American-Lincoln ALTO SMART 2000 Electrical Troubleshooting Manual Download Page 11

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American-Lincoln Technology

SMART 2000 Electrical Troubleshooting Guide

T139

Continued on 71365 SHT 1

8 PIN INPUT PORT

RESISTOR ASSY. C-1

CURTIS 1303-303 CONTROLLER

100

100B

100A

101

102

103

104

105

102B

102A

SPD

12B

}

PIN 1 - SPEED POTENTIOMETER (+)

PIN 3 - SPEED POTENTIOMETER (-)

PIN 2 - SPEED POTENTIOMETER INPUT

PIN 6 - KEYSWITCH

TERMINAL B+

TERMINAL B-

TERMINAL M1

TERMINAL M2

PIN 4 & 5 - ROTATION INPUT

OPEN = RAISE

SPD

SPD2

TD3

28D

28E

31B

180 OHM

4.7K OHM

87A

13A

TD3

12A

180 OHM

SQUEEGEE CONTROL

Summary of Contents for ALTO SMART 2000

Page 1: ...AMERICAN LINCOLN TECHNOLOGY ELECTRICAL TROUBLESHOOTING GUIDE SMART 2000 Sweeper scrubber Beginning with Serial No 690001 Part No 2 86 00254 2001 Printed in the American Lincoln Technology USA ...

Page 2: ...TATEMENT 2 5 HP DRIVE MOTOR 3 MAINAND SIDE BROOM CIRCUIT 4 SCRUB DECKAND DRIVE CONTROL 5 CHIME HOPPER ACT CIRCUIT 7 VACUUM OPERATIONAND CONTROL 8 SQUEEGEE CONTROL 9 DUST FAN SHAKER CIRCUIT 11 HORN HOURAND CONDITION METER CIRCUITS 12 LOW BATTERY SHUT DOWN CIRCUIT 13 TABLE OF CONTENTS ...

Page 3: ... may result All Electrical service should be done by a qualified technician experienced in DC voltage and DC testing equipment GENERAL STATEMENT The following guide will present each electrical circuit separately not including options unless they are in electrical series with the standard machine 1 Power Off means key switch is turned off 2 Power Disconnect means battery unplugged from the machine...

Page 4: ...essary for circuit to work 1 Battery voltage 36VDC 2 Key switch on 3 CB 10 FU1 closed 4 Solenoid 1A closed 5 Seat switch closed 5 HP DRIVE MOTOR 26 BATT KEY SW 39 9 4A 2 15A 1 CB 10 1 C E K A B D 77A 77F 77G 7H 36V BATTERY BANK IGN ACC MTR 1A SEAT SWITCH 2ND MOTOR SOLENOID 1A FU1 120 AMP 5 6 HP MOTOR T135 ...

Page 5: ...t switch closed 6 Broom limit switch closed 7 Solenoid 1A closed 8 Hopper switch closed MAIN AND SIDE BROOM CIRCUIT 36 V BATTERY BANK KEY SW 4A 2 15A 1 CB 10 MAIN BROOM SOL BROOMS LIMIT SW CLOSED WHEN BROOM IS DOWN FROM HOPPER SWITCH NO HELD CLOSED WITH HOPPER IS DOWN 4A 10 10 10A 10A 9A 77G 77F D 77A 77F 77G A 1 C E K B 7H IGN ACC 9 39 1A SEAT SWITCH MTR 2ND MOTOR SOLENOID SIDE BRM MTR FU1 120 AM...

Page 6: ...ed from the middle Normal Down or the lower Heavy Down position to the Up Raise position OR 2 When scrub deck switch in lower Heavy Down and the Overload Prox switch is activated by over travel of the deck SCRUB DRIVE CONTROL 1 Battery Voltage 32 5V 2 Key Switch On in Ign or ACC position 3 Scrub deck in Normal or Heavy Down position 4 Contactor 8A energized Scrub Deck Control Contactor 8A is energ...

Page 7: ...29 29A 29 29A 29 29A 8 8 29B 29C 42 42A 42A 42B 11 11 7A 2 3 3 3A 24 6 29 23 5 7D 7E 77Q 77R 7B 7C 27 4A 9 9A 7 7A 7B 7F 7H 7H 7H 7H 7H 7H 77S 77T 7H 7C 7D 77G 77F 7H 7E 7H 42B 25 25 7G 7G 7H 77H 77J 77P 77K 77L D 77A 77F 77G 32 32 32A 46A 45A 45 45A 45 46 46A 46 15A 15A 15A 15A 50A 45A 45A 45A CB 4 CB 5 1 CB 6 LT RT CB 7 CB 8 CB 9 CB 10 CB 11 BRUSH MTRS 3RD 46 inch YEL RED SCRUB DECK ACTUATOR SCR...

