FINAL DRIVE HUB AND SPROCKET REPLACEMENT

IDLER ARM HOUSING PACKING AND SEAL REPLACEMENT

TM-9-2350-292-20-2 Recovery Vehicle Heavy Full-Tracked: M88A2 (NSN 2350-01-390-4683) (EIC:ACQ) Manual
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TM 9--2350--292--20--2 0397 00--1 FINAL DRIVE HUB AND SPROCKET REPLACEMENT 0397 00 THIS WORK PACKAGE COVERS: Removal, Installation INITIAL SETUP: Tools and Special Tools General mechanic’s tool kit (item 1, WP 0717 00) Wire rope assembly (item 36, WP 0717 00) Final drive sling (item 37, WP 0717 00) Torque wrench (item 2, WP 0717 00) Torque wrench (item 9, WP 0717 00) Suitable lifting device (600 lbs (272.4 kg) min cap) Torque wrench bar (item 39, WP 0717 00) Torque wrench multiplier (item 40, WP 0717 00) Socket wrench socket (item 41, WP 0717 00) Adapter plate (item 78, WP 0717 00) Materials/Parts Self--locking nuts (44) (item 235, WP 0718 00) Lubricant (item 3, WP 0716 00) Adhesive (item 30, WP 0716 00) Dry--cleaning solvent (item 1, WP 0716 00) Primer (item 107, WP 0716 00) Equipment Conditions Left or right track removed (TM 9--2350--292--10) Left or right hinged fender removed (WP 0443 00) Personnel Required Two References TM 9--2350--292--10 NOTE This task pertains to the right and left final drive hubs and sprockets. The outer sprockets can be replaced without removing the final drive hub. To replace the outer sprocket perform Removal steps 1 through 6 and 19 and Installation steps 12 and 13. To replace the inner sprocket perform Removal steps 7 through 17 and 19 and Installation steps 3 through 11. To replace the final drive hub, inner and outer sprockets as an assembly, perform Removal steps 7 through 11 and 19 and Installation steps 5 through 11. To replace the final drive hub perform Removal steps 1 through 17 and 19 and Installation steps 2 through 13. To replace block on final drive perform Removal steps 7 through 11, 18 and 19 and Installation steps 2 and 5 through 11.

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