TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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Figul'c-46. Re111ut'i1t u,. i11sta/li 11yji1el i11jcc1or 11"zlcJi1cl tube co1111cctol' I/Cl specinl bolt, cyli11dcr No.//,. b. Remove special bo!L aLLaching fuel tube con- nector (lig. 346) to non.le and holder in cylinder No. 11. and remove connector. Remove and discard gaskets. c. Remove special bolt attaching fuel tube elbow connecLor (fig. 3-·17) Lo nozzle and holder in cylinder no. lR, 6R, and GL and remove elbow connectors. TM 9-2815-220-34 Figure 3·4 7. Removing 01· i11stalli g fuel i 11jector •ionic, fuel tube elbow a11d tee co1111ector, a11d s11ecial bolts. Remove eighl special bolts aLtathing fuel tulJe tee connectors to nozzle and holdel' and remove eighL tee connectors. Remove and discard gaskets. d. Remove eighteen self-locking nuts and � machine bolts (1, fig. 348) and associated plates and clamps from fuel injector tube clamp brackets (2). Remove twelve self-locking nuts and machine bolts (3) and associated plates and clamps from fuel injector tubes. Remove two self- locking bolts (4) and remove plate and clamps from fuel injector tube clamp bracket. Remove twenty self-lock- ing nuts and machine bolts (5) and remove twelve plates and lwenty tube clamps from right and left fuel injector tube clamp supports (6). Remove twelve self-locking nuts (7) and remove six tube clamp supports (2) from front and rear fan towers. d. I Deleted e. Loosen support nuts and disconnect 12 fuel injector tubes (8) from injector nozzle and holder assemblies. Disconnect six fuel injector tubes from fuel injection pump front hyclraulic head (I 0) am! individually remove tubes. Disconnect six fuel injector tubes from fuef injection pump rear hydraulic head and individually remove tubes. After tubes have been removed, plug all fuel injection pump hydraulic head fuel ports lo pre- vent en trance of dirt. Change 3 3·25