Miller MIGmatic M-25 Owner's Manual - Page 12
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5-2. Replacing Switch And/Or Head Tube
1
Remove handle
locking nut.
4 Remove screw.
5
Secure head
tube in vice.
7
Install existing shock washer onto new head tube.
Hand-tighten head tube into cable connector.
Tools Needed:
3/4 in.
OM-227 796 Page 8
6
Loosen jam nut.
Remove from vice
and turn head tube
out by hand.
9
Remove from vice. Reposition handle and install
switch housing. Secure with handle locking nut.
10 Install screw.
9/64 in.
!
Turn 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.
8
Place head tube in vice and tighten until
nuts are tight.
Ref. 800 795-E