, and Repair. WARNING Solvent, Dry Cleaning P-D-880, Type H is flammable and moderately toxic to skin, eyes and respiratory tract. Eye and skin protection required. Good general ventilation is normally adequate. Failure to observe this warning could result in servere personal injury or death. (1) (2) (3) (4) (5) (6) WARNING Compressed air used for cleaning and drying purposes can create airborne particles that may enter the eyes. Pressure shall not exceed 30 psig and use only with adequate chip guards and chipping goggles. Failure to observe this warning could result in servere personal injury or death. Clean all parts in a dry cleaning solvent (Federal Specification P-D-880) and dry thoroughly with filtered compressed air. Remove caked grease deposits with a stiff bristle brush. Inspect engine front support for cracks, corrosion, and excessive wear. Check inner surfaces for scores, ridging, and other damage. Check crankshaft pulley for corrosion, cracks, and step wear in v-belt groove. Check all threads for crossing, stripping, and peening. Repair minor thread damage with a thread chaser. Replace any parts damaged beyond repair. c. Installation. (1) Install lockwasher (7, figure 3-41), bolt (6), to crankshaft to install engine front support (5) (2) Install crankshaft (4), ring (3), Iockwaser (2) and nut (1). 3-101

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