Vulcan-Hart OMNIPRO 220 Istruzioni per il montaggio
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Owner’s Manual & Safety Instructions
Save This Manual%Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference. 17i
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-380-0318 as soon as possible.
Copyright© 2017 by Harbor Freight Tools®. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assem bly and service may not be included.
;*,9%$."#%5,$*(",7%+*2&(*%'#"83%$."#%/(&9'4$1%
<,"7'(*%$&%9&%#&%4,8%(*#'7$%"8%#*("&'#%"8='(>1%
?@!6%ABC?%D@EF@G1
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Safety ................................................................. 2
Specifications ..................................................... 7
Controls .............................................................. 8
MIG / Flux-Cored Wire Welding .......................... 10
TIG / Stick Welding ............................................. 24
Welding Tips ......................................................34
Maintenance ......................................................41
Parts List and Diagram ......................................46
Warranty ............................................................48
P@;ECER%?ODWVG?%@EQ%Q6<CECACVE?
This is the Safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all Safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
CDSV;A@EA%?@<6AO%CE<V;D@ACVE
;*,9%,77%?,2*$>%),(8"83#%,89%"8#$('4$"&8#1%%
<,"7'(*%$&%2&77&)%$.*%),(8"83#%,89%"8#$('4$"&8#%5,>%(*#'7$%"8%*7*4$("4%#.&4XI%2"(*%,890&(%#*("&'#%"8='(>1%%%
?,Y*%,77%),(8"83#%,89%"8#$('4$"&8#%2&(%2'$'(*%(*2*(*84*1
R*8*(,7%?,2*$>
S;VA6TA%>&'(#*72%,89%&$.*(#1%%;*,9%,89%'89*(#$,89%$."#%"82&(5,$"&81
1. W*2&(*%'#*I%(*,9%,89%'89*(#$,89%
manufacturer′s instructions,
Material Safety Data Sheets (MSDS′s),
employer′s Safety practices, and ANSI Z49.1.
2. U**/%&'$%&2%(*,4.%&2%4."79(*81%%%
Keep children and bystanders away while operating.
3. S7,4*%$.*%)*79*(%&8%,%#$,+7*%7&4,$"&8%+*2&(*%'#*1%%%
If it falls while plugged in, severe injury,
electric shock, or fire may result.
4. Q&%8&$%&Y*((*,4.1%%%
U**/%/(&/*(%2&&$"83%,89%+,7,84*%,$%,77%$"5*#1
5. ?$,>%,7*($I%),$4.%).,$%>&'%,(*%9&"83%,89%'#*%
4&55&8%#*8#*%).*8%&/*(,$"83%,%)*79*(1%%
Q&%8&$%'#*%,%)*79*(%)."7*%>&'%,(*%$"(*9%&(%'89*(%
$.*%"827'*84*%&2%9('3#I%,74&.&7%&(%5*9"4,$"&81
A moment of inattention while operating welders
may result in serious personal injury.
6. @Y&"9%'8"8$*8$"&8,7%#$,($"831%%Make sure you are
prepared to begin work before turning on the Welder.
7. E*Y*(%7*,Y*%$.*%P*79*(%'8,$$*89*9%)."7*%
*8*(3"Z*91%Turn power off if you have to leave.
8. A.*%),(8"83#I%/(*4,'$"&8#I%,89%"8#$('4$"&8#%
9"#4'##*9%"8%$."#%"8#$('4$"&8%5,8',7%4,88&$%
4&Y*(%,77%/&##"+7*%4&89"$"&8#%,89%#"$',$"&8#%
$.,$%5,>%&44'(1%%It must be understood by the
operator that common sense and caution are
factors which cannot be built into this product,
but must be supplied by the operator.
