Replacing Switch And/Or Head Tube - Miller MILLERMATIC 135 Owner's Manual

6-7. Replacing Switch And/Or Head Tube

1
Remove handle
locking nut.
4 Secure head
tube in vice.
6
Hand-tighten head tube into cable connector.
Tools Needed:
19 mm
Y Turn Off welding power source
/wire feeder and disconnect gun.
5
Loosen jam nut.
Remove from vice
and turn head tube
out by hand.
8 Remove from vice. Reposition handle and install
switch housing. Secure with handle locking nut.
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3 Slide handle.
2 Remove switch housing. Install new switch and
connect leads (polarity is not important). Reas-
semble in reverse order. If replacing head tube,
continue to end of figure.
7
Place head tube in vice and tighten until
nuts are tight.
Ref. ST-800 795-C
OM-1324 Page 27