TM 9-2350-261-20-2R E P L A C E F A N D R I V E P U L L E Y A N D A C C E S S C O V E RINITIAL SETUPTools:References:General Mechanics Tool Kit (Item 30, App D)see your -10Torque Wrench Adapter (Item 9, App D)Torque Wrench (Item 95, App D)Equipment Conditions:Materials/Parts:Engine stopped/shutdown (see your -10)Carrier blocked (see your -10)Lockwasher (4)Power plant rear access panel removed(page 24-27 or 24-29)Personnel Required:Unit MechanicR E M O VE7. Using torque wrench adapter, tighten nut (5)to 300-360 lb-in (34-41 N•m) torque. Use1.2.3.Remove four screws (1), flat washers (2),lockwashers (3), and fan pulley accesscover (4) from power plant compartment rearbulkhead. Discard l&washers.torque wrench.8. Secure cover (4) to power plant compartmentrear bulkbead with four flat washers (2), newlockwashers (3), and screws (1).Remove fan drive belts (page 8-35).Remove nut (5), screw (6), pulley (7), andkey (8) from shaft (9).INSTALL4.5.6.NOTE-Place pulley (7) on fan shaft (9) with thebolt and nut facing down as shown. Installkey (8) making sure key is flush with endsof pulley and fan shaft. This will insureproper alignment and pulley balance.Install key (8) and pulley (7) on fan shaft(9). Secure with screw (6) and nut (5) inpulley hub. Do not tighten nut (5) at thistime.Install and adjust fan drive belts(page 8-35).Align groove of pulley (7) with grooves ofidler pulley and fan drive pulley.FOLLOW-THROUGH STEPS1. Install power plant rear access panel(page 24-27 or 24-29).END OF TASKChange 48-41
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