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owners manual Alfa Romeo 33
owners manual Alfa Romeo 33 - year of production: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 - Alfa Romeo 33 owners manual EN
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from owners manual to the vehicle Alfa Romeo 33, year of production 1983 - 1995:
BODY -SHEET METAL PANELS
(2) Electrodeinstallment.
Operate such as sheet forms a tight angle with electrodes.
if not so, current flow will be low and the obtained
welding streng.ht insufficient.
(3) Welding of three or more overlapped sheets. In
the areas where three or more sheets are overlapped,
spot welding must be repeated.
INCORRECT INCORRECT CORRECT
(2) Welding of metal surfaces.
Prepare the surfaces to be welded, removing all impurities
and foreign matters (paint, dust, rust) in order to obtain
perfect welding. In casa three or more overlapped
sheets ara welded, repeat welding
twice.
(4) Number of spot welding points.
Generally, efficiency of spot welders available in the
Repair Shop is lower than efficiency of spot welders used
at the Factory. As consequence, the number of spot
welding points performed at the Service Shop should be
increased by 20 ” 30% with respect to weldings performed
at the Factory.
(5) Minimum welding pitch.
The minimum welding pitch is function of thickness
of sheet to be welded. Generally, the values provided
in the following table, should be observed.
(3) Anti-corrosion procedureapplicable to all metal
surfaces.
ThicknB (t) Minimum pitch (I)
Coat the surface tobe+ welded high conductivity
mm (in) mm (in)
anti-corrosion agent. It must beapplyed to end of
surface to be welded, also. 0.6 IO.0241 10 (0.39) or more
0.8 (0.031) 12 (0.47) or mare
1.0 (0.039) 18 (0.71) or more
1.2 (0.047) 20 (0.79) or more
1.6 (0.063J 27 (1.06) or more
1.8 (0.071) 31 (1.22) ormom
Preliminary operation Apply anti-corrosion agent
to the whole surface, end
included.
1 I I
3. Cautions during spot welding
(I) Spot welding selection
Use the direct welding method (for the parts this method
can not be applied to, use theMIG welding method).
May 1983
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Alfa Romeo 33 owners manual
pages 302 - 308
Alfa Romeo 33 owners manual
page 305 / 378
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