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ElECTriCal DiaGrams | ||
WiriNG DiaGram - |
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WIRING DIAGRAM- LN-25 PRO ANALOG
MOTOR FILTER P.C. BOARD | J61 | ||
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YELLOW THERMAL LED
POLARITY
LED
TRIGGER | S1 |
| S2 |
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509D |
| 509D | ||
INTERLOCK / | 509E | CC / CV | 509C |
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2 STEP | 587A | 523A |
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N.B. | N.B. |
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(SHOWN IN 2 STEP) | (SHOWN IN CV) |
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N.B. |
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S3 | 509C | 1 | 509 | |
COLD | 587A | 2 | 587 | |
509E | 523A | 3 | 523 | |
FEED | 530A | 530A | 4 | 530 |
| N.O. |
| 1 | 601 |
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| 2 | 509B |
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509A |
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509 |
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| 509A | 707 | 500 | 2W | 3B |
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| 612 | 587 | 708 |
| 610 | 622 | 1W |
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509B |
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10
1 2 3 4
667D B1
667E B2
1 | 601 |
2 | 606 |
3 | 608 |
4 |
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to Master TOC
1W 1B
N.A. 
2W 2B
N.A. 
| P60 | 3 |
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FEED | 4 | 4B | |
PLATE |
| 5 | 605 |
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| 6 | 606 |
| TACH | 7 | 608 |
| 8 | 607 | |
MOTOR / | R |
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GEARBOX | U |
| CONNECTS |
| B |
| TO TIMER |
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| KIT |
W B |
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| P20/J20 |
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J6 | J1 |
B2
CONTROL P.C. BOARD
B1
J2 | 5 | 605 | N.D. |
6 | 607 | ||
| 7 | EXTRA |
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| 8 | TORQUE |
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| 9 | 555 |
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GAS PURGE
PUSHBUTTON
SWITCH
Return
Return
WFS RANGE
SWITCH S5
N.B. 
ARC
VOLTMETER
622B 555A
VM + | TRIGGER |
| CONNECTOR |
WIRE FEED SPEED
CONTROL
POTENTIOMETER
10K2W
R1 
577A 576A 575A
| P7/J7 |
721 | 1 |
500A | 2 |
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R | 2 | 531 | L4 |
3 | |||
U | 4 | 537 |
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B | 5 | 534 | L5 |
B | 6 | 551 | |
7 |
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W | 8 | 550 |
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721A |
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500 |
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J5J4
1 | 2 | 3 4 | 5 | 6 | 7 8 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 10 11 12 |
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J3 | 4 |
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612 | N.O. |
610 |
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| N.B. |
BLACK | - |
| FAN |
RED | + |
to Master TOC
721 | 667B | A | 622A |
| P14 | B | 500A |
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WORK B
TO WORK CLIP 
| WORK A |
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| BRIDGE |
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| RECTIFIER |
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AC | + | 667A | |
667B | |||
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- | AC D1 |
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| 67B | ||
555A | 3 |
622A | 4 |
575A | 5 |
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576A | 7 |
577A | 8 |
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1B | 13 |
1W | 14 |
2B | 15 |
555 |
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622 |
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707 |
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75C |
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76C |
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77C | 3B |
1B | |
1W | 4B |
2B |
667 | 2A | 721A | 67F | 550 | 690 | 507 | 537 | 531 | 575 |
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| 4A | 821B 621 | 551 | 691 | 577 | 578 | 534 | 576 | 690 | |||||||
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| GAS |
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| SOLENOID |
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| 691 |
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| 507 |
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| CONTACTOR COIL | 67F | ||
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| 67C |
621A |
2W | 16 |
2W |
TIMER KIT (OPTIONAL)
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1 | 2 | 3 | 4 | 5 | 6 7 | 8 |
601 |
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| 605 | 608 | ||
509B 4B | 606 | 607 | ||||
TO P60 ON
HARNESS
67B | 1 | 67C |
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667A | 2 | 667C |
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3 |
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WORK A | 4 | 821B |
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621A | 6 | 621 |
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| P17/J17 | 667D | 667E | J18 | 2 | |
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| 3 | 41 | |
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NOTES:
N.A. PIN NEAREST THE FLAT EDGE OF LED LENS (ANODE) ALIGNS WITH WHITE
LEAD OF LED SOCKET.
N.B. SWITCHES SHOWN FROM REAR CONNECTION SIDE OF SWITCH.
N.D. CONNECT "EXTRA" TO "TORQUE" ON EXTRA TORQUE MODELS ONLY.
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| 67D | 67E |
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| CONTACTOR |
| INPUT ELECTRODE |
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| 76C 21E | 4A | 42 |
| CABLE CONNECTION |
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| 67E 75C 77C | 2A | 41 |
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J15 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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| (VIEWED FROM COMPONENT SIDE OF P.C. BOARD) |
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| J14 | B |
| 1 | 2 | 1 | 3 |
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| C | J11, J16, |
| J12, J17 |
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| J18, J61 |
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| 3 | 4 | 6 |
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| 5 | 8 |
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| J19 |
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| J3, J5, J9, |
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| GENERAL INFORMATION |
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| J20, J60 |
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| 4 |
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| ELECTRICAL SYMBOLS PER E1537 |
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| 1 | 5 | 1 | 6 | 1 | 8 |
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| J1, J2, | J15 |
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| LEAD COLOR CODING |
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| 6 | 10 | 7 | 12 | 9 | 16 | |
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| B - BLACK |
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| W - WHITE |
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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.
