This manual is furnished with each new model. It provides
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necessary operation and maintenance instructions.
Read this manual completely and understand the machine before operating or servicing it.
MACHINE DATA
This machine will provide excellent service. However, the
best results will be obtained at minimum costs if:
S The machine is operated with reasonable care.
S The machine is maintained regularly - per the ma-
chine maintenance instructions provided.
S The machine is maintained with manufacturer sup-
plied 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 a safe
environmentally way according to your
local waste disposal regulations.
Always remember to recycle.
Please fill out at time of installation for future reference.
Model No.- 8210
Serial No.-
Machine Options --
Sales Rep. --
Sales Rep. phone no. --
Customer Number --
Installation Date --
Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: (800) 553--8033 or (763) 523--2850
CALIFORNIA PROPOSITION 65 WARNING:
Engine exhaust from this product contains chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
MAXPRO and ES are United States registered trademarks of the Tennant Company
Thermo Sentry is a United States trademark of Tennant Company.
Specifications and parts are subject to change without notice.
Copyright E 1998-- 2000, 2002--2006 TENNANT,PrintedinU.S.A.
ENGAGING HOPPER SUPPORT BAR60.
DISENGAGING HOPPER SUPPORT
BAR62.............................
OPERATION ON INCLINES63...........
TIE DOWNS63.........................
MACHINE TROUBLESHOOTING64......
MAINTENANCE66........................
MAINTENANCE CHART66..............
LUBRICATION68.......................
ENGINE (FORD)68..................
ENGINE (GM)68....................
REAR WHEEL SUPPORT69..........
FRONT WHEEL BEARINGS70........
HOPPER LIFT ARM PIVOTS70.......
SCRUB HEAD DRAG LINK ARMS70...
HYDRAULICS71.......................
HYDRAULIC FLUID RESERVOIR71...
HYDRAULIC FLUID72...............
HYDRAULIC HOSES73..............
PROPELLING MOTOR73.............
ENGINE74............................
COOLING SYSTEM74...............
AIR FILTER INDICATOR (OPTIONAL)75
AIR FILTER75.......................
FUEL FILTER (GASOLINE)76.........
FUEL FILTER (GM LPG)76...........
SPARK PLUGS76...................
CRANKCASE VENTILATION SYSTEM 76
8210 330190 (3-- 06)
1
CONTENTS
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INTAKE MANIFOLD (FORD)76........
TIMING BELT (GM)76................
BATTERY77........................
BELTS AND CHAINS78.................
ENGINE AND ACCESSORY PUMP BELT
(FORD)78.......................
ENGINE BELT (GM)78...............
STATIC DRAG CHAIN79.............
DEBRIS HOPPER80....................
HOPPER DUST FILTER80............
REMOVING HOPPER DUST
FILTER81.....................
THERMO SENTRY81................
SCRUB HEAD82.......................
BRUSHES82...........................
MAIN SWEEP BRUSH82.............
REPLACING MAIN SWEEP
BRUSH83.....................
CHECKING AND ADJUSTING MAIN
SWEEP BRUSH PATTERN85...
SIDE BRUSH87.....................
REPLACING SIDE BRUSH88......
SCRUB BRUSHES89................
REPLACING THE SCRUB
BRUSHES90..................
SOLUTION SYSTEM90.................
RECOVERY TANK90................
SOLUTION TANK91.................
SQUEEGEES91........................
REAR SQUEEGEE91................
LEVELING THE REAR SQUEEGEE 92
ADJUSTING REAR SQUEEGEE
BLADE DEFLECTION93........
SIDE SQUEEGEES94..................
ADJUSTING THE SIDE SQUEEGEES94
SQUEEGEE BLADES94................
REAR SQUEEGEE94................
REPLACING OR ROTATING REAR
SQUEEGEE BLADES94........
SIDE SQUEEGEES95..................
REPLACING SIDE SQUEEGEE
BLADES95.......................
