Tennant T16 Operating and installation instructions

T16
*9008149*
www.tennantco.com
Rider Scrubber
Service Information Manual
9008149
Rev. 00 (1-2011)
North America / International
The Safe Scrubbing Alternative R
Hygenic Fully Cleanable Tanks
ES Extended Scrub System
R
R

This manual provides necessary maintenance, troubleshooting and repair instructions.
Read this manual completely and understand the machine before operating or servicing it.
This machine will provide excellent service. However, the best results will be obtained at minimum costs if:
SThe machine is operated with reasonable care.
SThe machine is maintained regularly - per the machine maintenance instructions provided.
SThe machine is maintained with manufacturer supplied or equivalent parts.
PROTECT THE ENVIRONMENT
Please dispose of packaging materials,
old machine components such as
batteries, hazardous fluids including
antifreeze and oil, in an
environmentally safe way according to
local waste disposal regulations.
Always remember to recycle.
MACHINE DATA
Please fill out at time of installation for future reference.
Model No. --
Serial No. --
Machine Options --
Sales Rep. --
Sales Rep. phone no. --
Customer Number --
Installation Date --
Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: [phone] or (763) 513--2850
www.tennantco.com
Touch--N--Go, 1--STEP, Grip--N--Go, Dura--Track, Positive Drain Control, SmartRelease, Duramer, FaST--PAK, are US registered and unregisteredtrade-
marks of Tennant Company.
Specifications and parts are subject to change without notice.
Original Instructions, copyright E2010 TENNANT Company, Printed in U.S.A.

T16 Service Information (1-11) 3
CONTENTS
SafetyPrecautions ...........................1-1
GeneralInformation..........................2-1
ComponentLocator........................ 2-2
Electrical Schematic, Master . . . . . . . . . . . . . . . . 2-4
Electrical Schematic Symbols . . . . . . . . . . . 2-10
Operational Matrix . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Specications.............................2-14
Fastener Torque. . . . . . . . . . . . . . . . . . . . . . . . 2-14
General Machine Dimensions/
Capacities...........................2-15
General Machine Performance. . . . . . . . . . 2-15
PowerType............................2-16
Tires...................................2-16
FaST System (Option). . . . . . . . . . . . . . . . . . . 2-17
ec-H2O System (Option). . . . . . . . . . . . . . . . 2-17
Electrical Components . . . . . . . . . . . . . . . . . 2-17
Machine Dimensions. . . . . . . . . . . . . . . . . . . 2-19
Maintenance.................................3-1
MaintenanceChart......................... 3-2
Lubrication ................................ 3-4
SteeringChain.......................... 3-4
Rear Squeegee Casters . . . . . . . . . . . . . . . . . . 3-4
Steering Gear Chain. . . . . . . . . . . . . . . . . . . . . 3-4
Batteries................................... 3-5
Charging the Batteries
(O-Board Charger) . . . . . . . . . . . . . . . . . . 3-6
Charging the Batteries
(Onboard Charger) . . . . . . . . . . . . . . . . . . . 3-7
CircuitBreakers ............................ 3-8
ElectricMotors............................. 3-8
ScrubBrushes.............................. 3-9
Disk Brushes and Pads. . . . . . . . . . . . . . . . . . . 3-9
Replacing Disk Brushes
(orPadDrivers)....................... 3-9
Replacing Disk Scrub Pads. . . . . . . . . . . 3-10
Cylindrical Brushes . . . . . . . . . . . . . . . . . . . . . 3-11
Replacing Cylindrical Brushes. . . . . . . . 3-11
Checking Cylindrical Scrub
Brush Pattern . . . . . . . . . . . . . . . . . . . . . 3-12
Adjusting Cylindrical Brush Taper . . . . 3-15
Adjusting Cylindrical Brush
Pattern Width. . . . . . . . . . . . . . . . . . . . . 3-16
Side Brush (Option) . . . . . . . . . . . . . . . . . . . . . . . 3-17
Replacing the Side Brush . . . . . . . . . . . . . . . 3-17
Pre-SweepBrushes........................3-18
Replacing the Pre-Sweep Disk Brushes. . 3-18
Replacing the Pre-Sweep
Cylindrical Brush . . . . . . . . . . . . . . . . . . . . 3-19
Checking and Adjusting Pre-Sweep
Cylindrical Brush Pattern . . . . . . . . . . . . 3-20
Contents Page
FaST ..................................3-24
Replacing the FaST-Pak Carton. . . . . . . . . . 3-24
Cleaning the FaST Supply Hose
Connector..........................3-24
Replacing the FaST Injector Filters . . . . . . 3-24
ec-H2O Module Flush Procedure . . . . . . . . . . . 3-25
SqueegeeBlades..........................3-27
Replacing (or Rotating) the Rear
Squeegee Blades. . . . . . . . . . . . . . . . . . . . 3-27
Leveling the Rear Squeegee . . . . . . . . . . . 3-30
Adjusting the Rear Squeegee
Blade Deection . . . . . . . . . . . . . . . . . . . . 3-31
Replacing (or Rotating) the Side
Squeegee Blades. . . . . . . . . . . . . . . . . . . . 3-32
Replacing (or Rotating) the Side
Brush Squeegee Blade(s) (Option) . . . 3-33
SkirtsandSeals ...........................3-35
Pre-Sweep Side Skirts (Option) . . . . . . . . . 3-35
Pre-Sweep Recirculation Skirt (Option). . 3-35
Pre-Sweep Rear Skirt (Option) . . . . . . . . . . 3-35
BeltsandChains ..........................3-36
SteeringChain.........................3-36
Cylindrical Brush Drive Belts . . . . . . . . . . . . 3-36
Pre-Sweep Brush Drive Belt. . . . . . . . . . . . . 3-36
Tires ..................................3-36
Pushing, Towing, and Transporting
theMachine...........................3-37
Pushing or Towing the Machine . . . . . . . . 3-37
Transporting the Machine . . . . . . . . . . . . . . 3-37
MachineJacking..........................3-39
Storage Information. . . . . . . . . . . . . . . . . . . . . . . 3-39
Freeze Protection (Machines without
Optional ec-H2O System). . . . . . . . . . . . . . . 3-40
Preparing the Machine for Operation
(Machines without Optional
ec-H2OSystem)........................3-41
Freeze Protection (Machines with
Optional ec-H2O System). . . . . . . . . . . . . . . 3-42
Priming the ec-H2O System . . . . . . . . . . . . . . . 3-44
Troubleshooting .............................4-1
Onboard Diagnostics. . . . . . . . . . . . . . . . . . . . . . . 4-2
Self-TestMode.......................... 4-2
Conguration Mode. . . . . . . . . . . . . . . . . . . . . 4-4
LCDWarnings........................... 4-6
LCDFaults.............................. 4-7
Propel Diagnostic Mode. . . . . . . . . . . . . . . . . 4-9
Curtis 1234 Controller Diagnostics. . . . . . 4-11
Diagnostic LED Operation . . . . . . . . . . . 4-11
Diagnostic Codes . . . . . . . . . . . . . . . . . . . 4-12
Input Display Mode . . . . . . . . . . . . . . . . . . . . 4-20
ManualMode..........................4-22
Contents Page

