12
Assembly Instructions
6. Pull the drive roller (1) away from the drive roller shaft (2)
(fig F).
JM-1998594-10
fig F
1
2
Based on the wire diameter, select the drive roller with the
appropriate roller groove. Install the selected drive roller over the
drive roller shaft.
Note:
When installing the drive roller, the number stamped on
the drive roller should face the user. Push the drive roller onto
the drive roller shaft.
7. Reinstall the drive roller cap and lock in place by turning it
clockwise. Close the wire drive compartment.
5.3 Pre-adjustments
WARNING
• ALWAYS SWITCH OFF THE POWER AND UNPLUG THE
POWER CORD FROM THE AC POWER SOURCE BEFORE
INSTALLING THE WIRE.
• REMOVE ANY WIRE OR WIRE SPOOL THAT IS RUSTY.
• DO NOT WELD METAL THINNER THAN 18 GAUGE, AS DOING
SO MAY BURN THE METAL.
• BEFORE INSTALLING, REMOVE ANY OLD WIRE FROM THE
MIG GUN ASSEMBLY TO PREVENT THE WIRE FROM BEING
JAMMED INSIDE THE GUN LINER.
• USE EXTREME CAUTION WHEN REMOVING THE WELDING
NOZZLE, AS THE CONTACT TIP ON THE WELDER IS LIVE
WHENEVER THE TORCH TRIGGER IS PULLED.
Select the type of wire using the following table:
Wire type
Availability
0.023" MIG wire
Yes
0.03" MIG wire
Yes
Flux-core wire 0.03"
Yes
1. Remove the nozzle (1) and contact tip (2) from the end of
the torch assembly (fig G).
fig G
JM-1998594-11
1
2
2. Ensure the drive roller with proper groove is in place for the
wire to be installed.
3. Identify the leading end of the wire secured on the edge of
the wire spool.
Note:
Do not unhook it at this time.
4. Place the wire spool (1) on the hub with the wire passing
from the bottom of wire spool into the drive mechanism (2)
(fig H).
fig H
JM-1998594-12
X
2
1
Note:
The welder can use either 4" or 8" spool. The 8" spool
requires an adaptor. The wing nut controls the tension on the
spool.