MG MG6 Series 2011 Service Manual page 857

Collision Repair
maintained to minimise welding distortion, by inserting a
hacksaw blade as an approximate guide.
5. Dress MIG tack welds using a sander with 36 grit disc, or
a belt-type sander where access is limited.
6. MIG seam weld butt joints.
7. Always use MIG plug welds where excessive metal
thickness or limited access make resistance spot welding
impractical. Make plug welds either by using holes left
by the spot weld cutter, or through holes punched and
drilled for the purpose, approximately 8mm diameter.
Version 2.0
8. Dress all welds using either a sander with 36 grit disc, or
a belt-type sander and/or wire brush. When dressing
welds ensure an area as small as possible is removed to
protect the zinc coating.
Body Repair
841