TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 (2) Injector body (a) (b) Clean and brush all passages in injector body using fuel hole cleaning brush and rack hole cleaning brush. Ream injector body ring using reamer (29). Insert reamer in body and turn in clockwise direction a few turns. Then remove reamer and check face of ring for reamer contact. Repeat operation until reamer makes contact with entire face of ring. Clean opposite side of ring in same manner. (3) Injector nut (a) Using injector nut reamer (30), turn clockwise to remove carbon deposits from lower end of nut. CAUTION ● ● Carbon deposits on spray tip seating surfaces of injector nut will cause poor seating and may result in fuel leakage around spray tip. (b) Using injector nut reamer (31), . turn clockwise to remove carbon deposits from bottom of tip seat to produce a clean uniform seat for spray tip. Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or excessive heat. The flash point is 100 o F-138°F (38 o -50 o C). If you become dizzy while using cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is made, wash your eyes with water and get medical aid immediately. Compressed air used for cleaning purposes will not exceed 30 psi. Use only with effective chip guarding - and personal protective equipment (goggles/shield, gloves, etc). (c) Wash nut in clean solvent and blow dry. (d) If necessary, repeat steps (a thru c) until all carbon is removed. 4-225