PM1326
9
Remove carefully slags arround tip torch
using wood. NEVER use METALIC TOOLS
to remove slags.
Too many slags in electrode
Electrode wire does not feed.
Replace torch.
Wire does not feed until trigger is pulled, but
continues feeds after trigger is released
Have a shortcircuit on torch between trigger al weld
cables.
Gas valve in wire feeder is ratting
loudly along, with possibly erratic
wire feed or low speed.
Have a shortcircuit on torch between trigger al weld
cables.
Replace torch.
Fuse F1.
Incorrect gun trigger connection
Gun trigger.
Motor M1.
Motor Control Board PC1.
6-1 ROUTINE MAINTENANCE.
TIME
More than normal use:
Check all labels ( see 6 month entry ), repair any damaged insulation or replace
holder or work cable, 14 pin remote cable,gas hose, torch cable, clean and tighten connections at
holder cable and work clamp.
EACH 3 MONTHS
EACH 6 MONTHS
MAINTENANCE
Blow Out Or Vacuum inside,During Heavy Service Clean Monthly,clean all rotatory parts.
Check and replace F1 if necessary.
Check torch trigger connection.
See torch owner´s manual.
Replace motor M1.
Replace PC1.
6-2 TROUBLESHOOTING.
TROUBLE
POSSIBLE CAUSE
RECOMMENDED ACTION
No wire feed
Turn adjustment pressure nut in clock wise
sense; until find the addecuate pressure.
Change addecuate size of drive rolls.
Replace drive rolls.
Clean drive rolls
Replace PC1.
Erratic wire feed
Drive rolls pressure
Drive rolls size.
Worn drive rolls.
Dirty drive rolls.
Motor Control Board PC1.
SECTION 6 MAINTENANCE AND TROUBLESHOOTINS
REMOTE VOLTAGE ADJUSTMENT
Use this control to set the arc voltage.
1- DIGITAL VOLTMETER.
It shows the output terminals voltage (in Volts) of the machine, but not
necessarily the arc voltage, due to the resistance of the weld cables, loose
connections, etc.
2- DIGITAL AM METER.
It shows the weld current value in Amperes.
2
1