SKIRTS AND SEALS96.................
REAR SKIRTS96....................
BRUSH DOOR SEALS96.............
HOPPER LIP SKIRTS96..............
HOPPER SEALS97..................
HOPPER DOOR SEALS97...........
HOPPER FILTER SEALS97...........
HOPPER VACUUM FAN SEAL98......
TANK COVER SEALS98.............
BRAKES AND TIRES99.................
SERVICE BRAKES99................
PARKING BRAKE99.................
TIRES99...........................
REAR WHEEL99....................
Page
Page
PUSHING, TOWING, AND
TRANSPORTING THE MACHINE100...
PUSHING OR TOWING
THE MACHINE100.................
TRANSPORTING THE MACHINE101...
MACHINE JACKING103..................
STORING MACHINE103.................
SPECIFICATIONS104......................
GENERAL MACHINE PERFORMANCE104.
POWER TYPE105.......................
STEERING105..........................
HYDRAULIC SYSTEM106................
BRAKING SYSTEM106..................
TIRES106..............................
MACHINE DIMENSIONS107..............
INDEX108.................................
2
8210 330190 (3-- 06)
SAFETY PRECAUTIONS
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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.
FOR SAFETY: To identify actions that
must be followed for safe operation of
equipment.
CAUTION: To warn of unsafe practices
that could result in minor or moderate
personal injury.
The machine is suited to sweep disposable
debris. Do not use the machine other than
described in this Operator Manual. The machine
is not designed for use on public roads.
The following information signals potentially
dangerous conditions to the operator or
equipment:
WARNING: Engine emits toxic gases.
Severe respiratory damage or
asphyxiation can result. Provide
adequate ventilation. Consult with your
regulatory authorities for exposure
limits. Keep engine properly tuned.
WARNING: Raised hopper may fall.
Engage hopper support bar.
WARNING: Lift arm pinch point. Stay
clear of hopper lift arms.
WARNING: Moving belt and fan. Keep
away.
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 explosion or
fire. Do not pick up.
FOR SAFETY:
1. Do not operate machine:
-- Unless trained and authorized.
-- Unless operator manual is read and
understood.
-- If it is not in proper operating
condition.
-- In flammable or explosive areas unless
designed for use in those areas.
-- In areas with possible falling objects
unless equipped with overhead guard.
2. Before starting machine:
-- Check for fuel, oil, and liquid leaks.
-- Keep sparks and open flame away
from refuelin g area.
-- Make sure all safety devices are in
place and operate properly.
-- Check brakes and steering for proper
operation.
3. When starting machine:
-- Keep foot on brake and directional
pedal in neutral.
4. When using machine:
-- Use brakes to stop machine.
-- Go slow on inclines and slippery
surfaces.
-- Use care when reversing machine.
-- Move machine with care when hopper
is raised.
-- Make sure adequate clearance is
available before raising hopper.
-- Do not carry passengers on machine.
-- Always follow safety and traffic rules.
-- Report machine damage or faulty
operation immediately.
-- Follow mixing and handling
instructions on chemical containers.
5. Before leaving or servicing machine:
-- Stop on level surface.
-- Set parking brake.
-- Turn off machine and remove key.
WARNING: Hot bumper. Keep away.
CAUTION: LPG engine will run for a few
seconds after the key is turned off.
Apply the partking brake before leaving
the machine.
8210 330190 (9-- 05)
3
SAFETY PRECAUTIONS
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6. When servicing machine:
-- Avoid moving parts. Do not wear loose
jackets, shirts, or sleeves.
-- 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.
-- Avoid contact with battery acid.
-- Avoid contact with hot engine coolant.
-- Allow engine to cool.
-- Keep flames and sparks away from
fuel system service area. Keep area
well ventilated.
-- Use cardboard to locate leaking
hydraulic fluid under pressure.
-- Use Tennant supplied or approved
replacement parts.
7. When loading/unloading machine
onto/off truck or trailer:
-- Turn off machine.
