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

Page 131 of 288

TM 9-2350-273-BD ARMAMENT AND FIRE CONTROL SYSTEMS 10. Remove locking pin setscrew. NOTE If proper size screw is not available, use a stiff wire bent to form a slight hook in ‘one end to pull out locking pin. 11. Insert a 1-1/2 inch long screw, 3/8-16 NC, through two flat washers and into gun tube locking pin. 12. Pull on screw to remove locking pin. 13. Turn gun tube counterclockwise approximate y one-eighth turn. 14. Grasp two guide ropes to steady the gun during removal. 15. Remove damaged gun tube by alternate y traversing, elevating and lowering the hoisting gun (manually). NOTE Steps 16 through 27 are concerned with installation of replacement main gun. 16. Install sling on replacement gun tube at center of balance mark. 10-6