MAC TOOLS MW150K, Руководство пользователя

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OM-154 500 Page 5
2-6. 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.
ELECTRIC SHOCK can kill.
•
Do not touch live electrical parts.
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.
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 threading welding wire.
HOT SURFACES can burn skin.
•
Allow gun to cool before touching.
swarn5.1 10/91 / swarn2.1 9/91
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 and cut off
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.
Lay gun cable out straight.
7 Nozzle
8 Contact Tube
Remove nozzle and contact tube.
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
tube 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 nec-
essary. Close door.
Ref. ST- 149 632-C / S-0627-A
Tools Needed:
WOOD
10
3
4
5 6
1 2
9
9/16 in
8
7
Figure 2-7. Feeding Welding Wire