CONTENTS
4T16 Service Information (1-11)
Battery Charger, Standard . . . . . . . . . . . . . . 4-24
Operation...........................4-24
Conguration.......................4-24
Faults...............................4-24
Battery Charger, Onboard Option. . . . . . . 4-25
Operation...........................4-25
Conguration, Lead-Acid/Gel . . . . . . . . 4-25
Faults...............................4-25
Subsystem Troubleshooting . . . . . . . . . . . . . . . 4-26
Back-Up Alarm/Light . . . . . . . . . . . . . . . . . . . 4-26
Electrical Schematic . . . . . . . . . . . . . . . . . 4-26
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-27
Battery Charging. . . . . . . . . . . . . . . . . . . . . . . 4-28
Electrical Schematic, Onboard . . . . . . . 4-28
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-29
Electrical Schematic, O Board. . . . . . . 4-30
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-31
Parking Brake, Electromagnetic. . . . . . . . . 4-32
Electrical Schematic . . . . . . . . . . . . . . . . . 4-32
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-33
Detergent Metering. . . . . . . . . . . . . . . . . . . . 4-34
Electrical Schematic . . . . . . . . . . . . . . . . . 4-34
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-35
ExtendedScrub........................4-36
Electrical Schematic . . . . . . . . . . . . . . . . . 4-36
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-37
Lighting...............................4-38
Electrical Schematic . . . . . . . . . . . . . . . . . 4-38
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-39
Main Scrub Brushes . . . . . . . . . . . . . . . . . . . . 4-40
Electrical Schematic . . . . . . . . . . . . . . . . . 4-40
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-41
Power-Up..............................4-42
Electrical Schematic . . . . . . . . . . . . . . . . . 4-42
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-43
Pre-Sweep Brushes. . . . . . . . . . . . . . . . . . . . . 4-44
Electrical Schematic . . . . . . . . . . . . . . . . . 4-44
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-45
Pre-SweepLift.........................4-46
Electrical Schematic, Down . . . . . . . . . . 4-46
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-47
Electrical Schematic, Up . . . . . . . . . . . . . 4-48
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-49
Propel.................................4-50
Electrical Schematic . . . . . . . . . . . . . . . . . 4-50
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-51
Rear Squeegee Lift . . . . . . . . . . . . . . . . . . . . . 4-52
Electrical Schematic . . . . . . . . . . . . . . . . . 4-52
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-53
Contents Page
Subsystem Troubleshooting, continued
ScrubHeadLift ........................4-54
Electrical Schematic . . . . . . . . . . . . . . . . . 4-54
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-55
SideBrush.............................4-56
Electrical Schematic . . . . . . . . . . . . . . . . . 4-56
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-57
SideBrushLift .........................4-58
Electrical Schematic, Down . . . . . . . . . . 4-58
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-59
Electrical Schematic, Up . . . . . . . . . . . . . 4-60
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-61
Solution Control, Conventional . . . . . . . . . 4-62
Electrical Schematic . . . . . . . . . . . . . . . . . 4-62
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-63
Solution Control, ecH2O. . . . . . . . . . . . . . . . 4-64
Electrical Schematic . . . . . . . . . . . . . . . . . 4-64
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-65
Solution Control, FaST. . . . . . . . . . . . . . . . . . 4-66
Electrical Schematic . . . . . . . . . . . . . . . . . 4-66
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-67
SprayNozzle...........................4-68
Electrical Schematic . . . . . . . . . . . . . . . . . 4-68
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-69
Vacuum Fan(s), Scrubbing . . . . . . . . . . . . . . 4-70
Electrical Schematic . . . . . . . . . . . . . . . . . 4-70
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-71
Vacuum Fan, Pre-Sweep . . . . . . . . . . . . . . . . 4-72
Electrical Schematic . . . . . . . . . . . . . . . . . 4-72
Troubleshooting . . . . . . . . . . . . . . . . . . . . 4-73
Service ..................................5-1
ServiceProcedures......................... 5-2
Rear Squeegee Lift Actuator . . . . . . . . . . . . . 5-2
Removal............................. 5-2
Installation........................... 5-3
Side Brush Lift Actuator . . . . . . . . . . . . . . . . . 5-6
Removal............................. 5-6
Installation........................... 5-7
Main Brush Lift Actuator. . . . . . . . . . . . . . . . . 5-8
Removal............................. 5-8
Installation........................... 5-8
MainScrubHead........................ 5-9
Removal............................. 5-9
Installation..........................5-10
Main Scrub Brush Motor (Cylindrical) . . . 5-11
Removal............................5-11
Installation..........................5-12
Carbon Brushes . . . . . . . . . . . . . . . . . . . . . 5-12
Contents Page

