TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 locking nuts and flat washers from right intercy- linder deflector hooks. Remove left deflectors and hooks and intercylinder deflector nuts and washers in the same manner. cl. Remove five ntercylinder deflector hoooks (fig. 3-61) and remove five right intercylincler de- flectors. Remove left intercylinder deflector hooks and deflectors in the same manner. D e. Loosen and remove fuel injector nozzles and holder assembLics as shown i n fig. 2 85. Remove and discard flat washers (gasket) (fig. 3-62) and !)rermed packing. NOTE In stubbo cases, when the nozzle is heavily carboned, remove the fuel inlet connector from the nozzle body and remove the nozzle body. Remove the nozzle retainer using wrench socket, Part No. 116l0171. Tu the shaft of puller assembly, Part No. 12275805 counter- clockwise to the end of the thread. Install puller over capnut and rest on nozzle insert. Turn puller shaft clockwise and engage capnut ueads until puller shaft bottoms. Using open end wrench, tu pulJer plain nut clockwise (fig. 2-85.1) to remove capnut and associated parts. 3-24. Camshaſt NOTE Both the lefL and right camshafts are re- moved in the same manner. For instruc- Figure3-CO. Remo+i110 or installing i11tercyli11der liead dectors an discom1ccti11g i11tcrcyli11der deflector hooks -1ight side. 3·34 Change 3 tional purposes, the right camshaft has been used for typical procedures. a. Remove twenty four machine bolts aml flat I washers under supports (1, fig. 3-63) attaching U l welve injector clamp supports (2) to valve adjust- ing screw access covers (3), remove supports and covers. Remove twenty four bolts and fiat washers (4) attaching twelve valve adjusting screw access covers to rocker arm covers and remove access covers. Remove and discard twenty m access cover plate gaskets (5). NOTE The cylinder and valve rocker �ll'm covers are machined as an ass embly. Each rocker arm cover must be kepL with its mating cylindel' to insure camshaft bear- ing alinement and running clearance. Identifying numbers are used to prevent mismatching of parts (fig. 3-64). b. Remove three capscrews (fig. 3-65) attaching right lifting eye to rocker arm cover a11d cylinder No. lR and remove three capscrews attaching each intercylinder hose flange to remaining covers a11d cylinders on right side of e ng i ne. Slide flanges and lifting eye away from rocker arm covc1·s and cylin- ders. NOTE fodel A VOS- L 790-2DR engines are not equipped with lifting eyes at cylinder Nos. lR and lL. Intercylinder hose flanges are used at these locations. Figure 3-61. licm i11g or installing rig/ii i111e1·cyli1lcr <l�ecto nd lwuh. ) ) )