-- Use truck or trailer that will support
the weight of the machine.
-- Use winch. Do not drive the machine
onto/off the truck or trailer unless the
load height is 380 mm (15 in) or less
from the ground.
-- Set parking brake after machine is
loaded.
-- Block machine tires.
-- Tie machine down to truck or trailer.
4
8210 330190 (6-- 03)
The following safety labels are mounted on the
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machine in the locations indicated. If these or any
label becomes damaged or illegible, install a new
label in its place.
FLAMMABLE SPILLS LABEL -- LOCATED
ON THE SIDE PANEL OF THE OPERATOR
COMPARTMENT.
HOPPER LIFT ARMS LABEL -- LOCATED
ON BOTH HOPPER LIFT ARMS.
SAFETY PRECAUTIONS
EMISSIONS LABEL -- LOCATED ON THE SIDE
PANEL OF THE OPERATOR COMPARTMENT.
ENGINE FAN AND BELT LABEL -- LOCATED
ON THE RADIAT OR SHROUD.
8210 330190 (3-- 06)
HOT SURFACE LABEL -LOCATED ON THE SIDE OF
THE BUMPER
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5
SAFETY PRECAUTIONS
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LPG ENGINE WILL RUN LABEL-LOCATED ON THE SIDE OF THE
INSTRUMENT PANEL.
FLAMMABLE MATERIALS LABEL -- LOCATED
ON THE SOLUTION TANK COVER & ON THE
BA TTER Y TRA Y ON MACHINES WITH THE
DETERGENT TANK OPTION.
FOR SAFETY LABEL -LOCATED ON THE SIDE
PANEL OF THE OPERATOR
COMPARTMENT.
HOPPER SUPPORT BAR LABEL -- LOCATED
ON THE HOPPER SUPPORT BAR AND ON
BOTH HOPPER LIFT ARMS.
6
351551
HOPPER LIFT ARMS LABEL -- LOCATED
ON BOTH HOPPER LIFT ARMS.
8210 330190 (9-- 05)
OPERATOR RESPONSIBILITY
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- The operator’s responsibility is to take care
of the daily maintenance and checkups of
the machine to keep it in good working
condition. The operator must inform the
service mechanic or supervisor when the
required maintenance intervals occur as
stated in the MAINTENANCE section of this
manual.
- Read this manual carefully before operating
this machine.
FOR SAFETY: Do not operate machine,
unless operation manual is read and
understood.
- Check the machine for shipping damage.
Check to make sure machine is complete
per shipping instructions.
OPERATION
OPERAT ION
- Keep your machine regularly maintained by
following the maintenance information in this
manual. We recommend taking advantage
of a regularly scheduled service contract
from your Tennant representative.
- Order parts and supplies directly from your
authorized Tennant representative. Use the
parts manual provided when ordering parts.
- After the first 50 hours of operation, follow
the recommended procedures stated in the
MAINTENANCE CHART.
