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Northern Industrial Welder
Operating Instructions and Parts Manual

MIG 130

Installation

1. Power requirement

AC single phase 115v (110-120V),
60HZ fused with a 20 amp 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:

3.1. Open the door to the welder drive
compartment.
3.2. Remove the drive tension (see 1)
by loosening the tension adjusting
knob and lifting the Drive Tension
Adjustor away from the Drive Tension
Arm (see 2). Lift the drive tension arm
away from the drive roller (see 3).
See following images for reference

3.3. If there is wire already installed in
the welder, roll it back onto the wire
spool by hand-turning the spool
clockwise. Be careful not to allow the
wire to come out of the rear end of
the inlet guide tube without holding
onto it or it will unspool itself. Put the

Drive
tension
arm

Inlet Guide
Tube

Gun
liner

Drive
Roller

Drive
Tension
Adjustment

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Содержание MIG 130

Страница 1: ...781 OPERATOR S MANUAL Read carefully and understand RULES FOR SAFE OPERATION and instructions before operating Failure to follow the safety rules and other basic safety precautions may result in serious personal injury ...

Страница 2: ...ertain applications only Northern Tool Equipment strongly recommends that this machine not be modiﬁed and or used for any application other than that for which it was designed If you have questions relative to a particular application DO NOT use the machine before you contact Northern Tool Equipment to determine if it can be performed on the product Before using this welding unit please read the f...

Страница 3: ...el 20 gauge to 3 16 in hobby and light industrial applications Specifications and Dimension MODEL MIG130 Power supply 1ph 115V 60HZ No load voltage 34V Output Range 30 65A Peak current 80A Duty cycle 20 Suggested wire MIG and Flux core wire Wire Diameter 023 030 035 Dimension L x W x H 17 7 x9 3 x14 3 Weight 50 Lbs Removing from carton 1 1 Remove cartons bags or Styrofoam containing the welder and...

Страница 4: ...g cable and MIG gun to the work piece It is attached to the drive system the gun trigger activates the drive motor Thermal Indicator If the internal temperatures exceed safe operating temperatures the machine will shut down The Thermal overload light will come on to indicate this allow 15 minutes for cool down before the light goes off and the temperature falls into the allowable operating range P...

Страница 5: ...ot allow any body part to come in contact with the welding wire if you are in contact with the material being welded ground or electrode from another welder Do not weld if you are in an awkward position Always have a secure stance while welding to prevent accidents Wear a safety harness if working above ground Do not drape cables over or around your body Wear a full coverage helmet with appropriat...

Страница 6: ...s when heated Vapors from cleaners sprays and degreasers can be highly toxic when heated UV and IR Arc Rays The welding arc produces ultraviolet UV and infrared IR rays that can cause injury to your eyes and skin Do not look at the welding arc without proper eye protection Always use a helmet that covers your full face from the neck to top of head and to the back of each ear Use a lens that meets ...

Страница 7: ...omagnetic fields can interfere with various electrical and electronic devices such as pacemakers Consult your doctor before using any electric arc welder or cutting device Keep people with pacemakers away from your welding area when welding Do not wrap cable around your body while welding Wrap MIG gun and ground cable together whenever possible Keep MIG gun and ground cables on the same side of yo...

Страница 8: ...op 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 ...

Страница 9: ...be facing you Push the drive roller onto the drive roller shaft 3 7 Reinstall the Drive Roller Cap and lock in place by turning it clockwise 3 8 Close the door to the welder drive compartment 4 Install the wire 4 1 selecting the wire Available wire for this machine Wire Type Available or not 023 MIG wire Yes 030 MIG wire Yes Flux core wire 030 inch Yes Flux core wire 035 inch Yes Both four inch or...

Страница 10: ...he spool into the drive mechanism See following chart 4 2 5 The welder can use both 4in and 8in spool see the illustration below The wing nut controls the tension on the spool 4 2 6 Setting the spool tension a Turn the spool of wire with one hand b Tighten the wing nut while the spool is turning until it slows down c Stop tightening the wing nut when drag or tension is felt on the spool NOTE If TO...

Страница 11: ...ue to inherent variances in flux cored welding wire it may be necessary to use a contact tip one size larger than your flux core wire if wire jams occur 4 2 20 Slide the contact tip over the wire protruding from the end of the MIG gun Thread the contact tip into the end of the gun and hand tighten securely 4 2 21 Install the nozzle on the gun assembly To keep spatter from sticking to inside of the...

Страница 12: ...ding refer to the set up chart inside the wire feed compartment also Mild steel Use 75 Argon and 25 for reduced spatter and reduced penetration for thinner materials Do NOT USE Argon gas concentrations higher than 75 on steel The result will be extremely poor penetration porosity and brittleness of weld Mild Steel Use CO2 for deeper penetration but increased spatter Stainless steel Use a mixed gas...

