6000643 datasheet(32/40 Pages) CLARKE

32 / 40 page

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

Profile defects

Welding parameters are

incorrect.

Pass rate is not related to the

operating parameter

requirements.

Electrode not inclined

constantly while welding.

Follow basic and general

welding principles.

High Sprays

Electrode is too inclined.

Make appropriate

corrections.

Arc is unstable

Insufficient current.

Check condition of the

electrode and earth wire

connection.

Electrode melts

obliquely

Electrode core is not centred.

Magnetic blow phenomenon.

Replace the electrode.

Connect the two earth wires

to opposite sites of the

workpiece.

No response from

welder.

Check fuses and power lead.

Replace fuses as necessary. If

the problem persists return the

welder to your local dealer.

Check the fuse size.

Welder does not

feed wire.

Feed motor defective.

Return the welder to your local

dealer.

Feed motor running

but no wire being

fed from welder tip

Insufficient feed roller

pressure.

Increase the roller pressure.

Burr on end of wire.

Re-cut the wire square and

with no burr.

Liner blocked or damaged.

Clean with compressed air or

replace the liner.

Inferior wire

Use only good “clean” wire.

Roller worn out.

Replace the roller.

Wire welds itself to

tip.

Wire feed speed too low.

Unscrew the tip, cut the wire

and fit a new tip.

Increase wire speed before

operating again.

Wrong size tip.

Fit the correct size tip.

Wire feeds into

‘birds nest’ tangle.

Wire welded to torch tip

As previous plus reduce the

feed roller pressure.

Wire liner damaged preventing

smooth operation.

Renew the wire liner.

DEFECT

CAUSES

SUGGESTIONS

6000643 Datasheet(PDF) 32 Page - Clarke International

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