T16 Service Information (1-11) 5
CONTENTS
Service Procedures, continued
Side Brush Motor (Non Pre-Sweep) . . . . . 5-13
Removal............................5-13
Installation..........................5-14
Carbon Brushes . . . . . . . . . . . . . . . . . . . . . 5-14
Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . 5-15
Removal............................5-15
Installation..........................5-15
LogicBoard............................5-16
Removal............................5-16
Installation..........................5-17
Steering Cable Adjustment . . . . . . . . . . . . . 5-18
Steering Wheel Timing . . . . . . . . . . . . . . . . . 5-19
Wheel Drive Assembly . . . . . . . . . . . . . . . . . 5-20
Removal............................5-20
Installation..........................5-20
Tire Replacement . . . . . . . . . . . . . . . . . . . 5-20
Vacuum Fan Assembly (Scrubbing) . . . . . 5-22
Removal............................5-22
Installation..........................5-23
Component Testing . . . . . . . . . . . . . . . . . . . . . . . 5-24
Solution Tank Level Sensor . . . . . . . . . . . . . 5-24
Recovery Tank Level Sensor. . . . . . . . . . . . . 5-26
Parking Brake, Electromagnetic. . . . . . . . . 5-28
Propel Motor (and Encoder) . . . . . . . . . . . . 5-31
Propel Motor Cables . . . . . . . . . . . . . . . . . . . 5-33
Throttle/Brake Sensor . . . . . . . . . . . . . . . . . . 5-35
Pre-Sweep Lift Actuator . . . . . . . . . . . . . . . . 5-37
Side Brush Lift Actuator . . . . . . . . . . . . . . . . 5-38
Main Brush Lift Actuator. . . . . . . . . . . . . . . . 5-39
Rear Squeegee Lift Actuator . . . . . . . . . . . . 5-40
Vacuum Fan(s) (Scrubbing) . . . . . . . . . . . . . 5-41
Vacuum Fan (Pre-Sweep) . . . . . . . . . . . . . . . 5-42
Main Scrub Brush Motor(s) . . . . . . . . . . . . . 5-43
Main Sweep Broom Motor. . . . . . . . . . . . . . 5-44
Side Brush Motor (Non Pre-Sweep) . . . . . 5-45
Side Brush Motor (Pre-Sweep) . . . . . . . . . . 5-46
ec-H2OPump..........................5-47
Adjusting ec-H2O Flow Rate . . . . . . . . . 5-47
ec-H2O Pressure Switch . . . . . . . . . . . . . . . . 5-48
FaSTPump.............................5-49
ES (Extended Scrub) Pump . . . . . . . . . . . . . 5-50
Contents Page

CONTENTS
6T16 Service Information (1-11)

T16 Service Information 9008149 (1-11) 1-1
SAFETY PRECAUTIONS
The following precautions are used throughout
this manual as indicated in their description:
WARNING: To warn of hazards or
unsafe practices that could result in
severe personal injury or death.
CAUTION: To warn of unsafe practices
that could result in minor or moderate
personal injury.
FOR SAFETY: To identify actions that must be
followed for safe operation of equipment.
This machine is designed solely for scrubbing dirt
and dust in a well lit indoor environment. Tennant
does not recommend using this machine in any
other environment.
The following information signals potentially
dangerous conditions to the operator or
equipment. Read this manual carefully. Know
when these conditions can exist. Locate all safety
devices on the machine. Then, take necessary
steps to train machine operators. Report machine
damage or faulty operation immediately. Do not
use the machine if it is not in proper operating
condition.
WARNING: Batteries emit hydrogen gas.
Explosion or re can result. Keep
sparks and open ame away. Keep
covers open when charging.
WARNING: Flammable materials can
cause an explosion or re. Do not use
ammable materials in tank(s).
WARNING: Flammable materials or
reactive metals can cause an explosion
or re. Do not pick up.
FOR SAFETY:
1. Do not operate machine:
-- Unless trained and authorized.
-- Unless operation manual is read and
understood.
-- With brake disabled.
-- I t is not in proper operating
condition.
-- In ammable or explosive areas.
-- In areas with possible falling objects
unless equipped with overhead guard.
2. Before starting machine:
-- Make sure all safety devices are in
place and operate properly.
-- Check brakes and steering for proper
operation.
-- Adjust seat and fasten seat belt (if so
equipped).
3. When using machine:
-- Do not pick up burning or smoking
debris, such as cigarettes, matches or
hot ashes
-- Go slowly on inclines and slippery
surfaces.
-- Use care when backing machine.
-- Do not carry passengers on machine.
-- Follow mixing and handling
instructions on chemical containers.
-- Report machine damage or faulty
operation immediately.
4. Before leaving or servicing machine:
-- Stop on level surface.
-- Turn omachine and remove key.
5. When servicing machine:
-- Avoid moving parts. Do not wear loose
clothing or jewelry when working on
machine.
-- Block machine tires before jacking
machine up.
-- Jack machine up at designated
locations only. Block machine up with
jack stands.
-- Use hoist or jack that will support the
weight of the machine.
-- Wear eye and ear protection when
using pressurized air or water.
-- Disconnect battery connections before
working on machine.
-- Wear protective gloves and eye
protection when handling vinegar.
-- Avoid contact with battery acid.
-- Use Tennant supplied or equivalent
replacement parts.
6. When loading/unloading machine
onto/o truck or trailer.
-- Turn o machine.
-- Use truck or trailer that will support
the weight of the machine.
-- Use winch. Do not push the machine
onto/o the truck or trailer unless the
load height is 380 mm (15 in) or less
from the ground.
-- Block machine tires.
SAFETY PRECAUTIONS

1-2 T16 Service Information 9008149 (1-11)
SAFETY PRECAUTIONS
The safety labels appear on the machine in the
locations indicated. Replace damaged labels.
BATTERY CHARGING
LABEL -- LOCATED
ON SEAT PANEL.
FLAMMABLE SPILLS
LABEL -- LOCATED ON
UNDERSIDE OF
SOLUTION TANK COVER.
FOR SAFETY LABEL --
LOCATED ON CIRCUIT
BREAKER PANEL.
FLAMMABLE MATERIALS
LABEL -- LOCATED ON
UNDERSIDE OF
RECOVERY TANK COVER
AND ON CIRCUIT
BREAKER PANEL.

