Lincoln Electric SVM189-B service manual Connect Leads and Cables on, Machine, Load Wire Spool

Models: SVM189-B

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B-7

OPERATION

B-7

 

 

B. CONNECT LEADS AND CABLES ON

LOCATE COMPONENTS

FIGURE B.7

THE MACHINE

 

TO CONNECT TO THE

 

 

FRONT OF MACHINE

 

 

 

 

 

 

 

CASE SIDE DOOR

(See Figure B.7)

 

 

 

1. Open the case side door

 

 

 

2. Slide the connector end of the gun and cable

SLIDE

OPEN LATCH DOOR

 

 

 

 

CONNECTOR

through the hole in the machine front and into the

 

END HERE

TERMINAL END

 

 

gun connector bushing on the wire drive.

 

 

 

 

(FITS ON STUD INSIDE

 

 

 

SEE FIGURE BELOW)

3. Make sure the gun connector end is seated fully

into the wire drive and tighten the thumbscrew to

secure the gun connector.

4. Plug the gun trigger lead connector into the 4 pin

gun trigger receptacle on the machine front.

(4 PIN)

 

LEAD CONNECTOR

 

 

WORK CLAMP

 

ALL COMPONENTS SHOWN CONNECTED

 

(FRONT AND SIDE DOOR IS REMOVED

GUN AND CABLE

FOR CLARITY)

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5.

Wire Drive Polarity. Flux cored welding requires

 

negative (-) polarity. Connect the short power cable

 

from the wire drive to the negative (-) output termi-

 

nal and tighten the thumbscrew.

6.

Work Lead Connection. Slide the lugged end of the

 

work cable through the hole in the machine front

 

and place on the positive (+) output terminal and

 

tighten thumbscrew.

C. LOAD WIRE SPOOL

THUMB SCREW TO

TIGHTEN CONNECTOR

BUSHING

CONNECTOR

END ATTACH

(4 PIN) TRIGGER RECEPTACLE PLUGGED IN

WORK CLAMP

SHORT POWER CABLE NEGATIVE "-" OUTPUT TERMINAL

WORK LEAD

CONNECTION

POSITIVE "+"

OUTPUT TERMINAL

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(See Figure B.8)

1.Locate the blue labeled 4"(102mm) diameter spool of .035”(0.9mm) NR-211MP flux-cored wire and place onto wire spool spindle. Orient the spool so that the wire feeds off the top of the spool.

2.Secure spool in place by tightening the wing nut against the against the spacer that holds the wire spool on the spindle.

3.Open the top drive roll pressure arm by rotating the tension adjustor arm down and pivoting the drive roll pressure arm up.

4.Remove the outer wire guide.

4a. Slide gun out of drive slightly.

5.Remove the lower drive roll and inner wire guide.

6.Install the .025”-.035”(0.6mm-0.9mm) inner wire guide.

7.Install the .030”/.045”(0.8mm/1.1mm) knurled lower drive roll.

8.Carefully unwind and straighten the first six inches of welding wire from the spool. Do not let the end of the wire go to prevent the wire from unspooling.

FIGURE B.8

TOP DRIVE ROLL PRESSURE ARM

TENSION ADJUSTOR DOWN

WIRE SPOOL

.035" (0.9mm)

NR-211-MP

INNER WIRE GUIDE REMOVED

LOWER DRIVE ROLL REMOVED

OUTER WIRE

GUIDE REMOVED

COMPACT WIRE WELDERS

Page 17
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Lincoln Electric SVM189-B service manual Connect Leads and Cables on, Machine, Load Wire Spool