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2-1. Specifications
Approximate
Wire Diameter Range
Wire Feed
.030 Thru .035 in
(0.8 Thru 0.9 mm)
Aluminum Wire
130 To 840 ipm
(4.1 To 20.4
.030 Thru 035 in
(0.8 Thru 0.9 mm)
Hard Or Cored Wire
2-2. Installing Spoolgun Switch In Millermatic 185 (Units Prior To Serial No. KH376829
Require Installation Of Kit 186 871)
1
2
4
6
Tools Needed:
3/8 in
9/16 in
SECTION 2 – INSTALLATION
Cooling
Maximum Spool
Method
Range
Air Cooled
mpm)
Weld Circuit
Size
Rating
100 Volts, 150
Amperes, 60%
4 in (102 mm)
Duty Cycle
Diameter
Using Argon
Shielding Gas
3
5
Overall
Weight
Dimensions
Length:
11-1/2 in (291 mm)
Width:
9.1 lb (4.1 kg)
2-1/4 in (57 mm)
Gun With Cable
Height:
8 in (203 mm)
Y Turn Off unit, and disconnect
input power.
1
Switch Location
Locate plastic plug in center panel.
Remove and discard plug.
2
Spoolgun Label
3
Spoolgun Switch
4
Jam Nut
Remove top jam nut from switch
(switch is equipped with two nuts, a
jam nut and a backing nut).
Insert switch shaft through center
panel. Switch should be positioned
so lead with resistor is facing down.
Secure switch to center panel with
jam nut. Tighten jam nut enough to
keep switch from rotating.
5
Spoolgun Switch Plug
Locate matching spoolgun recep-
tacle in wiring harness, and remove
jumper plug. Keep jumper plug in
case spoolgun switch is removed.
Connect spoolgun switch plug to
receptacle.
Reinstall wrapper.
Operation:
Place switch in On position for
spoolgun operation. Place switch in
Off position for wire feeder/MIG
(GMAW) gun operation.
6
Wire Speed Control
When spoolgun switch is in On
position, spoolgun wire feed speed
is controlled by welding power
source Wire Speed control.
Ref. 801 890-A
OM-1214 Page 9
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