Tennant t500 Operating and installation instructions

T500
(Battery)
Automatic Floor Scrubber
Service Information Manual
9015504
Rev. 01 (1-2018)
*9015504*
North America / International
For the latest Parts Manuals and other
language Operator Manuals, visit:
www.tennantco.com/manuals
Hygenic®Fully Cleanable Recovery Tank
Tennant True®Parts
IRIS®a Tennant Technology
Pro-Panel™ Controls
Insta-Fit™ Adapter
Smart-Fill™Automatic Battery Watering

INTRODUCTION
This manual is available for each new model. It provides
necessary operation and maintenance 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:
• The machine is operated with reasonable care.
• The machine is maintained regularly - per the
maintenance instructions provided.
• The machine is maintained with manufacturer supplied or
equivalent parts.
To view, print or download manuals online visit
www.tennantco.com/manuals
PROTECT THE ENVIRONMENT
Please dispose of packaging materials
and used machine components such as
batteries in an environmentally safe way
according to your local waste disposal
regulations.
Always remember to recycle.
Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: [phone]
www.tennantco.com
1-STEP, Pro-Membrane, Severe Environment, Zone Settings, and Quiet-
Mode are trademarks of Tennant Company.
Trojan® and HydroLINK® are registered trademarks of Trojan Battery
Company.
Windows 7® is a registered trademark of the Microsoft Corporation.
This product may contain portions of software that have various 3rd party
licenses. More information can be found at:
www.tennantco.com/opensource
Specifications and parts are subject to change without notice.
Original Instructions, copyright 2017 TENNANT Company.
INTENDED USE
The T500 walk-behind floor scrubber is intended for
commercial use, for example in hotels, schools, hospitals,
factories, shops, offices and rental businesses. It is
designed to scrub hard floor surfaces (concrete, tile, stone,
synthetic, etc.) in an indoor environment. This machine is
not intended for cleaning carpets or sanding wood floors.
Use only recommended pads/brushes and commercially
available floor cleaning detergents. Do not use this
machine other than described in the Operator Manual.
MACHINE DATA
Please fill out at time of installation for future reference.
Model No. -
Serial No. -
Installation Date -
MACHINE SERIAL NUMBER LOCATION
UNCRATING MACHINE
Carefully check machine for signs of damage. Report
damages at once to carrier. Contact distributor or Tennant
for missing items.
To uncrate the machine, remove straps, wheel blocks and
shipping brackets. Using the supplied ramp carefully back
the machine off the pallet. Make sure scrub head is in the
raised position.
ATTENTION: Do not remove machine from pallet
without using ramp, machine damage may occur.

