R.R. REAR WING LOWER FRAME

Operation 7210B50 · STRUCTURAL ELEMENTS (CENTRE AND REAR SECTION)

Removing

Op. 7210B82 R.R REAR CROSSMEMBER

- Ensure that the components connected are not distorted by checking the bodyshell alignment measurements with suitable equipment (gauges, templates or jigs).

- Straighten the body as necessary.

- Use a rotary brush to remove the paint and gain access to the spot welds.

1. Use the chamfering machine to remove the spot welds shown in the diagram.

- Use the drill to chamfer the spot welds that are not accessible to the chamfering machine.

- Use a hammer and chisel to remove the previously chamfered spot welds.

- Straighten the edges of the vehicle using a hammer and dolly block.

- Remove the spot weld residues using a disc grinder.

- Use a rotary brush to clean the previously treated areas.

1. Apply electro-galvanizing paint.

Refitting

1. Remove the anti-corrosion treatment from the entire perimeter of the inside and outside of the replacement part using a rotary brush.

2. Drill out the part at the indicated points.

- Apply electro-weldable paint to the edges involved.

1. Position the replacement part correctly on the vehicle and secure it using self-locking clamps.

- Check the alignment and the surrounding gaps.

2. Use a spot welder to weld the areas shown in the diagram.

3. Use a MIG welder to fill weld the openings made previously.

- Correct any distortions to the panel using a mallet and dolly block.

1. Use a disc grinder to level the welds.

- Use a rotary brush to clean the previously welded areas.

1. Apply anti-oxidant protection to the areas involved in the welding.

- Seal the join lines between the replacement part and the vehicle.

Op. 7210B82 R.R REAR CROSSMEMBER