Page 3<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKMLNKNMJL1Item 63621
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<'5*%,89%R,#%?,2*$>
INHALATION HAZARD:%
P*79"83%,89%S7,#5,%T'$$"83%/(&9'4*%$&["4%2'5*#1
1. 6[/&#'(*%$&%)*79"83%&(%4'$$"83%*[.,'#$%
2'5*#%4,8%"84(*,#*%$.*%("#X%&2%9*Y*7&/"83%
4*($,"8%4,84*(#I%#'4.%,#%4,84*(%&2%$.*%
7,(>8[%,89%7'83%4,84*(1 Also, some diseases
that may be linked to exposure to welding
or plasma cutting exhaust fumes are:
• Early onset of Parkinson’s Disease
• Heart disease
• Ulcers
• Damage to the reproductive organs
• Inflammation of the small intestine or stomach
• Kidney damage
• Respiratory diseases such as
emphysema, bronchitis, or pneumonia
Use natural or forced air ventilation and wear
a respirator approved by NIOSH to protect
against the fumes produced to reduce the
risk of developing the above illnesses.
2. Q&%8&$%'#*%8*,(%9*3(*,#"83%&(%
/,"8$"83%&/*(,$"&8#1
3. U**/%.*,9%&'$%&2%2'5*#1%%
Do not breathe exhaust fumes.
4. F#*%*8&'3.%Y*8$"7,$"&8I%*[.,'#$%,$%,(4I%&(%
+&$.I%$&%X**/%2'5*#%,89%3,#*#%2(&5%+(*,$."83%
Z&8*%,89%3*8*(,7%,(*,1%%If engineering controls
are not feasible, use an approved respirator.
5. P&(X%"8%,%4&82"8*9%,(*,%&87>%"2%"$%
"#%)*77KY*8$"7,$*9I%&(%)."7*%)*,("83%
,8%,"(K#'//7"*9%(*#/"(,$&(1
6. B,Y*%,%(*4&38"Z*9%#/*4",7"#$%"8%
C89'#$(",7%B>3"*8*%&(%68Y"(&85*8$,7%?*(Y"4*#%
4.*4X%$.*%&/*(,$"&8%,89%,"(%H',7"$>%
,89%5,X*%(*4&55*89,$"&8#%
2&(%$.*%#/*4"2"4%)*79"83%#"$',$"&81%%
Follow OSHA guidelines for
Permissible Exposure Limits (PEL’s) and
the American Conference of Governmental
Industrial Hygienists recommendations for
Threshold Limit Values (TLV’s) for fumes and gases.
@(4%;,>%?,2*$>
@;T%;@O?%4,8%"8='(*%*>*#%,89%+'(8%#X"81
1. P*,(%@E?CK,//(&Y*9%)*79"83%*>*%/(&$*4$"&8%
2*,$'("83%,$%7*,#$%,%8'5+*(%JN%#.,9*%7*8#%(,$"831
2. P*,(%7*,$.*(%7*33"83#I%2"(*%(*#"#$,8$%#.&*#%
&(%+&&$#%9'("83%'#*1%%Do not wear pants with
cuffs, shirts with open pockets, or any clothing
that can catch and hold molten metal or sparks.
3. U**/%47&$."83%2(**%&2%3(*,#*I%&"7I%
#&7Y*8$#I%&(%,8>%27,55,+7*%#'+#$,84*#1%%
Wear dry, insulating gloves and protective clothing.
4. P*,(%,8%,//(&Y*9%.*,9%4&Y*("83%$&%/(&$*4$%
$.*%.*,9%,89%8*4X1%Use aprons, cape, sleeves,
shoulder covers, and bibs designed and
approved for welding and cutting procedures.
5. P*,(%,8%,//(&Y*9%)*79"83%=,4X*$%&(%7&83%#7**Y*#%
$&%/(&$*4$%2&(*,(5#%2(&5%(,9",$"&8%+'(8#1%
6. P.*8%)*79"8304'$$"83%&Y*(.*,9%&(%"8%4&82"8*9%
#/,4*#I%)*,(%27,5*%(*#"#$,8$%*,(%/7'3#%&(%
*,(%5'22#%$&%X**/%#/,(X#%&'$%&2%*,(#1
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6G6TA;CT%?BVTU%4,8%UCGG1
1. A'(8%&22I%9"#4&88*4$%/&)*(I%,89%
9"#4.,(3*%*7*4$(&9*%$&%3(&'89%+*2&(*%#*$$"83%
9&)8%$&(4.0*7*4$(&9*%.&79*(%,89%+*2&(*%#*(Y"4*1
2. Q&%8&$%$&'4.%*8*(3"Z*9%*7*4$("4,7%/,($#1%%
Wear dry, insulating gloves. Do not touch electrode
holder, electrode, welding torch, or welding wire with
bare hand. Do not wear wet or damaged gloves.
