Tennant T7 User manual

T7
*331040*
www.tennantco.com
Rider--Scrubber
Operator Manual
331040
Rev. 04 (02-2009)
North America / International
Hygenic Fully Cleanable Tanks
R
The Safe Scrubbing AlternativeR

This manual is furnished with 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:
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 such as
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
FaST--PAK is a US registered and unregistered trademark of Tennant Company.
Specifications and parts are subject to change without notice.
Copyright E2004--2009 TENNANT Company, Printed in U.S.A.

CONTENTS
1
T7 331040 (02--09)
CONTENTS
Page
SAFETY PRECAUTIONS 2.................
OPERATION 4............................
MACHINE COMPONENTS 4.............
CONTROLS AND INSTRUMENTS 5......
HOW THE MACHINE WORKS 6..........
CONVENTIONAL SCRUBBING 6......
FOAM SCRUBBING SYSTEM
(FaST Model) 6...................
ec--H2O SCRUBBING (ec--H2O Model) 7
BRUSH INFORMATION 7................
MACHINE SETUP 8.....................
ATTACHING SQUEEGEE ASSEMBLY 8
INSTALLING BRUSHES/PADS 8.......
INSTALLING THE FaST--PAK
(FaST Model) 8...................
FILLING THE SOLUTION TANK 9......
MACHINE OPERATION 9................
PRE--OPERATION CHECKLIST 9......
BEFORE OPERATING 9..............
SETTING SCRUB MODES 10..........
SETTING FaST BUTTON 10........
SETTING ec--H2O BUTTON 10......
SETTING BRUSH PRESSURE 10....
SETTING SOLUTION FLOW
(CONVENTIONAL SCRUBBING
ONLY) 10.........................
ECONOMY SETTING 11............
SCRUBBING 11......................
DOUBLE SCRUBBING 13..............
WATER PICKUP MODE
(NO SCRUBBING) 14...............
WHILE OPERATING THE MACHINE 14.
EMERGENCY STOP BUTTON 15.......
HOUR METER 15.....................
ec--H2O SYSTEM INDICATOR LIGHT 15
SOLUTION TANK EMPTY INDICATOR 15
RECOVERY TANK FULL INDICATOR 15.
BATTERY DISCHARGE INDICATOR 16.
FAULT INDICATOR 17.................
CIRCUIT BREAKERS 18...............
FUSES 18.............................
HAZARD LIGHT SWITCH (OPTION) 18..
DRAINING AND CLEANING THE TANKS 19
PROPEL SYSTEM TROUBLESHOOTING 21
MACHINE TROUBLESHOOTING 22.......
MAINTENANCE 24.........................
MAINTENANCE CHART 25...............
BATTERIES 26..........................
GEL BATTERIES 26...................
LEAD ACID BATTERIES 26............
CHARGING THE BATTERIES WITH
OFF--BOARD CHARGER 27.........
CHECKING ON--BOARD BATTERY
CHARGER SETTINGS 28...........
CHARGING THE BATTERIES WITH THE
ON--BOARD CHARGER 29..........
Page
ON--BOARD BATTERY CHARGER
ERROR CODES 29.................
ELECTRIC MOTORS 30..................
BELTS (Cylindrical Models) 30
.............
SCRUB BRUSHES AND PADS 31.........
DISK BRUSHES 31...................
REPLACING DISK BRUSHES OR PAD
DRIVER 31.........................
REPLACING DISK PADS 32............
CYLINDRICAL BRUSHES 33..............
REPLACING OR ROTATING
CYLINDRICAL BRUSHES 33........
CHECKING CYLINDRICAL BRUSH
PATTERN 34......................
ADJUSTING CYLINDRICAL BRUSH
TAPER 35.........................
ADJUSTING CYLINDRICAL BRUSH
WIDTH 36.........................
FaST SYSTEM MAINTENANCE
(FaST Model) 36......................
FaST SUPPLY HOSE CONNECTOR 37.
ec--H2O SYSTEM (ec--H2O Model) 37......
ec--H2O MODULE FLUSH
PROCEDURE 37...................
SQUEEGEE BLADES 38.................
REPLACING (OR ROTATING) THE REAR
SQUEEGEE BLADES 38............
REPLACING SIDE SQUEEGEE
BLADES 40........................
ADJUSTING THE SQUEEGEE GUIDE
ROLLER 40.......................
LEVELING THE REAR SQUEEGEE 40..
ADJUSTING REAR SQUEEGEE BLADE
DEFLECTION 41...................
SKIRTS AND SEALS 42..................
DISK SCRUB HEAD FLOOR SKIRT 42..
RECOVERY TANK SEAL 42............
SOLUTION TANK SEALS 42...........
TIRES 42...............................
PUSHING, TOWING, AND TRANSPORTING
THE MACHINE 43.....................
PUSHING OR TOWING THE MACHINE 43
TRANSPORTING THE MACHINE 43....
MACHINE JACKING 44...................
STORAGE INFORMATION 44.............
FREEZE PROTECTION 44.............
SPECIFICATIONS 46.....................
GENERAL MACHINE
DIMENSIONS/CAPACITIES 46.........
GENERAL MACHINE PERFORMANCE 46
POWER TYPE 47.....................
TIRES 47............................
FaST SYSTEM (OPTION) 47...........
ec--H2O SYSTEM (OPTION) 47.........
MACHINE DIMENSIONS 48............
INDEX 49...............................

