Tweco 350 4R Wirefeeder - Manual (Page 33)

5-1 Manual 0-5182
set up weldskill 250, 350
Setup
SECTION 5:
SET UP FOR THE WELDSKILL 250 & 350 POWER SOURCE
5.01 Setup For The WeldSkill 250 & 350 MIG Power Source
Power Source Connections
A. Remove all packaging materials.
B. Connect the work lead to the negative welding terminal (-) [positive welding terminal (+) for flux cored
electrode wire]. If in doubt, consult the electrode wire manufacturer.
C. Position a gas cylinder on the rear tray of the Power Source and lock securely to the Power Source cyl-
inder bracket with the chain provided. If this arrangement is not used or the Power Source is not fitted
with a gas cylinder tray then ensure that the gas cylinder is secured to a building pillar, wall bracket or
otherwise securely fixed in an upright position.
D. Connect the TORCH power cable to the positive welding terminal (+) [negative welding terminal (-) for
flux cored electrode wire]. If in doubt, consult the electrode wire manufacturer.
E. Fit the gas regulator and flowmeter to the gas cylinder then connect the gas hose from the rear of the
Power Source to the Flowmeter outlet.
F. Dual groove feed rollers are supplied as standard. They can accommodate 0.9/1.2mm diameter hard
wires. Select the roller required with the chosen wire size marking facing outwards.
GROOVE “B” GROOVE “A”
GROOVE “A” SIZE GROOVE “B” SIZE
Art # A-08739
G. Fit the electrode wire spool to the wire reel hub. (Note that there is an adaptor supplied when using
200mm diameter wire spools). Ensure that the drive dog-pin engages the mating hole in the wire spool.
Push the spool securing clip into place to retain the wire spool securely. The electrode wire should feed
from the bottom of the spool.
H. MIG Torch, EURO MIG Torch Connection
Fit the MIG Torch to the Power Source by pushing the torch connector into the brass torch adaptor and
screwing the plastic torch nut clockwise to secure the torch to the torch adaptor. Remove the contact tip
from the torch handset.