TM9-2350-261-20-2R E P L A C E I D L E R W H E E LI N I T I A L S E T U PTOOls:References:General Mechanics Tool Kit (Item 30, App D)See your -10Torque Wrench (Item 96, App D)Equipment Conditions:Materials/Parts:Carrier on level surfaceSelf-locking nut, per wheel (8)Engine stopped/shutdown (see your -10)Carrier blocked (see your -10)Personnel Required:Track shroud and covers removed (page 22-2)Unit MechanicR E M O V E1.2.3.4.ILoosen idler wheel locknuts (1).Disconnect track (see your -10).6Remove track from idler wheels (2).Remove eight locknuts (1) and two idlerwheels (2) from idler wheel hub (3). Discardlocknuts.7.N O TE8.Inboard and outboard idler wheels aredifferent ON ALL EXCEPT M741A1. Donot mix them up. Inboard wheel (marked11669373) is 3-1/4 inches (83 mm) wide.Outboard wheel (marked 10907799) is3-1/8 inches (79 mm) wide. Both M741A1wheels (marked 10907799) are samewidth.I N S T A L L5. Place two idler wheels (2) on idler wheelhub (3).N O T EInstall inboard and outboard idler wheelin the right order. Make sure spokes donot line up.Secure two wheels (2) to hub (3) with eightnew locknuts (1). Tighten locknuts to150-170 Ib-ft (203-230 N•m) torque. Usetorque wrench.Install track over idler wheels.Connect track and adjust tension(see your -10).F O L L O W - T H R O U G H S T E PS1. Install track shroud and covers (page 22-2).3. Road test carrier (page 2-45) to check thatidler wheel is installed properly.2. Remove blocks used to keep earner from mov-ing (see your -10).4. Stop/shutdown engine (see your -10).END OF TASK22-16
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