07324
8210 330190 (1-- 98)
7
OPERATION
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MACHINE COMPONENTS
C
B
A
D
H
I
J
N
P
K
L
F
E
Q
G
O
A. Control panel
B. Steering wheel
C. Operator seat
D. Engine cover
E. Engine side door
F.Rear squeegee
G. Side squeegee
H. Sweeping brush access door
I.Hopper cover
J. Hopper dust filter
K. Solution tank
L. Recovery tank
M. Main sweeping brush
N. Side brush
O. Scrub brushes
P.Detergent tank (option)
Q. Scrub head
M
351551
8
8210 330190 (6-- 04)
SYMBOL DEFINITIONS
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These symbols identify controls, displays, and
features on the machine:
Hazard lightRecovery tank full
Operating lightsFilter clogged
Hopper door openHopper temperature -- Thermo Sentry
Hopper door closeDiagnostics
Hopper raiseGasoline fuel only
OPERATION
Hopper lowerHourmeter
Filter shakerFan
Side brush down and onES(option)
Side brush up and offDetergent flow
Main brush down and onScrub brush edge clean
Main brush up and offScrub brushes down and on
Charging systemRear squeegee down and vacuum on
Engine oil pressureEngine
Engine water temperatureVariable pressure
8210 330190 (6-- 04)
9
OPERATION
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Parking brakeCircuit breaker 1
Solution flowCircuit breaker 2
Side brush down pressure lightCircuit breaker 3
Side brush down pressure heavyCircuit breaker 4
Main sweep brush down pressure lightCircuit breaker 5
Main sweep brush down pressure heavyCircuit breaker 6
HornCircuit breaker 7
Hydraulic fluid onlyCircuit breaker 8
JackpointCheck Engine
Steering tilt
50 hour required maintenance interval
100 hour required maintenance interval
200 hour required maintenance interval
10
400 hour required maintenance interval
800 hour required maintenance interval
8210 330190 (6-- 04)
CONTROLS AND INSTRUMENTS
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OPERATION
P
L
N
G
H
K
R
S
T
U
B
I
J
V
Y
W
AA
X
Z
C
M
O
BB
D
F
E
Q
A
A. Directional pedalV.Clogged filter light (option)
B. Brake pedalW. Hopper door closed light (option)
C. Parking brake pedalX.Hydraulic filter bypass light (option)
D. Ignition switchY.Horn button
E. Steering wheelZ.Circuit breakers
F.Steering column tilt leverAA. Engine choke knob (FORD engine)
G. Hopper leverBB. Check Engine Light (GM engine)
H. Operator seat
I.Operating lights switch
J. Operating/hazard lights switch
(option)
K. Solution flow switch
L. Control panel
M. Multi--function switches (6)
N. Display screen
O. TENNANT logo switch
P. Main brush down pressure knob
Q. Side brush down pressure handle
R. Charging system light
S. Engine oil pressure light
T. Engine water temperature light
U. Hopper temperature light --
Thermo Sentry
8210 330190 (3-- 06)
11
OPERATION
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OPERATION OF CONTROLS
DIRECTIONAL PEDAL
The directional pedal controls direction of travel
and the propelling speed of the machine. Change
the speed of the machine with the pressure of
your foot; the harder you press the pedal, the
faster the machine travels.
Forward: Press the top of the directional pedal
with the toe portion of your foot.
Reverse: Press the bottom of the directional
pedal with the heel of your foot.
Neutral: Take your foot off the directional pedal
and it will return to the neutral position.
12
8210 330190 (1-- 98)
BRAKE PEDAL
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The brake pedal stops the machine.
Stop: Take your foot off the directional pedal and
let it return to the neutral position. Step on the
brake pedal.
PARKING BRAKE PEDAL
The parking brake pedal sets and releases the
front wheel brakes.
Set: While pressing the brake pedal as far as it
will go, set the parking brake by pressing the
parking brake pedal with the toe portion of your
foot.
OPERATION
FOR SAFETY: Before leaving or
servicing machine; stop on level
surface, set parking brake, turn off
machine and remove key.
Release: Press on the brake pedal to unlock the
parking brake pedal.
IGNITION SWITCH
The ignition switch starts and stops the engine
with a key.
FOR SAFETY: When starting machine,
keep foot on brake and directional pedal
in neutral.
Start: Turn the key all the way clockwise.
Release the key as soon as the engine starts.
Stop: Turn the key counter-clockwise.
CAUTION: LPG engine will run for a few
seconds after the key is turned off.
Apply the partking brake before leaving
the machine.
NOTE: T o protect the GM engines emmision
components LPG machines, the engine will
continue to operate for a few seconds after the
switch is turned off.
8210 330190 (1-- 98)
13
OPERATION
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STEERING WHEEL
The steering wheel controls the machine’s
direction. The machine is very responsive to the
steering wheel movements.
Left: Turn the steering wheel to the left.