SAFETY PRECAUTIONS
T7 331040 (02--09)
2
SAFETY PRECAUTIONS
The following symbols are used throughout this
manual as indicated in the descriptions:
WARNING: To warn of hazards or
unsafe practices that could result in
severe personal injury or death.
FOR SAFETY: To identify actions that
must be followed for safe operation of
equipment.
This machine is designed solely for cleaning
smooth flooring in an 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 operating personnel.
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 fire can result. Keep
sparks and open flame away. Keep
covers open when charging.
WARNING: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank(s).
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up.
FOR SAFETY:
1. Do not operate machine:
-- Unless trained and authorized.
-- With brake disabled.
-- Unless operation manual is read and
understood.
-- In flammable or explosive areas.
-- In areas with possible falling objects.
2. Before starting machine:
-- Make sure all safety devices are in
place and operate properly.
-- Check brakes and steering for proper
operation.
3. When using machine:
-- Go slow on inclines and slippery
surfaces.
-- Use care when backing machine.
-- Report machine damage or faulty
operation immediately.
-- Follow mixing and handling
instructions on chemical containers.
4. Before leaving or servicing machine:
-- Stop on level surface.
-- Turn off machine and remove key.
5. When servicing machine:
-- Do not push or tow the machine on
inclines with the brake disabled.
-- Avoid moving parts. Do not wear loose
jackets, shirts, or sleeves 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.
-- Wear protective gloves when handling
batteries or battery cables.
-- Disconnect battery connections before
working on machine.
-- Avoid contact with battery acid.
-- Wear protective gloves and eye
protection when handling vinegar.
-- Do not power spray or hose off
machine. Electrical malfunction may
occur.
-- Use Tennant supplied or equivalent
replacement parts.
6. When loading/unloading machine
onto/off truck or trailer:
-- Drain tanks before loading machine.
-- Turn off machine.
-- Use truck or trailer that will support
the weight of the machine.
-- Block machine tires.
-- Lower scrub head and squeegee
before tying down machine.
-- Tie machine down to truck or trailer.
-- Use a ramp that can support the
machine weight and operator.
-- Do not operate the machine on a ramp
incline that exceeds an 11 degree
angle

SAFETY PRECAUTIONS
3
T7 331040 (02--09)
The safety labels appear on the machine in the
locations indicated. If these or any label becomes
damaged or illegible, install a new label in its
place.
BATTERY CHARGING LABEL --
LOCATED ON THE SEAT PANEL FLAMMABLE SPILLS
LABEL --
LOCATED ON THE
SEAT PANEL
FOR SAFETY LABEL --
LOCATED ON THE
SEAT PANEL
FLAMMABLE MATERIALS LABEL --
LOCATED UNDER THE SOLUTION FILL
PORT AND NEXT TO FOOT PEDALS
ELECTRICAL COMPONENTS, USE
GROUNDING STRAP BEFORE
OPENING PANEL LABEL --
LOCATED ON ELECTRICAL PANEL
UNDER THE SEAT

