O-RING 1026981 - Caterpillar

Warranty
The Welding Group has a 1 year warranty against defects in materials and workmanship. This warranty period begins with the date of delivery.Troubleshooting
Table 18
Troubleshooting Information    
Problem     Cause     Remedy    
Power cord is connected, but test lamp at transformer does not light.     No line voltage is present.
Fuses are defective.     Check power supply.
Replace fuses.
Replace power cord.
Replace lamps.
Replace transformer, according to instruction.    
Electromagnets are not activated.     Fuse for magnets is defective (test lamp does not light).
Magnet is defective.    
Replace fuse.
Replace magnet, according to instruction.    
No voltage in control panel. Green test lamp does not light.     Outlet fuses at transformer are defective.
Coil cord (transformer to speed control assembly) is defective.
Lamp is defective.
Speed control assembly is defective.     Replace fuses.
Replace coil cord.
Replace lamp.
Replace speed control assembly.    
Drive motor does not rotate.     Motor is defective.
Speed control assembly is defective.     Replace motor, according to instruction.
Replace speed control assembly, according to instruction.    
Weld head and clutch assembly does not rotate.     Gear clutch is defective.
Weld head assembly is defective.     Replace gear clutch, according to instruction.
Replace weld head assembly, according to instruction.    
Weld head assembly rotates, but still no feed action.     Lead screw is not in right-hand position.
Weld head assembly is defective.     Place lead screw in right-hand position.
Replace weld head assembly, according to instruction.    
Weld torch is not rotating.     Set screw is not tight.
Thumb screw of barrel clamp is not tight.
Weld torch parts are not securely connected with each other.     Tighten set screw.
Tighten thumb screw.
Tighten weld torch parts to each other.    
Unit does not turn on.     Remote control cord or switch is defective.
Remote control is not correctly attached.     Replace remote control, according to instruction.
Check attachment cord.    
No wire feed.     Wire feed unit is defective.
hose package has too many bends.
Weld wire is burned into contact tip.
Teflon liner is defective.
Wrong contact tip is attached.
Weld wire is bent.     Repair wire feed unit.
keep hose package free of bends.
Change contact tip.
Replace Teflon liner.
Install correct contact tip.
Remove bent weld wire.    
No inert gas flow.     Gas cylinder is not open, or is empty.
Hose package is defective.
Inert gas is leaking.
Teflon liner in torch holder is defective.
Bores in nozzle are plugged.
Gas nozzle is plugged.     Replace or open gas cylinder.
Replace hose package.
Tighten all weld torch parts with enclosed tools.
Replace torch holder.
Clean nozzle holder.
Clean or replace gas nozzle.    
No welding circuit.     Hose package is defective.
Weld torch parts are not securely tightened.
Brush housing defective.
Contact tip is defective.
Ground cable is defective.
Ground cable has no contact.
Power source is defective.     Replace hose package.
Tighten all weld torch parts with enclosed tools.
Replace brush housing.
Replace contact tip.
Replace ground cable.
Attach ground cable correctly.
Repair power source.    
Pore formation in weld deposit.     No inert gas.
Surface is not clean.
Windy conditions at welding location.     Restore gas supply.
Burn off residues of oil, grease and paint from surface, or clean with metallic cutting disc.
Protect with respective devices.    
Excess drop formation at weld deposit.