3
T500 9015504 01-2018
CONTENTS
CONTENTS
Contents................................................................3
Important Safety Instructions -
Save These Instructions........................................6
For Safety: .................................................6
Safety Labels - North America........................8
Safety Labels - Eu / Intl...................................9
General Information.............................................10
Machine Components...................................10
Scrub Head Types....................................11
Electrical Schematics....................................12
Schematic Symbols..................................12
Operational Matrix.........................................15
Fastener Torque............................................16
Sae (Standard).........................................16
Metric .......................................................16
General Machine Dimensions/Capacities/
Performance (North America / Intl).........17
General Machine Dimensions/Capacities/
Performance - North America Continued18
General Machine Dimensions/Capacities/
Performance (Eu)...................................19
General Machine Dimensions/Capacities/
Performance - Eu Continued..................20
Machine Dimensions.....................................21
Dual Disk Model.......................................21
Maintenance........................................................24
Maintenance Chart..............................................24
Machine Maintenance...................................25
Yellow Touch Points .................................25
After Daily Use.........................................25
After Weekly Use .....................................28
After Every 50 Hours Of Use....................28
After Every 100 Hours Of Use..................29
Electric Motors .........................................29
Belts (Cylindrical Brush Model)................29
Batteries........................................................30
Maintenance-Free Batteries.....................30
Flooded (Wet) Lead-Acid Batteries..........30
Checking Connections / Cleaning............30
Charging Batteries ...................................31
Battery Charger Settings..........................32
Changing On-Board Battery Charger
Settings (Pro-Membrane Model).........33
Changing On-Board Battery Charger
Settings (Pro-Panel Model).................34
Hydrolink® Battery Watering System
(Trojan® Battery Option).....................35
Manaual Hand Pump Batery Watering
System (Tab Batter Option).................36
Automatic Battery Watering System.........37
Squeegee Blade Replacement.....................38
Ec-H2o Water Conditioning Cartridge
Replacement ..........................................39
Machine Jacking...........................................40
Transporting Machine ...................................40
Storing Machine............................................41
Freeze Protection.....................................41
Faults And Warnings.....................................43
Scrubber Display Faults...........................51
Ec-H2o Nanoclean Icon Faults ................52
Off-Board Charger ErrorAnd Fault
Codes..................................................54
Onboard Battery Charging On .................56
Batteries Fail To Charge / Reduced
Run Time (Onboard Charger)..............57
Off Board Battery Charging On................58
Batteries Fail To Charge / Reduced
Run Time (Off Board Charger)............59
Power Up On............................................60
Machine Failed To Power Up...................61
Propel Subsystem....................................62
Machine Failed To Propel.........................63
Scrub Motor On........................................64
Scrub Motor Failed To Turn On................65
Scrub Head Lift Actuator..........................66
Scrub Head Failed To Lift / Lower............67
Vacuum Fan On.......................................68
Vacuum Fan Failed To Turn On................69
Solution Control On (Conventional) .........70
Solution Control Failed To Turn On
(Conventional).....................................71
Solution Control On (Ec-H2o) ..................72
Solution Control Failed To Turn On
(Ec-H2o)..............................................73
Se (Severe Environment) On...................74
Se (Severe Environment) Failed To
Turn On ...............................................75
Spray Pump (Option) ...............................76
Spray Pump Failed To Turn On................77
Abw (Automatic Battery Watering)
(Option) ...............................................78
Abw (Automatic Battery Watering)
System Failed To Turn On...................79
I-Drive Testing (Universal Schematic)......80
I-Drive Testing Procedure.........................81
Displaying Fault Codes / Warnings
(Pro-Panel Machines Only).................82

4T500 9015504 01-2018
CONTENTS
Entering The Manual Mode (Membrane
Panel Machines Only).........................83
Entering The Manual Mode (Pro-Panel
Machines Only) ...................................84
Service Diagnostics Tool...............................87
Programming A New Interface Module.....87
Reconfiguring Existing Modules...............90
Programming The Drive Module..............92
Reconfiguring The MachineAfter New
Hardware / Option Installation.............94
Changing The Off-Board Battery Charger
Settings...................................................96
Cleaning Systems.........................................97
Remove / Install The Transaxle
Assembly.............................................97
Removing / Installing The Drive Motor
Carbon Brushes ..................................99
Remove / Install The Cylindrical Scrub
Head Assembly .................................100
Checking / Adjusting The Cylindrical
Scrub Brush Pattern..........................102
Removing / Installing The Cylindrical
Scrub Head Motor Carbon Brushes..104
Remove / Install The Disk Scrub Head
Assembly...........................................105
Removing / Installing The Disk Scrub
Head Motor Carbon Brushes.............107
Remove / Install The Orbital Scrub
Head Assembly .................................108
Removing / Installing The Orbital
Scrub Head Motor Carbon Brushes..110
Remove / Install The Lower Orbital
Head Isolators...................................112
Removing / Installing The Vacuum Fan..114
Removing / Replacing The Vacuum Fan
Carbon Brushes ................................115
Installing Carbon Brushes......................116
Removing / Installing The Water
Solenoid Valve...................................118
Connecting Hoses To Ptc
(Push-To-Connect) Fittings................120
Disconnect Hoses From Ptc
(Push-To-Connect) Fittings................121
Control Modules..........................................122
Removing / Installing The Control
Module...............................................122
Removing / Installing The Drive
Module...............................................124
Removing / Installing The Interface
Module...............................................126
Removing / Installing The Bail Switch,
Speed Potentiometer, Or Directional
Switch................................................128
Removing / Installing The On-Board
Battery Charger.................................132
Options........................................................134
Abw (Automatic Battery Watering)
System Maintenance.........................134
Trojan® Battery Option ..........................134
TAB Battery Option ................................135
Abw Pump Not Priming
(Air In The System) ...........................136
Abw Pump Is Timing Out (1 Minute) ......137
Abw Overfills The Batteries....................138
Replacing TheAbw Liquid Level
Sensor...............................................139
Removing / Installing The Ec-H2o
Pump (Option)...................................140
Se (Severe Environment) Group
(Option) .............................................142
Removing / Installing The Recovery
Tank Rinse Pump (Option)................144

