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American-Lincoln Technology
SMART 2000 Electrical Troubleshooting Guide
VACUUM AND SQUEEGEE CIRCUIT
VACUUM AND SQUEEGEE CIRCUIT
Conditions necessary for vacuum & circuit to operate
1 - Battery voltage
2 - Key switch on
3 - CB-3, CB-4, CB-9 , CB-11 & FU2 closed
4 - Contactor 3A controls power to the Vacuum motors & is energized when the Squeeggee switch is placed
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-
31A
31B
7G
25A
CB-3
F
42
42A
41
11B
11A,
11A,
11B
REV.
FWD.
86
86
85
85
M9
M12
29
42,42A
42D
42D
7H
M9X
M9X
86
85
42C
11D
To Squeegge controller
Pin 6
28D
