Miller Electric Millermatic 250, Руководство пользователя

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OM-1308 Page 7
2-5. Installing Welding Gun
Ref. ST-150 256-D
1 Drive Assembly
2 Gun Securing Knob
3 Gun End
Loosen securing knob. Insert gun
end through opening until it bottoms
against drive assembly. Tighten
knob.
4 Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
Close door.
1
2
4
3
2-6. Setting Gun Polarity For Wire Type
.
Always read and follow wire manufacturer’s recommended polarity, and see label inside unit by wire drive assembly.
Tools Needed:
3/4 in
2-7. Installing Gas Supply
Ref. ST-148 265-B / ST-802 028
Tools Needed:
Obtain gas cylinder and chain to
running gear, wall, or other station-
ary support so cylinder cannot fall
and break off valve.
1 Cap
2 Cylinder Valve
Remove cap, stand to side of
valve, and open valve slightly. Gas
flow blows dust and dirt from valve.
Close valve.
3 Cylinder
4 Regulator/Flowmeter
Install so face is vertical.
5 Regulator/Flowmeter Gas
Hose Connection
6 Welding Power Source Gas
Hose Connection
Connect customer supplied gas
hose between regulator/flowmeter
gas hose connection, and fitting on
rear of welding power source.
7 Flow Adjust
Typical flow rate is 20 cfh (cubic
feet per hour). Check wire man-
ufacturer’s recommended flow
rate.
8 CO
2
Adapter (Customer Sup-
plied)
9 O-Ring (Customer Supplied)
Install adapter with O-ring between
regulator/flowmeter and CO
2
cylinder.
1-1/8, 5/8 in
CO
2
Gas
8 9
3
1
2
4
5
7
1
2
3
Argon Gas
OR
6