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 llO IE. SAVE SlttM, POS!rtO:IEO OE T/E l l O(AfllllG MIO G(Ar!SllAFT. ron ASS( lBL Y Fis11r+ 317. Rem fan drive +el gearlhl ball bearing•. (7) Straighten tab on key washer (87, fig. 8·216) and remove bolt (36), washer, and lk plate (X) securing fan driven gearshaft assembly in front fan drive housing (2), and discard washer. Remove assem- bled fan driven gearshaft, lower driven gearshaft ball bearing, and bearing spacer. (8) Remove retaining ring (10) securing gearshaft bearing (11) on fan driven bevel gearshaft (16). Press fan driven gearshaft from gearshaft ball bearing (fig. 8·218) and remove spacer (12, fig. 3-216) and press fan driven gearshaft (fig. 3·219) from gearshaft inner ball bearing (13, fig. 3·216). Remove and retain shims (14, fig. 3-216), positioned between gearshaft and ball bearing f o r assembly. b. Clutch Aembly. (1) Cut lking wire and remove sixteen bolts (10, fig. 8·Ü) attaching fan drive hub (9) to assembled 3·128 P1ESS f All fll\'l ': (RSllM T me• Cl,\RSllM r OLl BEAlllli Fige 3.18. Preuing fan driven geaafl from upper geor-ſt ll aring. NOH. IE SHIPS POSITIOEO 3£T+C £11 OEARSll.\fT BALL OEARt: f ASSBLY Fige 319. Preuing n driven geor-fl from ler drivert gear1hof t ll beorin s. clutch flange (1). Remove assembled clutch flange and disc housing (2). Remove two fan drive clutch discs (8 and 6) and two fan driven clutch discs (4 and 6). )