Right: Turn the steering wheel to the right.
STEERING COLUMN TILT LEVER
The steering column tilt handle controls the angle
of the steering wheel.
Adjust: Pull out the tilt handle, then move the
wheel to the desired position and release the tilt
handle.
CHECK ENGINE LIGHT (GM ENGINE)
The check engine light comes on if the engines
control system detects a fault during machine
operation.
If the check engine light comes on while operating
the machine, contact a TENNANT service
representative.
14
8210 330190 (6-- 04)
SCRUB SWITCH
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The scrub switch controls the scrubbing
operations. The scrub switch also sets the scrub
brush pressure.
The scrubbing operations include the functions
described below . The scrub head lowers and the
scrub brushes activate. The rear squeegee will
lower and the vacuum fan will start. The solution
system will start, if the solution flow switch is on.
Also, the optional ES system and detergent pump
will start, if the switches are on. The engine speed
will change to fast.
OPERATION
F
E
Start: Press the scrub switch. The indicator light
next to the switch will illuminate.
Stop: Press the scrub switch. The indicator light
next to the switch goes out.
Scrub brush pressure: Press and hold the scrub
switch. The brush pressure will scroll through four
settings. The heaviest or fourth brush pressure
setting is called Super Scrub. The pressure
setting selected when the switch is released will
be the new default brush pressure setting.
The brush pressure can be set into four different
positions. Under normal conditions, the brush
pressure should be set in the minimum settings
(one or two downward arrows). Under heavy
grime conditions, the brush pressure should be
set in the maximum settings (three or four
downward arrows). The fourth brush pressure
setting (Super Scrub) is not available when the
machine is scrubbing and sweeping
simultaneously. Travel speed and floor conditions
will affect the scrubbing performance.
NOTE: The brush pressure setting and the
detergent flow rate will default to the last settings
used when the scrubbing operations are started
again.
351647
NOTE: The scrub head will raise when the
directional pedal is in the neutral position. The
rear squeegee will raise when the directional
pedal is in the reverse position.
8210 330190 (6-- 04)
15
OPERATION
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SWEEP SWITCH
The sweep switch controls the sweeping
operations.
If the sweep switch is pressed while the machine
is idle or in the scrub mode, the hopper door will
open, the main sweeping brush will lower and
activate, the sweep vacuum fan will activate, the
side brush will lower and activate, and the engine
speed will increase to the fast speed.
Sweeping operations on: Press the sweep
switch. The indicator light next to the switch will
illuminate.
Sweeping operations off: Press the switch again.
The indicator light next to the switch will go out.
Sweeping in wet conditions: Press the vacuum
fan switch to disable the fan. The indicator light
next to the switch will go out.
NOTE: If the hopper is raised, even slightly, the
raised hopper icon will replace the sweep icon on
the control panel display and the sweeping
operations will not start.
SIDE BRUSH SWITCH
The side brush switch controls the side brush
position and rotation. The main sweeping brush
must be operating for the side brush to work.
NOTE: The side brush operates automatically
when the main sweeping brush starts operating.
To sweep without using the side brush, press the
side brush switch.
F
E
351648
F
E
Up and Off: Press the switch again. The indicator
light next to the switch will go out.
Down and On: Press the switch. The indicator
light next to the switch will illuminate.
NOTE: The side brush operates automatically
when the main sweeping brush starts operating.
To sweep without using the side brush, press the
side brush switch.
NOTE: If the hopper is raised, even slightly, the
raised hopper icon will replace the sweep icon on
the control panel display and the sweeping
operations will not start.
16
351649
8210 330190 (1-- 98)
HOURMETER
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The hourmeter records the number of hours the
machine has been operated. Check the hourmeter
regularly; this information is used to determine
when to perform routine machine maintenance.
FUEL LEVEL GAUGE
The fuel level gauge indicates the amount of fuel
remaining in the fuel tank. When the indicator bar
is fully shaded, the fuel tank is full. The fuel tank
is nearly empty when only a small portion of the
indicator bar remains shaded. Refill the fuel tank
as soon as possible.
