TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download

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TM 9-2350-273-BD TRACK AND SUSPENSION Materials/Tools: Bolts for roadwheel arm (if needed) Roadwheel arm housing (if damaged) Welding equipment Other Options: Remove the roadwheel arm, plug holes and continue operations. Procedural Steps: 1. Remove sheared bolts, if possible. 2. If roadwheel arm is damaged, cannibalize arm from another damaged vehicle. 3. If sheared bolts have been removed, re-install housing using serviceable bolts. NOTE Limited operation is possible with every other bolt on roadwheel arm mount missing. 4. If broken bolts cannot be removed, line up new housing with bolt holes and weld in place. 5. Record the BDAR action taken. When the mission is completed, as soon as practicable, repair tank using standard maintenance procedures. 9-20. TORSION BARS a. Torsion bars have a pretwist which gives them a directional spring action. If they are used in the wrong direction, they unwind and become a spring with zero spring rate. The tank may lean or squat, especially if more than one torsion bar is broken. 9-15