R.R. REAR WING LOWER FRAME

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

Removing

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

- Straighten the body as necessary.

1. Sand the seam weld shown in the diagram.

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

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

- Use the drill and chamfer the spot welds not accessible with the chamfering machine.

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

- Remove the part from the vehicle.

- 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 areas treated previously.

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 part at the points indicated.

- 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 in the areas shown in the diagram.

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

4. Use a MIG welder to seam weld in the join areas.

- 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 areas welded previously.

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

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