Replacing Switch And/Or Head Tube - Miller Electric Millermatic 155 And M-15 Gun Owner's Manual

3-7. Replacing Switch And/Or Head Tube

1 Remove handle
locking nut.
4 Secure head 5 Remove shock washers
tube in vice. from front and rear of
head tube.
7 Install both existing shock washers
to new head tube and hand-tighten
head tube into connector cable.
Tools Needed:
3/4 in
Y Disconnect gun from unit.
6 Loosen jam nut. Remove
from vice and turn head
tube out by hand.
Do not disturb cable connection between
cable connector and connector nut.
9 Remove from vice. Reposition
handle and install switch housing.
Secure with 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.
8 Place head tube in vice and tighten
to within 1/8 in (3.2 mm) spacing be-
tween connector cable and body.
Ref. ST-800 795-A
OM-1314 Page 15