Replacing Switch And/Or Head Tube - Hobart Handler 140 Technical Manual

8-7. Replacing Switch And/Or Head Tube

1
Remove screws from handle.
4
Secure head tube in vice.
8
Remove from vice. install switch housing.
Tools Needed:
Handler 140
!
5
Loosen jam nut. Remove from vice
and turn head tube out by hand.
6
Hand-tighten head tube into cable connector.
7
Place head tube in vice and tighten until nuts are tight.
19 mm
Turn Off welding power source/wire feeder and disconnect gun.
Remove switch housing. Install new switch and
3
connect leads (polarity is not important). Reassemble
in reverse order. If replacing head tube, continue to
end of figure.
9
Install handle half with secure with screws.
2
Remove handle half.
Ref. 243 840-A
TM-258 267 Page 27