TM 9-2350-261-34R E P A I R C O M M A N D E R ’ S C U P O L A H I N G E S ( M 1 1 3 A 2 , M 1 0 6 A 2,M 1 0 6 4 , M 1 2 5 A 2 , A N D M 1 0 5 9 O N L Y)DESCRIPTIONThis task covers:Remove (page 8-16).Install (page 8-17).INITIAL SETUP Tools:Personnel Required:Metal Worker’s Tool Kit (Item 61, App B)Metal Worker 44B10Adapter (Item 2, App B)Electrical Disc Sander (Item 77, App B)References:Industrial Goggles (Item 37, App B)See your –20Trailer Mounted Welding Shop(Item 96, App B)TM 9-237TM 43-0139Welder’s Gloves (Item 36, App B)Welder’s Helmet (Item 42, App B)Equipment Conditions:Materials/Parts:HingeWelding electrode (Item 83, App C)Commander’s cupola cover removed(see your -20)Battery ground disconnected (see your -20)R E M O VE1. Remove and discard broken hinge part(1, 2, or 3) from commander’s cupola (4).2.3.WARNINGMetal chips and grindingdust can cause eye injury.Wear goggles and gloves.Use a machinist’s hammer and a cold chiselto chip off remaining part of bad hinge fromcupola.Use a disc sander to sand chipped areasmooth and remove any hard coating fromweld area.Change 2
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