Speed Scrub – Scrub Brush Motors System
CONDITIONS:
key ON, operator on seat, forward travel, propel pedal depressed, One Step Scrub Button pressed
Brush Motor Current Draw: Approx. 10 to 20 Amps per motor, varying upon
selected brush pressure setting
Brush Motor Voltage: Approx. 18 VDC in Economy Mode
Approx. 21.5 VDC in All Other Modes
Scrub Brush Motors are controlled by PWM (Pulse Width Modulation)
Pressing the “One Step Scrub Button” will turn on the Scrub Brush Motors
(after lowering squeegee and scrub head)
Scrub Brush Motors will function only when propelling either forward or reverse
Scrub Brush Pressure is controlled by monitoring brush motor current
i
D3
1 RED
13 BLK
13 BLK
POS
CONTROL BOARD
STANDOFF 2
+
-
6 VDC
+
-
6 VDC
+
-
6 VDC
+
-
6 VDC
v
v
1 RED
STANDOFF 4
NEG
50 RED
F1
100 A
S1
D1
CB1
5 A
CB2
15 A
KEYSWITCH
-
EMERGENCY
STOP SWITCH
X
50 RED
14
MAIN
CONTACTOR
6
5
5
5
6
3
26
3
4
4
4
4
PIN J6-17
PIN J6-5
PIN J6-24
PIN J6-6
PIN J6-13
14
1 RED
50 RED
13 BLK
RIBBON CABLE CONNECTOR P6
POST J11
POST J7
CHARGER INTERLOCK
26
4
SW1
X
+
2
2
2
M1B
M1A
PIN J6-7
27
32
ORG
42
42
27
GRN
SW2
SEAT
SWITCH
PIN J6-35
LOGIC GROUND
TOUCH
PANEL
RIBBON CABLE
LEFT SIDE
DASH PANEL
One Step
Scrub Button
Brush Pressure
Buttons
LEFT SCRUB BRUSH MOTOR
7
8
MTR2
8
7
9
10
MTR3
10
9
PIN J8-1
PIN J8-2
PIN J8-3
PIN J8-4
RIGHT SCRUB BRUSH MOTOR
Indicates Component
is Energized
Wiring Color Codes
(Unless otherwise marked)
0
1
2
3
4
5
6
7
8
9
Tan
Pink
Brown
Orange
Yellow
Green
Blue
Purple
Gray
White
Right Most Digit
of Wire Number
Color of Wire
= Battery Negative
or Logic Ground
= Battery Positive
or Positive Output
19
Summary of Contents for SpeedScrub Rider
Page 1: ... 331145 Rev 00 331145 SpeedScrub Rider Service Information and Hygenict Tanks Featuring ...
Page 4: ...ii ...
Page 7: ...1 2 3 4 5 1021038 Speed Scrub Ladder Schematic page 1 of 2 3 ...
Page 8: ...1 2 3 4 5 1021038 Speed Scrub Ladder Schematic page 2 of 2 4 ...
Page 9: ...1 Speed Scrub Wire Harness Group page 1 of 4 5 ...
Page 10: ...1 Speed Scrub Wire Harness Group page 2 of 4 6 ...
Page 11: ...1 Speed Scrub Wire Harness Group page 3 of 4 7 ...
Page 12: ...2 Speed Scrub Wire Harness Group page 4 of 4 8 ...