Quantcast Inspection - TM-9-2815-247-34_219

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TM 9--2815--247--34 0036 00--10 FUEL INJECTOR NOZZLE AND HOLDER REPAIR -- CONTINUED 0036 00 Inspection 1.   Inspect seat of nozzle valve (27) for evidence of wear, distortion due to pounding, discoloration due to overheat- ing, and pitting. 2.   Inspect the valve stem of nozzle valve (27) for scratches and discoloration. 3.   Check the fit of nozzle valve (27) in nozzle body (28) by lifting the valve about one--third of its length out of the body. The valve should slide back to its seat without aid when the nozzle tip (26) is held at a 45--degree angle. 4.   Inspect eight spray orifices in the nozzle tip (26) and the drilled passage for freedom of obstructions. 5.   Inspect lapped sealing surfaces of nozzle body (28) for cracks, scratches, discoloration, wear, pitting and evi- dence of pounding. 6.   Inspect the lapped sealing surfaces on the ends of the spacer (11) for scratches, discoloration, and cracks. 7.   Inspect the area around the center hole on nozzle end of spacer (11) for evidence of wear and pounding by the nozzle body (28). Maximum allowable depth of wear or distortion due to pounding at this area is 0.003 inch (.0762 mm). Figure 34 11 27 28 26


 


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