OPERATION
4T7 331040 (02--09)
OPERATION
MACHINE COMPONENTS
BD
C
H
I
J
G
E
L
M
N
F
K
O
S
R
Q
P
T
UA
A. Recovery tank drain hose
B. Recovery tank cover
C. Recovery tank
D. Operator seat
E. Batteries
F. Rear squeegee
G. Side squeegee
H. Scrub head
I. Steering wheel
J. Solution tank
K. Tool Box or
optional FaST--PAK compartment
ec- H2O System Module (option)
L. Solution tank fill cap
M. Solution tank drain hose
N. Squeegee hose
O. Front solution tank cover
P. Hour meter
Q. Circuit breakers
R. 100 A Fuse
S. Battery charging connector
T. Propel pedal
U. Brake pedal

OPERATION
5
T7 331040 (02--09)
CONTROLS AND INSTRUMENTS
F
E
G
H
I
L
M
N
O
P
ABCD
Q
ec- H2O Model
J
K
A. Solution tank empty indicator
B. Recovery tank full indicator
C. Battery charge level indicators
D. Fault indicator
E. Emergency Stop Button
F. Directional switch
G. Horn button
H. On/Off key switch
I. One Step scrub button
J. FaST button (option)
ec- H2O system on/off switch (option)
K. ec- H2O system indicator light (option)
L. Vacuum fan / squeegee button
M. Brush Pressure increase button (+)
N. Brush Pressure decrease button (--)
O. Solution increase button (+)
P. Solution decrease button (--)
Q. Control panel cover

OPERATION
6T7 331040 (02--09)
HOW THE MACHINE WORKS
The scrub components of the machine are a
solution tank, scrub brushes or pads, a squeegee,
a vacuum fan, and a recovery tank.
The buttons on the control panel control the
machine scrubbing functions. The One Step
Scrub button turns the preset scrub functions on
and off. The FaST button (option) enables the
FaST (Foam Scrubbing Technology) system. The
ec--H2O button (option) enables the ec--H2O
(electrically converted water) system. The
vacuum fan / squeegee button turns the vacuum
fan on/off and raises and lowers the squeegee.
The brush pressure buttons control the scrub
brush pressure, and the solution buttons control
the solution flow.
The steering wheel controls the path of the
machine travel. The directional switch controls the
forward or reverse direction of the machine. The
propel pedal controls the speed of the machine.
The brake pedal slows and stops the machine.
There are two different types of scrub heads
available, cylindrical and disk. Both scrub heads
are available in two different widths. The Disk
scrub head is available in 650 mm (26 in) wide and
800 mm (32 in) wide. The Cylindrical scrub head is
available in 700 mm (28 in) wide and 800 mm (32
in) wide.
NOTE:The amount and type of soilage play an
important role in determining the type of brushes
or pads to use. For specific recommendations,
see the BRUSH INFORMATION section of this
manual or contact a Tennant representative.
CONVENTIONAL SCRUBBING
Water and detergent from the solution tank flow to
the floor through a solution valve. The brushes
use the detergent and water solution to scrub the
floor clean. As the machine propels forward, the
squeegee wipes the dirty solution from the floor.
The suction created by the vacuum fan then
draws the dirty solution from the squeegee into
the recovery tank.
FOAM SCRUBBING SYSTEM (FaST MODEL)
Unlike conventional scrubbing, the optional FaST
(Foam Scrubbing Technology) system operates
by injecting the FaST--PAK concentrate agent into
the system with a small amount of water and air.
This mixture creates a large volume of expanded
wet foam.
The expanded foam mixture is then dispersed
onto the floor while the machine is scrubbing.
When the squeegee picks up the mixture, the
patented foaming agent has collapsed and is
recovered into the recovery tank.
The Safe Scrubbing Alternativer
The FaST system can be used with all double
scrubbing and heavy duty scrubbing applications.
Using the FaST system improves safety and can
increase productivity by 30% by reducing your
dump/fill cycle. It will also reduce chemical usage
and storage space. One FaST--PAK of
concentrated agent can scrub up to 90,000 m2(1
million square feet).
NOTE: Do not use the FaST system with
conventional cleaning detergents in the solution
tank. Drain, rinse and refill the solution tank with
clear cool water before operating the FaST
system. Conventional cleaning detergents may
cause failure to the FaST system.

