Miller Gold Seal 420 Manuel du propriétaire - Page 7

Parcourez en ligne ou téléchargez le pdf Manuel du propriétaire pour {nom_de_la_catégorie} Miller Gold Seal 420. Miller Gold Seal 420 20 pages. Cv/dc welding power source/wire feeder

2-3. Connecting Input Power

Connect unit to a properly grounded receptacle of a 20 ampere individual branch circuit protected by time-delay fuses
or circuit breakers. Select an extension cord of 12 AWG for up to 75 ft (23 m) or 10 AWG for up to 140 ft (46 m).

2-4. Gun Polarity For Wire Type

WARNING
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn Off welding power source, and disconnect input power before inspecting or installing.
STRAIGHT
REVERSE
POLARITY
POLARITY
For Flux
Cored Wires
(FCAW
Process)
DCEN
DCEP
GUN POLARITY CHANGEOVER
Tools Needed:
3/8 in

2-5. Installing Welding Gun

Tools Needed:
5/16 in
OM-174 470 Page 3
1
For Solid
Steel Or
Aluminum
Wires
(GMAW)
Process)
S-116 599
Figure 2-3. Gun Polarity Connections
3
1
2
Figure 2-4. Gun Connections
4
swarn1.1 2/93
1
Polarity Changeover Label
2
Polarity Jumper Links
Always read and follow welding
wire manufacturer's recommended
polarity.
Close door.
2
Ref. ST-155 506–A
1
Gun Securing Nut
2
Drive Assembly
3
Gun End
Loosen securing nut. Insert end
through front panel opening until it
bottoms against drive assembly.
Tighten nut.
4
Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
Close door.
Ref. ST-155 506-A