Lincoln Electric SVM176-A service manual K350 / K350-1ADAPTER Kits

Models: SVM176-A

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TOC

TOC

E-5

THEORY OF OPERATION

E-5

 

FIGURE E.5 K350-1 DIAGRAM

 

 

 

608

 

 

 

 

 

 

 

 

 

 

 

 

 

521

 

 

21

609

 

 

 

 

610

 

604B

 

 

 

 

 

 

3 6 4 5 2 1

RELAY P.C.* BOARD 607

602606

605

607

75

B

9

6

3

75A

75B

 

 

 

608

 

1CR

 

 

 

 

 

A

 

 

 

76

 

8

 

7

 

5

 

4

 

2

 

1

4

2A

76A

76B

 

 

 

 

 

 

 

521 21

SENSE LEAD

 

 

 

 

609

 

 

 

 

2CR

 

 

 

B

 

4

A

 

610

 

 

 

 

9

 

 

8

7

 

 

6

 

5

4

21

604A

3

 

2

1

 

75

 

 

 

 

 

2B

521A

76

 

 

 

 

77

 

 

 

 

 

 

 

 

521B

 

4

606

R

B

 

32

 

 

31

605

R

B

 

 

 

 

2A

24V. CONTROL TRANSFORMER

 

 

2C

2B

 

AMPHENOL

Return to

Return to

 

3

2

1

INDICATES CONNECTOR

6

5

 

4

CAVITY NUMBER

 

 

A.N.S.I. ELECTRICAL SYMBOLS PER E1537

602

604 75 76 77 521

602

"A" WIRE FEEDER TERMINAL STRIP

ICR & 2CR - 3 PDT, 24V.D.C.

604 75 76 77 521

"B" WIRE FEEDER TERMINAL STRIP

COLOR LEGEND

R=RED

B=BLACK

(J) A

(A)A

(D)A

(C)A

(H)A

(E)A

(F)A

(G)A

(I)

A

(K)A

(B)A

31

32

4

2

77

76

75

GND

8 CONDUCTOR CONTROL CABLE

12-01

M17514

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

K350 Control Cable - for use with

FIGURE E.5.a

 

 

 

 

 

 

 

 

 

8 CONDUCTOR CONTROL CABLE

B(76)

 

 

power sources that do not have a

A(75)

 

 

 

 

 

 

 

14 pin Amphenol connector

C(75)

 

 

 

 

 

 

 

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K350 / K350-1ADAPTER KITS (cont.)

 

2B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The wiring diagram in Figure E.5 shows the internal

The 24 volt control transformer provides power for

connections that allow the voltage control, the welder

the Relay Board and the relays. It is also the low

output (contactor) control and the Work Sense Lead

voltage trigger circuit supply for the LN-23P.

(#21) to be switched from one feeder to the other.

The K350 is basically the same as the K350-1

The Relay Board and the two relays (1CR & 2CR)

except the Control Cable to the power source has

connect the feeder that has been triggered to the

leads with terminals. (Figure E.5.a). It is designed to

power source through the control cables. See the

be used with power sources that have a terminal

K350 Machine Schematic in Section G for a better

strip for the wire feeder connection rather than a 14

understanding of the relay logic.

pin connector.

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Unshaded areas of block logic diagrams are the subject of discussion.

LN-23P

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Lincoln Electric SVM176-A service manual K350 / K350-1ADAPTER Kits

SVM176-A specifications

The Lincoln Electric SVM176-A is a robust and versatile semiautomatic wire feeder designed to cater to a wide range of welding applications. Known for its reliability and ease of use, the SVM176-A is particularly favored in both industrial and construction settings, where efficiency and performance are paramount.

One of the standout features of the SVM176-A is its compact design. This relatively lightweight unit is easy to transport and can fit into tight spaces, making it an ideal choice for mobile applications or projects that require more maneuverability. The unit's construction is durable and built to withstand the rigors of demanding work environments, ensuring longevity and consistent performance.

The SVM176-A supports various welding processes, including MIG (Metal Inert Gas) and flux-cored arc welding, providing versatility for different materials and thicknesses. This adaptability is enhanced by its ability to accommodate a variety of wire sizes, allowing users to select the ideal wire type for their specific project requirements. The equipment also features adjustable wire feed speed, helping to ensure optimal weld quality by allowing operators to tailor their settings based on the needs of the job.

Innovative technologies in the SVM176-A contribute to its performance. The unit is equipped with a digitally controlled microprocessor that streamlines operations, providing enhanced control over welding parameters. This advanced technology enables users to achieve precise welds consistently, minimizing the risk of defects and improving overall efficiency.

Another remarkable characteristic of the SVM176-A is its user-friendly interface. The unit features easy-to-read displays and intuitive controls, enabling operators to make quick adjustments without having to consult an extensive manual. This is particularly beneficial in fast-paced work environments where time is of the essence.

Furthermore, the Lincoln Electric SVM176-A boasts a range of safety features, including thermal overload protection and a sturdy casing, which safeguard both the equipment and the operator. With these characteristics combined, the SVM176-A stands out as a preferred choice for professional welders seeking reliability, versatility, and operational excellence in their equipment. This exceptional wire feeder continues to uphold Lincoln Electric's commitment to quality and performance in welding technology.