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OM-952 Page 12
5-5. Replacing Switch And/Or Head Tube
Tools Needed:
8 mm, 11/16 in
Remove nozzle, contact tip, and adapter.
Secure head tube in vice. Loosen cable
connector. 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 cable connector is tight.
Y Turn Off welding power source.
Slide trigger assembly forward
and out of lower portion of handle.
Disconnect leads. Install new
switch and connect leads (polarity
is not important). Reassemble in
reverse order. If replacing head
tube, continue to end of figure.
Lower top portion of handle onto
bottom of handle. Slide locking
ring over rear of handle, and
secure with by twisting ring
clockwise 1/4 turn.
Slide top portion of handle over
head tube.
Reassemble gun by placing
head tube into bottom section of
handle.
Thread welding wire through
gun (see Section 3-4). Reinstall
adapter, contact tip, and nozzle.
Twist handle locking ring counterclockwise
1/4 turn and slide it down cable. Separate
gun handle by lifting top rear portion up and
sliding forward over head tube.
8 mm
803 496-B / 803 498-A