OPERATION
7
T7 331040 (02--09)
ec- H2O SCRUBBING (ec- H2O Model)
The ec--H2O (electrically converted water) system
operates by producing electrically converted water
for cleaning.
Normal water passes through a module where it is
oxygenated and charged with an electric current.
The electrically converted water changes into a
blended acidic and alkaline solution forming a
neutral pH cleaner. The converted water attacks
the dirt, breaks it into smaller particles, and pulls it
off the floor surface allowing the machine to easily
scrub away the suspended soil. The converted
water then returns to normal water in the recovery
tank.
The ec--H2O system can be used with all double
scrubbing applications.
NOTE: Do not enable the ec--H2O system with
conventional cleaning detergents in the solution
tank. Drain, raise and refill the solution tank with
clear cool water only before operating the
ec--H2O system. Conventional cleaning
detergents/ restorers may cause failure to the
ec--H2O solution system.
NOTE: Storage or transporting machines
equipped with ec--H2O in freezing temperatures
requires special procedures. Follow the freeze
protection procedure located in the STORAGE
INFORMATION section.
BRUSH INFORMATION
For best results, use the correct brush type for the
cleaning application. The following are
recommended brush applications.
Non-scuff polypropylene brush (Cylindrical
and Disk) -- This brush uses a softer, general
purpose polypropylene bristle to lift lightly
compacted soilage without scuffing high-gloss
coated floors.
Nylon brush (Cylindrical and Disk) -- Softer
nylon bristles are recommended for scrubbing
coated floors. Cleans without scuffing
Super abrasive bristle brush (Cylindrical and
Disk) -- Nylon fiber impregnated with abrasive grit
to remove stains and soilage. Strong action on
any surface. Performs well on buildup, grease, or
tire marks.
Surface preparation pad -- This maroon pad is
for very aggressive floor stripping.
Heavy duty stripping pad -- This black pad is for
stripping floors. Cuts through old heavy finishes
easier to prepare the floor for recoating.
Stripping pad -- This brown pad is for stripping
floors. Quickly and easily cuts through old finish to
prepare the floor for recoating.
Scrubbing pad -- This blue pad is for scrubbing
floors. Removes dirt, spills, and scuffs. Leaves a
clean surface ready for recoating.
Buffing pad -- This red pad is for buffing floors.
Quickly cleans and removes scuff marks while
polishing the floor to a high gloss.
Polishing pad -- This white pad is for polishing
floors. Maintains a high gloss. Use for buffing very
soft finishes and lower traffic areas, and polishing
soft waxes on wood floors.

