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OM-1318 Page 18
SECTION 5 – MAINTENANCE &TROUBLESHOOTING
5-1. Routine Maintenance
Y Disconnect power before maintaining.
3 Months
Replace
unreadable
labels.
Repair or
replace
cracked
weld cable.
Clean and
tighten weld
terminals.
6 Months
Blow out or
vacuum inside.
during heavy
service, clean
monthly.
Or
Remove drive roll
and apply light coat
of oil or grease to
drive motor shaft.
5-2. Drive Motor Fuse F1
Y Turn Off power, unlatch door
and remove wrapper.
1 Circuit Board PC1
2 Fuse F1 (See Parts List For
Rating)
If drive motor is inoperative, pull
fuse from fuse holder on PC1. Re-
place fuse if necessary. To reinstall,
push fuse into fuse holder.
Reinstall wrapper, and latch door.
ST-801 867
3/8 in
Tools Needed:
12
5-3. Short Circuit Shutdown
If contact tip is shorted and sticks to workpiece, the unit shuts down, but fan runs. To resume operation, release gun
trigger, turn Off unit, and remove contact tip from workpiece. Check contact tip and replace if damaged. Turn On unit to
continue operation.