Страница 13: ...on the torch to the work piece There are two angles of the torch nozzle in relation to the work piece that must be considered when welding 3 1 Angle A can be varied but in most cases the optimum angle will be 60 degrees the point at which the torch handle is parallel to the work piece If angle A is increased penetration will increase If angle A is decreased penetration will decrease also 3 2 Angle...

Страница 14: ...at and penetration for a given heat setting by selecting higher or lower wire speed settings Repeat this tune in procedure if you select a new heat setting a different diameter wire or a different type of welding wire 6 Welding Techniques EXPOSURE TO A WELDING ARC IS EXTREMELY HARMFUL TO THE EYES AND SKIN Prolonged exposure to the welding arc can cause blindness and burns Never strike an arc or be...

Страница 15: ...n weld in the flat position if at all possible as good results are easier to achieve HORIZONTAL POSITION It is performed very much the same as the flat weld except that angle B see HOLDING THE TORCH is such that the wire Directed more toward the metal above the weld joint is to help prevent the weld puddle from running downward while still allowing slow enough travel speed A good starting point fo...

Страница 16: ...E it is very important to thoroughly chip and brush the slag off each completed weld bead before making another pass or the next pass will be of poor quality Fillet Weld Joints Most fillet weld joints on metals of moderate to heavy thickness will require multiple pass welds to produce strong joint The illustrations in Figure 19 show the sequence of laying multiple pass beads into a T fillet joint ...

Страница 17: ...heat setting recommended above for the method of spot welding you intend to use 2 Tune in the wire speed as if you were going to make a continuous weld 3 Hold the nozzle piece completely perpendicular to and about 1 4 inch off the work piece 4 Pull the trigger on the torch and release it when it appears that the desired penetration has been achieved 5 Make practice spot welds on scrap metal varyin...

Страница 18: ... 5 Wrong welding wire 1 Check the power source 2 Check for proper grounding to the work piece 3 Check output connection 4 Clean surfaces 5 Use correct wire Blown fuse or tripped circuit breaker Inadequate fuse or circuit breaker Check the fuse in power source should be 20amp Arc is hard to start 1 The wrong welding wire 2 Base metal not grounded reliable 1 Use correct one 2 Make sure the connectio...

Страница 19: ...Northern Industrial Welder Operating Instructions and Parts Manual MIG 130 Main Circuit Chart The circuit chart of Wire Feed Welder Only for reference no notification will be given if there are any changes ...

Страница 20: ...ding cable clamp 1 14 130 05 1 2 Cable retainer 2 05 05 202 1 3 Front Panel 2 05 05 073 1 4 Wire Feed Knob 2 07 11 009 1 5 PCB holder 2 05 05 106 1 6 PCB 1 14 130 17 1 7 Feet 2 05 05 016 4 8 Thermal relay 2 07 36 527 1 9 Main transformer 1 14 131 25 1 10 Cover 1 14 131 49 1 11 Base 1 14 131 45 1 12 Cable holder 2 05 05 201 1 13 Power cord with plug 2 03 05 147 1 ...

Страница 21: ...ver 5 02 01 502 1 22 4 Large spool adaptor 2 05 17 008 1 22 5 Washer 5 02 01 504 1 22 6 Spool holder Bushing 2 05 17 010 1 22 7 Flat washer 2 06 17 005 1 22 8 Wing Nut 2 06 05 002 1 23 Fuse 2 07 52 014 1 24 Fuse holder 2 07 52 005 1 25 Circuit breaker 2 07 80 301 1 1 26 Left board 1 14 131 48 1 27 Door lock 2 05 05 019 1 28 Connection terminal 2 05 03 104 1 29 Connection terminal 2 05 03 113 1 30 ...

Страница 22: ...k NY 10036 Tel 212 642 4900 Fax 212 398 0023 www ansi org NFPA Standard 51B CUTTING AND WELDING PROCESS obtainable from National Fire Protection Association 1 Batterymarch Park P O Box 9101 Quincy MA 02269 9101 Tel 617 770 3000 Fax 617 770 0700 www nfpa org OSHA Standard 29 CFR Part 1910 Subpart Q WELDING CUTTING AND BRAZING obtainable from your state OSHA office or from U S Dept of Labor OSHA Off...

Страница 23: ... days of the failure so as to provide instructions on how to proceed with the repair of your welder and warranty claim processing Warranty period begins at the time the welder is purchased from Northern Tool Equipment Warranty Periods Limited Warranty is divided into four categories No warranty 6 months 1 year 2 year No Warranty Normal wear items MIG gun parts contact tips nozzle adapter MIG gun l...

Страница 24: ...Northern Tool Equipment Co 2800 Southcross Drive West PO Box 1219 Burnsville MN 55337 ...

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