R.R. ROOF PANEL REAR CROSSMEMBER

Operation 7210L88 · Specific parts for commercial vehicle

Removing

Check if any of the connected parts are deformed by checking body alignment dimensions. Use appropriate measurement tools (reference rigs, templates or gauges).

Straighten the body if necessary.

1. Use a pneumatic saw (1a) to cut along the cutting line (1b) shown.

Remove the rear roof beam and place on the ground.

1. Use a chamfering machine (1a) to remove the weld spots at the edges (1b) of the body.

2. Using a hammer and chisel (2a), remove panel residues (2b).

Refitting

Straighten the edges of the body panel.

Use a grinding wheel to remove the weld spot residues on the body.

Apply electro-galvanizing paint to the parts which have been ground.

Straighten the edges of the replacement beam panel

Use a rotary brush to remove the corrosion-proofing around the edge of the parts.

Apply electro-galvanizing paint to the part edges in contact with the body.

1. Correctly position the replacement part (1a) on the bodyshell, check it is perfectly aligned with the roof (1b) and secure it using self-locking clamps.

1. Use a chamfering machine to spot weld the part (1a) along areas (1b) shown in the figure (on both sides).

Check that the welded parts are correctly positioned.

Level the spot welds using a disc grinder.

Clean the areas affected by the welding.

Apply electro-galvanizing paint to the parts which have been ground.

When the work is completed, refit the elements removed previously.