General Information........................... 2-1
ComponentLocator........................ 2-2
Electrical Schematic, Master . . . . . . . . . . . . . . . . 2-4
Electrical Schematic Symbols . . . . . . . . . . . 2-10
Operational Matrix . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Specications.............................2-14
Fastener Torque. . . . . . . . . . . . . . . . . . . . . . . . 2-14
General Machine Dimensions/
Capacities...........................2-15
General Machine Performance. . . . . . . . . . 2-15
PowerType............................2-16
Tires...................................2-16
FaST System (Option). . . . . . . . . . . . . . . . . . . 2-17
ec-H2O System (Option). . . . . . . . . . . . . . . . 2-17
Electrical Components . . . . . . . . . . . . . . . . . 2-17
Machine Dimensions. . . . . . . . . . . . . . . . . . . 2-19
GENERAL INFORMATION
SECTION 2
Contents Page
2-1
T16 Service Information 9008149 (1-11)

2-2 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
COMPONENT LOCATOR
A
B
C
D
E
F
G
H
I
J
K
LM
N
O
P
Q
R
Components
AFaST, ec-H2O System Components*
BOnboard Battery Charger*
CFaST, ec-H2O, Side Brush, ES, Spray
Nozzle Pumps*
DM1 and M2* Contactors,
Diodes (D-1, D-4, D-5*)
EFU-1 and FU-2 Fuses
FWheel Drive Assembly (Motor,
Encoder, Temp Sender
GLogic Board
HDetergent Metering Tank*
ICircuit Breakers (1-10)
JSolution Tank
KVacuum Fan Housing
LRear Squeegee Lift Actuator
MDetergent Metering Pump*
NSide Brush Motor*
OThrottle/Brake Sensor
PCurtis 1234 Controller
QCircuit Breakers (11-19)
RRecovery Tank
* Optional Equipment

T16 Service Information 9008149 (1-11) 2-3
GENERAL INFORMATION
COMPONENT LOCATOR, continued
S
T
U
Y
X
W
V
Z
AA
BB
CC
DD
EE
Components
SDiodes (D-6 and D-9)*
TM3 and M4 Pre-Sweep Contactors*
URH Side Brush Motor*
VPre-Sweep Main Broom Motor*
WLH Side Brush Motor*
XPre-Sweep Vacuum Fan*
YPre-Sweep Lift Actuator*
ZDiodes (D-2, D-3, D-10*)
AA Side Brush Lift Actuator*
BB Main Brush Lift Actuator
CC Conventional Water Valve
DD Solution Tank Level Sensor
EE Main Brush Motors
* Optional Equipment

