BRACKET 1831049 - Caterpillar

Remove any dirt and/or paint from the weld areas on the body and canopy.
Use a suitable crane and a suitable lifting device to lift 128-0623 Canopy (1) into position.
Illustration 53 g01017987
Check for a good fit on the corner
Trim any part of the mounting base that is necessary to acquire a correct fit. The side rail of the canopy should be parallel with the top rail of the side of the body.
Tack weld the canopy into position.
Check the canopy for a good fit and for being level.
Weld the canopy to the body assembly. Refer to Illustration 54, Illustration, and55 Table 18 for the welding specifications and the location.Note: Use the wedges and brackets to pull the canopy and the front wall of the truck body together for welding.
Illustration 54 g01017620
The welding specifications, weld location, and Detail J for the canopy
Illustration 55 g01027714
Welding specifications and location for the canopy
Views of the body assembly and the canopy
Table 18
Welding Specifications
Item Description
W19 8 mm (0.32 inch) square groove weld (two places)
W20 16 mm (0.63 inch) square groove weld (2 places)
See detail J on Illustration 54.
W21 4 mm (0.16 inch fillet weld (two places))
W22 8 mm (0.32 inch bevel groove weld (two places))
W23 4 mm (0.16 inch)bevel groove weld (two rock guards)
W24 4 mm (0.16 inch) fillet weld (two rock guards)
W25 4 mm (0.1575 inch fillet weld)
25 to 75 mm (1.0 to 3.0 inch) skip weld.
two rock guards Note: Before assembling the body onto the chassis, remove three lifting eyes from the canopy, two lifting from the inside of the body and five lifting eyes from the bottom.Note: An assembly procedure for placing the body on the chassis can be found in the Special Instruction, REHS1042, "777D Assembly Procedure".
If the body assembly does not include liners, clean all the welds and prepare the body assembly for painting.
Paint the body.Note: All liners except those plates over the weld joint of the truck body will be installed on the right side assembly, left side assembly, and the canopy. The remaining liners must be installed in the field.
Illustration 56 g01018581
The liners for the body
Use a suitable crane and a lifting device to position the liner into position.Note: If any section of the floor is warped, use a wedge and a bracket to align the seam.
Position 129-0386 Plate (13) into the body assembly and tack weld into place.
Position 129-0397 Plate (14) into the body assembly and tack weld into place.
Position 129-0389 Plate (15) into the body assembly and tack weld into place.
Position 129-0394 Plate (16) into the body assembly and tack weld into place.
Refer to Illustration 56, Table, and19 Table 20 for the welding specifications and the location.
Table 19
Welding Dimension
Item Description
S 12 mm (0.4724 inch)
T 14 mm (0.5512 inch)
U 20 mm (0.7874 inch)
V 20 mm (0.7874 inch)
W 12 mm (0.4724 inch)
Y 22 mm (0.8661 inch)
Z 16 mm (0.6299 inch)
Table 20
Welding Specifications
Item Description
W26