Saf-Fro DIGISTEP 255C Manuel D'utilisation page 17

Changing Driving Rolls
WARNING
Turn the input power off of the welding power source
before installation or changing drive rolls.
DIGISTEP 255C & 305C is equipped with drive roll
V1.0/V1.2 for steel wire.
For others wire sizes, is available the proper drive rolls kit
(see "Accessories" chapter) and follow instructions:

Turn the welding machine off.

Release the pressure roll lever /levers [43].

Unscrew the fastening cap / caps [44].

Open the protection cover [45].

Change the drive roll / rolls [46] with the compatible
ones corresponding to the used wire.
WARNING
Be sure that the gun liner and contact tip are also sized to
match the selected wire size.
WARNING
For wires with the diameter larger than 1.6mm, the
following parts are to be changed:

The guide tube of the feeding console [47] and [48].

The guide tube of the Euro Socket [49].

Replace and tighten the protection cover [45] to the
drive rolls.

Screw fastening cap / caps [44].

Manually feed the wire from the wire reel, the wire
through the guide tube, over the roller and guide tube
of Euro Socket into liner of gun.

Lock the pressure roll lever / levers [43].
DIGISTEP 255C
Figure 15.
English
43
46
45
44
13
DIGISTEP 305C
42
49
Figure 16.
Gas Connection

Connect the gas hose to the Gas Connector [9]
located on the rear panel of the machine.

Put the gas cylinder on the machine shelf and secure
it with the chain.

A gas cylinder must be installed with a proper flow
regulator.

Once a gas cylinder with a flow regulator has been
securely installed, connect the gas hose to the
regulator using the hose clamp.
WARNING
The welding machine supports all suitable shielding gases
at a maximum pressure of 5,0 Bar.
WARNING
Always fasten gas cylinder properly in vertical position in a
special holder on the wall or on a carriage. Remember to
close gas cylinder valve after having finished welding.
WARNING
Gas cylinder can be fasten on the machine's shelf, but the
height of gas cylinder doesn't have to be higher than
43in/1,1m. See the Figure 15. The gas cylinder which is
fastened on the machine's shelf has to be secured by
attaching it to the machine using the chain.
Figure 17.
43 48
47
46
44
45
English