4-8. Replacing Switch And/Or Head Tube

Y Disconnect gun first.

1Remove handle locking nut.

3 Slide handle.

2 Remove switch housing. Note: If installing new switch, push switch lead connectors onto terminal of new switch (polarity is not important). Install switch back into handle, and secure with handle locking nut. If replacing head tube, continue to end of figure.

4Secure head tube in vice.

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

6Install existing shock washer onto new head tube. Hand-tighten head tube into connector cable.

7Place 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:

3/4 in

Ref. ST-800 795-C

OM-194 430 Page 23

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Image 27
Hobart Welding Products 2510, M-25 GUN specifications Replacing Switch And/Or Head Tube, Disconnect gun first