User manual

Please read and save these instructions. Read through this owner’s manual carefully before
using product. Protect yourself and others by observing all safety information, warnings, and
cautions. Failure to comply with instructions could result in personal injury and/or damage to
product or property. Please retain instructions for future reference.
1
Northern Industrial Welding
Operating Instructions and Parts Manual ST80i
Welding
Description
ST80i portable DC inverter arc
welder ，AC single phase 120V (110-
120V), 60HZ . 20 amp time delayed
fuse or circuit breaker is recommended,
Overload protection. An ideal stick unit
to weld all sorts of carbon steel,
stainless steel and DIY jobs.Tig torch
option available
Unpacking
1.1 Remove cartons, bags or
Styrofoam containing the welder and accessories.
1.2 Check the contents with the packing list below.
1.3 After unpacking unit, inspect carefully for any damage that may have
occurred during transit. Check for loose, missing, or damaged parts. Shipping
damage claim must be filed with carrier.
ITEM QTY.
Portable Arc Welder 1 unit
Welding cable with electrode holder 1pc
Grounding cable with earth clamp 1pc
Operator’s Manual 1set
Sample electrodes 1 bag
Carry strap 1pc