Chicago Electric 95629 manual MIG/Arc Welder 95424 Electrical Schematic, ControllerBlock BCN-4U

Page 34

MIG/Arc Welder (95424) – Electrical Schematic

Motor Motor +Motor -Motor

-15V

Electrodelight

ElectrodeON-OFF WireFeedSpeed WireFeedSpeed -15V Overload

Start

Start

Valve

Valve

Thermoresistor

Thermoresistor

«+15VStart» «-15VStart» «0" «InpF»

ControllerBlock BCN-4U

aredesignation:

y- Yellow br–Brown bl–Blue p-Pink

cables

 

4 3 2

1

M1

 

y

XS6

1

 

8

XS9

#17A

 

XS10

 

GearMotorCablew\Beeper

S1 voltageselect”

WireSpeedSelector, OverloadIndicator, ElectrodeIndicator w/Cable #26A

 

 

“U

 

br

r

bl

s

p

gr

w

2 3

4 5

6

7

8

7

6

5

4

3

2

12V»

 

 

 

 

 

 

«-

 

3 4

br

s

Vd97

Switch w\cable #24A

Voltage Selector

8 5 1 6 2 7

#30A

XS11

r

w

bl

y

gr

Cable

 

 

 

 

 

 

TriggerSwitch

XS12

S2

R1

“WireFeed

Speed”

 

S3

“Start” (intheGun)

 

 

 

Vd98

 

“Overload

Protection”

2 1

XS13

1

2 3 4

w

s

 

 

 

 

 

 

 

 

s

w

w

s

 

ValveCable#9A

XS14

 

 

XS15t

R2

 

Valve

Vl1

 

 

 

 

 

5 4

3 2

1

 

 

4

 

 

 

 

XS18

 

 

 

 

 

 

CableBCN-4U- BC-

Connection #33A

 

 

 

s

y

w

gr

 

 

 

 

 

 

 

 

 

 

w

 

y

gr

 

 

 

XS16

 

 

 

 

S4

“Power” #1C

 

 

XS22

 

 

 

 

 

Switch

#29A

 

gr

 

XS20...

 

 

 

 

 

Power

Cable

 

w

y

XS17

4

3

2

1

 

 

 

XS19

1 2 3

 

«+15VStart»

«-15VStart»

«230V»

«230V»

 

 

 

 

«OutA»

«ONA»

«0"

Thecolorofthewirein

w- White

s- Grey r–Red gr–Green

Fan

 

 

 

M1

 

XS23

2 1

 

Fan»

Fan»

 

+12V

-12V

 

«

«

-4-250

Vd98

 

Vd16

 

 

R10

Vd14

Vd15

 

-1

 

Vd13

Vd11 Vd12

Vd19

3

 

Vd10

 

Vt1

Vd9

 

 

 

 

 

Vd7 Vd8

 

1-1

1-2

Vd5 Vd6

Vd17

 

 

 

R11

Vd18

Vd21

2-14-2

2-24-1 Vd20

Tr1

 

DA1

1

+

Vd1...Vd4

 

Connection Block BC

R1

k1-1

R2

R3

k2-1

R4

R5

k3-1

R6

R7

O1

k4-1

O2

1

B1

 

R8

k1-2

R9

 

R10

k2-2

R11

1

2

3 4

 

5

 

6

7 8

 

 

XS5

 

 

XS4

XS3

XS2

1

2

3

4

5

 

6

k4-2

R12

 

5 1

25V

Vd99

BZX5518V

C2 10,0

Bipper

HCM1206X

1

 

2

 

 

#1B

 

 

 

 

Tr1

 

 

 

 

yel er omrehT

 

Vd100

1N4007

 

+

 

 

100,0 63V

Block

R3 1k

+

C1

Beeper

3

4

5

6

XS8

 

FR3

#5B

XS7

 

Vd1...Vd48 #2B

 

#1A

 

 

Tr2 #6B

1

2

PowerCord

 

 

 

 

 

 

gr

 

 

 

X1

X3

X2

XS1

 

 

spmA 04 / esahP elgniS

Vd49...Vd96

#2B

zH 06 / tloV 032

 

 

 

3

FR1

#8A

Polarity

Switch#12A

4

5

Negative

#25A

 

 

 

“-”

 

Power

Cable

XS24

Graund

Clamp

 

 

 

 

 

Cable

With

“+”

 

 

 

GUN

 

 

PowerPositive Cable #15A

PowerElectrode

Cable #18A

XS25

CableEltctrode

WithHolder

SKU 95424, 95629

For technical questions, please call 1-800-444-3353;

Page 34

Troubleshooting section at end of manual.

 

 

Image 34
Contents Assembly And Operation Instructions For technical questions or replacement parts, please callContents Please Note SpecificationsSave this Manual Electrical Safety General Safety RulesWork Area Personal Safety Tool USE and CareSpecific Safety Rules ServiceIndustrial applications must follow Osha guidelines Page Inhalation Hazard Welding Produces toxic fumes and gassesCylinders can explode when damaged Grounding SymbologyExtension Cords Attaching the Wheels Assembly InstructionsUnpacking Stationary MobileSee , above right See , above left For use with a 7 Spool Installing a Wire SpoolFor use with a 11 Spool Routing the Wire Figure B Exercise Extreme Caution Risk of Fire AND/OR Electric Shock Attaching the Electrode Cable Arc Welder Only Changing Wire SettingsAttaching the Ground Cable with Clamp See Figure FSet for Electrode Negative Dcen for gasless flux core wire Setting Polarity for Welding TypeSee illustration, top right initial Setup See illustration, bottom rightInstalling a Gas Cylinder Figure GBefore You Begin Welding Other settings fall between these two rangesOperating Instructions Understanding Duty Cycle Duration of UseSetting Up the Weld Voltage Selector Knob 5CSee Figures K & J MIG Welding Set UpArc Stick Welding Set Up for Model 95424 Only See Figure KMIG Weld Settings Chart Figure JArc Stick Welding Set Up , for Model 95424 Only Starting a weld arc for stick arc welding onlyWhen the Weld is Completed See Figure L MIG welding onlyContactTip Inspection, Cleaning, and Replacement MIG Only INSPECTION, MAINTENANCE, and CleaningNozzle Inspection, Cleaning, and Replacement MIG Only Or more for .030Tips .067 or more for .045TipsWarranty Replacing the Welding Torch Liner MIG OnlyParts Lists and Diagrams Parts List aAssembly Diagrams Assembly Diagrams Power Block #32AFront Panel #23A Figure NWire Drive Assembly #16A Figure OGun SB 25 #20A Figure PMIG/Arc Welder 95424 Electrical Schematic ControllerBlock BCN-4UMIG Dual Welder 95629 Electrical Schematic Page Weak arc strength TroubleshootingWelder does not function when switched on Welding arc not stableWire feeds, but arc does not ignite MIG welding only TroubleshootingRegulator or cylinder valve closed Wire feed motor does not run MIG welding onlyNozzle Plugged Gas line blocked