ROTHENBERGER COLLINS CLASSIC 22 A - Manual (Page 32)

30 ENGLISH
For the standard thread- head:
Î
Lower the thread- head and move the opening and closing lever down towards you.
Î Turn T.O.R.-switch to “thread” and switch on the machine with the pedal, turn the rotary
handle clockwise so that the thread jaws press on the workpiece.
Î Release the rotary handle when two to three threads have been cut.
Î With the machine running, slowly move the opening and closing lever up when the required
number of threads has been cut, so as to end the cutting process by slowly opening the
thread jaws.
If the thread jaws are opened jerkily, steps can be created in the last section of the thread, with
the result that the thread is faulty!
While threading, open die head before carriage reaches full length of travel. If carriage
strikes base, excessive strain is put on the machine and damage may result!
For the automatic thread- head:
Two different thread length gauges are used on the trigger for NPT and BSPT.
Do not lean over automatic opening die head as opening lever could strike face when
automatically opened!
Î
Install the die head on carriage pin and adjust the proper size.
Î Pull operating lever forward to cock the spring loaded plunger.
Î Turn T.O.R.-switch to “thread” and switch on the machine with the pedal, turn the rotary
handle anti-clockwise so that the thread jaws press onto the workpiece.
Î Release the rotary handle when 2 to 3 thread turns are cut.
Î The thread- jaws open automatically via a longitudinal stop lever when the thread has been
fully cut.
Î Switch off the machine by taking your foot off the safety pedal and turn T.O.R.-switch to
“off”.
5.6 Removing the workpiece
The workpiece is damp and slippery from the thread- oil. Carefully ensure that it
does not slip out of your hands and drop onto your feet when you remove it
from the machine!
Î Turn the feeder hand wheel clockwise and move back the tool carriage.
Î Release the clamping chuck.
Release the centring chuck and pull out the workpiece.
5.7 Cleaning after use
Do not remove metal and plastic chips using compressed air!
There is a risk of eye injuries and loss of eyesight!
Do not pick up sharp-edged metal chips with your bare hands!
Risk of injury! Wear protective gloves!
Î Remove chips from on and around the machine.
Î Use a wire brush to remove chips from and clean the clamping chuck, the thread- jaws of
the thread- head and the internal deburrer.
Î Use a cloth to wipe thread- oil splashes from the machine and the workplace.