TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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I Fud i11;,•1·t1u11 pumµ driw ,·ouplin fd,·nlifknlion 111;1rks :I lad1i11e boll. lo�kwaher :11111 lock plill I lo11nti11� bolt nml wahcr 5 loutllin holt and waher \i F111·I in j ection pump Figure J-56. Remu11i119 1>1' i11stalli11gf11el i11jectio11 pump. pli ng sleeve s. Remove four machine bolls, lockwashers and lock plates (3) and separate cou- pling sleeves. NOTE The fuel injection pump coupling sleeves and hubs musl lie idcntilied with idenlifi- calion marks to prevent mismating of pm'Ls. The sleeves and hubs arc matched for each assembly and must not be inter- changed between assemblies. IJ. Cut locking wire and remove lhree injector pump mounting bolts and plain washers (4). Loosen mounting bolt (5) until threads are free. Boll cannol be removed until fuel injection pump (G) is removed from engine. Remove pump from mounting base and remove bolt and plain washer (5) from pump. 3-23. Shrouds, Cylinder Deflectors, and Nozzle Holder Assemblies a. Remove two machine screws (fig. 3-57) and 1·emove lower righl camshaft shroud. Remove ma- chi ne sc1·ew and remove upper right camshaft sh1·ou<I. Remove left shrouds in the same manner. b. Remove machine screw (fig. 3-58) from lower right engine shroud. Remove two machine screws (fig. 3-59) and remove base shroud and lower right rear shroud. Remove machine screw, lockwasher and spring clip from c..ankcase. Remove left lower shroud, base shroud and clip in the same manner. c. Remove five self-locking nuts and washers (fig. 3-60) from hooks and remove five intcrcyli ndcr cy- linder head denectors and hooks. Remove five self- TM 9-2815-220-34 1''igun- .1.:1. Rc111111'i11u ,,,. i11.�/<1lli119 c<1111sllaJI d11•e 11ro11ds - 1·iyhl x1dr. 1"igure ./-. /Ji+1'1J11111•di11u 111· <:111111rcti11g lo1rr1· l'iyltt cngi Ill' s/1 ru11cl. 1',igurc 3.59, Remo+i11y or i11st<1lli119 lower right c11gi11e sllmml cd busc �ltrÁ11. Change 2 3-33