TM-9-2350-275-BD Battlefield Damage Assessment and Repair for M113 Family Download
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TM 9-2350-275-BD TRACK AND SUSPENSION 8-7. ROADWHEEL/HUB DAMAGED General Information Damaged roadwheel or roadwheel hub must be removed or replaced. Roadwheels on all M 113 FOV are interchangeable, but not all roadwheel hubs. The M113 FOV may be operated in a degraded condition if it is equipped on each side with: a. Drive sprocket b. Idler wheel c. Roadwheels No. 1 and No. 5 d. One othe roadwheel If No. 1 or No. 5 roadwheels are damaged, they should be replaced. If necessary, use the roadwheel from position No. 2. In order to remove a roadwheel without the proper lifter, some suggestions are offered. In each case loosen the track adjuster beforehand. Limitations: ● Degraded mobility Personnel/Time Required: ● 2 soldiers ● 1-3 hours Materials/Tools: ● Roadwheel lifter ● Substitute lifter Other Options: ● Short track Procedural Steps: 1. Drive the vehicle upon a log or rock in order to raise the roadwheel and allow removal. 2. Cut a block of wood or metal 12 or 15 inches long for a lifter whichever length is required. A piece of 2 in. x 4 in. stud, or a 12 in. crescent wrench will do. 3. For maximum operation with one roadwheel missing, the roadwheel support arm should also be removed or tied up to prevent interference with the track. 4. Remove the six screws holding the roadwheel support arm to the hull. 5. Remove the support assembly and torsion bar as a unit. 6. Record the BDAR action taken. When the mission is completed, as soon as practicable, repair the vehicle using standard maintenance procedures. 8-8