Setting The Welding Current; Electrical Connection - HERKULES HES 105 OG Instructions D'origine

H Hose package mounting
I Pressure roller
J Pressure roller holder
K Pressure roller spring
L Adjusting screw for counter-pressure
Inserting the wire spool (Fig. 14, 15)
Place the wire spool (A) on the spool holder (B).
Ensure that the end of the welding wire is unw-
ound on the side of the wire guide, see arrow.
Inserting the welding wire and adjusting the
wire guide (Fig. 16-22)
•
Push the pressure roller spring (K) upwards
and swing it forwards (Fig. 16).
•
Pull the pressure roller holder (J) with the
pressure roller (I) and pressure roller spring
(K) downwards (Fig. 17).
•
Undo the screws for the feed roller holder (E)
and pull off the feed roller holder (F) upwards
(Fig. 18).
•
Check the feed roller (G). The appropriate
wire thickness must be specified on the top of
the feed roller (G). The feed roller (G) is fitted
with two guide grooves. Turn the feed roller
(G) over if necessary or replace it. (Fig. 19).
•
Position the feed roller holder (F) again and
secure it.
•
Remove the gas nozzle (Fig. 2/10) from the
burner (Fig. 2/11) by turning it clockwise, un-
screw the contact tube (Fig. 3/15). (Fig. 2 – 3).
Place the hose package (Fig. 1/9) on the floor
as straight as possible pointing away from the
welding set.
•
Cut off the first 10 cm of the welding wire
to produce a straight cut with no shoulders,
warping or dirt. Deburr the end of the welding
wire.
•
Push the welding wire through the guide tube
(C) between the pressure and feed rollers
(G/I) into the hose package mounting (H).
(Fig. 20) Carefully push the welding wire by
hand into the hose package until it projects
out of the hose package by approx. 1 cm at
the burner (Fig. 2/11).
•
Undo the adjusting screw for counter-pressu-
re (L) a few turns. (Fig. 22).
•
Push the pressure roller holder (J) with pres-
sure roller (I) and pressure roller spring (K)
upwards again and attach the pressure roller
spring (K) to the adjusting screw for counter-
pressure (L) again (Fig. 21).
•
Now set the adjusting screw for counter-pres-
sure (L) so that the welding wire is positioned
firmly between the pressure roller (I) and feed
Anl_HES_105_OG_SPK7.indb 20 Anl_HES_105_OG_SPK7.indb 20
GB
roller (G) without being crushed. (Fig. 22).
•
Screw the appropriate contact tube (Fig. 3/15)
for the welding wire diameter on to the burner
(Fig. 2/11) and fit the gas nozzle(Fig. 2/10),
turning it clockwise.
•
Set the adjusting screw for the roller brake
(D) so that the wire can still be moved and the
roller stops automatically after the wire guide
has been braked.
6. Operation
6.1 Setting
Since the welding set must be set to suit the spe-
cifi c application, we recommend that the settings
be made on the basis of a test weld.

6.1.1 Setting the welding current

The welding current can be set to 2 diff erent le-
vels using the welding current adjustment switch
(Fig. 1/6). The required welding current depends
on the material thickness, the required penetrati-
on depth and the welding wire diameter.
6.1.2 Setting the wire feed speed
The wire feed speed is automatically adjusted
to the current setting. The fi nal wire feed speed
setting can be made on the welding wire speed
controller (Fig. 1/5). It is advisable to start with
the medium setting and to re-adjust the speed as
necessary. The required quantity of wire depends
on the material thickness, the penetration depth,
the welding wire diameter and also the size of the
gap to be bridged between the workpieces you
wish to weld.

6.2 Electrical connection

6.2.1 Mains connection
See point 5.2
6.2.2 Connecting the earth terminal (Fig. 1/8)
Connect the welding set's earth terminal (8) in the
immediate vicinity of the welding position if possi-
ble. Ensure that the contact point is bare metal.
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