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Northern Industrial Welder
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Instructions and Parts Manual
Flux Core 125
Wire Feed, Gasless Welder
High pressure cylinders can explode
if damaged, so treat them carefully.
-Never expose cylinders to high heat,
sparks, open flames, mechanical
shocks or arcs
-Do not touch cylinder with MIG gun.
-Do not weld on the cylinder.
-Always secure cylinder upright to a
cart or stationary object cart or
stationary object
-Do not touch cylinder with MIG gun.
-Do not weld on the cylinder.
-Always secure cylinder upright to a
cart or stationary object.
-Keep cylinders away from welding or
electrical circuits.
-Use the proper regulators, gas hose
and fittings for the specific application
Assembly
INSTALLING THE HANDLE
1. Line up the holes in the handles
with the holes on the top of the
welder.
2 Place a lock washer then a washer
onto the welder handle screws.
3 Insert the screws with the washers
through the holes on the welder
handle and into the top of the welder
and tighten.
MIG gun/torch assembled,
some assembly required for
ground cable.
Installation
1. Power requirement
AC single phase 115v (110-120V),
60HZ fused with a 20amp time
delayed fuse or circuit breaker is
required. DO NOT OPERATE THIS
UNIT if the ACTUAL power source
voltage is less than 105 volts ac or
greater than 132 volts ac.
• High voltage danger from power
source! Consult a qualified
electrician for proper installation of
receptacle. This welder must be
grounded while in use to protect
the operator from electrical shock.
• Do not remove grounding prong
or alter the plug in any way. Do
not use any adapters between the
welder’s power cord and the power
source receptacle. Make sure the
POWER switch is OFF when
connecting your welder’s power
cord to a properly grounded 115
VAC, 60Hz, 1 phase, 20 amp input
power supply.
2. Extension cord
We do not recommend an extension
cord because of the voltage drop they
produce. This drop in voltage can
affect the performance of the welder.
If you need to use an extension cord
it must be a size #12 gauge or larger.
Do not use an extension cord over 25
ft. in length.
3. Install the wire roller
Open the wire feed compartment.
Before installing any welding wire into
the unit, the proper sized groove must
be placed into position on the wire
drive mechanism. Adjust the drive
roller according to the following steps,
see following picture about the wire
feeder structure: