TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 86 of 884
INSTALLATION NOTE Inboard and outboard idler wheels are different. Do not mix them up. Inboard wheel (marked 11669373) is 3-1/4 inches (83 mm) wide. Outboard wheel (marked 10907799) is 3-1/8 inches (79 mm) wide. 1. Place two idler wheels (2) on idler wheel hub (3). NOTE Install inboard and outboard idler wheel in the right order. Make sure spokes do not line up. 2. Secure two wheels (2) to hub (3) with eight new nuts (1). TIGHTEN NUTS TO 150-170 LB (203-230 N m) TORQUE. REPLACE IDLER WHEEL — Continued 0425 00 3. Install track over idler wheels. 4. Connect track and adjust tension (see your -10). FOLLOW-THROUGH STEPS 1. 2. Unblock carrier (see your -10). Road test carrier to check that idler wheel is installed right (WP 0155 00). END OF TASK 0425 00-2 Change 3 TM 9-2350-277-20-4