TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download

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TM 9--2350--277--20--4 0420 01--1 REPA I R T 1 5 0 DRI VE SPRO CKET WHEEL ASSEM BLY 0420 01 THIS WORK PACKAGE COVERS: Removal (page 0420 01 -1) Installation (page 0420 01 -2) INITIAL SETUP: Maintenance Level Unit Tools and Special T ools General Mechanic’s Tool Kit (WP 0926, Item 65) Socket Wrench (WP 0926 00, Item 73) Torque Wrench (WP 0926 00, Item 85) Torque Wrench (WP 0926 00, Item 86) Materials/Parts Self -locking screws (10) Self -locking screws (20) Personnel Required Unit Mechanic Helper (H) References See your -10 Equipment Conditions Engine stopped (see your -10) Vehicle blocked (see your -10) Track broken between sprocket or fifth road wheel (see your -10) Track removed from drive sprocket (WP 0422 01) REMOVAL NOTE Procedures for repairing left and right sprocket wheel assemblies are the same. 1. Remove 10 self -locking screws (3), and sprocket wheel assembly (2) from final drive (1). Lower sprocket whe assembly to the ground. Have helper assist. Discard self -locking screws. Change 2