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G-2

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL DIAGRAMS

 

 

 

 

 

 

 

 

 

G-2

Wiring Diagram

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SA-250 & 350-SA

WIRING DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL SYMBOLS

CONTROL PANEL COMPONENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN AS VIEWED FROM REAR.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PER E1537

 

P10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEUTRAL BONDED TO FRAME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEAD COLOR CODE

NEUTRE RACCORDE 'AU BATI

12 11 10 9 8

7 6 5

4 3 2 1

 

 

THERMOSTART

 

 

 

 

 

 

 

 

U

 

B-BLACK

 

 

W

 

 

 

 

 

J5

 

 

 

 

 

 

 

 

 

 

 

IDLER

 

G-GREEN

 

 

B

 

 

 

 

 

 

+Y

 

 

IGNITER

 

 

 

 

 

 

 

 

U

 

N-BROWN

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

P.C.

R

 

 

 

 

 

ALTERNATOR

ROTOR

 

-W

 

 

 

 

 

 

 

ENGINE

 

 

 

 

 

 

 

 

 

 

 

U

 

 

 

 

 

 

 

 

 

 

 

BOARD

W

 

 

(LEADS APPEAR ON

SLIP RINGS

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

EARLIER UNITS ONLY)

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

B

+

610

 

 

 

53

 

 

 

ENGINE

 

 

 

 

 

56A

 

 

 

 

SLIP RING

 

 

 

 

 

 

 

 

IGNITION

 

IDLER

 

57

 

 

 

W B

NEAREST

 

 

 

 

 

610

602B

 

 

 

 

 

 

HOUR

 

 

 

 

 

 

TO IRON

 

R

AC

 

AC

600B

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

THERMO

 

 

METER

FUSE (SFE-14)

SWITCH

 

 

 

IDLER

 

 

 

 

 

 

 

 

 

 

 

41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

START

START

+

-

 

 

56

 

SOLENOID

 

 

 

 

 

 

 

 

 

-

 

 

G NO NC S B

 

 

 

 

 

115 VOLT

 

230 VOLT

 

 

Y

600A

 

2

 

 

 

 

 

 

 

58

59B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OIL PRESSURE

 

B

RECEPTACLE

RECEPTACLE

 

 

15A.

42

 

3

 

 

 

 

 

 

 

 

51B

 

 

 

 

G

 

 

 

 

 

 

 

4

 

 

 

 

 

59

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

54

 

SWITCH(N.C.)

 

 

 

 

 

 

FUSE

Y

602A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51A

52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RHEOSTAT

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

J8

 

 

 

 

 

 

 

60A

 

 

59C

 

 

 

 

 

 

 

 

B

 

 

P9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SELECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

50A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

FUEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

INJECTION

 

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

.

 

 

 

 

 

 

 

 

 

 

PUMP

 

 

CB2

B

 

B

CB3

W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CB4

 

AUXILIARY

 

 

 

 

 

 

 

 

 

 

 

TEMPERATURE

 

 

 

 

 

CB1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

GAUGE

 

 

 

 

 

 

 

 

 

 

 

 

WINDINGS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GENERATOR

 

 

 

 

 

50

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

G

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

S

 

 

+ A -

 

 

59A

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

ALTERNATOR

 

 

 

 

B

 

 

 

 

 

 

5 4 3

2 1

 

 

STARTING

 

 

 

 

 

 

 

 

 

 

 

CURRENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR2 REED

WELDER

 

 

 

 

 

 

 

 

+ -

EXC

 

 

 

U

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

MOTOR

 

 

 

51

 

 

 

 

 

 

 

 

 

 

 

RELAY

LEAD BLOCK

 

 

 

 

 

 

 

 

 

 

60B

60D

 

 

 

 

U

 

 

 

 

 

 

 

R

 

N U -W+Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

GROUND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POSITIVE

 

 

 

TO BASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NEGATIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(CC-)

(CC+) & (CV+ WITH W.F.M.)

 

 

 

 

 

 

 

REMOTE CONTROL (OPTIONAL)

PLUG FOR

 

WIRE FEED MODULE (OPTIONAL)

 

 

 

 

REMOTE CONTROL RECEPTACLE & SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REMOTE CONTROL

 

 

ON MACHINE, REMOVE PLUG "P10" FROM CONNECTOR "J5".

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POTENTIOMETER

 

 

CONNECT PLUG "P5" ON W.F.M. TO CONNECTOR "J5" ON MACHINE.

 

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEEBELOW

 

B

 

 

X

 

 

 

 

 

Y

 

X

INLINE

 

 

 

PLUG

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTORS

 

 

(P5)

 

 

 

 

 

 

.

 

 

1

41

 

 

 

 

 

 

 

 

 

 

 

W.F.M.

