1.15 Repair methods
1.15.4 Cutting
Caution!
Only perform cuts in accordance with the instructions
in this repair manual. Before carrying out any cutting
work, the paint and sealant must be removed from
the area of the cut. When making the cuts, protect
adjacent parts, such as castings, from damage.
Before performing any cutting operations, the structural
characteristics of the area in question, such as inner joining
flanges, reinforcement panels, etc., must be examined
carefully.
In general, and around die-cast joints in particular, start rough
cuts with a body saw. This facilitates access for other cutting
tools and ensures the necessary visibility of the individual
cutting areas.
• Only make cuts with the body saw or panel shears.
• The tooth pitch for aluminium saw blades is coarser than
that for steel panels.
Copyright ©
2010
1.15.5 Joggling
Joggling is a particularly suitable method for creating a backing
for welding aluminium panels. This should be carried out using
mechanical or pneumatic joggling tools. Before making a
cut, allow 22 mm for an overlap. To allow filler to be applied
subsequently to the repair area, create a 45° bevel on the
upper panel and deburr.
1.15.6 Same-material weld backing
The same material as the material being welded is used during
the repair as a weld backing. This is required when welding
aluminium panel sections where a butt-to-butt weld is not
possible. The thin material would otherwise burn through very
quickly under the effect of the heat. Offcuts from the new or
old part may be used for this backing material. Same-material
backing should also be used on beaded panel edges.
In the case of small cross sections or large panel edges, cut
the material and create a 45° bevel on both panels. The panel
edges must be spaced by a 3 to 4 mm gap.
Summary of Contents for 458 Italia
Page 1: ......
Page 24: ...1 7 Car Bench vehicle bench Copyright 2010 ...
Page 25: ...1 7 Car Bench vehicle bench Copyright 2010 ...
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Page 522: ...Hook 95977564 AS 107564 for lifting the gearbox Page 5 of 5 Specific tooling and equipment ...
Page 586: ...In preparation Page 6 of 6 Engine overhaul Disassembly ...
Page 620: ...Perform the Fuel tank tightness test cycle Page 4 of 4 Fuel level sensor ...
Page 967: ...Refit the wheels D2 01 Page 10 of 10 Stabiliser bars Tie rods ...
Page 1127: ...Refit the wheels D2 01 Page 8 of 8 Wheelhouse ...
Page 1167: ...Prise out and remove the plug 4 Undo the nut 5 Undo the nut 6 Page 32 of 37 Doors ...
Page 1242: ...In the LOWEST position two movements are possible Page 8 of 12 Seats ...
Page 1243: ...In the INTERMEDIATE LOW position three movements are possible Page 9 of 12 Seats ...
Page 1244: ...In the INTERMEDIATE HIGH position three movements are possible Page 10 of 12 Seats ...
Page 1549: ...Reconnect the battery F2 01 Page 5 of 5 Starter motor ...
Page 1721: ...Charge the air conditioning system F5 12 Page 5 of 5 Condenser ...
Page 1740: ...Refit Page 13 of 13 A C unit ...
Page 1764: ...FD0001 Fuel supply distribution 0 99999 Page 10 of 56 PDF ...
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