OPERATION
8T7 331040 (02--09)
MACHINE SETUP
ATTACHING SQUEEGEE ASSEMBLY
1. Stop machine on a level surface.
2. Turn the machine ON/OFF key switch off.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, and turn off
machine.
3. Place the rear squeegee under the squeegee
mount bracket and fasten with the two knobs.
4. Connect the vacuum hose to the squeegee
assembly. Loop the hose as shown using the
hose clip provided.
The squeegee deflection is set at the factory.
If the squeegee blade needs adjustments, see
ADJUSTING REAR SQUEEGEE BLADE
DEFLECTION section of this manual.
INSTALLING BRUSHES/PADS
To install the brushes or pad, see REPLACING
DISK SCRUB BRUSHES OR PAD DRIVER or
REPLACING CYLINDRICAL SCRUB BRUSHES
section of this manual.
INSTALLING THE FaST--PAK (FaST Model)
1. Stop machine on a level surface.
2. Turn off the machine ON/OFF key switch.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, and turn off
machine.
3. Open the FaST--PAK compartment door and
slide the empty FaST--PAK approximately half
way out from the FaST--PAK compartment
door.
4. Squeeze the button on the FaST supply hose
connector, then pull the empty FaST--PAK out
from the compartment.
5. Remove the perforated knock outs from the
new FaST--PAK carton. Do Not remove the
bag from the carton. Pull out the hose
connector located on the bottom of the bag
and remove the hose cap from the connector.
NOTE: The FaST--PAK Floor Cleaning
Concentrate is specially designed for use with the
FaST system scrubbing application. NEVER use
a substitute. Other cleaning solutions may cause
FaST system failure.
6. Insert the new FaST--PAK approximately half
way into the FaST--PAK compartment.
7. Connect the FaST--PAK hose connector to
the FaST supply hose connector, slide the
FaST--PAK the rest of the way into the
FaST--PAK compartment, and close the
FaST--PAK compartment door.
8. When replacing an empty FaST--PAK carton,
you must scrub with the FaST system for a
few minutes before the detergent will reach its
maximum foaming.

OPERATION
9
T7 331040 (02--09)
FILLING THE SOLUTION TANK
The machine is equipped with a fill port at the rear
of the machine.
WARNING: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank(s).
FOR CONVENTIONAL SCRUBBING: Open the
solution tank fill port and partially fill it with water
(not to exceed 60°C / 140°F). Pour the required
amount of detergent into the solution tank
according to mixing instructions on the bottle.
Then continue filling the solution tank with warm
water until the water level is just below the fill port.
FOR SAFETY: When using machine, follow
mixing and handling instructions on chemical
containers.
FOR FaST or ec- H2O SCRUBBING: Use cool
clean water only (less than 21°C/70°F). Do not
add any conventional floor cleaning detergents,
system failure may result.
NOTE: When filling the solution tank with a
bucket, make sure that the bucket is clean. Do not
use the same bucket for filling and draining the
machine.
ATTENTION: For Conventional Scrubbing,
only use recommended cleaning detergents.
Machine damage due to improper detergent
usage will void the manufacturer’s warranty.
MACHINE OPERATION
PRE--OPERATION CHECKLIST
-Check the battery fluid and charge level.
-Check the tank cover seals for damage and
wear.
-Clean the vacuum fan inlet filter.
-Check the condition of the scrubbing brushes.
Remove any string, banding, plastic wrap, or
other debris wrapped around them.
-Cylindrical brushes: Check that the debris tray
is empty and clean.
-Check the squeegees for damage, wear and
for deflection adjustment.
-Check the vacuum hose for debris or
blockage.
-Drain and clean the recovery tank.
-Check the brakes and steering for proper
operation.
-Check the service records to determine
maintenance requirements.
-FaST Scrubbing: Check the FaST--PAK
(option) concentrate agent level. Replace
carton as needed. See the INSTALLING THE
FaST--PAK AGENT section of the manual.
-For FaST or ec- H2O Scrubbing: Ensure
that all conventional cleaning agents are
drained and rinsed from the solution tank.
-For FaST or ec- H2O Scrubbing: Ensure
that the solution tank is filled with clear cool
water only.
BEFORE OPERATING
Pick up oversized debris before scrubbing. Pick
up pieces of wire, string, twine, etc., that could
become wrapped around the scrub brush.
Plan the scrubbing in advance. Try to arrange
long runs with minimum stopping and starting. Do
an entire floor or section at one time.
Pre--sweep the area to prevent streaking.