3. T&88*4$%$&%3(&'89*9I%R<TCK/(&$*4$*9%
/&)*(%#'//7>%&87>1
4. Q&%8&$%'#*%8*,(%),$*(%&(%9,5/%&+=*4$#1
5. S*&/7*%)"$.%/,4*5,X*(#%#.&'79%4&8#'7$%$.*"(%
physician(s) before use. Electromagnetic fields
in close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.
6. Q&%8&$%*[/&#*%)*79*(#%$&%(,"8%&(%)*$%4&89"$"&8#1%%%
Water entering a welder will increase
the risk of electric shock.
7. Q&%8&$%,+'#*%$.*%4&(91%%E*Y*(%'#*%$.*%4&(9%
2&(%4,((>"83I%/'77"83%&(%'8/7'33"83%$.*%)*79*(1%%
U**/%4&(9%,),>%2(&5%.*,$I%&"7I%#.,(/%*93*#%
&(%5&Y"83%/,($#1%%Damaged or entangled
cords increase the risk of electric shock.
8. Q&%8&$%'#*%&'$9&&(#1
9. C8#'7,$*%>&'(#*72%2(&5%$.*%)&(X/"*4*%,89%
3(&'891%Use nonflammable, dry insulating
material if possible, or use dry rubber mats,
dry wood or plywood, or other dry insulating
material large enough to cover your full
area of contact with the work or ground.
10. ABC?%P6GQCER%D@TBCE6%DF?A%W6%
TVEE6TA6Q%AV%SVP6;%?VF;T6%CE%
@TTV;Q@ET6%PCAB%@SSGCT@WG6%
6G6TA;CT@G%TVQ6?1
<"(*%?,2*$>
@;T%@EQ%?G@R%4,8%4,'#*%2"(*1
1. T7*,(%,),>%&(%/(&$*4$%27,55,+7*%&+=*4$#1%%%
Remove or make safe all combustible materials for a
radius of 35 feet (10 meters) around the work area.
Use a fire resistant material to cover
or block all open doorways, windows,
cracks, and other openings.
2. U**/%@WTK$>/*%2"(*%*[$"83'"#.*(%8*,(%
)&(X%,(*,%,89%X8&)%.&)%$&%'#*%"$1
3. D,"8$,"8%,%#,2*%)&(X"83%*8Y"(&85*8$1%%%
Keep the work area well lit.
Make sure there is adequate
surrounding workspace. Keep the work area free
of obstructions, grease, oil, trash, and other debris.
4. Q&%8&$%&/*(,$*%)*79*(#%"8%,$5&#/.*(*#%
4&8$,"8"83%9,83*(&'#7>%(*,4$"Y*%&(%
27,55,+7*%7"H'"9#I%3,#*#I%Y,/&(#I%&(%9'#$1%%
Provide adequate ventilation in work areas
to prevent accumulation of such substances.
Welders create sparks which may ignite flammable
substances or make reactive fumes toxic.
5. C2%)&(X"83%&8%,%5*$,7%),77I%4*"7"83I%*$41I%
/(*Y*8$%"38"$"&8%&2%4&5+'#$"+7*#%&8%$.*%
&$.*(%#"9*%+>%5&Y"83%$.*%4&5+'#$"+7*#%$&%,%
#,2*%7&4,$"&81 If relocation of combustibles is
not possible, designate someone to serve as
a fire watch, equipped with a fire extinguisher,
during the cutting process and for at least one
half hour after the cutting is completed.
