Tweco Spool Gun Firepower - Manual (Page 17)

Firepower SPOOL GUN OPERATING AND SAFETY MANUAL
17
5.4. Troubleshooting Check List
Incorrect drive rolls
pressure
Drive rolls turn but wire
will not feed or wire
feeding is rough
Incorrect drive rolls
Be sure the wire diameter
being used is stamped on
drive rolls. Replace drive rolls
if necessary
Check and correct drive roll
pressure. Turn pressure
adjusting screw clockwise,
enough to prevent slipping.
(see page 11)
Worn or dirty drive rolls Clean or replace drive rolls
(see page 15)
Incorrect wire spool friction
Adjust the friction nut on the
spool shaft to find the correct
wire tension (see page 11)
Worn or dirty outlet liner
Clean or replace liner (see
page 16)
Rusty or dirty wire Replace wire (see page 11)
Partially flashed, melted or
improper size contact tip
Replace contact tip
Variable arc
Contact tip worn or
incorrect size Replace contact tip
Incorrect wire feeder
speed Adjust wire speed by turn-
ing pot ring clockwise (to
max) or counter-clockwise
(to min). (see page 13)
Trouble Possible cause Remedy