OPERATION
10 T7 331040 (02--09)
SETTING SCRUB MODES
Before scrubbing, select the type of scrubbing will
be used, FaST (option), ec--H2O (option) or
conventional scrubbing. Then set the preferred
brush pressure and solution flow settings.
SETTING FaST BUTTON
The FaST button enables the FaST system to
come on when the One Step Scrub button is on.
The light next to the button will come on when it is
in this mode.
NOTE: The solution flow cannot be adjusted when
the machine is in the FaST mode.
SETTING ec--H2O BUTTON
The ec--H2O button enables the ec--H2O system
to come on when the One Step Scrub button is
on. The light next to the button will come on when
it is in this mode.
NOTE: The ec--H2O system indicator light will not
turn on until the machine starts scrubbing (See
page 15).
ec--H2O System
Indicator Light
SETTING BRUSH PRESSURE
Under normal conditions, the brush pressure
should be set to the minimum setting (the bottom
light). Under heavy grime conditions, the brush
pressure should be set to the maximum setting
(the top light). Travel speed and floor conditions
will affect scrubbing performance.
With the One Step Scrub button on, press either
the Brush Pressure increase button (+) or the
Brush Pressure decrease button (--) to set the
scrubbing pressure for the surface being cleaned.
The new pressure setting will default to this
setting when the machine is powered on or off.
SETTING SOLUTION FLOW
(CONVENTIONAL SCRUBBING ONLY)
NOTE: The solution flow cannot be adjusted when
the machine is set for FaST or ec--H2O scrubbing.
Under normal soilage conditions the solution flow
level should be set to the lowest setting (the
bottom light). Under heavy grime conditions, the
solution flow level should be set to the higher
settings (middle or top lights). Travel speed and
floor conditions will affect scrubbing performance.

OPERATION
11
T7 331040 (02--09)
With the One Step Scrub button on, press either
Solution increase button (+) or Solution decrease
button (--) to set the solution flow level for the
surface being cleaned. The new solution flow
setting will default to this setting when the
machine is powered on or off.
ECONOMY SETTING
The machine will operate for a longer time if the
Brush Pressure and Solution Flow settings are in
the Economy setting. The bottom lights of the
Brush Pressure and Solution Flow settings are on
when the machine is in the Economy setting.
SCRUBBING
FOR SAFETY: Do not operate machine, unless
operator manual is read and understood.
1. Turn the On/Off key switch on.
2. Select the preferred scrubbing settings (See
SETTING SCRUB MODES).
3. Press the One Step Scrub button. The light
on the button is illuminated. All the preset
scrubbing functions will turn on.
NOTE:Open the control panel cover to adjust the
Brush Pressure and Solution Flow Setting while
scrubbing if necessary.
NOTE:DO NOT turn the ec--H2O/FaST system
on during conventional scrubbing. Conventional
cleaning detergents/restorers may cause failure to
the FaST/ec--H2O solution system. Drain, rinse
and refill solution tank with cool clean water
before operating the FaST/ec--H2O system.
4. Place the directional switch in the direction
the machine is to be moved (forward or
reverse).
NOTE: The machine can scrub in both forward or
reverse. The horn will sound when in reverse.

OPERATION
12 T7 331040 (02--09)
NOTE:Thesqueegee automatically raises when
the machine is driven backwards. This prevents
damaging the squeegee. When the machine is
placed in reverse, the vacuum fan will shut off
after a short delay.
5. Press the propel pedal to begin scrubbing.
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up.
6. Release the propel pedal to stop the machine.
Scrubbing functions stop and the automatic
park brake will engage when the machine
stops.
7. The Brake pedal canbeusedtocontrolthe
machine if quicker stopping is needed or if
operating on an incline. Do not operate
machine on inclines exceeding 7% (4_) when
scrubbing.
FOR SAFETY: When using machine, go slow
on inclines and slippery surfaces.
8. Press the One Step Scrub button to stop
scrubbing. The light next to the One Step
Scrub button will turn off and the scrubbing
functions will turn off after a short delay.

