CHAPTER 8: MAINTENANCE OF SUSPENSION SYSTEM TM 9-2350-256-208-10 REPLACE FINAL DRIVE SPROCKET AND HUB--ContinuedWARNINGSprocket is heavy. If sprocket is dropped, it may cause serious injury.8Remove inner sprocket (10) by installing threejackscrews (14) in three holes provided. Tightenjackscrews evenly and remove sprocket.b. INSTALLATIONWARNINGSprocket is heavy. If sprocket isdropped, it may cause serious injury.1 Install inner sprocket (10), 11 bushings (12), and 11bolts (11) to track-drive hub (9). Torque bolts to225-250 lb-ft (305-339 Nm).2 Lubricate threads of 11 bolts (11) and 11 nuts (13)with GAA grease and install nuts. Torque nuts to70-90 lb-ft (95-122 Nm).WARNINGAll personnel are to stand clear ofvehicle hull when lifting. Sling failuremay cause severe injury or death.3 Install lifting sling assembly and sling assembly ontrack-drive hub (9).4 Loosely install track-drive hub (9) and sprocket (10)with dowel nut (8) to prevent track-drive hub fromfalling. Remove lifting sling assembly and slingassembly.5 Lubricate mating surfaces of flange on final driveand track-drive hub (9) with GAA grease.6 Lubricate threads of 10 dowels (15) with GAA grease and install remaining dowel nuts (8). Torque dowel nuts to 450-470 lb-ft (610-637 Nm). Wait 3 minutes and retighten dowel nuts. Wait 1 minute and check torque again.7 Install outer sprocket (6), 11 bushings (4), and 11 bolts (3) to track-drive hub (9). Torque bolts to 225-250 lb-ft (305-339 Nm).8 Lubricate threads of 11 bolts (3) and 11 nuts (5) with GAA grease and install nuts. Torque nuts to 70-90 lb-ft (95-122Nm).9 Install hinged rear fender (2) with seven screws (1).8-34
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business