MAC TOOLS MW 185 Plus, Owner'S Manual

Page: 29 / 52

OM-230 852 Page 25
7-7. Replacing Switch And/Or Head Tube
Ref. ST-800 795-C
Tools Needed:
19 mm
Remove handle
locking nut.
Slide handle.
Secure head
tube in vice.
Loosen jam nut.
Remove from vice
and turn head tube
out by hand.
Hand-tighten head tube into cable connector.
Place head tube in vice and tighten until
nuts are tight.
Remove from vice. Reposition handle and install
switch housing. Secure with handle locking nut.
Y
Turn Off welding power source
/wire feeder and disconnect gun.
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.
1
3
2
4
5
8
6
7