Tennant T5, Service Information Manual, Page: 52 / 68

D1
EMERGENCY STOP
SWITCH (OPTION)
MAIN
CONTACTOR
CR1
15
5
5
5
56
17
SW2
5 4
BRAKE RELAY
CR2
JUMPER
(STANDARD)
6 6
6
5
v
1 RED
CB1
5A
4
D2
1 RED 13 BLK
POS
CONTROL BOARD
T5 – Scrub Head Actuator RAISE (Retract)
STANDOFF 2
+
-
6 VDC
+
-
6 VDC
+
-
6 VDC
+
-
6 VDC
CR1
NEG
2
3
26
3 4
4
PIN J6-24
PIN J6-18
1 RED
1 RED
13 BLK
POST J11
POST J7
F1
100A
+
TO CIRCUI
T
B
R
EA
KE
R
CB2
1 RED 1 RED
1 RED
SW1
CHARGER
INTERLOCK
CONDITIONS: Key ON, One Step switch deactivated
SCRUB HEAD
ACTUATOR
20
19
20
20
M5
PIN J6-21
PIN J6-23
-
42
PIN J6-7
SW10
42 27
SCRUB HEAD ACTUATOR ASSEMBLY
EXTEND
LIMIT
SWITCH
PIN J6-11
41
MID
STROKE
SWITCH
SW5
RETRACT
SWITCH
SW9
SHOWN IN OPERATION DURING
RAISING OF SCRUB HEAD
switch
condition
OPEN OPEN CLOSED
CLOSED CLOSED OPEN
*
CLOSED CLOSED
*
CLOSED CLOSED
*
SW5 closes when actuator is extended 2" (50mm) or more
SW5 SW9 SW10
Scrub Head Actuator Switches Logic Chart
Fully Retracted (UP)
Fully Extended (DOWN)
Retracting (RAISING)
Extending (LOWERING)
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 Logic High
!
Be cautious when working near Control Board -
Battery voltage is always present, even with Key OFF
i
The Extend Limit Switch SW10 is an additional safety device to prevent
over-extension of the actuator; The actual length of extension is based
upon the current draw of the scrub brush motors
KEY
SWITCH
SW3
PIN J6-17
PIN J6-5
48 T5 9002333 REV.0
2
(
11
-07)
E