TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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obtained. When total thickness is less than 0.7891 inch, add 0." inch thick shims (stripped from a new shim pack as necessary). REAR FAN DRIVE BEVEL GEARSHAFT BEARING TRADEMARK --, 1.ms r.a;. 1.2655 !.:AX. _L NOTE. ALL DIMENSIONS SllOVIN ARE IN INCHES. · BEARIN G TRADEMARK -I I- - I -1 REAR FAN DRIVEN GEARSHAFT NOTE: ALL DIMENSIONS SHOWN ARE IN INCHES. I I i. _ _ 0.7891 MIN. 0.7911 l.IAX. TA021794 igure 3·253. l)eter111i11i11 s/1i111 tliick1wss for rear fa11 drfre11 bevel scarslwft 1111d rcor faro driue gcorsl1oſt . (3) Position shim (9, fig. 3-70) of predetermined thickness (fig. 3-ý) over bearing hub of rear fan drive bevel gearshaft (8, fig. 3-70) and p�ess rear fan drive bevel gearshaft ball bearing (10) on gearshaft. Install bearing support (11) on ball bearing and install assem- bled fan drive bevel gearshaft on injection pump ad- vance assembly. (4) Pition fuel injection pump gcarshaft (fig. 3-þ) in an arbor press, and position bearing spacer with chamfer up (toward threaded end of shaft). Press ball bearing on gearshaft using pipe of a suitable size as an improvised pressing arbor. BALL BEAlNG TM 9-2815·220-34 Fis11rn 3.z1. l'rc�i11g driiu111 gcorsl1aſt ball bcal'i11g 011 spur carsl1aſt. (5) Install f uel injeclion pump driven gcar- shaft needle bearing (6, ng. 3-231) i n rear n drive housing (4) nc l secure wth retaining ring (7). Insta ll fuel injection pump gcarshaft oil seal (8) in r ear fan drive housing (4). Ins tall fuel injection I pump gearshafl (SO) with bearing (52) in rear fan drive housing (4). · Change 3 3-153