7
Preparing for welding
To carry out welding correctly, ALL the following steps must be implemented:
90°
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1. Cut the pipe at right angles with the special
nippers.
2. Scrape the pipe surface homogeneously down
to at least 1 cm (0.39 in) in excess of the pipe
inserting length in the fitting by using the
scraper.
3. Mark the welding length on the pipe (length
equal to half the coupler length) with the
special marker pen.
4. Remove any mud, dust, grease or other traces
of dirt from the pipe ends and the fitting inside.
5. Lock the pipes with the special aligner after
inserting the fitting and keep them locked
throughout the welding cycle and the
subsequent cooling time.
6. It is now possible to weld the fitting on the
pipes, by inserting the cables with connectors
in the fitting turns and checking the welding
time and voltage.
