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5 Damage prevention
5.3 Corrosion protection measures
MITSUBISHI FUSO body/equipment mounting directives for FE Issue date: 20. 10. 2020
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Corrosion prevention in welding work
In order to avoid crevice corrosion at weld seams, the
welds should be made in accordance with the
examples shown.
Preparation
The welding area must be free from corrosion, grease,
dirt or similar contamination. If painted surfaces are to
be welded, the paint coat must first be removed by
grinding or chemical stripping. If this is not done, the
paint will burn and the residues can impair corrosion
resistance.
After welding work
• Remove drilling shavings.
• Deburr sharp edges.
• Remove any burned paint and thoroughly prepare
surfaces for painting.
• Prime and paint all unprotected parts.
• Preserve cavities with wax preservative.
• Carry out corrosion protection measures on the
underbody and frame parts.
i Additional information
Plug and slot welds, particularly on horizontal
surfaces, should be avoided due to the risk of corro-
sion. If they are unavoidable, these welds must
receive additional preservation. Furthermore, avoid
designs which allow moisture to accumulate. These
must be fitted with additional drainage holes or
gaps in the weld seam.
Example: Weld seams
A – Suitable
B – Unsuitable
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