TM 9-2350-261-34R E P A I R C O M M A N DER’S HATCH COVER HULL HINGES (M577A2 only DESCRIPTIONThis task covers:Remove (page 8–20).Install (page 8-21).INITIAL SETUPToolsMetal Worker’s Tool Kit (Item 61, App B)Adapter (Item 2, App B)Electrical Disc Sander (Item 77, App B)Industrial Goggles (Item 37, App B)Trailer Mounted Welding Shop(Item 96, App B)Welder’s Gloves (Item 36, App B)Welder’s Helmet (Item 42, App B)Materials/Parts:HingeWelding Electrode (Item 83, App C)Personnel Required:Metal Worker 44B10References:see your -20Tm 43-0139TM 9-237Equipment Conditions:Commander’s hatch cover removed fromcarrier (see your -20)Battery ground disconnected (see your -20)REMOVE2.1. Remove and discard broken hinge part (1, 2,or 3) from hull.3.WARNINGMetal chips and grindingdust can cause injury. Weargoggles and gloves..Use a machinist’s hammer and a cold chiselto chip off remaining part of bad hinge fromhull.Use a disc sander to sand chipped areasmooth and remove any hard coating fromweld area.8-20
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