CLEAN, INSPECT, AND REPLACE - TM-9-2350-261-20-2

REPLACE DRIVE SPROCKETS, CUSHIONS, AND CARRIER ASSY

TM-9-2350-261-20-2 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-2 CLEAN, INSPECT, AND REPLACE 5. Check cushions and spockets for wear and damage. Replace if needed. INSTALL 6. 7. 7.1 8. 9. Place two cushions (1) on sprocket wheel carrier (2). Center short flat areas between mounting holes in sprocket wheel carrier assembly rim. Press an cushion until firmly seated against flange of sprocket wheel carrier assembly. Place two sprockets (3) on sprocket wheel carrier (2). Secure with twenty new lock bolts (4). Tighten lock bolts to 110-115 lb-ft (149-156 N-m) torque. Use torque wrench. Install drive sprocket carrier (5) on vehicle. Secure with ten new lock bolts (6). Tighten lock bolts to 170-195 lb-ft. (231-264 N-m) torque User torque wrench. Mark sprockets (3) and cushions (1) for ro- tation check after road test. Place track (7) on drive sprocket carrier (5). FOLLOW-THROUGH STEPS 1. Connect track and adjust tension (see your -10). 2. Install track shroud and covers (page 22-2). 3. Road test carrier (page 2-101) to check that drive sprocket and carrier assembly are installed properly. 4. After road test, check rotation of cushion with respect to sprockets. Measure from the outer edge of the cushion Replace cushion that rotates beyond 1 1/2 inches (4 cm) of initial position. END OF TASK Change 4 22-31

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