Lincoln Electric IM837-A manual Engine Welders /LN-742 Connection Diagram

ENGINE WELDERS /LN-742 CONNECTION DIAGRAM

WARNING
ELECTRIC SHOCK can kill	MOVING PARTS can injure

Do not operate with panels open.	Keep guards in place.
Disconnect NEGATIVE (-) Battery lead	Keep away from moving parts.
before servicing.	Only qualified personnel should install,use
Do not touch electrically live parts.	or service this equipment.

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RANGER 305D (CE)

14PIN AMPHENOL

CAUTION:

+_

TO LN-742 INPUT

CABLE PLUG

K1819-10 CONTROL CABLE

TO WORK

ELECTRODE CABLE

TO WIRE FEED UNIT

DIAGRAMS

ANY INCREASE OF THE HIGH IDLE ENGINE RPM BY CHANGING THE GOVERNOR SETTING OR OVERRIDING THE THROTTLE LINKAGE WILL CAUSE AN INCREASE IN THE AC WIRE FEEDER VOLTAGE, WHICH CAN DAMAGE THE CONTROL CIRCUIT. THE ENGINE GOVERNOR SETTING IS PRE-SET AT THE FACTORY – DO NOT ADJUST ABOVE RPM SPECIFICATIONS LISTED IN THE ENGINE WELDER OPERATING MANUAL.

N.A. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS. SEE OPERATING MANUAL.

N.B. CONNECT WELDING CABLES TO OUTPUT STUDS FOR DESIRED POLARITY. POSITION THE WIRE FEEDER VOLTMETER SWITCH TO MATCH THE POLARITY OF THE ELECTRODE CABLE.

N.C. PLACE THE MODE SWITCH IN THE “CV-WIRE” POSITION.

N.D. PLACE WELDER TERMINALS SWITCH TO “REMOTELY CONTROLLED” POSITION. N.E. PLACE IDLER SWITCH IN “AUTO” OR “HIGH” IDLE POSITION AS DESIRED.

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S24787-13

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