Lincoln Electric K1780-1 Control Cable, Shielding GAS Connection, Negative Electrode Polarity

POWER FEED 10 / R

A-3	INSTALLATION			A-3
When using an inverter type power source, Use the		SHIELDING GAS CONNECTION
largest welding (electrode and work) cables that are			WARNING
age output current would not normally require it.
practical. At least 2/0 copper wire - even if the aver-			CYLINDER may explode if damaged.
When pulsing, the pulse current can reach very high
levels. Voltage drops can become excessive, leading			• Keep cylinder upright and chained
to poor welding characteristics, if undersized welding			to support.
cables are used.			• Keep cylinder away from areas
Connect the one end of the electrode cable, to the			where it may be damaged.
power source output terminal of the desired polarity.		• Never lift welder with cylinder attached.
Connect the other end of the electrode cable to the		• Never allow welding electrode to touch cylin-
wire drive feed plate using the stud, lockwasher, and		der.	• Keep cylinder away from welding or
nut provided on the wire drive feed plate. The elec-
trode cable lug must be against the feed plate. Be			other live electrical circuits.
sure the connection to the feed plate makes tight			BUILDUP OF SHIELDING GAS may
metal-to-metal electrical contact. The electrode cable			harm health or kill.
should be sized according to the specifications given			• Shut off shielding gas supply when
in the work cable connections section.			not in use.
NEGATIVE ELECTRODE POLARITY		SEE AMERICAN NATIONAL STANDARD Z-49.1,
When negative electrode polarity is required, such as		“SAFETY IN WELDING AND CUTTING” PUB-
in some Innershield applications, reverse the output		LISHED BY THE AMERICAN WELDING SOCIETY.
connections at the power source (electrode cable to		------------------------------------------------------------------------
the negative (-) stud, and work cable to the positive		The customer must provide a cylinder of shielding
(+) stud).
		gas, a pressure regulator, a flow control valve, and a
When operating with electrode polarity negative the		hose from the flow valve to the gas inlet fitting of the
switch 7 must be set to OFF.		wire drive unit.
Set the Negative Polarity switch on Wire Feed Head		Connect a supply hose from the gas cylinder flow
PC board as follows: These instructions apply to		valve outlet to the 5/8-18 female inert gas fitting on the
the Power Wave 455/R and Power Wave 655/R.		back panel of the wire drive or, if used, on the inlet of
Consult the manual for the power source if necessary.		the Gas Guard regulator.
WARNING		CONTROL CABLE
1. Turn off power to the power source at the dis-		CONTROL CABLE CONNECTIONS
connect switch.		The Power Wave / Power Feed Wire Feeders offer
2. Remove the front cover from the power source.		flexibility in the connection of system components.
		This system uses the same type of control cable
3. The wire feed head board is on the right side of the		between all of the system components. Connections
		can be “daisy chained” from one system component to
power source. Locate the 8-position DIP		another. Components can be connected in any order,
switch and look for switch 7 of the DIP		as long as the proper input and output receptacles are
switch.	8	present.
4. Using a pencil or other small object,		Connect the control cable from the Power Feed 10
slide the switch to the ON position for	546
negative electrode polarity. Conversely,		Robotic Wire Drive to the output receptacle on the
	7	PowerWave.
slide the switch to the OFF position for	12 3
positive electrode polarity.		NOTE: The maximum cable length between the
O N			Power Feed 10 Robotic and the power source
5. Replace the cover and screws. The PC board will			is 100 feet (33 m).
“read” the switch at power up, automatically adjust-
ing all control parameters for the speed range
selected.