Miller M-25M Owner's Manual - Page 5

Browse online or download pdf Owner's Manual for Welding Accessories Miller M-25M. Miller M-25M 8 pages. Air-cooled guns for gmaw and fcaw welding

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Routine Maintenance

Replace

Cracked

Parts

Trouble

Wire does not feed; wire is not ener-

gized; wire feeds unevenly.

Weld porosity.

Wire feeding stops or does not feed

properly during welding.

Y Turn Off welding power source and disconnect gun before maintaining.

Each Spool Of Wire

Blow Out

Gun

Casing

3 Months

Control

Cord

Check contact tip. Check for kinks in gun cable.

Check gun trigger plug connection at welding power source/wire feeder.

Check, and if necessary, replace gun trigger switch (see Section 6).

Check contact tip. Check for kinks in gun cable. Blow out liner and gun casing (see Section 5).

Remove weld spatter buildup in nozzle.

Make sure inner head tube is tight in cable connector.

Check shielding gas flow/supply.

Straighten gun cable and/or replace damaged parts (see Section 6).

Adjust drive roll pressure (see wire feeder manual).

Change to proper drive roll groove (see wire feeder manual).

Readjust hub tension (see wire feeder manual).

Clean or replace liner if dirty or plugged (see Section 5).

Replace drive roll or pressure bearing if worn or slipping (see wire feeder manual).

Clean

Nozzle

And Check

Contact Tip

Gas

Hose

Remedy

Gun Cable

OM-1035 Page 5