 

 

 

 

 

 

 

 

 

 

.

*

 

2

600

 

 

 

Y

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

W

 

PANEL

 

 

 

 

 

 

 

 

 

 

.

3

42

 

 

R

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

BELOW

4

602

 

 

 

 

G

 

 

 

CONNECT

CONNECT TO POS. & NEG.

 

POS.

#8

LEAD

WIRE

FEED

 

 

 

 

 

 

 

 

CONNECT

 

 

 

 

 

 

 

 

 

5

 

 

 

W

 

 

 

 

TO CASE

 

 

 

 

 

 

 

6

 

 

 

 

 

TO CASE

 

 

 

OUTPUT TERMINALS

 

 

NEG.

 

 

 

MODULE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P8

 

 

 

 

 

 

 

 

 

 

 

NEGATIVE CV

 

 

#2 HEAVY LEAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT TERMINAL

 

 

 

 

 

 

 

 

 

SWITCH FOR LOCAL OR REMOTE CONTROL

 

 

 

 

 

 

 

 

PANEL

 

 

608

 

 

 

 

 

 

 

,

 

 

SHOWN IN LOCAL POSITION.

 

 

 

 

 

 

 

 

 

 

 

609

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* WITH MACHINE NOT RUNNING,

 

 

 

 

 

 

 

 

 

 

CONNECT TO NEG.

 

 

 

 

 

 

 

 

 

 

REMOVE PLUG "P9" ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRUSH HOLDER

 

 

 

 

 

 

 

 

 

 

 

MACHINE FROM CONNECTOR "J8". THEN CONNECT

 

 

 

 

 

REMOTE CONTROL

 

 

#2 HEAVY LEAD

 

 

 

 

PLUG "P8" ON REMOTE CONTROL TO

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR "J8" ON MACHINE.

 

 

 

 

 

 

 

POTENTIOMETER BOX

 

 

 

* MACHINE MUST NOT BE RUNNING

 

 

THE RED AND BLACK LEADS ARE USED ON CLASSIC I MACHINES ONLY AND ARE NOT

 

 

 

 

 

 

250 AMP

 

 

 

WILL RESULT IF THE RED AND BLACK LEADS ARE CONNECTED IN THE SA-250

 

 

 

 

 

 

 

THERMOSTAT

 

 

CONNECTED ON THIS MACHINE. DAMAGE TO THE REMOTE CONTROL AND/OR MACHINE

 

 

 

 

 

 

 

 

 

WHEN MAKING THESE CONNECTIONS.

 

AND 350-SA.

 

 

 

 

 

 

 

 

 

 

 

 

 

ASSEMBLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

7-19-96J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLEVELAND, OHIO U.S.A.

 

 

 

 

 

L9150

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.

SA-250

Page 107
Image 107
Lincoln Electric SVM128-A service manual Electrical Diagrams, Wiring Diagram

SVM128-A specifications

The Lincoln Electric SVM128-A is a cutting-edge welding machine designed to meet the demands of both professional welders and DIY enthusiasts. This versatile welding power source brings together advanced technology and robust design, making it a reliable choice for various welding applications.

One of the standout features of the SVM128-A is its capability to perform multiple welding processes. It supports MIG, TIG, and stick welding, allowing users to tackle a wide range of projects with ease. This multi-functionality makes it ideal for professionals working in different industries, as well as for hobbyists who enjoy diverse welding tasks.

The SVM128-A is equipped with inverter technology, which enhances its performance by providing a more stable arc and improved energy efficiency. This technological advancement contributes to lower operational costs and allows for a more consistent weld quality across different materials and thicknesses. Additionally, the inverter technology enables the machine to be lightweight and portable, making it convenient for jobs that require mobility.

Another prominent characteristic of the SVM128-A is its user-friendly interface. The machine features intuitive controls and a digital display that allows operators to easily set the desired welding parameters. This simplified setup helps reduce the learning curve for new users while also offering precise control for experienced professionals.

The Lincoln Electric SVM128-A is designed with durability in mind. Its robust construction ensures that it can withstand the rigors of frequent use in demanding environments. The machine is also equipped with various safety features, including thermal overload protection and a duty cycle rating that prevents overheating, ultimately extending its lifespan.

For optimal performance, the SVM128-A provides adjustable output options, allowing users to customize the welding parameters based on their specific needs. This flexibility makes it suitable for welding various metals, including steel, aluminum, and stainless steel.

In summary, the Lincoln Electric SVM128-A combines versatility, advanced technology, and a user-friendly design. With its capability to perform multiple welding processes, lightweight construction, and durable features, it stands out as an excellent option for anyone looking to achieve high-quality welds. Whether for professional or personal use, the SVM128-A is poised to deliver reliable performance and exceptional results.