Section 6 − Maintenance & Troubleshooting; Routine Maintenance; Fuse F1; Short Circuit Shutdown - Miller Deltaweld 652 Owner's Manual

SECTION 6 − MAINTENANCE & TROUBLESHOOTING

6-1. Routine Maintenance

3 Months
Replace
unreadable
labels.
6 Months
Blow out or vacuum inside.
During heavy service, clean
monthly

6-2. Fuse F1

Tools Needed:
3/8 in

6-3. Short Circuit Shutdown

When contact tip is shorted and sticks to workpiece, the unit output falls to a safe operating level. 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.
Y Disconnect input power before maintaining.
Repair or
replace
cracked
weld
cable.
Or
1
Turn
Pull Out And Replace Fuse
(Install Flat End Of Fuse Into Cover)
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Clean
tighten weld
terminals.
2
and
Y Disconnect input power be-
fore opening rear access
door.
1 Fuse Holder Cover
2 Fuse F1 (See Parts List For
Rating)
Fuse F1 protects control transform-
er from overload. If F1 opens, weld
output and fan motor stops. Re-
place F1.
Turn
Ref. ST-800 101-C
OM-223 Page 23