Service manual
FORM NO. 56043098 - Convertamatic
™
24C, 24D, 26C, 26D, 28C, 28D - 71
ELECTRICAL SYSTEM
X29
S4
RECOVERY TANK FULL SWITCH
X49
X14
L1
COIL, SOLUTION SOLENOID
K2
CONTACTOR, VACUUM MOTOR
X10
M
X28
R1
POT. 5K OHM THROTTLE
M4
MOTOR, VAC
M
SP2
M5
MOTOR, BRUSH ACTUATOR
M
L2
COIL, RECYCLE SOLUTION SOLENOID
X45
X9
PANEL BONDING
X1
X36
J2
M1
MOTOR, WHEEL DRIVE
M
CIR BREAKER PANEL BONDING
X3
X17
F2
5A.CIR.BR.
X13
X19
X12
X50
X16
F1
FUSE, 150 A.
F3
30 A. CIR. BR.
X37
SP1
X32
X27
M10
CHEMICAL PUMP
M
R2
POT. 100K OHM SPEED LIMIT
M3
MOTOR, RIGHT BRUSH
M
X24
X52
S2
M2
MOTOR, LEFT BRUSH
M
X33
X15
X38
X53
X11
M8
SOLUTION PUMP
M
X25
S1
X39
X48
S3
SW, SPST KEY
J1
BT1
BATTERY
24 VDC OR 36 VDC
M9
RECYCLE PUMP
M
K1
CONTACTOR, BRUSH MOTOR
X46
A2 SPEED CONTROLLER
1
18
1
4
P2
P1
PROGRAMMER
2
3
B-
B-
POT HIGH
POT WIPER
KSI
BRAKE-
PUSH
MODE(M1, M2)
STATUS
B+
B+
INHIBIT
POT LOW
BRAKE+
BDI
HORN
REVERSE
SPEED LIMIT POT
X51
X47
F2
5A.CIR.BR.
TERMINAL BLOCK, (-)
X5
M
X4-TERMINAL BLOCK, (+)
X8
X26
X31
S5
RECYCLE START SWITCH
X42
CHASSIS BONDING
X2
S6
RECYCLE STOP SWITCH
CONTROL BOARD BONDING
X6
K3
CONTACT N.O.
X30
SP3
A
B
12
A
B
A
B
12
1
2
34
(+)
(-)
-+
A
B
1
2
3
1
2
1
1
2
2
-+
12
A
B
(+)
(-)
21
A
B
1
2
3
4
5
6
8
9
10
11
12
7
-+
21
A
B
12
A
B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
A
B
A
B
A
B
12
12
A
B
2
1
2
2
A
B
A
B
-+
1
2
3
-+
A
B
A
B
12
-+
A
B
1
2
3
4
1
2
3
4
A
B
-+
A
B
12
1
2
3
4
A
B
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+-
-+
1
2
34
5
6
A
B
B-
M1
M2
B+
A
B
A
B
12
3
4
1
+-
1
2
3
A
B
A
B
12
1
2
3
4
21
12
21
COM NO
A
B
1
2
2
BLK 4-2
RED 10-1
BRN 16-3
BLK/YEL 18-1
BLK 12-3.
RED 10-1
WHT/BLK 18-1
BRN 16-7
BLK 16-1
BRN 16-2
BLK 12-4.
RED 16-1
BRN 16-7
WHT 12-2
RED 4-2
VIO/BLK 18-1
RED 10-3
BRN 16-8
RED 10-3
WHT
ORN/BLU 22-1
WHT/RED 16-1
BLK 4-1
YEL/BLU 18-1
RED 16-1
BRN 16-3
BLK 12-3
RED 10-2
RED 4-1
RED 10-2
WHT 12-1.
BLK 16-2
BLU 12-1
BLU/WHT 16-1
WHT/RED 16-1
WHT 12-1
BLK 12-4
BLK 10-3
BRN/BLK 10-1
BRN/BLK 10-1
YEL/RED 10-1
YEL/RED 10-1
WHT/YEL 10-1
WHT/YEL 10-1
BLK 18-2
BLK 18-3
RED 16-2
GRA/WHT 18-1
BLK 18-2
YEL/BLU 18-1
BLK 18-3
WHT/BLK 18-1
RED 16-2
RED 18-1
RED 18-2
RED 18-1
GRN/BLK 18-1
ORN/RED 18-1
RED 18-2
ORN 18-1
BLK 12-1
BLU 12-1
BLK 12-1
BRN 16-4
RED/GRN 18-1
BRN 16-5
YEL/GRN 18-1
BRN 16-5
BROWN
WHITEWHITE
BLUEBLUE
BROWN BROWN
BLK
BLK
VIO/YEL 18-1
WHT/GRN 18-1
RED
ORN/RED 18-1
ORN 18-1
BRN 16-4
BLU/WHT 16-1
BLK 16-1
YEL/GRN 18-1
WHT 12-2
RED 18-3
RED 18-3
YEL/VIO 18-1
WHT 12-1
WHT/GRA 18-1
BLK 12-4
BLK 12-3
WHT 12-2.
RED/WHT 18-1
GRN/YEL 18-1
GRN/YEL 18-1
BRN 16-1
GRN/YEL 18-2
GRN
RED/WHT 18-1
BRN/BLK 18-1
BRN/BLK 18-1
GRA/WHT 18-1
WHT/GRA 18-1
YEL/VIO 18-1
WHT/GRN 18-1
BRN 16-8
BLK 18-7
VIO/YEL 18-1
RED/BLK 22-1
BLU/BLK 22-1
GRN/BLK 18-1
BLK 16-2
BRN 16-1
RED/GRN 18-1
BLK/YEL 18-1
VIO/BLK 18-1
BLACK BLACK
WHITE
BLUE
BLACK
WHT 22-1
BLK 22-1
BLK 12-2
BLK 12-2
BLK 10-2
BLK 10-2
BLK 10-3
BLK 18-6
BLK 18-1
BLK 18-6
BLK 18-4
BLK 18-5
BLK 18-5
BLK 18-1
BLK 18-4
BRN 16-2
BLACK
BLUE
BRN 22-1
RED/BLK 22-1
ORN/BLU 22-1
WHITE
BLU/BLK 22-1
BROWN
GRN/YEL 18-3
GRN/YEL 18-2
GRN/YEL 18-3
BLK 18-7
CONTROLS
WHEEL DRIVE
NOTE POLARITY OF
BRUSH MOTOR
CONNECTIONS
FOR DISC TYPE BRUSHES
M2
MOTOR, LEFT BRUSH
BATTERY DISCONNECT
A1
CONTROL BOARD
FOR CYLINDRICAL TYPE BRUSHES
M3
MOTOR, RIGHT BRUSH
OPTIONAL RECYCLE SYSTEM
SOLUTION PUMP
OPTIONAL RECYCLE PUMP
OPTIONAL
NOTE: SWITCH IS PART
OF PUMP ASSEMBLY
NOTE: SWITCH IS PART
OF PUMP ASSEMBLY
OPTIONAL CHEMICAL PUMP
OPTIONAL ONBOARD CHARGER
INTERLOCK
B+ B-
TO X4 TERMINAL BLOCK (+)
TO X5 TERMINAL BLOCK (-)
NOTE: DISCONNECT RED 16-1
WIRE FROM F2 AND CONNECT
GRN WIRE TO F2
OPTIONAL
CHEMICAL RATIO SENSOR
SUPPLY
OUTPUT
B-
A
B
A
B
BRN 22-1
2
revised 8/05