TM 9-2350-247-20-3REPAIR HULL BY WELDING 0406 00THIS WORK PACKAGE COVERS:Introduction (page 0406 00-1).Equipment and Materials (page 0406 00-2).Safety Precautions (page 0406 00-3).Magnesium Casting, Filing, and Grinding (page 0406 00-4).MIG Welding Method (page 0406 00-4).INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsWelder’s gloves (WP 0541 00, Item 20)Welder’s helmet (WP 0541 00, Item 26)ReferencesTM 9-237TM 5-3431-200-15TM 5-3431-200-35PREPAIR OR REPLACEMENTINTRODUCTIONWARNINGDo not attempt to weld aluminum or magnesium castings.1. This chapter shows you how to make basic welding repairs on 5083 aluminum alloy by the MIG (Metal Inert Gas)method. Also included are safety instructions for filing and grinding magnesium castings. Further welding instructionsare available in TM 9-237.Table 1. ALUMINUM CASTINGSComponentPartPartNumberControlsHousing, range selectorLever, left steeringLever, right steering109496291158886711588949DifferentialHousing, input bearingHousing, right anglegearbox86566068756602Final DriveHousing assembly10890371Transfer gearcaseHousing, gearcaseCover, transfer gearcase10932771109327730406 00-1
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