Full Product Manual

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8.6 SPOT WELDING INSTRUCTIONS
1. Select the wire diameter and 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, varying the length of time you hold the trigger, until a
desired spot weld is made.
6. Make spot welds on the actual work piece at desired locations.
MAINTENANCE
• Maintain your FC125X. It is recommended that the general condition of any FC125X be
examined before it is used. Keep your FC125X in good repair by adopting a program of
conscientious repair and maintenance. Have necessary repairs made by qualified service
personnel.
• Periodically clean dust, dirt, grease, etc. from your welder.
• Every six months, or as necessary, remove the cover panel from the welder and air-blow any
dust and dirt that may have accumulated inside the welder.
• Replace power cord, ground cable, ground clamp, or electrode assembly when damaged or
worn.
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Unit Does Not Power Up
Unit Is Not Plugged In
Plug In Unit
Input Power Circuit Breaker Not On
Reset Input Power Circuit Breaker
The Main Power Switch Is Not Working
Replace Main Power Switch
Wire Drive Motor Does Not Turn
Loose Or Bad Fuse
Locate the Fuse Holder inside the wire
compartment. Tighten fuse or replace.
Wire Feed Speed Control at Zero
Increase Wire Feed Speed Control
Trigger Is Not Mashed
Wire Will Feed Only When Trigger Is
Mashed
Wire Drive Motor Is Damaged
Replace Wire Drive Motor
Wire Feeds Inconsistently
Torch Liner is plugged
Clear or replace torch liner
Wire Diameter may vary on spool of wire
causing the wire to catch in the contact
tip.
Increase the contact tip one size.
Too Much or Too Little Wire Tension
See Installing The Wire Section
Too Much or Too Little Drive Roll Tension
See Setting Drive Roll Tension Section
Drive Roll is Worn
Replace Drive Roll
Can Not Create An Arc
Work Piece is Painted Or Rusty
Remove All Paint And Rust
Ground Clamp Is Connected Where
There Is Paint Or Rust
Remove All Paint And Rust So Ground
Clamp Is Connected To Bare Metal
Ground Clamp Is Not Electrically
Connected To The Work Piece
Make Certain The Ground Clamp Is
Connected To The Work Piece
Trigger Is Not Mashed
This Unit Is Not Electrically Hot Until You
Mash The Torch Trigger
For technical questions contact the technical help line at 888-762-4045