TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-3 REPAIR HULL BY WELDING 0406 00 THIS WORK PACKAGE COVERS: Introduction (page 0406 00-1). Aluminum Castings (page 0406 00-1). Magnesium Castings (page 0406 00-2). 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: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s Welder’s Gloves (WP 0541 00, Item 20) Welder’s Helmet (WP 0541 00, Item 26) R e f e r e n c e s TC 9-237 TM 5-3431-200-15 TM 5-343 1-2 00-20 P Welding Code 12472301 INTRODUCTION WARNING Do not attempt to weld aluminum or magnesium castings. 1. This work package 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 instructions are available in TC 9-237 and Welding Code 12472301. Table 1. ALUMINUM CASTINGS Component Part Part Number 10949629 11588867 Controls Housing, range selector Lever, left steering Lever, right steering 11588949 8656606 Differential Housing, input bearing Housing, right angle gearbox 8756602 Final drive Housing assembly 10890371 Transfer gearcase Housing, transfer gearcase 10932771 Transfer gearcase Cover, transfer gearcase 10932773 0406 00-1 Change 1