NOTE: Do not use leaded fuels. The use of
leaded fuels will cause permanent damage to the
system’s oxygen sensor and catalytic converter.
LPG powered machine: The fuel gauge is located
on the top of the LP tank.
OPERATION
F
E
12 : 16 PM
0021
351650
F
E
12 : 16 PM
0021
351650
8210 330190 (1-- 98)
17
OPERATION
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HOPPER LEVER
The hopper lever raises and lowers the hopper.
Hopper up: Turn off all scrubbing and sweeping
functions. Pull and hold the hopper lever
backward until the hopper reaches the desired
height.
Hold: Release the hopper lever into the middle
position.
WARNING: Raised hopper may fall.
Engage hopper support bar.
Hopper down: Push the hopper lever forward until
the hopper has lowered completely.
NOTE: The main sweeping brush, side brush,
and sweep vacuum fan will stop operating when
the hopper is raised. If the sweep vacuum fan,
side brush switch, or the main brush switch is
pressed while the hopper is raised, none of the
sweeping operations will activate and the raised
hopper icon will appear on the control panel.
F
E
MAIN SWEEP BRUSH DOWN PRESSURE
KNOB
The main brush down pressure knob changes the
amount of contact the main brush has with the
surface being swept.
Increase: Turn the main brush down pressure
knob counter--clockwise.
Decrease: Turn the main brush down pressure
knob clockwise.
351651
18
8210 330190 (1-- 98)
SIDE BRUSH DOWN PRESSURE HANDLE
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The side brush down pressure handle changes
the amount of contact the side brush has with the
surface being swept.
Increase: Turn the side brush down pressure
handle counter-clockwise.
Decrease: Turn the side brush down pressure
handle clockwise.
CONTROL PANEL
The sweeping and scrubbing functions are
activated by the control panel. Features of the
control panel include six multi--function buttons
and graphics icons which display the current state
of the sweeping and scrubbing functions. The
control panel also features a display clock for
operator convenience, and a maintenance mode
that prompts the operator when to perform routine
machine maintenance.
OPERATION
By pressing the TENNANT logo, the operator can
cycle the control panel display through the
different function screens. Each function screen
allows the operator to enable or disable different
sweeping or scrubbing functions.
F
E
12 : 16 PM
0021
351652
8210 330190 (6-- 04)
19
OPERATION
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SETTING THE DISPLAY CLOCK
1. Turn the machine off.
2. Press and hold the TENNANT logo button
while turning the ignition key to the ON
position. DO NOT start the engine. The ON
position is between the STOP and ST ART
positions. Continue to press the TENNANT
logo button until the RESET PRESSURE
screen appears on the display. Release the
logo button.
3. Press and release the TENNANT logo
button. The ADJUST TIME screen will
appear on the screen.
4. Press the switch next to ADJUST TIME.
F
E
12 : 16 PM
0021
351653
Input Display
5. Set the time, date, and choose between the
12 or 24 hour clock modes by moving the
underline through the display by pressing
the switches next to the direction arrows.
Increase the value of the underlined
segment by pressing the switch next to the
positive (+) icon. Decrease the value of the
underlined segment by pressing the switch
next to the negative (--) icon.
6. Exit the ADJUST TIME function by pressing
the TENNANT logo switch.
7. Turn the key to the off position.
Edge Scrub
Adjust Time
+
_
12 : 00 AM
--
12
01 / 01 / 97
351654
351655
20
8210 330190 (1-- 98)
MAINTENANCE MODE
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The maintenance mode allows the operator to
monitor and reset the elapsed time between six
different regular maintenance requirements.
When the maintenance mode is enabled, an
alarm will sound and an icon representing a
maintenance function will appear on the display
each time machine is started if one or more of the
maintenance timers goes past its recommended
interval. Each time the required maintenance
function is performed, the timer for that function
should be reset.
