TRUCK SERVICE MANUAL
BODIES AND CABS
PROCEDURES AND INSTRUCTIONS FOR
WELDING ALUMINUM CABS, BODIES
AND STRUCTURES
INDEX
Subject
Page
ALUMINUM ALLOYS
Crack Repair .......................................................................................................................................................... 107
Finishing Weld Repairs .......................................................................................................................................... 108
Sheet Alloys - Skin ................................................................................................................................................. 107
Structural Alloys ..................................................................................................................................................... 107
ATTACHING UNLIKE MATERIALS
Bolts, Self-Tapping Screws.................................................................................................................................... 110
Gasket Material ...................................................................................................................................................... 110
Plug Welding .......................................................................................................................................................... 110
Steel (and Brass) ................................................................................................................................................... 110
Wood ..................................................................................................................................................................... 110
FIBER GLASS AND PLASTIC PUTTY REPAIRS
Plastic Putty ........................................................................................................................................................... 109
Fiber Glass............................................................................................................................................................. 109
PREPARATION FOR REPAIRS
Chipping ................................................................................................................................................................. 106
Fiber Glass Repair, Dents, etc............................................................................................................................... 106
Removal of Dinges, Dents ..................................................................................................................................... 106
Surface Preparation (Cleaning) ............................................................................................................................. 105
PREPARATION OF ALUMINUM FOR PAINTING
Cleaning and Painting............................................................................................................................................ 109
Undercoating.......................................................................................................................................................... 110
PROPERTIES OF ALUMINUM .................................................................................................................................... 111
SAFE PRACTICES AND PRECAUTIONS ................................................................................................................... 110
THE MIG (Metal-Arc Inert Gas) PROCESS FOR
ALUMINUM WELDING ................................................................................................................................... 104
WELDING TERMS ....................................................................................................................................................... 112
WELDING WIRE CARE ............................................................................................................................................... 110
103