OPERATION
13
T7 331040 (02--09)
DOUBLE SCRUBBING
For heavily soiled areas, use the double scrubbing
method.
Double scrubbing can be performed using the
FaST SCRUBBING SYSTEM (option),
ec--H2O SCRUBBING SYSTEM (option) or
CONVENTIONAL SCRUBBING methods.
Disk brushes: Before double scrubbing, remove
the side squeegees to keep them from channeling
water while double scrubbing. To remove the side
squeegees, lower the scrub head, then pull the
pins on the front and rear ends of the squeegees.
If the machine is equipped with the accessory
basket, you may hang the side squeegees from
the hooks.
To double scrub, press the One Step Scrub
button, then the vacuum fan button. The light
above the vacuum fan button will turn off, the
squeegee will raise and the vacuum fan will stop
operating. Then scrub the area.
Let the cleaning solution set on the floor for 3--5
minutes.
Place the side squeegees back on to the machine
before scrubbing the floor the second time.
NOTE: It is easier to put the side squeegees
back on to the machine with the scrub head
partially lowered. This allows clearance to install
the pins.
Press the vacuum fan button again to lower the
squeegee and to turn on the vacuum fan. The
light above the vacuum fan button will come on.
Then scrub the floor a second time picking up the
cleaning solution.
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up.

OPERATION
14 T7 331040 (02--09)
WATER PICKUP MODE (NO SCRUBBING)
Themachinecanbeusedtopickupwateror
non--flammable liquid spills without scrubbing.
To pick up water or non--flammable liquid spills,
check to make sure that the One Step Scrub
button is not activated. The light next to the One
Step Scrub button must be off.
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up.
Then press the vacuum fan button. The light
above the vacuum fan button will turn on, the
squeegee will lower and the vacuum fan will start
operating. Then pick up the water or
non--flammable liquid spill.
WHILE OPERATING THE MACHINE
Drive as straight a path as possible. Avoid
bumping into posts or scraping the sides of the
machine. Overlap the scrub paths by several
centimeters (a few inches).
Avoid turning the steering wheel too sharply when
the machine is in motion. The machine is very
responsive to the movement of the steering wheel.
Avoid sudden turns, except in emergencies.
When scrubbing dead end aisles, start at the
closed end of the aisle and scrub out towards the
opening.
Adjust the machine speed, brush pressure, and
solution flow as required when scrubbing. Use the
minimal brush pressure and solution flow settings
as possible.
Keep the machine moving to prevent damaging
floor finishes.
If poor scrubbing performance is observed, stop
scrubbing and refer to MACHINE
TROUBLESHOOTING.
Conventional Scrubbing: Pour a recommended
foam control solution into the recovery tank if
excessive foam appears.
ec- H2O SCRUBBING: If an alarm sounds and
the ec--H2O system indicator light begins to blink
red, the ec--H2O module must be flushed to
resume ec--H2O operation (See ec--H2O
MODULE FLUSH PROCEDURE on page 37)
NOTE: When the alarm sounds and the light
blinks red, the machine will bypass the ec--H2O
system. To continue scrubbing, turn the ec--H2O
switch off and change over to conventional
scrubbing.
Change or rotate pads as necessary.
Observe the battery discharge indicator to ensure
there is adequate charge for machine operation.
Observe the solution tank indicator to ensure the
solution tank is not empty. Always empty recovery
tank before refilling the solution tank.
Observe the recovery tank indicator to ensure the
recovery is not full.
Remove the key when leaving the machine
unattended.
Perform the Daily Maintenance Procedures after
scrubbing (see MACHINE MAINTENANCE).

