Connecting a Spool GUN, Metal object | Lincoln Electric IM555

A-3				INSTALLATION		A-3
If the optional 25 foot Control Cable Extension is used,					Problems with the trigger interlock may be experienced
it should be plugged into the 6-pin receptacle of the					when using the MIG PULSER with an LN-9 GMA
wye adapter and then into the MIG Pulser. Only one					which has a L7265-2 Power PC Board. If needed,
Control Cable Extension should be used; do not series					replace with the latest Power PC Board available.
multiple extensions together. Using 50 foot or longer					CONNECTING A SPOOL GUN
control cables will cause the signals traveling between					CONNECTING A SPOOL GUN
the V300 and the MIG Pulser to degrade, leading to
poor welding performance.					Refer to Figure A.3 for information about connecting a
					Refer to Figure A.3 for information about connecting a
NOTE: The voltage meter on the wire feeder will not					spool gun in conjunction with the MIG PULSER.
NOTE: The voltage meter on the wire feeder will not
display voltage due to the lack of a 21 lead in the feed-					"
er connection.					"
er connection.
					#
OUTPUT	CABLES	FOR		PULSE
OUTPUT	CABLES	FOR		PULSE
WELDING
Pulse welding generates high peak currents, which in
Pulse welding generates high peak currents, which in
turn cause large voltage drops in welding cables. It is
essential that large cables (2/0 minimum) are used and
that all connections are clean and tight.					!

Because of voltage drops, the total length of the weld-					$$
					%&

ing leads (work lead length plus electrode lead length)
should not exceed 50 feet. If longer cables are used,
should not exceed 50 feet. If longer cables are used,						!
the maximum	achievable output		voltage will be			!
the maximum	achievable output		voltage will be
reduced.
reduced.

NOTE: Do not coil the output cables around any
metal object.
metal object.

USE WITH THE LN-9 GMA

Using the MIG PULSER with a LN9-GMA requires
Using the MIG PULSER with a LN9-GMA requires
installation of the voltage board bypass jumper. Other
adapters as called for in the V300			manual are not		Figure A.2 Control Cable Connection.
needed for this usage, but can be left in if already pre-					Figure A.2 Control Cable Connection.
needed for this usage, but can be left in if already pre-
sent.

&'+"

&'()"*

&'((

Figure A.3 Spool Gun Connection Diagram.

MIG PULSER

JAN97

INSTALLATION

CONNECTING A SPOOL GUN

OUTPUT

CABLES

FOR

PULSE

WELDING

metal object.

USE WITH THE LN-9 GMA

Figure A.2 Control Cable Connection.

Figure A.3 Spool Gun Connection Diagram.