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B-8

OPERATION

 

B-8

 

 

(See Figure B.9)

 

 

FIGURE B.9

9. Feed the wire through the wire drive inlet along the

TOP DRIVE ROLL

 

PRESSED AGAINST

 

LOWER DRIVE ROLL

 

inner wire guide groove and into the wire drive outlet

TENSION ADJUSTOR

 

 

LOCKED IN POSITION

 

 

on the gun side.

 

 

 

10.Close the top drive roll pressure arm and secure by pivoting the tension adjustor back to the up position.

11.Re-install the outer wire guide.

(See Figure B.10)

12.Remove the nozzle from the gun and contact tip and straighten the gun out flat.

13.Turn the machine power to on and depress the gun trigger to feed the wire through the gun liner until the wire comes out of the threaded end of the gun sev- eral inches. (See figure B.11)

14.When trigger is released spool of wire should not unwind. Adjust wire spool brake accordingly.

WARNING

SLIDE WIRE

INTO GUN

CONNECTOR

SIDE

REMOVED NOZZLE

REMOVED CONTACT TIP

LAY CABLE AND GUN STRAIGHTEN IN THIS POSITION

DIRECTION OF WIRE

WIRE SPOOL

.035" (0.9mm)

NR-211-MP

LOWER DRIVE ROLL

BE SURE WIRE

IS IN GROOVE

FIGURE B.10

.035"(0.9mm) NR-211-MP

WIRE SPOOL

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MOVING PARTS AND ELECTRICAL CON- TACT CAN CAUSE INJURY OR BE FATAL. •When the gun trigger is depressed drive rolls, spool of wire and electrode are

ELECTRICALLY LIVE (HOT).

Keep away from moving parts and pinch points.

• Keep all Doors, Covers, panels and guards securely in place.

DO NOT REMOVE OR CONCEAL WARN- ING LABELS.

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15. Install the .035”(0.9mm) contact tip

16.

Install the black flux cored welding nozzle to the gun.

17.

Trim the wire stickout to 3/8”(9.5mm) from the con-

 

tact tip. (See Figure B.12)

18.

Close the case side door. The machine is now ready

FIGURE B.11

ON/OFF

SWITCH

FEED WIRE

APPROXIMATELY 4.00"

FROM THE GUN TUBE END

DEPRESS TRIGGER

TO ACTIVATE WIRE,

WHICH FEEDS THE WIRE

THRU THE LINER.

WORK CLAMP AND CABLE

PLUG IN POWER

INPUT CORD

.035"(0.9mm) NR-211-MP

WIRE SPOOL

ROTATION

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to weld.

19.

Read "Learn to Weld" (LTW1) that is included with

 

the machine or watch the "How to Weld" DVD includ-

 

ed with the machine.

20.

Based on the thickness of the material you are going

 

to weld and the type and diameter of the welding

 

wire set the voltage and the wire feed speed per the

 

procedure decal attached to the inside of the wire

 

drive compartment door.

FIGURE B.12

TRIM WIRE

STICKOUTINSTALL .035 CONTACT TIP 3/8"(9.5mm)

from the Contact Tip

INSTALL BLACK FLUX-CORED NOZZLE

COMPACT WIRE WELDERS

Page 18
Image 18
Lincoln Electric SVM189-B service manual Figure B.9