Harbor Freight Tools 68887 - 90 Amp Flux Wire Welder Support and Manuals
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Wire Welder, 90 Amp Flux Chicago Electric Welding - Item#68887 Review Harbor Freight Tools -Part 2/3
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Wire Welder, 90 Amp Flux Chicago Electric Welding - Item#68887 Review Harbor Freight Tools -Part 1/3
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Popular Harbor Freight Tools 68887 Manual Pages
User Manual - Page 3
...SETUP
9. Do not breathe exhaust fumes.
4. Use enough ventilation, exhaust at least a number 10 shade lens rating.
2. When welding/cutting overhead or in Industrial Hygiene or Environmental Services check the operation and air quality and make recommendations for the specific...WELDING TIPS
MAINTENANCE
Item 68887
For technical questions,... (California Health & Safety Code § 25249.5, et seq...
User Manual - Page 4
... produce flammable or explosive vapors. Clean and purge containers before use the cord for eliminating the hazard.
7. Item 68887 Do not operate welders in containers holding combustible materials.
8. Vent closed containers, including castings, before service.
2. Turn off, disconnect power, and discharge electrode to prevent accumulation of combustibles is completed.
6. Never use...
User Manual - Page 5
....
3. Have your Welder serviced by poorly maintained welders.
2. If unreadable or missing, contact Harbor Freight Tools for misalignment or binding of the Welder is dangerous and must be controlled with the Welder or these instructions, taking into account the working conditions and the work to power source or moving parts, breakage of parts and any adjustments, changing...
User Manual - Page 7
... TIPS
MAINTENANCE
Item 68887
For technical questions... Wire Gauge
Setup
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at front of the Handle should lay flush against the top of this manual including all ...text under subheadings therein before assembly. TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: Turn the Power Switch off and unplug the Welder before set...
User Manual - Page 8
...replacing a Spool, remove the old Spool and all remaining wire from the liners.
4. Turn the Welder to OFF and unplug it will unwind counterclockwise . GUN
90 AMP FLUX WIRE WELDER
ITEM 68887
ON
MIN
OFF
MAX
WIRE FEED SPEED
Specifications... problems, set the Spool so that it before proceeding.
2. Place the new flux-core Wire Spool over the Spool Spindle. SAFETY
SETUP
Wire Spool Installation
...
User Manual - Page 12
... the beginning of this manual including all text under subheadings therein before welding anything of value.
GUN
90 AMP FLUX WIRE WELDER
ITEM 68887
TO PREVENT SERIOUS INJURY, FIRE AND BURNS: Keep welding tip clear of grounded objects whenever unit is pluggedWIiRnE F.EED SPEED
ON
MIN
OFF
MAX
Specifications
Wire
0.030" - 0.035" Flux...
User Manual - Page 14
...shuts
90 AMP FLUX WIRE WELDER
ITEM 68887
down and the Overload Indicator lights.
... failure. The settings should only be used again, use shorter welding periods and
OFF
MAX
Specifications
Wire
0.030"...service after every 2 minutes of minutes, within the spaces are the approximate wire feed settings recommended* for more than the prescribed duty cycle time. SAFETY
SETUP
Weld Settings...
User Manual - Page 15
... page.
OFF
MAX
WIRE FEED SPEED
Specifications
Wire
0.030" - 0.035" Flux-Core
Capacity 18 Ga. - 3/16" Steel Plate
Weldable Mild, Low Alloy Steel Materials (Not for Aluminum or Stainless Steel)
GROUND
90 AMP FLUX WIRE WELDER
ITEM 68887
GROUND
120V~ 60Hz 20A
120V~ 60Hz 20A
5.
SAFETY
Setting Up The Weld
1. there must be...
User Manual - Page 17
... DUTY CYCLE!
8. SAFETY
SETUP
BASIC WELDING
GUN
Note:
If Welder is complete, lift the Gun and welding wire clearly away from any necessary adjustments, continue to 2 minutes welding at rated output
GUN
HOLD GUN CLEAR
90 AMP FLUX WIRE WELDER
ITEM 68887
ON
MIN
OFF
MAX
WIRE FEED SPEED
Specifications
Wire
0.030" - 0.035...
User Manual - Page 18
... has cooled and the slag has been removed. Item 68887
MAINTENANCE WEAR ANSI-APPROVED SAFETY GOGGLES
DURING THIS PROCEDURE....Cleaning the Weld
TO PREVENT SERIOUS INJURY: Continue to remedy any problems found. SAFETY
Welding Tips
A good way to test welding ...it is performed on.
slag
weld bead
spatter
base metal
SETUP
BASIC WELDING
WELDING TIPS
Strike Test
A test weld on ...
User Manual - Page 19
... THICKER workpieces properly)
a.Use MAX setting
c. Use faster wire feed
b.Weld more quickly
d.Use longer stickout
Example Weld Diagrams
SETUP
BASIC WELDING
WELDING TIPS
MAINTENANCE
Good ...Materials (Not for Aluminum or Stainless Steel)
ITEM 68887
ON
120V~ 60Hz 20A
MIN
weld slower
GROUND
120V~ 60Hz 20A
OFF
MAX
WIRE FEED SPEED
Specifications
Wire
0.030" - 0.035" Flux-Core
...
User Manual - Page 20
.... Make tack welds to bare metal. 4.
Item 68887
MAINTENANCE POSSIBLE CAUSES AND SOLUTIONS
1. Insufficient weld heat:...visible underneath and
bulges slightly on the surface. Use MAX setting.
3. See areas below. Dirty workpiece: Clean workpiece ...permit proper welding to cool before proceeding. SAFETY
Weld Problems
Penetration (Workpiece Heat Control)
EXCESS PENETRATION OR BURN...
User Manual - Page 22
...Install a 0.035" Tip for 0.035" wire).
6. Reinstall the Tip and securely reinstall the Nozzle as explained in a clean and dry location. Periodically remove the Right and Left side panels, and using compressed air, blow out all parts... Gun
3.
It should not be oblong or have any problems are noted, Contact Tip replacement would be an even circle; it should be advisable.
...
User Manual - Page 25
Page 25 SAFETY
SETUP
BASIC WELDING
Parts List and Diagrams
Wiring Schematic
G 1234
123
J
1 2 3 4
24V
S1
T1
A
R
Q
S2 MAX
B
MIN
C
b
WELDING TIPS
MAINTENANCE
Item 68887
For technical questions, please call 1-800-444-3353.
User Manual - Page 28
...WARRANTIES OF MERCHANTABILITY AND FITNESS. This warranty gives you specific legal rights and you . makes every effort to ...Harbor Freight Tools Co. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to us with a replacement...
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