STEP 7: Slide the foot assembly into the gun so that a about 1" of the stud stick out past the Heavy Duty Ferrule Grip. Make sure the flat side of the legs are towards the set screw on the gun. Tighten the screws on the gun that hold the legs.
STEP 8: Adjust the Foot Assembly so that the stud is centered in the middle of the Heavy Duty Ferrule Grip. Tighten the Arc Leg screws in the foot assembly.
STEP 9: Put a ferrule on the end of the stud and make the plunge adjustment. The plunge is the amount the stud that sticks out past the ferrule grip not including the flux ball.
Loosen the leg screws in the gun.
Adjust the plunge.
Tighten the leg screws in the gun.
Plate, Direct to Beam or Angle Plunge
Weld Thru Deck Plunge
3/8” & 1/2
3/16” – 1/4"
5/8” & 3/4"
1/4” – 5/16”
7/8” & 1”
5/16” – 3/8”
Weld Thru Deck Recommendation on Determining the Right Plunge:
Grab another stud and slide the foot assembly so that the amount of the stud sticking out past the ferrule grip is equal to the head of the 2nd stud (3/8”).