Lincoln Electric WF 52D Operator's Manual page 22

Changing Driving Rolls
WARNING
Turn the input power off before installation or changing
drive rolls.
Wire Feeders WF 52 is equipped with drive roll
V1.0/V1.2 for steel wire. For others wires and sizes it is
required to install proper
"Accessories" chapter) and follow instruction:

Turn the input power OFF.

Unlock 4 rolls by turning 4 Quick-Change Carrier
Gear [40].

Release the pressure roll levers [41].

Change the drive rolls [34] 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 [37] and [38].

The guide tube of the Euro Socket [36].

Lock 4 new rolls by turning 4 Quick-Change Carrier
Gear [40].

Insert the wire through the guide tube, over the roller
and through the guide tube of Euro Socket into liner
of gun. The wire can be pushed into the liner
manually for a few centimeters, and should feed
easily and without any force.

Lock the pressure roll levers [41].
36
Figure 10
English
drive rolls kit (see
41
38
37
40
39
Gas Connection

CYLINDER may explode if damaged.

Always fix the gas cylinder securely in an
upright position, against a cylinder wall
rack or purpose-made cylinder cart.

Keep cylinder away from areas where it
may be damaged, heated, or electrical
circuits to prevent possible explosion or
fire.

Keep cylinder away from welding or
other live electrical circuits.

Never lift welder with cylinder attached.

Never allow welding electrode to touch
cylinder.

Build up of shielding gas may harm
health or kill. Use in a well-ventilated
area to avoid gas accumulation.

Close the gas cylinder valves thoroughly
when not in use to avoid leaks.
The welding machine supports all suitable shielding
gases at a maximum pressure of 5,0 bar.
Before use, make sure that the gas cylinder contains gas
suitable for the intended purpose.

Turn off input power at the welding power source.

Install a proper gas flow regulator to the gas cylinder.

Connect the gas hose to the regulator using the hose
clamp.

The other end of the gas hose connect to the gas
connector on the power source rear panel or directly
to the quick connector located on the rear panel of
the wire feeder ]. More details you will find in power
source instruction manual.

Connect by dedicated interconnection cable (see
„Accessories" chapter) wire feeder and power
source.

Turn on input power at the welding power source.

Open the gas cylinder valve.

Adjust the shielding gas flow of the gas regulator.

Check gas flow with Gas Purge Switch [12].
To weld GMAW process with CO
gas heater should be used.
20
WARNING
WARNING
WARNING
WARNING
shielding gas, CO
2
English
2