2-4 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
MTR1
1/RED
21/PNK
20/TAN
RED #1
19/WHT
RED #2
5/GRN
4/YEL
6/BLU
10/TAN
13/BLK
13/BLK
13/BLK13/BLK
8/GRY
RED
8/GRY
BLK YEL BLU
8/GRY
BLK #2
18/GRY 18/GRY
58/GRY
2/BRN
1/RED 3/ORA
16/BLU 14/YEL 8/GRY
GND POST - CURTIS 1234
CABLE FU-2 - CONTROL BD.
CABLE: BAT.- BAT. CONNECTOR
7/PUR
BUSS BAR
15/GRN
W/WHT U/ORA V/GRN
17/PUR
2/BRN
66/BLU
61/PNK
59/WHT
12/BRN
62/BRN
17/PUR
17/PUR
RED #2 BLK #1 BLK #2 RED #1
CABLE, BAT - GND POST GROUND = 13/BLK
58/GRY
YRG/8YRG/8
8/GRY
94/YEL 11/PNK
9/WHT
CABLE, FU-1 - CURTIS
84/YEL 83/ORA 82/BRN 58/GRY 58/GRY
2/BRN
102/BRN
SHIELD BLK #1
RED
CABLE, BAT.- M1
BLK
87/PUR
13
17
15
58
58
2
102
2
17
87
36VDC BATTERIES
CAN BUS
AMER ENCODER
CAN BUS
CABLE 8: BATTERY TO BATTERY (QTY 5)
TO: GROUND POSTTO: BATTERY B+ AT M1.
TO: OPTIONAL BACK UP LIGHT
B1 B2SV1
PROPEL MOTOR
HARNESS
OPT. ON BOARD CHARGER
W
U
V
B2
T2T1
B1
A+
W1
A-
AC PROPEL MOTOR
PIN OUT
(FACING MOTOR)
AC PROPEL MOTOR
(INCLUDES ENCODER,
TEMP SENDER AND BRAKE SOL.)
GND POST STAND OFF
SEAT SWITCH HARNESS
AC PLUG
SWITCHED B+
SWITCHED B+
NOT USED
STD: CHARGER CABLE
SWITCH OPENS IF
CHARGER PLUGGED IN.
TO GROUND.
13
TO: OPT. ON BOARD BATTERY CHARGER
YEL
YEL
TO: OPTIONAL BACK UP ALARM
5
D-4
4
B+
B+
J3-1
CAN_+12V
J2-1
CAN_+
J2-2
CAN_GND
J2-4
CAN_-
J2-3
B+_CONTROL
J7-1
CAN_OPEN+
J6-13
CAN_OPEN-
J6-14 J7-20
CONN11A
1
STIGN
BATT
START ACC
X
XX
X
S1
75 15 50
30
S16
SENDER, TEMP
T2
T1
FU-2
100A
FU-2
100A
3
6 VDC
+ --
CONN7A
A
FU-1
100A
4
6 VDC
+ --
6
6 VDC
+ --
7
CONN11B
2
MAIN CONTACTOR
+
-
M1A
+
-
PROGRAMMING PORT
GND
2
B+
4
RX
1
TX
3
8
S-4A
ON
OFF
FWD/REV SW.
8
6
4 1 5
2
BLU
BLK
WHT
RED
2
THROTTLE SENSOR
BRAKE
P1-C
THROTTLE
P1-B
B+
P1-A
GND
P1-D
5
S-5
SEAT SWITCH
EM BRAKE
CB1
2.5A
S-3
MEMBRANE TOUCH PANEL
P1-1 P1-2 P1-3 P1-4
CB2
2.5A
CB2
2.5A
1
6
3
1
4 8
D-2D-2
6 VDC
+ --
CURTIS 1234 CONTROLLER
KSI
J1-1
DRV2
J1-5
DRV1
J1-6
INTERLOCK
J1-9
I/O GND
J1-7
36VDC
J1-13
BRAKE IN
J1-11
THROTTLE
J1-16
CAN TERM H
J1-21
FWD
J1-22
CAN H
J1-23
+5V
J1-26
PHASE A
J1-31
PHASE B
J1-32
REV
J1-33
CAN TERM L
J1-34
CAN L
J1-35
U
U
V
V
W
W
B+
B+
GND
GND
THERMISTOR
J1-8
DRV3
J1-4
DRV4
J1-3
PROG+
J1-25
TX
J1-28
RX
J1-29
2
3
12
CONN8B
B
2
6
7
1
4
6 VDC
+ --
3
M1B
MAIN
5
S-2
E-STOP SWITCH
CONN7B
B
6 VDC
+ --
2 1
D-3
CHG-1
OPT: ON BOARD CHARGER
P1-C
2
GND
P1-B
B+
P1-A
P1-D
1
D-1
5
6
AC PROPEL MOTOR
MTR9
CONN8A
A
CHARGER
INTERLOCK
A
B
C
D
E
ELECTRICAL SCHEMATIC (1 of 6)

T16 Service Information 9008149 (1-11) 2-5
GENERAL INFORMATION
ELECTRICAL SCHEMATIC (2 of 6)
MTR3 MTR2 MTR5 MTR1 MTR6 MTR4
21/PNK 22/BRN
RED #1 RED #2
31/PNK 32/BRN
113/BLK-WHT50/TAN
51/PNK 113/BLK-WHT
6/BLU 13/BLK13/BLK13/BLK
8/GRY
8/GRY
BLK #2
49/WHT
27/PUR 29/WHT 28/GRY 30/TAN 40/TAN
2/BRN
2/BRN
23/ORA 24/YEL 25/GRN 26/BLU 34/YEL 36/BLU 42/BRN39/WHT
38/GRY
37/PUR37/PUR
38/GRY
41/PNK
39/WHT 39/WHT
THW/93THW/93
55/GRN 13/BLK
113/BLK-WHT113/BLK-WHT
65/GRN 56/BLU 57/PUR
CABLE FU-2 - CONTROL BD.
CABLE GND - CONTROL BD.
7/PUR
37/PUR
RED #2 BLK #1 BLK #2 RED #1
35/GRN 33/ORA
SHIELD BLK #1
49/WHT
113/BLK-WHT53/ORA
38
54 56 57
2
CAN BUS
CAN BUS
SV2
TO: OPT. SWEEP VAC RELAY
DIGITAL GROUND
TO: PRESWEEP ENABLE
TO: EC-H2O RED DIAG.
TO: EC-H2O GRN DIAG.
OPT. PRESWEEP HARNESS
INSTR. PANEL HARNESS
SWITCH CLOSED WHEN H20 SENSED
OUTPUT = GND/LOW WHEN H20 SENSED
CLOSED / GROUND = SIDE BRUSH ENABLED. +36V = PRESWEEP ENABLED
SQGE UP/DN ACTUATOR
SIDE BRUSH UP/DN ACTUATOR
CYL=USE ADAPTOR #1059170 AT FRONT BRUSH MOTOR
2 @ B+ = EXTEND = LIFT 1 @ B+ = RETRACT = LOWER
D-4
QUANTUM CONTROL BOARD
B+
B+
GND
GND
BRUSH_RT-
J3-2
BRUSH_LT-
J3-6
BRUSH_RT+
J3-1
BRUSH_LT+
J3-5
VAC_1+
J4-1
VAC_1-
J4-2
VAC_2+
J4-3
VAC_2-
J4-4
SCB_ACT_2
J5-1
SCB_ACT_1
J5-2
SQGE_ACT_1
J5-6
SQGE_ACT_2
J5-5
SIDE_ACT_1
J5-4
SIDE_ACT_2
J5-3
SD.BRUSH+
J3-3
GND_DIGITAL
J6-11
OUTPUT_SPARE1
J7-15
SWEEP
J7-4
MAIN H2O
J7-5
HORN
J7-6
FLYBACK2
J7-8
REC FULL
J6-4
REC 1/2 FULL
J6-5
SOL LEVEL
J6-3
SIDE BRUSH
J6-6
SD.BRUSH-
J3-4
ECHO GRN
J6-8
CAN_+12V
J2-1
CAN_+
J2-2
CAN_GND
J2-4
CAN_-
J2-3
B+_CONTROL
J7-1
SWEEP EN.
J6-10
+5VDC
J6-2
CAN_OPEN+
J6-13
CAN_OPEN-
J6-14
+12VDC
J7-20
AUDIBLE ALARM
J7-7
FLYBACK1
J7-2
OUTPUT_SPARE3
J7-16
OUTPUT_SPARE2
J7-3
ECHO RED
J6-7
CAN GND1
J6-12
CAN GND2
J6-17
CONN11A
1
ACC
X
XX
75 15
LEFT/FRONT BRUSH MOTOR
2 1
CONN11B
2
MAIN CONTACTOR
+
-
M1A
+
-
S-3
MEMBRANE TOUCH PANEL
P1-1 P1-2 P1-3 P1-4
CB3
2.5A
CONN4E
5
SIDE BRUSH MOTOR
2 1
EXTEND LIMIT SW.
RETRACT LIMIT
BLACK
RED
BLACK
RED
MTR 8
1 2
N.O.S-6
REC. TANK FULL
A B
CB4
2.5A
CONN3ECONN3E
M4A
OPT. SWEEP BRUSH RELAY
8586
ALARM-1
AUDIBLE ALARM
P1-1 P2-1
VAC FAN #2
2 1
EXTEND LIMIT SW.
RETRACT LIMIT
BLACK
RED
BLACK
RED
MTR 7
1 2
S-2
E-STOP SWITCH
CONN4F
6
RIGHT/REAR BRUSH MOTOR
2 1
HORN-1
HORN
P1-1 P2-1
SCRUB UP/DOWN
2 1
GND
B+
OUT
S-8
SOL. TANK PRESS.SENSOR
B
C A
S-9A
ON
OFF
SIDE BRUSH SW.
8
6
4 1 5
2
VAC FAN #1
2 1
CONN3FCONN3F
C N.O.
B+
S-7
REC. TANK 1/2 FULL
A B C
CHARGER
INTERLOCK
A
B
C
D
E
F
G
QUANTUM
CONTROL
BOARD

