Hobart Welding Products OM-947 - Manual (Page 31)

OM-947 Page 27
6-7. Replacing Gun Liner (Continued)
When liner exits cable at gun
handle, guide liner into head
tube. Continue to push liner until
it exits end of head tube.
Slide locking rings over top and
bottom of handle, and secure by
twisting rings clockwise 1/4 turn.
Place other half of handle over
head tube and cable.
Be sure that cable is straight.
Tighten liner setscrew. Cut
liner so that 3/8 in (10 mm)
sticks out of head tube. File
down any sharp points on
liner after cutting to length.
3/8 in (10 mm)
Reassemble gun by placing head tube
and cable into one half of handle. Be
sure trigger is properly installed into
trigger slot.
Thread welding wire through
gun (see Section 4-8). Reinstall
adapter, contact tip, and nozzle.
Reinstall cover onto wire
drive assembly, and secure
with screws (3).
Insert retaining nut into adapter, and adjust liner stickout as
shown. Tighten retaining nut. Reinstall cable end into drive
housing with retaining grooves inserted into the two retaining
ribs. Be sure to position gas hose up. Position liner in groove
so that end is flush with back of groove, adjust if necessary
13/16 in
(21 mm)
8 mm
8 mm