Page 8: ...per is open 5 FU1 Closed 6 Seat switch closed 7 Solenoid 1A closed 8 Hopper switch in up or down position 36 V BATTERY BANK 3B 3C 21 21A 21B 9A 21A 7F 15A CB 13 5 1K 1 WATT RESISTOR CHIME TO BROOM SWITCH KEY SW 3 1 26 15 16 17 7A 7A 15A UP DOWN CB 12 HOPPER ACT 26 A B 1 C E K 39 9 4A 2 7H 15A CB 10 NC NO HOPPER SW NC HELD OPEN WHEN HOPPER IS CLOSED 2ND MOTOR SOLENOID SEAT SWITCH IGN ACC FU1 120 AM...

Page 9: ...d in the middle lower positions 36 V BATTERY BANK 13A 12A 30 30 87A 87 87 30 M9 M9 3A 3A 28 28A 27A 27A 27B 28C 51 50 49 27 27 7H 25 25 77N 77M 77N 15A CB 9 12A LOWER RAISE SQUEEGEE SWITCH DWN LIMIT SWITCH UP LIMIT SWITCH RAISE LOWER 3C 3C 3A 77H 77U 50A 15A CB 4 CB 11 VAC MTR VAC MTR BACK UP ALARM OPTION MTR MTR G H E F BATT KEY SW 3 3 3A 7H 1 7G FU2 25 AMP Curtis 1203A SQUEEGEE CONTROLLER B B 31...

Page 10: ...Provides a full speed signal The three Resistors located in series between resistor Assy C 1 Terminals T1 T4 places 5 1KOhms between Pin 1 Pin 3 This is required at all Times Less than 5KOhms from Pin1 to Pin3 at ANY time is a Open circuit input will cause the 1203A to fault disable Squeegees operation Relay SPD is engergized whenever relay 12A or relay 13A but not both are energized time delay re...

Page 11: ...3 T4 102 103 104 105 102B 102A SPD SPD 12B PIN 1 SPEED POTENTIOMETER PIN 3 SPEED POTENTIOMETER PIN 2 SPEED POTENTIOMETER INPUT PIN 6 KEYSWITCH TERMINAL B TERMINAL B TERMINAL M1 TERMINAL M2 PIN 4 5 ROTATION INPUT OPEN RAISE SPD SPD2 TD3 7H 7H 28D 28D 28E 47 48 31B 7G 30 30 180 OHM 180 OHM 4 7K OHM 4 7K OHM 30 30 87A 87A 87A 87 86 85 87 87 87 30 30 30 13A 13A TD3 12A 12A 180 OHM SQUEEGEE CONTROL ...

Page 12: ...15 closed 4 Solenoid 7A closed 5 Seat switch closed 6 Dust fan or shaker switch in on position 7 Relay M1 M11 closed 8 TD 1 closed for shaker motor circuit 36 V BATTERY BANK KEY SW 3 3A 1 SHAKER OFF DUST FAN SHAKER MOTOR 7A 7A 3 6 7 1 TD 1 2 M1 M11 M11 M1 85 30 87A 30 87 86 3A 3B 18 18B 19 19A 19A 20 20 18A 18 18A 33 34 43 43B 43A 36 35 35 7H 7H 7H 7H 77B 77C 15A 25A CB 15 CB 14 MTR MTR DUST FAN I...

Page 13: ...at switch closed machine in Fwd Or Rev for hour meter to work 6 Solenoid 1A closed HORN HOUR AND CONDITION METER CIRCUITS 26 D 77A 77F 77G A 1 C E K B 39 7H 36 V BATTERY BANK HOUR METER CONDITION METER SEAT SWITCH HORN SWITCH 77P 7B 7C 7 7A 7B 7F HORN FU1 120 AMP CB 5 F 30 1A 5 6 HP MOTOR 4A 9 9A 2ND MOTOR SOLENOID 15A MTR 29 31 1A 9 9 1 2 3 3 3A CB 11 15A 15A CB 10 29 29A 42 41 42A 42B 42 11B 4A ...

Page 14: ... re set by turning key off and then back on 7 TD 2 is closed in forward or reverse 8 M12 is closed in forward or reverse LOW BATTERY SHUT DOWN CIRCUIT 36 V BATTERY BANK KEY SW M10 8A TD 2 M12 M12 30 87 86 85 TD 2 11A 11A 11B 11B 37 37 37 37A 37A 38 38 42 41 42 29 29A 29 29A 8 8 29C 29B 42A 42B 11 3 7H 7H 77S 77T 7C 7D 7H 15A 1 CB 11 OPTION 8A 77J 77K 77L 15A 45A 45A 45A CB 6 LT RT CB 7 CB 8 C J L ...

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