2-6 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
ELECTRICAL SCHEMATIC (3 of 6)
145/GRN
2/BRN
145/GRN
46/BLU 46/BLU
47/PUR
47/PUR 40/TAN
LEY/44LEY/44
44/YEL
ULB/64ULB/642/BRN
2/BRN 2/BRN
43/ORA
39/WHT 43/ORA
46/BLU 48/GRY
42/BRN39/WHT
38/GRY
37/PUR37/PUR
38/GRY
41/PNK
39/WHT 39/WHT
THW/93THW/93
13/BLK
56/BLU 57/PUR
37/PUR
35/GRN
45
2
13
43 38
56 57
OPT. ECH2O SIDE BRUSH
SWITCHED B+
GROUND
OPT. ECH2O ENABLE
SV4 SV3
SV2
TO: OPT. SWEEP VAC RELAY
TO: EC-H2O RED DIAG.
TO: EC-H2O GRN DIAG.
OPT. PRESWEEP HARNESS
QUANTUM CONTROL BOARD
SQGE_ACT_2
J5-5
CAN_J1939-
J6-16
CAN_J1939+
J6-15
INPUT_UNUSED1
J6-1
FAST/ECHO SIDEBRUSH
J7-9
OUTPUT_SPARE1
J7-15
SWEEP
J7-4
MAIN H2O
J7-5
HORN
J7-6
FLYBACK2
J7-8
SIDE SOLUTION
J7-14
ES/FAST/ ECHO RELAY
J7-10
ECHO GRN
J6-8
ECHO SIDE FLOW/DET MET.
J7-12
AUDIBLE ALARM
J7-7
FLYBACK1
J7-2
FLYBACK3
J7-11
FLYBACK4
J7-13
OUTPUT_SPARE3
J7-16
OUTPUT_SPARE2
J7-3
ECHO RED
J6-7
INPUT_UNUSED2
J6-18
CAN GND1
J6-12
CAN GND2
J6-17
OPEN1
J6-9
MTR10
OPT. DET. METERING PUMP
A B
OPT. SIDE WATER METERING PUMP
MTR11
A B
CB3
2.5A
CONN4E
5
RETRACT LIMIT
BLACKBLACK
MTR19
2
CB4
2.5A
OPT. SIDE WATER VALVE
CONN3ECONN3E
M4A
OPT. SWEEP BRUSH RELAY
8586
M2A OPT. ES/FAST RELAY
8586
ALARM-1
AUDIBLE ALARM
P1-1 P2-1
CONN4F
6
CB5
2.5A
CB6
2.5A
OPT. FAST/ECHO SIDE BRUSH VALVE
MAIN SCRUB WATER VALVE
HORN-1
HORN
P1-1 P2-1
OFF
SIDE BRUSH SW.
4 1
2
CONN3FCONN3F
F
G
QUANTUM
CONTROL
BOARD

