Threading And Feeding Welding Wire - MAC TOOLS MW165 Owner's Manual

2-7.
Threading
And Feeding Welding Wire
£~
WARNING
CYLINDERS
can
explode
if
damaged.
Keep cylinders
away from welding and other
electrical circuits.
Never touch
cylinder
with welding electrode.
Always
secure
cylinder to
running
gear,
wall,
or
other stationary support.
WELDING WIRE
can cause puncture
wounds.
Do not press
gun
trigger until instructed
to do
so.
Do
not
point
gun
toward
any
part
of the
body,
other
people,
or
any
metal when
threadinq welding wire.
1 Wire Spool
2
Hub Tension Nut
Grasp spool in
one
hand and
turn
while
using
a
wrench
to adjust
nut.
When
a
slight
force is needed
to turn
spool, tension is set.
Loosen wire from
spool, cutoff bent
wire, and
pull 6 In (150 mm) of wire
from
spool.
3 Pressure
Adjustment
Open
pressure
assembly.
4 Wire Inlet Guide
5 Drive Roll
6
WIre Outlet
Guide
Thread wire
through
inlet
guide,
along drive roll
groove,
and into
out
let guide. Close
pressure assembly.
.
TO USE 1 LB SPOOL:
ELECTRIC SHOCK
can
kill.
Do not
touch live electrical
parts.
j
H OT SURFACES
can
burn skin.
Allow
gun
to cool before
touching.
The welding wire, drive rolls, drive
assembly, and all
metal
parts touching
the welding wire
are
electrically
live
when welding
or
feeding
wire using
gun
trigger.
s~m5.1 10/91 /swam2.i
9/91
TO USE Standard Wire Reel:
Part
No. 135615
Lay gun cable
out straight.
7
Nozzle
23
8 Contact Tip
Remove
nozzle and contact
tip.
9
Gun
Trigger
Turn On unit,
press gun
trigger, and
feed 2 in (55 mm)
of wire
out
of gun.
Turn Off unit
and reinstall contact
tip
and nozzle.
10 Adjusting Pressure
Turn On unit and check drive
roll
pressure
by feeding wire
against
a
wood board
or
concrete surface;
wire should feed steadily
without
slipping.
Tighten
pressure
adjustment
if
necessary.
Close door.
Tools Needed:
~
9/16 in
9
8
7
Figure 2-6. Feeding Welding
Wire
ST-BOO 316 / Ref. ST- 155 505-A / Ref. ST-i 55
504-A I S-0627-A
OM-l85 356
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