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1-1. Checking/Replacing Retaining Cup, Tip, And Electrode

7-6.

Checking/Replacing Retaining Cup, Tip, And Electrode

New

Worn

Turn Off power source before check-

ing torch parts.

Overtightening will strip threads. Do

not overtighten retaining cup during

assembly. Do not cross-thread parts

or thread damage will result. Use

care during torch assembly and

parts replacement.

Inspect shield cup, tip, and elec-

trode for wear before cutting or

whenever cutting speed has been

significantly reduced. Do not oper-

ate torch without a tip or electrode

in place. Be sure to use genuine re-

placement

parts

manufacturer.

�

A good practice is to replace both the

tip and electrode at the same time.

OM-253555 Page 30

�

Complete Parts List is available at www.MillerWelds.com

1 Shield Cup

Remove shield cup. Check cup for cracks,

and replace if necessary.

2 Tip

3 Opening

Remove tip. Check tip, and replace if open-

ing is deformed or 50% oversize. If inside of

tip is not clean and bright, clean with steel

wool. Be sure to remove any pieces of steel

wool afterwards.

from

the

4 Electrode

Check electrode. If center has a pit more

than a 1/32 in. (1 mm) deep, remove and re-

place electrode.

1/32 in.

(1 mm)

Worn Electrode

Ref. 253554-A

5 Swirl Ring

Remove swirl ring. Check ring, and replace

if side holes are plugged.

�

Make sure swirl ring is clean of any de-

bris and no holes are obstructed.

6 O-Ring

Check O-ring for cracks or worn spots, and

replace if necessary.

7 Torch Body Threads

Make sure torch body threads are clean and

free of debris.

Carefully reassemble parts in reverse order.

OM-253555 Page 1