T16 Service Information 9008149 (1-11) 2-7
GENERAL INFORMATION
ELECTRICAL SCHEMATIC (4 of 6)
13/BLK 13/BLK13/BLK 13/BLK13/BLK
13
GROUND
GROUND
CONN13C
3
CONN14D
4
CONN13D
4
CONN14C
3
13/BLK 13/BLK67/PUR
67/PUR 13/BLK
13/BLK67/PUR
67/PUR
13/BLK 13/BLK81/PNK
81/PNK
D-6
OPT. PRESWEEP DUST VAC FAN
MTR14
MTR16
LEFT PRESWEEP BRUSH MOTOR
MTR15
RIGHT PRESWEEP BRUSH MOTOR
D-9
MTR17
MAIN PRESWEEP BRUSH MOTOR
72/BRN 72/BRN 64/YEL 64/YEL
CONN13B
2
CONN14A
1
CB19
25A
CONN13A
1
30 87
M3B
30 87
CONN14B
2
2/BRN 60/TAN 2/BRN
63/ORA 63/ORA
102/BRN
2
102
SWITCHED B+
SWITCHED B+
M2B
30 87
CB8
20A
CB7
15A
13/BLK 13/BLK
D-5
OPT. FAST/ES PUMP
MTR12
OPT. PRESWEEP HARNESS
65/GRN
65
TO: SWEEP ENABLE INPUT (B+ = SWEEP ENABLED ON.)
SW-10
SWEEP OFF/DN. = 2-1, 6-5 SWEEP ON/CENTER = 2-3, 6-7 VAC & SWEEP ON/UP = 3-4, 7-8
CONN3H
CONN3A
1
CONN4A
1
65/GRN69/WHT 70/TAN
69/WHT 69/WHT
70/TAN
70/TAN 38/GRY
105/GRN 105/GRN
38
TO: SWEEP OUTPUT (GND. = SWEEP ON.)
HOPPER STATIC GND
CONN4D
D-12
M3A
OPT. SWEEP VAC FAN RELAY
85 86
CONN3D
PRESWEEP BRUSH LIFT ACTUATOR
CHASSIS GND
D-7
D-11
102/BRN
68/GRY 68/GRY
13/BLK 13/BLK 71/PNK
71/PNK 65/GRN 69/WHT
76/BLU
76
TO: LIGHT SWITCH
CB16
15A
CONN4B
2
PRESWEEP SWITCH
12
4
3 56 78
CONN3G
7
CONN3C
3
CONN4G
7
CONN4C
3
CONN3B
2
13/BLK74/YEL
13/BLK 13/BLK 13/BLK
13/BLK
SPRAY NOZZLE SWITCH
D-10
13/BLK
8 8
CONN4H
65/GRN 71/PNK
76/BLU 76/BLU
OPT. PRESWEEP HARNESS
PRESWEEP RIGHT HEADLIGHT (LED)
LT7
MTR18
PRESWEEP LEFT HEADLIGHT (LED)
LT6
74/YEL
102/BRN 73/ORA 74/YEL
CB14
15A
1
24
5
MTR19
4 4
1 2
EXTEND LIMIT SW.
RETRACT LIMIT
BLACK
RED
BLACK
RED
H
I

2-8 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
ELECTRICAL SCHEMATIC (5 of 6)
76/BLU
76
TO: LIGHT SWITCH
13/BLK74/YEL
13/BLK 13/BLK
13/BLK
SPRAY NOZZLE SWITCH
D-10
76/BLU
OPT. PRESWEEP HARNESS
PRESWEEP RIGHT HEADLIGHT (LED)
74/YEL
13/BLK13/BLK
102/BRN 73/ORA 74/YEL
CB14
15A
S-12
1
24
5
68
910
SPRAY NOZZLE PUMP
MTR19
75/GRN102/BRN 75/GRN
75/GRN
LIGHTS OFF/DN = 2-1, 6-5 HEADLIGHT ON/CENTER = 2-3, 6-7 HEAD & WARN ON/UP = 3-4, 7-8
CB11
15A
77/PUR 78/GRY 77/PUR
S-13
12
4
3 56 78
CB15
2.5A
CB12
2.5A
CB13
2.5A
LIGHT SWITCH
13/BLK
76/BLU 76/BLU
13/BLK
76/BLU
92/BRN
93/ORA 13/BLK
76
TO: OPT. SWEEP HARNESS
CONN9C
3 6
CONN10C
3
CONN16B
2
CONN15B
2
LT2
CENTER HEADLIGHT (LED)
LT1
CONN16A
1
CONN9F
6
RED TAILLIGHT (LED)
OHG FLASH/STROBE LIGHT
LT4
CONN15A
1
CONN10F
13/BLK92/BRN
CONN9D
4
CONN10D
4
FLASH/STROBE LIGHT
LT3
90/TAN
17/PUR
NAT/09NAT/09
17/PUR
17
+36VDC FROM CONTROLLER
CONN9A
1
CONN10A
1
CB20
2.5A
15/GRN
15/GRN
13/BLK
87/PUR 87/PUR
15 87
OPT. LIGHT / ALARM HARNESS
NOT USED
LOW = ALARM
LOW = BK. UP LIGHT
CONN10E
5
CONN6G
7
CONN5G
ALARM-2
REVERSE ALARM
P1-1 P2-1
CONN9B
2
WHT, BACK UP LIGHT (LED)
CONN10B
2
LT5
CONN6H
8
CONN9E
5
CONN5H
8
43/ORA
43/ORA
145/GRN
145/GRN
43
145
EC-H2O ENABLE LOW = TURN ON EC-H2O
EC-H2O SIDE BRUSH LOW = SIDE BRUSH EC-H2O ON. EC-H2O PUMP ON 100%.
CONN6C
3
CONN5F
6
CONN6F
6
CONN5C
3
2/BRN
2
SWITCHED B+
79/WHT 79/WHT
79/WHT
145/GRN
CONN5A
1
CB9
2.5A
CONN6A
1 10
11
(mode)
ENABLE
VCC_A
4
7
H
I
J
13/BLK