OPERATION
12 : 16 PM
0021
351656
8210 330190 (1-- 98)
21
OPERATION
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RESETTING THE MAINTENANCE TIMERS
1. Turn the machine off.
2. Press and hold the TENNANT logo button
while turning the ignition key to the ON
position. DO NOT start the engine. The ON
position is between the STOP and ST ART
positions. Continue to press the TENNANT
logo button until the RESET PRESSURE
screen appears on the display. Release the
logo button.
3. Press and release the TENNANT logo
button two more times. The SELF TEST
screen will appear on the display.
4. Press the switch next to DISPLAY MAINT.
F
E
12 : 16 PM
0021
351653
Self Test
Each maintenance item is represented by an
icon with the recommended maintenance
interval printed in hours below it. The lower
right--hand corner of the screen displays the
number of hours that have elapsed since the
maintenance timer was last reset and the
date it was last reset. The switch at the
upper right--hand corner of the screen will
reset the hour counter for each maintenance
item. Reset the maintenance timer each
time the maintenance function represented
by the icon is performed. The operator can
scroll through the six maintenance function
screens by pressing the TENNANT logo
button.
To determine which routine maintenance function
each icon represents, see the SYMBOLDEFINITIONS section of this manual.
Display Maint.
Enable Maint.
351657
0
800
0800
01 / 01 / 97
351658
22
8210 330190 (1-- 98)
5. Exit the DISPLAY MAINT. function by
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pressing the TENNANT logo switch until all
six maintenance mode screens have been
displayed.
6. Turn the key to the off position.
DISABLING THE MAINTENANCE MODE
When the maintenance mode is disabled, the
flashing icon and alarm will not appear and sound
when the machine is started if one or more of the
maintenance timers goes past its recommended
interval.
1. Turn the machine off.
2. Press and hold the TENNANT logo button
while turning the ignition key to the ON
position. DO NOT start the engine. The ON
position is between the STOP and ST ART
positions. Continue to press the TENNANT
logo button until the RESET PRESSURE
screen appears on the display. Release the
logo button.
3. Press and release the TENNANT logo
button two more times. The SELF TEST
screen will appear on the display.
OPERATION
F
E
12 : 16 PM
0021
4. Press the switch next to ENABLE MAINT.
NOTE: If the light next to the ENABLE MAINT.
switch is not illuminated, the maintenance mode is
currently disabled.
NOTE: When the maintenance mode is disabled,
the maintenance timers continue to record the
elapsed time between maintenance intervals. To
view the elapsed time between each of the six
default maintenance intervals, press the switch
next to Display Maint.. Press the TENNANT logo
button to scroll through the maintenance function
screens.
351653
Self Test
Display Maint.
Enable Maint.
351657
8210 330190 (1-- 98)
23
OPERATION
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OPERATING LIGHTS SWITCH
The operating lights switch powers the headlights
and taillights on and off.
On: Press the top of the operating lights switch.
Off: Press the bottom of the operating lights
switch.
OPERATING/HAZARD LIGHT SWITCH
(OPTION)
The operating/hazard light switch powers the
headlights and taillights, and the revolving hazard
light (option) on and off.
Operating lights on: Press the top of the hazard
light switch.
Operating lights/Hazard light (option) on: Press
the bottom of the hazard light switch.
All lights off: Set the the hazard light switch in the
middle position.
SOLUTION FLOW SWITCH
The solution flow switch controls the amount of
solution that flows to the floor while scrubbing.
(1) Low: Press the top of the switch. Use this flow
rate for smooth floors and light dirt.
(0) Off: Press the middle of the switch.
(2) High: Press the bottom of the switch. Use this
flow rate for rough floors and heavy or compacted
dirt.
1
0
2
24
8210 330190 (1-- 98)
MANUAL FLOW VALVE
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The machine is equipped with a manually
adjustable solution flow valve that is located on
the right side of the scrubhead. The valve can be
adjusted to dispense either more or less solution.
