6 Snap-on Tools Corporation Kenosha, WI 53141-1410
3. Place the spool of ER70S-6 weld-
ing wire onto the hub. The wire
is fed off the bottom of the
spool.
CAUTION
Look for wire protruding
from the center of the
spool. The protruding wire
is electrically HOT during
welding and must not touch
the machine.
4. Replace the spool clip on the
hub.
5. Unlatch the pressure roll arm
and swing it open.
6. Make sure the double v-groove
drive roll is installed to match
the wire size. To change the
wire size setting, remove the
drive roll, turn it over and
reinstall it on the shaft.
7. Release the wire from the spool
and trim off the kinked end with
wire cutters. The wire must be
straight when it enters the
inlet guide.
TORCH CONNECTION
1. Open the access door of the Feed
unit to its fullest extent.
2. Back out the thumb screw located
on the drive assembly mounting
bracket inside the machine. In-
sert the MIG torch into the torch
panel mount on the front panel
and TIGHTEN THE THUMB SCREW.
DRIVE
ASSEMBLY
MOUNTING
BRACKET
DRIVE
ROLL
TORCH
PANEL
MOUNT
THUMB
SCREW
PRESSURE
ROLL
INLET
GUIDE
MIG
TORCH
FITTING AND THREADING THE ELEC-
TRODE WIRE - ALWAYS USE ER70S-6
WELDING WIRE WHEN WELDING STEEL.
1. Remove the wire spool clip from
the spool hub.
2. Unpack the spool of welding wire
from its protective packaging.
INSTALLATION (Cont.)
FIG. 7. TORCH CONNECTION
FIG. 8. DOUBLE GROOVE DRIVE ROLL
"B" SIDE FACING IN FOR
.023" - .035" STEEL WIRES
"C" SIDE FACING IN FOR
.040" - .045" STEEL WIRES
AND 3/64" ALUMINUM WIRES
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