TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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(3) Place a dab of grease, MIL-G-1)24, in each ball pket to facilitate keeping balls in proper lation during assembly. Install fan drive vertical shaft aem- bly in the fan drive hub. Pition fifteen cluth balls (fig. 3-61) and three clutch springs i n the fan drive hub. (4) Install a fan driven clutch disc (6, fig. 3-�), drive clutch disc (5), driven clutch disc (4), and a drive clutch disc (3) on clutch springs (12) in hub assembly (9), and install aembled clutch di hsing (2) and clutch flange (1). cure ambled disc housing and cluh flange to fan drive hub assembly with sixteen bolts (10) and insll lking wire. b. nt Driue Housi a Cover. (1) termine end play for fan drive gearshaft. Pition original shims (14, fig. 3-216) on end of inner bearing race (side oppite bearing trade ma rk) of lower driven geahaft ball bearing (13). Measure the total thickness of bearing race and shim, from shim on inner race upper face of our race, with end play removed. Thickness must from l. inch minimum 1.ĉ inch maximum. When total thickness is greater than 1.ĉ inch, s trip 0." inch · thick lamina- tions from shim pack until the correct thickns is - tained. When total thickness is less than 1.2 inch, add 0.2 inch thick shims ( stripped from a new shim pack Part No. Vࣅ5) as necsary. Figure 8·à il- lustrates shim lation and measuring poinʦ. LOWER DRIVEN GEARSHAfT BALL BEARING FRONT BEVEL GEARSHAFT BALL BEARING BEARING TRAOEMRK IN THIS POSITION FRONT FAN DRIVEN GEARSHAFT NOTE. ALL DIMEliSIONS GIVEN ARE l lCHES. TA021472 Figure 3-224. Determining ahim thickneSJ for fro111 Jon drille gearJliaft and drivert bevel geor1. TM 9-2815-220-34 (2) Pition shim ( fig. 3-á) of predetermined thickness (fig. 3-64) on inner race of lower driven gearshaft ball bearing (fig. 3-á) and ps fan driven eahafl into hall bearin. f'isure 3-225. PreSJin Jan driven seorsl1aft i1110 lower gearahaſt ll beoring. (3) Pition bearing spacer (fig. 3·â) on fan driven gearshaft and start upper gearshaft ball bear- ing on gearshaft and prs g haft into ball bearing. Secure upper gearshaft bearing on fan driven gearshaft with retaining ring (10, fig. 3-216). 3-131