Use and Care Manual

19
15.4 Welder mechanical problems
Table 4
Trouble Probable Cause Remedy
Weld could not be
made. Jaws do not
move.
Wire connection is poor; connecting
point of welding switch is bad.
Change switch, or grind the connecting
port with a file.
Transformer burned out. Change transformer, or rewire it.
Blade has oil on it. Wipe off any oil.
Blade ends have rust. Grind off rust.
Weld area melts when
weld switch is pushed.
Welding switch is cutting off late. Screw welding switch connecting nut
tighter.
Welding press too weak. Rotate pressure selector knob
accordingly.
Jaw movement too slow. Put some oil on rear side of welding
lever and the two jaws.
Blade cannot be tightly
clamped with the
clamp jaws.
Clamp jaws are out of order, or
decayed.
Replace clamp jaws.
Lower jaw inserts are out of order. Replace lower jaw inserts.
Annealing doesn’t
occur when annealing
button is pushed.
Annealing switch connection is poor. Replace annealing switch.
Fuse blown. Replace fuse.
Annealing button will
not return to correct
position after release.
Annealing button has dust or debris
around it.
Remove annealing button housing and
clean out any dust or debris.
Grinder will not run
when Grinder switch is
pushed.
Grinder motor is burnt out. Change grinder motor or rewire it.
Grinder switch is bad. Replace grinder switch.