7. replacing switch and/or head tube – Hobart Welding Products HANDLER 140 OM-925 User Manual

Page 33

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A complete Parts List is available at www.HobartWelders.com

OM-925 Page 29

7-7. Replacing Switch And/Or Head Tube

Ref. 800 795-C

Tools Needed:

19 mm

Remove handle locking nut.

Slide handle.

Secure head tube in vice.

Loosen jam nut. Remove from vice

and turn head tube out by hand.

Hand-tighten head tube into cable connector.

Place head tube in vice and tighten until nuts are tight.

Remove from vice. Reposition handle and install

switch housing. Secure with handle locking nut.

!

Turn Off welding power source

/wire feeder and disconnect gun.

Remove switch housing. Install new switch and

connect leads (polarity is not important). Reassemble

in reverse order. If replacing head tube, continue to

end of figure.

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