6. Q&%8&$%)*79%&(%4'$%&8%5,$*(",7#%.,Y"83%
,%4&5+'#$"+7*%4&,$"83%&(%4&5+'#$"+7*%
"8$*(8,7%#$('4$'(*I%,#%"8%),77#%&(%4*"7"83#I%)"$.&'$%
,8%,//(&Y*9%5*$.&9%2&(%*7"5"8,$"83%$.*%.,Z,(91
7. Q&%8&$%9"#/&#*%&2%.&$%#7,3%"8%4&8$,"8*(#%
.&79"83%4&5+'#$"+7*%5,$*(",7#1
8. @2$*(%)*79"83I%5,X*%,%$.&(&'3.%*[,5"8,$"&8%
2&(%*Y"9*84*%&2%2"(*1%%Be aware that easily
visible smoke or flame may not be present
for some time after the fire has started.
9. Q&%8&$%,//7>%.*,$%$&%,%4&8$,"8*(%$.,$%.,#%.*79%
,8%'8X8&)8%#'+#$,84*%&(%,%4&5+'#$"+7*%
5,$*(",7%).&#*%4&8$*8$#I%).*8%.*,$*9I%
4,8%/(&9'4*%27,55,+7*%&(%*[/7&#"Y*%Y,/&(#1%%
Clean and purge containers before applying heat.
Vent closed containers, including castings,
before preheating, welding, or cutting.
Page 5<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKMLNKNMJL1Item 63621
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1. Q&%8&$%'#*%$.*%)*79*(%"2%$.*%#)"$4.%9&*#%8&$%$'(8%
"$%&8%,89%&221%%Any welder that cannot be controlled
with the switch is dangerous and must be repaired.
2. Q"#4&88*4$%$.*%/7'3%2(&5%$.*%/&)*(%
#&'(4*%+*2&(*%5,X"83%,8>%,9='#$5*8$#I%
4.,83"83%,44*##&("*#I%&(%#$&("83%)*79*(#1%%
Such preventive Safety measures reduce the
risk of starting the welder accidentally.
3. S(*Y*8$%'8"8$*8$"&8,7%#$,($"831%
68#'(*%$.*%#)"$4.%"#%"8%$.*%&22K
/&#"$"&8%+*2&(*%4&88*4$"83%$&%/&)*(%
#&'(4*%&(%5&Y"83%$.*%)*79*(1 Carrying
or energizing welders that have the
switch on invites accidents.
4. ?$&(*%"97*%)*79*(#%&'$%&2%$.*%(*,4.%&2%
4."79(*8%,89%9&%8&$%,77&)%/*(#&8#%'82,5"7",(%
)"$.%$.*%)*79*(%&(%$.*#*%"8#$('4$"&8#%$&%
&/*(,$*%$.*%)*79*(1%%Welders are dangerous
in the hands of untrained users.
5. F#*%$.*%)*79*(%,89%,44*##&("*#%"8%
,44&(9,84*%)"$.%$.*#*%"8#$('4$"&8#I%$,X"83%
"8$&%,44&'8$%$.*%)&(X"83%4&89"$"&8#%,89%
$.*%)&(X%$&%+*%/*(2&(5*91 Use of the welder
for operations different from those intended
could result in a hazardous situation.
6. Q&%8&$%'#*%$.*%)*79*(%2&(%/"/*%$.,)"831
D,"8$*8,84*
1. D,"8$,"8%)*79*(#1%%T.*4X%2&(%5"#,7"385*8$%&(%
+"89"83%&2%5&Y"83%/,($#I%+(*,X,3*%&2%/,($#%
,89%,8>%&$.*(%4&89"$"&8%$.,$%5,>%,22*4$%$.*%
)*79*(\#%&/*(,$"&81%%C2%9,5,3*9I%.,Y*%$.*%
)*79*(%(*/,"(*9%+*2&(*%'#*1 Many accidents
are caused by poorly maintained welders.
2. B,Y*%>&'(%)*79*(%#*(Y"4*9%+>%,%H',7"2"*9%
(*/,"(%/*(#&8%'#"83%&87>%"9*8$"4,7%
(*/7,4*5*8$%/,($#1%%This will ensure that
the Safety of the welder is maintained.
