TM 9-2350-261-34 I N S T A L L C O M M A N D E R ’ S C U P O L A A R M O R S H I E L D S ( M 1 1 3 A 2M106A2, M125A2, M1059, AND M1064 ONLY)INITIAL SETUP Tools:General Mechanics Tool Kit (Item 35, App B)Portable Electric Drill (Item 23, App B)Screw Threading Set (Item 79, App B)Trailer Mounted Welding Shop(Item 96, App B)Twist Drill Set (Item 98, App B)Materials/Parts:Machine Gun Shield Kit 11660854 (19207)Spacer, 1/16-1/8 inch thick (2)Wood blocks of equal height (2)Personnel Required: Track Vehicle Repairer 63H10HelperReferences:See your –10TM 43-0139TM 9-237Equipment Conditions: Engine stopped (see your –10)Carrier blocked (see your –10)INSTALL1.2.3.4.5.If four shield mounting holes are alreadydrilled in cupola hatch, remove and discardfour 1/2–13 screws and flat washers fromhatch. If mounting holes are NOT drilled,follow steps 3 thru 5.Remove two 5/8-18 screws (1) andwashers (2) from outboard support legs ofmachine gun pintle (3). Discard screws. Keepflat washers.Remove machine gun mount and supportfrom cupola. Close cupola (see your –10).N O T EAll dimensions are in inches with metricequivalents.Measure and mark four points (A, B, C,and D) on cupola shown at right. Measurepoint positions from four existing screw holesthat secure machine gun support to cupola.Drill four holes using 27/64 (11 mm) drill.Drill to a maximum depth of 1-1/4 (3 cm).Tap with a 1/2–13 UNC tap to a minimumdepth of 7/8 (22 mm).20-2Change 2
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