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9 General repairs

9-2 Welding

Reasons for rejection

1. The manufacturer’s welding procedures have not been followed.

2. A recognised repair research organisation’s procedures have not been followed (when the manufacturer provides no information).

3. A weld has been completed using the incorrect:

a) shielding gas, or

b) electrode wire.

4. There has been too much heat build-up during the welding so that the parent material is weakened.

5. The weld has:

a) porosity present, or

b) cracks present, or

c) undercut or cold lap, or

d) poor penetration.

6. Unless the vehicle manufacturer states otherwise replacement spot welds are:

a) located on top of the OE weld locations, or

b) spaced so as to create a continuous heat-affected zone.

7. Brazing has been used in a repair where it is not specifically permitted in the manufacturer’s instructions.

8. The weld has not been completed to NZS 1554 or I-CAR compliant standards.

Note 1

When welding is done, the manufacturer’s specifications must be taken into account.

Summary of legislation

Applicable legislation

Repair requirements

1. The repair method used to comply a vehicle must take into account:

a) the date of manufacture of the vehicle, and

b) the class, make and other relevant characteristics of the vehicle, and

c) the approved vehicle standards with which the vehicle is required to comply, and

d) any relevant manufacturer’s recommendations and alternative methods, and

e) the material specifications used for the construction of the vehicle, its structure, systems, components or equipment, and

f) the compatibility of the intended repair process with material specifications.

2. Welding must be completed to NZS 1554 or I-CAR compliant standards.

Page amended 7 October 2016 (see amendment details).