T16 Service Information 9008149 (1-11) 2-9
GENERAL INFORMATION
ELECTRICAL SCHEMATIC (6 of 6)
13/BLK
OPT. LIGHT / ALARM HARNESS
LIGHT
CONN9B
WHT, BACK UP LIGHT (LED)
CONN10B
CONN6H
8
CONN5H
88
43/ORA
43/ORA
145/GRN
145/GRN
43
145
EC-H2O ENABLE LOW = TURN ON EC-H2O
EC-H2O SIDE BRUSH LOW = SIDE BRUSH EC-H2O ON. EC-H2O PUMP ON 100%.
CONN6C
3
CONN5F
6
CONN6F
6
CONN5C
3
2/BRN
2
SWITCHED B+
P1-1
2/BRN 45/GRN80/TAN
79/WHT 79/WHT 79/WHT
79/WHT
80/TAN 45/GRN 80/TAN 45/GRN
145/GRN
145/GRN
(A) (B)
(CAT.) (ANO.)
+ -
EC-H2O SOLUTION PUMP
R1
11 OHM/40W
P2-1
C1
CAPACITOR
CONN5A
1
CB10
2.5A
CB9
2.5A
CONN6A
1
8
10 11 12
CONN5B
2
CONN6B
8EA/GRY 7EA/PUR 3EA/ORA 4EA/YEL 6EA/BLU 5EA/GRN
(ECHO sparger)
(ECHO valve) (ECHO cell)
ECH20 MODULE
1 2 3
6-1 6-2 6-3 6-6 6-5 6-7
MTR20
D-8
(mode)
ECHO MODULE
LED GND LED GRN LED RED
ENABLE
GND_A GND_B ALARM
PUMP
PRESS IN
VCC_A VCC_B VCC_C (SOLA) (SOLB) (SPAA) (SPAB) (CELLA) (CELLB)
(ECHO SW) (ECHO SW)
13/BLK 13/BLK
13/BLK 88/GRY 13/BLK 13EA/BLK 9EA/WHT (ECHO flush sw)
S-15
4
5 6 7 9 6-4 6-8
COM NC
NO
SW-14
PRESS NC, OPENS @ 25PSI +/-2PSI
57/PUR57/PUR
56/BLU 56/BLU
57 56
SOLID GREEN = ECHO MODULE ON & SCRUBBING SOLID RED = OVER CURRENT OF
FLASHING RED = PRESSURE SWITCH CLOSED "E-CELL IS SCALED UP"
TO CONTROL BOARD EC-H2O INPUTS
CONN6D
4
CONN6E
5
CONN5E
5
CONN5D
4
OPT. EC-H2O HARNESS
SOLUTION PUMP OR SPARGER
J

2-10 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
ELECTRICAL SCHEMATIC SYMBOLS
+ -
IGN ST
+-
Key Switch
Battery
DPDT Switch
Pressure Switch
Motor
3 Phase AC
Induction Motor
Motor Encoder
Momenary Switch N.O.
Contact Switch N.C.
Solenoid Valve
Sensor
(Variable Resistor)
Circuit Breaker
Fuse
Diode
Single Continuation Tab
Double Continuation Tab
Relay Coil
N.C. Relay Contacts
N.O. Relay Contacts
Horn or Alarm
Light
Connected
Not Connected
Connector
Energized
Adaptor Harness
Notes
Assembly
AC Plug
Capacitor

T16 Service Information 9008149 (1-11) 2-11
GENERAL INFORMATION
OPERATIONAL MATRIX
FUNCTION ENABLED
T16 OPERATIONAL MATRIX
DISABLED
Vacuum Fan(s), Scrubbing • 1-STEP Scrub ON
• Squeegee/Vacuum ON
• 1-STEP Scrub OFF
• Squeegee/Vacuum OFF
• Recovery Tank Full
• Very Low Battery Voltage
• Load Current Fault
Rear Squeegee Down • 1-STEP Scrub ON
• Squeegee/Vacuum ON
• 1-STEP Scrub OFF
• Squeegee/Vacuum OFF
• Reverse Propel
• Recovery Tank Full
• Very Low Battery Voltage
• Load Current Fault
Rear Squeegee Up • 1-STEP Scrub ON
• Squeegee/Vacuum ON
• 1-STEP Scrub OFF
• Squeegee/Vacuum OFF
• Reverse Propel
• Recovery Tank Full
• Very Low Battery Voltage
• Load Current Fault
Main Scrub Brushes • 1-STEP Scrub ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Scrub Head Down • 1-STEP Scrub ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Scrub Head Up • 1-STEP Scrub ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Side Brush Extend/Down
(Non Pre-Sweep)
• 1-STEP Scrub ON
• Side Brush Switch ON
• 1-STEP Scrub OFF
• Side Brush Switch OFF
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
MOM001

2-12 T16 Service Information 9008149 (1-11)
GENERAL INFORMATION
OPERATIONAL MATRIX, continued
FUNCTION ENABLED
T16 OPERATIONAL MATRIX, continued
DISABLED
Solution Control
(FaST)
• 1-STEP Scrub ON
• Solution Control ON
• FaST Button ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Solution Control OFF
• FaST Button OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Solution Control
(ecH2O)
• 1-STEP Scrub ON
• Solution Control ON
• ecH2O Button ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Solution Control OFF
• ecH2O Button OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• ecH2O System Fault
• Load Current Fault
Extended Scrub • 1-STEP Scrub ON
• Solution Control ON
• ES Button ON
• Recovery Tank 1/2 Full
• 1-STEP Scrub OFF
• Solution Control OFF
• ES Button OFF
• Recovery Tank Full
• Solution Tank Full
• Very Low Battery Voltage
• Load Current Fault
MOM002
Solution Control
(Conventional)
• 1-STEP Scrub ON
• Solution Control ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Solution Control OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Side Brush Retract/Up
(Non Pre-Sweep)
• 1-STEP Scrub ON
• Side Brush Switch ON
• 1-STEP Scrub OFF
• Side Brush Switch OFF
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault
Side Brush
(Non Pre-Sweep)
• 1-STEP Scrub ON
• Side Brush Switch ON
• Fwd/Rev Throttle Command
• 1-STEP Scrub OFF
• Side Brush Switch OFF
• Neutral - Ready State
• Recovery Tank Full
• Solution Tank Empty
• Very Low Battery Voltage
• Load Current Fault