5
T500 9015504 01-2018
CONTENTS

6T500 9015504 01-2018
SAFETY
The following precautions are used throughout this
manual as indicated in their descriptions:
WARNING: To warn of hazards or unsafe
practices which could result in severe
personal injury or death.
FOR SAFETY: To identify actions that
must be followed for safe operation of
equipment.
The following information signals potentially dangerous
conditions to the operator. Know when these
conditions can exist. Locate all safety devices on the
machine. Report machine damage or faulty operation
immediately.
WARNING: To Reduce the Risk of Fire,
Explosion, Electric Shock or Injury:
-Read manual before operating machine.
-Do not use or pick up flammable
materials or reactive metals.
-Do not use near flammable liquids,
vapors or combustible dusts.
-This machine is not equipped with an
explosion proof motor. The electric
motor will spark upon start up and
during operation which could cause
a flash fire or explosion if machine
is used in an area where flammable
vapors/liquids or combustible dusts are
present.
-Batteries emit hydrogen gas. Explosion
or fire can result. Keep sparks and open
flame away when charging.
-Disconnect battery cables and charger
cord before cleaning and servicing
machine.
-Do not charge batteries with damaged
cord. Do not modify plug.
If the charger supply cord is damaged
or broken, it must be replaced by the
manufacturer or its service agent or a
similarly qualified person in order to
avoid a hazard.
-Do not use outdoors. Store indoors.
-Spinning pad/brush, keep hands away.
WARNING: This machine contains chemicals
known to the state of California to cause cancer,
birth defects, or other reproductive harm.
IRIS Telemetry - This machine may be equipped with
technology that automatically communicates over
the cellular network. If the machine will be operated
where cell phone use is restricted because of concerns
related to equipment interference, please contact
a Tennant representative for information on how to
disable the cellular communication functionality.
FOR SAFETY:
1. Do not operate machine:
- Unless trained and authorized.
- Unless operator manual is read and understood.
- Unless mentally and physically capable of
following machine instructions.
- Under the influence of alcohol or drugs.
- While using a cell phone or other types of
electronic devices.
- If it is not in proper operating condition.
- In outdoor areas. This machine is for indoor use
only.
- In areas where flammable vapors/liquids or
combustible dusts are present.
- With pads or accessories not supplied or
approved by Tennant. The use of other pads
may impair safety.
- In areas with possible falling objects.
- In areas that are too dark to safely see the
controls or operate the machine.
2. Before operating machine:
- Check machine for fluid leaks.
- Make sure all safety devices are in place and
operate properly.
3. When operating machine::
- Use only as described in this manual.
- Report machine damage or faulty operation
immediately.
- Wear closed-toe, non-slip work shoes.
- Reduce speed when turning.
- Go slowly on inclines and slippery surfaces.
- The machine may only be operated on gradients
up to 2%.
- Follow site safety guidelines concerning wet
floors.
- Follow mixing, handling and disposal instructions
on chemical containers.
- Do not carry passengers on machine.
- Use care when reversing machine.
- Keep children and unauthorized persons away
from machine.
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS

