TM-9-2350-273-BD M60 M48 Battle Damage Assessment and Repair Download
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TM 9-2350-273-BD ARMAMENT AND FIRE CONTROL SYSTEMS Procedural Steps (Cont'd) 5. Shape each metal band to fit curve of bore evacuator. When metal bands are placed around bore evacuator, a gap between 1/8 to l/4-inch should exist between halves (see illustration). 6. Remove bands from bore evacuator and line inside surface of each band with asbestos paper or some other suitable fire resistant material. 7. Drill 3/8-inch evenly spaced holes in each end of both bands (see illustration). 8. Set bands in place over damaged area. 9. Secure bands against bore evacuator with screws, nuts, and lockwashers. Record the BDAR action taken. When the mission is completed, as soon as practicable, repair tank using standard maintenance procedures. 10-6. BREECH BLOCK WILL NOT CLOSE, CLOSING SPRING BROKEN General Information If the breech-closing mechanism fails to function as a result of broken leaf springs, function can be restored by repositioning broken spring leafs. Limitations: ● Increased stress on remaining unbroken springs. Personnel/Time Required: ● 1 soldier ● 15-20 minutes Materials/Tools: ● Replacement leaf springs Other Options ● Use replacement leaf springs or entire leaf spring assembly from an M1 tank. Procedural Steps: 1. Remove breech closing mechanism from breech spring assembly. 10-11