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

7-7. Replacing Switch And/Or Head Tube

1 Remove handle locking nut.

4 Secure head tube in vice.

YTurn Off welding power source /wire feeder and disconnect gun.

3

Slide handle.

2 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.

5Loosen jam nut. Remove from vice and turn head tube out by hand.

6Hand-tighten head tube into cable connector.

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

8Remove from vice. Reposition handle and install switch housing. Secure with handle locking nut.

Tools Needed:

19 mm

Ref. 800 795-C

OM-925 Page 27

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Image 31
Hobart Welding Products 140 manual Replacing Switch And/Or Head Tube, Remove handle locking nut Secure head tube in vice