TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
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TM 9-2815-210-34-2-2 d. Inspection and Repair. FRAME 1 1. 2. 3* 4. 5. 6. 7. 8. 9. Check that nozzle spring (1) has no cracks and wear. If spring is cracked or worn, get a new one. Using straight edge and strong light, check spindle (2) in at least two posi- tions 90° apart for straightness. If spindle is not straight, get a new one. Check that fuel passage (3) of nozzle holder body (4) has no sludge, gum or other obstructing matter. Get a new nozzle holder body if fuel passage is dirty or clogged. Check that nozzle holder body (4) has no damaged threads at three locations (5). Fix threads which have minor damage with a tap and chaser. If threads have major damage, get new nozzle holder body. Check that nozzle holder body (4) has no loose or damaged locating dowel pins (6). If dowel pins are loose or damaged, get new nozzle holder body. Check that seat of valve (7) and nozzle body (8) has no pitting, discoloration due to overheating, distortion or any other damage. If pitted, distorted or worn, get a new valve. If valve seat is pitted, distorted or worn, get new nozzle body. Lap valve in nozzle body to take out minor discolorations. If either part has major discoloration, get new valve or nozzle body. Check fit of valve (7) in nozzle body (8). If valve does not slide freely to valve seat of nozzle body (8), lap on a lapping plate or polish to take out minor defects. If defects are not taken out by lapping and polishing, get new valve and nozzle body. Check that nozzle body (8) has no blocked spray holes. If blockage cannot be taken out from spray holes, get new nozzle body. Check that nozzle capnut (9) has no damaged threads. Fix threads which have minor damage with a tap or chaser. If damage cannot be fixed, get new nozzle capnut. GO TO FRAME 2 4-409