Contact your TENNANT representative with
solution flow rate questions.
Maximum flow: Turn the flow lever to the
horizontal position.
Minimum flow: Turn the flow lever to the vertical
position.
ENGINE CHOKE KNOB (FORD ENGINE)
The engine choke knob controls the engine choke
on FORD gasoline powered machines.
On: For cold starting, pull the engine choke knob
out.
OPERATION
Off: Push the engine choke knob in.
SWEEP VACUUM FAN SWITCH
The sweep vacuum fan switch starts and stops
the sweep vacuum fan. Do not operate the
vacuum fan when sweeping in wet conditions.
Start: Press the switch. The indicator next to the
switch will illuminate.
Stop: Press the switch. The indicator light next to
the switch will go out.
NOTE: The sweep vacuum fan activates
automatically when the main sweeping brush
starts operating. The sweep vacuum fan will not
activate unless the main sweeping brush is
operating.
F
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351648
NOTE: The sweep vacuum fan will not start if the
hopper is raised, even slightly. If the sweep
vacuum fan switch is pressed while the hopper is
raised, the sweep vacuum will not start and the
raised hopper icon will appear on the control
panel.
8210 330190 (6-- 04)
25
OPERATION
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HOPPER DOOR SWITCH
The hopper door switch opens and closes the
hopper door.
NOTE: The hopper door icon only appears when
the hopper is raised.
Open: Press the switch. The indicator light next
to the switch will illuminate and the icon will
indicate the door is open.
Close: Press the switch. The indicator next to the
switch will go out and the icon will indicate the
door is closed.
NOTE: The hopper door opens automatically
when the main sweeping brush starts operating.
The hopper door closes automatically when the
machine is started or if the main sweeping brush
is not operating.
FILTER SHAKER SWITCH
The filter shaker switch starts the hopper dust
filter shaker. The shaker automatically operates
for 30 seconds.
NOTE: If the machine begins to create an
excessive amount of dust while sweeping, press
the filter shaker switch.
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351659
F
E
Start: Press the filter shaker switch. The indicator
light will remain on while the filter shaker is
operating.
NOTE: The filter shaker will activate automatically
for a short time each time the sweeping
operations are stopped. The vacuum system will
not operate while the filter shaker is operating.
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26
8210 330190 (1-- 98)
EDGE SCRUB SWITCH
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The edge scrub switch extends the scrub head to
the right to allow close edge scrubbing.
OPERATION
Out: Press the edge scrub switch during
scrubbing. The indicator light next to the switch
will illuminate.
In: Press the edge scrub switch. The indicator
light next to the switch will go out.
SQUEEGEE SWITCH
The squeegee switch controls the position of the
rear squeegee. The rear squeegee can be
operated separately from the scrub brushes for
the purpose of picking-up excess water without
scrubbing.
Lower: Press the squeegee switch. The indicator
light next to the switch will illuminate.
Raise and stop: Press the squeegee switch. The
indicator light above the switch goes off. There will
be a slight delay before the vacuum shuts off.
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351660
F
E
NOTE: The rear squeegee lowers and scrubbing
vacuum starts automatically when the scrubbing
operations start.
NOTE: The rear squeegee will raise and the
scrubbing vacuum will shut off after a short delay
when the machine travels in reverse.
NOTE: The rear squeegee will raise and the
scrubbing vacuum fan will shut off after a short
delay when the scrubbing operations are shut off.
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8210 330190 (1-- 98)
27
OPERATION
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ES SWITCH (OPTION)
The ES switch turns the extended scrub system
on and off . When the machine is started, the ES
switch will default to the last setting used.
NOTE: The ES icon only appears after the scrub
functions have been activated.
On: Press the ES switch. The indicator light next
to the switch will illuminate.
Off: Press the ES switch. The indicator light next
to the switch will go out.
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8210 330190 (6-- 04)
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