Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur télécharger pdf (Page 12)

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A-6

INSTALLATION

A-6

LN-8

ELECTRIC

SHOCK

CAN KILL

TURN OFF INPUT POWER

TO THE WELDING POWER

SOURCE USING THE

DISCONNECT SWITCH

BEFORE WORKING

ON THIS EQUIPMENT.

WARNING

24 21

POWER SOURCE

TO WORK

ELECTRODE CABLE TO

WIRE FEED UNIT

NEGATIVE

31 32

GND

76 77

TO OPTIONAL R3S

LINE VOLTAGE

COMPENSATOR

TO LN-8

INPUT CABLE PLUG

LN-8 CONTROL

CABLE

N.D.

N.B.

N.C.

N.B.

N.A.

THE ABOVE DIAGRAM SHOWS THE ELECTRODE CONNECTED FOR POSITIVE POLARITY. TO CHANGE POLARITY, TURN OFF THE POWER,

REVERSE THE ELECTRODE AND "TO WORK" LEADS AT THE POWER SOURCE, AND REVERSE THE "CONTROL SWITCH" AT THE POWER

SOURCE.

CONNECT THE LN-8 CONTROL CABLE GROUND LEAD TO THE FRAME TERMINAL MARKED NEAR THE POWER SOURCE TERMINAL STRIP

OR TO AN UNPAINTED FRAME SCREW. THE POWER SOURCE MUST BE PROPERLY GROUNDED.

N.A. ON EARLIER R3S-400, -600, AND -800 MACHINES, TERMINALS #67 AND #1 WERE ALSO ON THE TERMINAL STRIP.

N.B. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS.

N.C. EXTEND LEAD #21 USING #14 OR LARGER INSULATED WIRE PHYSICALLY SUITABLE FOR THE INSTALLATION. AN S16586-[ ]

REMOTE VOLTAGE SENSING WORK LEAD IS AVAILABLE FOR THIS PURPOSE. CONNECT IT DIRECTLY TO THE WORK PIECE, KEEPING IT

ELECTRICALLY SEPARATE FROM THE WELDING WORK LEAD CIRCUIT AND CONNECTION. FOR CONVENIENCE, THIS EXTENDED LEAD

#21 SHOULD BE TAPED TO THE WELDING WORK LEAD. (THIS EXTENDED #21 LEAD CONNECTION REPLACES THE NEED TO EMPLOY THE

REMOTE WORK LEAD ACCESSORY ON LN-8 METER KITS WHICH HAVE A DIRECT WORK LEAD JACK).

N.D. LN-8 LEADS A, B, AND C (#75, #76, AND #77 ON OLDER LN-8 CONTROL CABLES) ARE TAPED UP WHEN THE R3S LINE VOLTAGE

COMPENSATOR IS CONNECTED. ARC VOLTAGE IS CONTROLLED BY THE LINE VOLTAGE COMPENSATOR RHEOSTAT. THERE WILL BE NO

ADJUSTMENTS OF VOLTAGE BY THE LN-8 VOLTAGE CONTROL.

TAPE UP BOLTED CONNECTION

POSITIVE

FIGURE A.2 – CONNECTION OF LN-8 TO AN IDEALARC R3S-400, 600 OR 800

(WITH LVC) (DISCONTINUED)

CLEVELAND, OHIO U.S.A.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 98 99

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Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur Page 12

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