GWH3 datasheet(31/40 Pages) CLARKE

31 / 40 page

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Profile defects

Welding parameters are

incorrect.

Pass rate is not related to

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

electrode and earth wire

connection.

Electrode melts

obliquely

Electrode core is not centred.

Magnetic blow phenomenon.

Replace electrode.

Connect two earth wires

to opposite sites of the

work piece.

No response from

welder.

Check fuses and power lead.

Replace fuses as necessary. If

problem persists return welder

to your local dealer.

Check fuse size.

Welder does not

feed wire.

Feed motor defective.

Return welder to your local

dealer.

Feed motor running

but no wire being

fed from welder tip

Insufficient Feed Roller

pressure.

Increase roller pressure.

Burr on end of wire.

Re-cut wire square with no

burr.

Liner blocked or damaged.

Clean with compressed air or

replace liner.

Inferior wire

Use only good “clean” wire.

Roller worn out.

Replace roller.

Wire welds itself to

tip.

Wire feed speed too low.

Unscrew tip, cut wire and fit

new tip.

Increase wire speed before

operating again.

Wrong size tip.

Fit correct size tip.

Wire feeds into

‘birds nest’ tangle.

Wire welded to tip.

As previous plus reduce feed

roller pressure.

Wire liner damaged preventing

smooth operation.

Renew wire liner.

DEFECT

CAUSES

SUGGESTIONS

GWH3 Datasheet(PDF) 31 Page - Clarke International

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