3. D,"8$,"8%7,+*7#%,89%8,5*/7,$*#%&8%$.*%P*79*(1%%%
These carry important information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
4. F8/7'3%+*2&(*%5,"8$*8,84*1%Unplug the Welder
from its electrical outlet before any inspection,
maintenance, or cleaning procedures.
R,#%?."*79*9%P*79"83%K%T>7"89*(%?,2*$>
T>7"89*(#%4,8%*[/7&9*%).*8%9,5,3*91
1. Q&%8&$%)*79%&8%,%/(*##'("Z*9%&(%47&#*9%4>7"89*(1
2. Q&%8&$%,77&)%,8%*7*4$(&9*%.&79*(I%
*7*4$(&9*I%)*79"83%$&(4.I%&(%)*79"83%
)"(*%$&%$&'4.%$.*%4>7"89*(1
3. U**/%4>7"89*(#%,),>%2(&5%,8>%*7*4$("4,7%4"(4'"$#I%
"847'9"83%)*79"83%4"(4'"$#1
4. U**/%/(&$*4$"Y*%4,/%"8%/7,4*%&Y*(%$.*%Y,7Y*%
*[4*/$%).*8%$.*%4>7"89*(%"#%"8%'#*1
5. F#*%&87>%4&((*4$%3,#%#."*79"83%*H'"/5*8$%
9*#"38*9%#/*4"2"4,77>%2&(%$.*%$>/*%&2%)*79"83%
>&'%)"77%9&1%%Maintain this equipment properly.
6. S(&$*4$%3,#%4>7"89*(#%2(&5%.*,$I%+*"83%#$('4XI%
/.>#"4,7%9,5,3*I%#7,3I%27,5*#I%#/,(X#I%,89%,(4#1
7. F#*%/(&/*(%/(&4*9'(*#%$&%5&Y*%4>7"89*(#1
%?@!6%AB6?6%CE?A;FTACVE?1
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Wire Feed (Speed)
Workpiece Ground Cable
Torch Cable
Overheat Shutdown Indicator
Cooling Fan
Housing Ground Point
!@TVolts Alternating Current
@Amperes
VT! Open Circuit Voltage
U!@ Kilovolt Amperes
(Volts / 1000 * Amperes)
CSD Inches Per Minute
@PRAmerican Wire Gauge
Electric Shock Hazard.
Do not touch energized parts.
Inhalation Hazard.
Keep head out of fumes
and use proper ventilation.
Read manual before
setup and/or use.
Fire Hazard.
Keep flammable materials
away during welding. Spatter
can cause accidental fires.
Arc Ray Hazard.
Wear welding helmet with
properly rated filter lens.
Pacemaker Hazard.
Welding processes may
interfere with pacemakers.
Consult doctor before use.
R(&'89"83
AV%S;6!6EA%6G6TA;CT%?BVTU%@EQ%Q6@AB%%
<;VD%CETV;;6TA%R;VFEQCER%PC;6%TVEE6TACVE-%
T.*4X%)"$.%,%H',7"2"*9%*7*4$("4",8%"2%>&'%,(*%"8%9&'+$%,#%$&%).*$.*(%$.*%&'$7*$%"#%
/(&/*(7>%3(&'89*91%%Q&%8&$%'#*%$.*%)*79*(%"2%$.*%/&)*(%4&(9%&(%/7'3%"#%9,5,3*91%%C2%9,5,3*9I%
.,Y*%"$%(*/,"(*9%+>%,%#*(Y"4*%2,4"7"$>%+*2&(*%'#*1%%C2%$.*%/7'3%)"77%8&$%2"$%$.*%&'$7*$I%.,Y*%,%/(&/*(%&'$7*$%
"8#$,77*9%+>%,%H',7"2"*9%*7*4$("4",8I%9&%8&$%'#*%,9,/$*(%/7'3#1
1. The green wire inside the cord is connected to
the grounding system in the Welder. The green
wire in the cord must be the only wire connected
to the Welder’s grounding system and must
never be attached to an electrically “live” terminal.