7
T500 9015504 01-2018
SAFETY
- Do not allow machine to be used as a toy.
- Do not use spray nozzle for off-aisle cleaning,
slip hazard may occur.
- Do not leave machine unattended when filling
solution tank with auto-fill feature.
4. Before leaving or servicing machine:
- Stop on level surface.
- Set the parking brake, if equipped.
- Turn off machine and remove key.
5. When servicing machine:
- Disconnect battery connection and charger cord
before working on machine.
- All work must be done with sufficient lighting and
visibility.
- All repairs must be performed by trained
personnel.
- Use Tennant supplied or approved replacement
parts.
- Do not modify the machine from its original
design.
- Block machine tires before jacking machine up.
- Jack machine up at designed locations only.
Support machine with jack stands.
- Use hoist or jack that will support the weight of
the machine.
- Avoid moving parts. Do not wear loose clothing
or jewelry and secure long hair.
- Do not disconnect the off-board charger’s DC
cord from the machine’s receptacle when the
charger is operating. Arcing may result. If the
charger must be interrupted during charging
cycle, disconnect the AC power supply cord first.
- Do not use incompatible battery chargers as
this may damage battery packs and potentially
cause a fire hazard.
- Inspect charger cord regularly for damage.
- Keep work area well ventilated.
- Avoid contact with battery acid.
- Keep all metal objects off batteries.
- Do not power spray or hose off machine.
Electrical malfunction may occur. Use damp
cloth.
- Use a hoist or adequate assistance when lifting
batteries.
- Battery installation must be done by trained
personnel.
- Only use distilled water when filling the automatic
battery watering tank.
- Wear personal protection equipment as needed
and where recommended in this manual.
For Safety: wear protective gloves.
For Safety: wear eye protection.
6. When loading/unloading machine onto/off truck or
trailer:
- Drain tanks before loading machine.
- Use a ramp that can support the machine weight
and operator.
- The machine may only be operated on gradients
up to 2%.
- Lower the scrub head and squeegee before tying
down machine.
- Turn machine off and remove key.
- Set parking brake (if equipped).
- Block machine wheels.
- Use tie-down straps to secure machine.

8T500 9015504 01-2018
SAFETY
SAFETY LABELS - NORTH AMERICA
The safety labels appear on the machine in the
locations indicated. Replace labels if they are missing
or become damaged or illegible.
WARNING LABEL - Located on recovery tank cover.
WARNING LABEL -
Electrical hazard.
Disconnect battery
cables before servicing
machine.
Located on circuit breaker
panel.
WARNING LABEL -
Batteries emit hydrogen gas.
Explosion or fire can result. Keep
sparks and open flame away when
charging.
Located on bottom side of recovery tank.
WARNING LABEL -
Spinning brush. Keep hands away.
Located on scrub head.
FOR SAFETY LABEL -
Do not power spray or
hose off machine.
Electrical malfunction
may occur.
Located on control console

9
T500 9015504 01-2018
SAFETY
SAFETY LABELS - EU / INTL
The safety labels appear on the machine in the
locations indicated. Replace labels if they are missing
or become damaged or illegible.
WARNING LABEL -
Do not charge
batteries with
damaged cord.
Electric shock can
result. Disconnect
charger cord before
servicing.
Located on control
console.
WARNING LABEL -
Batteries emit
hydrogen gas.
Explosion or fire
can result. Keep
sparks and open
flame away when
charging.
Located on control
console and bottom
side of recovery tank.
WARNING LABEL - Electrical
Hazard. Disconnect battery
cables before servicing
machine.
Located on circuit board panel.
WARNING LABEL -
Spinning brush.
Keep hands away.
Located on scrub
head.
WARNING LABEL -
Flammable
materials or
reactive metals can
cause an explosion
or fire. Do not pick
up.
Located near control
console.
WARNING LABEL -
Flammable
materials can cause
explosion or fire. Do
not use flammable
materials in tank(s).
Located on backside
of solution tank cover.
FOR SAFETY
LABEL - Read
manual before
operating
machine.
Located near
control console.
FOR SAFETY LABEL -
Do not power spray or
hose off machine.
Electrical malfunction
may occur.
Located on control console

10 T500 9015504 01-2018
GENERAL INFORMATION
GENERAL INFORMATION
MACHINE COMPONENTS
1
11
26
25
27 30 29
34
36
37
38
2035
39
40
32
28
31
2
17
12
5
4
2
16
15
14
11
7
6
10
13
8
9
18
41
42
43
33
25
44
21
24
23
22
13
19
20