Use only an AC power supply and always ground the
machine before use. If you use an extension cord, it
must be as short as possible and of suffi cient capacity
Input voltage should not vary by more than 10% of
the specifi ed rating. Always check the voltage before
operating the machine. An incorrect voltage could
seriously damage the motor.
Setting the pipe in position
1. Open both chucks wider than the size of pipe you
are going to cut and insert the pipe from the rear
chuck end wherever possible.
2. Close the rear chuck and, holding the pipe in your
right hand, close the hammer chuck to fi x the pipe
in position. Jerk the hand-wheel sharply towards
3. When you have fi nished cutting, a sharp jerk in the
opposite direction will release the pipe.
Tips for working with short pipes
When working with short pipes that do not extend as
far as the rear chuck, loosen the hammer chuck a little
and move the pipe so that it comes into contact with
the dies as shown in the diagram opposite. This will
help to centre the pipe when you tighten the hammer
chuck. In this way a smooth taper cut will be ensured
When threading 1/2 - 2” pipes, use the Uni auto V
die head. The Uni auto V also allows you to adjust
threading length. Push the cam plate up and set the
auto-open pin in position. As the dies travel along the
pipe, the end of the pipe comes into contact with the
pin and pushes it out of its groove, thereby releasing
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