TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 4-40. FUEL INJECTOR ASSEMBLY REPAIR (Cont) b. Cleaning ● Dry cleaning goggles and contact with WARNING solvent P-D-680 is toxic and flammable. gloves and use only in a well-ventilated Wear protective area. Avoid 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). Wash all parts with cleaning solvent and dry with clean, filtered compressed air. Use lint free towels to wipe off parts. Clean out passages, drilled holes and slots in all injector parts. (1) Injector spray tip (a) Soak spray tip in cleaning solvent to loosen carbon. CAUTION Do not contact needle valve seat with carbon removing tool during spray could (b) (c) tip insertion or-valve seat be damaged. Insert carbon removing tool (26) and clean. Clean spray tip orifices with pin vise (27) and cleaning wire (28). CAUTION Do not buff spray tip area excessively. Do not use a steel wire buffing wheel or spray tip holes may be distorted. (d) Clean exterior of spray tip with brass wire buffing wheel. 4-224