STAUFF SWG-WG, Руководство по эксплуатации

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11 Troubleshooting
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12 Troubleshooting
Danger from insufficiently qualified operating personnel
‹
Carry out only the work described here on your stud welding unit or stud
welding gun.
‹
Repairs may only be carried out by appropriately qualified personnel.
‹
Inform your dealer or your maintenance department.
Fault Possible cause Fault localisation Fault remedy Performance
Welding elements not
firmly attached
Wrong welding parame-
ters selected
Check adjusted parame-
ters on stud welding unit
Change adjusted para-
meters
Trained personnel
Check spring force of stud
welding gun
Change adjusted para-
meters
Trained personnel
Check lift of stud welding
gun
Change adjusted para-
meters
Trained personnel
Insertion speed of wel-
ding element too low
Check welding piston and
linear bearing for ease of
movement *)
Clean or replace *) Qualified specialists
Burning marks at the
welding element
Chuck defective Check chuck for possible
defects
Replace chuck Trained personnel
Lamellas of chuck are
not pretensioned
Check lamellas of chuck Try to bend lamellas
if possible, otherwise
replace chuck
Trained personnel
O-rings existing?
Check o-rings for possible
defects
Replace o-rings Trained personnel
Stud welding gun does
not weld
Control cable defec-
tive (no trigger signal
available on stud
welding unit)
Check control cable for
electrical flow at control
cable sleeve (Pin 3 and 4)
with pressed welding gun
trigger *)
In case of no signal:
Replace control cable *)
Qualified specialists
Micro switch defective
(with present contact
signal on stud welding
unit)
Check micro switch
for electrical flow with
pressed welding gun
trigger *)
In case of no flow:
Replace micro switch *)
Qualified specialists
Welding current cable
defective (no contact
signal on stud welding
unit)
Check, whether welding
current cable is connected
to stud welding unit in a
technically correct way
Connect welding cur-
rent cable
Trained personnel
Check welding current
cable for electrical flow *)
In case of no flow :
Replace welding
current cable and/or
connecting cable *)
Qualified specialists