OPERATION
15
T7 331040 (02--09)
EMERGENCY STOP BUTTON
The Emergency Stop Button halts all power to the
machine in case of an emergency. Press the
button to halt the machine power. To restart the
machine, turn the Emergency Stop Button to the
right. Then turn the on/off switch to the off position
and then to the on position.
NOTE:This button should not be used for normal
stopping as premature wear to the parking brake
may occur.
HOUR METER
The hour meter records the number of hours the
machine has been powered on. This information
is useful for servicing the machine. It is located
under the seat.
ec- H2O SYSTEM INDICATOR LIGHT
The ec--H2O system indicator light will not turn on
until the machine starts scrubbing.
ec- H2O SYSTEM
INDICATOR LIGHT
CODE
CONDITION
Solid green Normal operation
Blinking red Flush ec--H2O module
Solid red Contact Service Center
ec- H2O SCRUBBING: If an alarm sounds and
the ec--H2O system indicator light begins to blink
red, the ec--H2O module must be flushed to
resume ec--H2O operation (See ec--H2O
MODULE FLUSH PROCEDURE on page 37)
NOTE: When the alarm sounds and the light
blinks red, the machine will bypass the ec--H2O
system. To continue scrubbing, turn the ec--H2O
switch off and change over to conventional
scrubbing.
SOLUTION TANK EMPTY INDICATOR
The solution tank empty indicator comes on when
the solution tank is empty. When this happens,
the scrub functions are disabled. If necessary,
press the ONE STEP Scrub button for an
additional minute of operation to pick up standing
water or solution.
RECOVERY TANK FULL INDICATOR
The recovery tank full indicator comes on when
the recovery tank is full. When this happens, the
scrub functions are disabled. If necessary, press
the ONE STEP Scrub button for an additional
minute of operation to pick up standing water or
solution.

OPERATION
16 T7 331040 (02--09)
BATTERY DISCHARGE INDICATOR
The battery discharge indicator shows the charge
level of the batteries.
When the batteries are fully charged, all five lights
are lit. As the batteries discharge, the lights go out
until only the left light is blinking.
When the left light blinks, the scrubbing functions
will shut off to alert the operator of the battery
condition. The machine will still propel when the
light is blinking. Recharge the batteries when the
light blinks. If necessary, press the ONE STEP
Scrub button for an additional minute of operation
to pick up standing water or solution.
NOTE: Do not charge batteries more often than
necessary. Excessive charging could reduce the
life of the batteries. It is best to charge the
batteries only when the left light indicates that the
battery needs charging. See BATTERIES in the
MAINTENANCE section.
NOTE: The blinking left battery discharge light will
not reset from blinking until the batteries are fully
charged.

OPERATION
17
T7 331040 (02--09)
FAULT INDICATOR
The fault indicator light (shown in upper right)
comes on when there a fault is detected in the
propelling motor, vacuum fan motor, or brush
motors.
Refer to the table below to determine the cause
for the fault or failure.
Indicator(s) Cause(s) Remedy
Fault Light blinks Propel motor is overloaded Contact Tennant service
representative
Fault Light and top
Brush Pressure Light
both blink
The right or rear Brush Motor is
overloaded (possibly from string or
banding wrapped around motor)
Remove string / banding from motor
or Contact Tennant service
representative
Fault Light and bottom
Brush Pressure Light
both blink
The left or front Brush Motor is
overloaded (possibly from string or
banding wrapped around motor)
Remove string / banding from motor
or Contact Tennant service
representative
Fault Light and
Vacuum Fan Light
both blink
Vacuum Fan Motor is overloaded Contact Tennant service
representative

OPERATION
18 T7 331040 (9--06)
CIRCUIT BREAKERS
Circuit breakers are resettable electrical circuit
protection devices that stop the flow of current in
the event of a circuit overload. Once a circuit
breaker is tripped, allow breaker to cool and then
press the reset button to manually reset the
breaker.
If the overload that caused the circuit breaker to
trip is still there, the circuit breaker will continue to
stop current flow until the problem is corrected.
The circuit breakers are located inside the battery
compartment next to the hour meter.
The chart shows the circuit breakers and the
electrical components they protect.
Circuit
Breaker Rating Circuit Protected
CB1 5A Instrument Panel -- power
CB2 15 A Accessories
FUSES
The fuse is a one-time protection device designed
to stop the flow of current in the event of a circuit
overload. The 100 A fuse is located inside the
battery compartment near the hourmeter. It
protects the propel circuit.
NOTE: Always replace the fuse with a fuse of the
same amperage.
HAZARD LIGHT SWITCH (OPTION)
The Hazard Light Switch operates the optional
hazard light.