7. installing welding gun, 8. installing wire spool and adjusting hub tension – Miller Electric 255 User Manual

Page 12

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OM-157 066 Page 8

2-7.

Installing Welding Gun

Ref. ST-800 921-C

1

Drive Assembly

2

Gun Securing Knob

3

Gun End

Loosen securing knob. Insert gun
end through opening until it bottoms
against drive assembly. Tighten
nut.

4

Gun Trigger Plug

Insert plug into receptacle, and
tighten threaded collar.

Close door.

1

2

4

3

2-8.

Installing Wire Spool And Adjusting Hub Tension

ST-072573-B

When a slight force is needed to turn spool, tension is set.

15/16 in

Use compression spring with
8 in (200 mm) spools.

Tools Needed:

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