Miller Auto Deltaweld 452 Manuale d'uso - Pagina 27

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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.

Turn

Pull Out And Replace Fuse

(Install Flat End Of Fuse Into Cover)

Return To Table Of Contents

Clean

tighten weld

terminals.

and

Y Disconnect input power be-

fore opening rear access

door.

Fuse Holder Cover

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