Weldmatic Fabricator
Operators Manual
Model No. CP117-2, Iss C 05/07
Quality, Reliability, Performance
Fitting the Gas Cylinder
Place the gas cylinder on the tray at the rear of
the welder. Retain the cylinder with the chain
provided.
Fit the gas regulator to the cylinder. DO NOT
apply grease or oil to these joints.
Fit the end of the gas inlet hose from the rear
of the machine to the connector supplied with
the gas regulator, and secure with the clamp
also supplied.
Remote Wirefeeder
The remote wirefeeder is connected to the
Weldmatic Fabricator power source via the
composite cable interconnecting lead. Check
all connections are firmly made to ensure good
electrical contact, and to prevent gas leaks.
6 Normal Welding Sequence
Weld Start
Closing the welding gun switch initiates this
sequence of events:
• The gas valve is energised and gas flow
commences and continues for any pre-gas
time set
• The power source contactor function
is initiated. Welding voltage is applied
between the work piece and the
consumable wire
• The wire drive motor is energised
• The wire touches the work piece, and the
arc is established.
Weld End
Releasing the gun switch initiates this sequence
of events:
• The wire drive motor is de-energised, and is
dynamically braked to a stop
• After a short pre-set period, known as
the ‘burn-back’ time, the Power-source
contactor function is released. This period
ensures that the consumable wire does not
‘freeze’ in the weld pool
• At the completion of any post-gas time set,
the gas valve is de-energised and the flow
of shielding gas ceases.
