TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
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TM 9-2350-273-BD POWERTRAIN/STEERING SECTION III. Final Drive 7-5. FINAL DRIVE MOUNTING STUDS BROKEN OR SHEARED General Information: Loose final drive mounting studs can cause the final drive to work loose and shear the studs. Severe damage to the transmission, final drive and/or track may result if the damage is not repaired promptly. Limitations: Option 1: None with a complete set of replacement studs; if less then a complete set, degraded mobility. Option 2: Welded repair requires periodic inspection. Personnel/Time Required: 2 soldiers 4 hours per final drive Materials/Tools: Replacement stud(s) Welding equipment Lift capability Procedural Steps: Option 1 1. Break track and remove sprocket and hub assembly from final drive. 2. Remove broken/sheared studs from final drive. 3. Install replacement bolts or studs (use every other stud from the opposite final drive if required). 4. Re-install sprocket and hub assembly. 5. Reconnect track and adjust tension. Option 2. 1. Break track and remove sprocket and hub assembly from final drive. 2. Ensure that the final drive housing is seated to the hull, and weld the final drive housing to the hull. 3. Re-install sprocket and hub assembly. 7-5