Never leave the grounding wire disconnected
or modify either Power Cord Plug in any way.
2. Make sure the tool is connected to an outlet having
the same configuration as the plug. If the tool must
be reconnected for use on a different type of electric
circuit, the reconnection should be made by qualified
service personnel; and after reconnection, the tool
should comply with all local codes and ordinances.
6[$*8#"&8%T&(9#
Q&%8&$%'#*%,8%*[$*8#"&8%4&(9%&8%$."#%)*79*(1
;*/7,4*5*8$%T&(9#
1. F#*%&87>%&8*%&2%$.*%#'//7"*9%/&)*(%4&(9#%2&(%
$."#%)*79*(%&(%,8%"9*8$"4,7%(*/7,4*5*8$%4&(91
2. Q&%8&$%"8#$,77%,%$."88*(%&(%7&83*(%
4&(9%&8%$."#%)*79*(1
3. Q&%8&$%/,$4.%4&(9#%&2%,8>%7*83$.%
$&3*$.*(%2&(%$."#%"$*5I%/,$4.*#%5,>%,77&)%
5&"#$'(*%$&%/*8*$(,$*%$.*%"8#'7,$"&8I%
(*#'7$"83%"8%*7*4$("4%#.&4X1
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DCR
Power Input 120 VAC%0%60 Hz 240 VAC / 60 Hz
Current Input at Output 20.8 A at 100 A 25.5 A at 200 A
Welding Current Range 30 –140 A 30 –220 A
Rated Duty Cycles 40% @ 100 A
100% @ 75 A
25% @ 200 A
100% @ 115 A
Maximum OCV 78 VDC
Weldable Materials Mild Steel, Stainless Steel
Aluminum (with optional Spool Gun)
Welding Wire Capacity Solid Core: 0.025" / 0.030" / 0.035"
Flux Cored: 0.030" / 0.035" / 0.045"
Wire Speed 50 – 500 IPM
Wire Spool Capacity Up to 12 lb spool
ACR
Power Input 120 VAC / 60 Hz 240 VAC / 60 Hz
Current Input at Output 20.6 A at 125 A 15.6 A at 175 A
Welding Current Range 10 A –125 A 10 A –175 A
Rated Duty Cycles 40% @ 125 A
100% @ 90 A
30% @ 175 A
100% @ 105 A
Maximum OCV 78 VDC
Weldable Materials Mild Steel, Stainless Steel, Chrome Moly
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Power Input 120 VAC / 60 Hz 240 VAC / 60 Hz
Current Input at Output 19.5 A at 80 A 23.7 A at 175 A
Welding Current Range 10 A – 80 A 10 A –175 A
Rated Duty Cycles 40% @ 80 A
100% @ 60 A
25% @ 175 A
100% @ 100 A
Maximum OCV 78 VDC
Weldable Materials Mild Steel, Stainless Steel
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E&$*- When using an optional Spool Gun (sold separately), connect the
Spool Gun gas hose to the Spool Gun Gas Outlet.
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1. A'(8%$.*%S&)*(%?)"$4.%V<<%,89%'8/7'3%
$.*%P*79*(%+*2&(*%/(&4**9"831
2. Pull up on the Door Latch,
then open the Door.
3. JK]%S&'89%P"(*%?/&&7%C8#$,77,$"&8-
Remove the Wingnut and Spacer. If
replacing a Spool, remove the old Spool
and all remaining wire from the liners.
4. Place the new Wire Spool over the Spool Spindle
and against the Spool Brake Pad as illustrated.
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5. Replace the Spacer over the
Spool Spindle and secure Spool
in place with the Wingnut.
E&$"4*- If Wire Spool can spin freely, Wingnut is too
loose. This will cause the welding wire to unravel and
unspool which can cause tangling and feeding problems.
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MIG / Flux-Cored Wire Welding
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E&$*-%Remove the protective foam and cardboard from the Welder before setup.
Wire Spool Installation / Wire Setup
Altri manuali per OMNIPRO 220
1
Indice
Altri manuali Vulcan-Hart Sistema di saldatura
