Tennant M20 User manual

M20
*331380*
www.tennantco.com
331380
Rev. 10 (04-2011)
North America / International
The Safe Scrubbing AlternativeR
(Gas/LPG)
Scrubber--Sweeper
Operator Manual
TennantTruetParts and Supplies
Hygenic Fully Cleanable Tanks
FloorSmart
t Integrated Cleaning System
ES Extended Scrub System
R
R

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 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
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.
Thermo--Sentry, Touch--N--Go, 1--STEP, Clean--Wedge, Variable Drain Valve, EasyOpen, Grip--n--Go, MaxPro, Dura--Track, SmartRelease,
InstantAccess, Duramer, FaST--PAK, ErgoSpace and Lower Total Cost of Ownership are US registered and unregistered trademarks of Tennant Company.
Specifications and parts are subject to change without notice.
Original Instructions, copyright E2006 -- 2011 TENNANT Company, Printed in U.S.A.

CONTENTS
1
M20 331380 (4--10)
CONTENTS
Page
Safety Precautions 3.......................
Operation 7...............................
Machine Components 7..................
Controls And Instruments 8...............
Touch Panel 9..........................
Symbol Definitions 10.....................
Operation Of Controls 11..................
Charging System Indicator 11...........
Engine Oil Pressure Indicator 11........
Check Engine Indicator 11..............
Parking Brake Indicator (Option) 11......
Setting The Engine Speed 12...........
Side Brush (Option) 12.................
Fuel Indicator 12......................
Gasoline Machines 12.................
Lpg Machines 12......................
Hour Meter 13........................
Supervisor Control Buttons 13...........
Operating Lights 13....................
Hazard Light (Option) 13...............
Operator Seat 14......................
Seat Belts 14.........................
Steering Column Tilt Knob 14...........
Brake Pedal 15.......................
Parking Brake Pedal 15................
Directional Pedal 15...................
Squeegee Protectors (Option) 15........
How The Machine Works 16...............
Brush Information 16.....................
While Operating The Machine 17...........
Pre--operation Checklist 18................
Changing The LPG Tank 19...............
Starting The Machine 20..................
Turning Off The Machine 20...............
Filling The Solution Tank 21................
Foam Scrubbing (FaST Mode) Or
ec--H2O Scrubbing (ec--H2O Mode) 21
Conventional Scrubbing Mode 21........
ES (Extended Scrub) Mode
With Auto--fill 22....................
ES (Extended Scrub) Mode --
Manually Filling Tanks 22............
Setting Scrub Modes 23...................
Setting FaST Mode 23.................
Setting ES (Extended Scrub) Mode 23...
Setting ec--H2O Mode 23...............
Setting Brush Pressure 23..............
Setting Solution Flow 24................
Conventional And FaST Solution Flow 24.
ES (Extended Scrub) Solution Flow 24...
Scrubbing 25............................
Double Scrubbing 26
.....................
Water Pickup Mode (No Scrubbing) 27......
Sweeping 27............................
Emptying The Hopper 29..................
Page
Engaging Hopper Support Pin 30...........
Disengaging Hopper Support Pin 30........
Removing The Hopper Dust Filter 31........
Cleaning The Hopper And Debris Screen 32.
Draining And Cleaning The
Recovery Tank 34.....................
Draining The Recovery Tank With
The Drain Hose 34....................
Draining The Recovery Tank With
The Drain Plug 35..................
Draining And Cleaning The Solution Tank 37.
Fault Indicator(s) 39......................
Conditions / Warnings 40..................
Options 41..............................
Spray Nozzle (Option) 41...............
Vacuum Wand (Option) 42..............
Machine Troubleshooting 43...............
Maintenance 45.............................
Maintenance Chart 46....................
Lubrication 48...........................
Engine Oil 48.........................
Squeegee Caster Bearings 48..........
Front Wheel Support Bearing 48.........
Steering Cylinder Bearing 48............
Hopper Lift Arm Pivots 49..............
Hopper Door Pivots 49.................
Lift Arm Latch 49......................
Torque Tubes 49......................
Hydraulics 50............................
Hydraulic Fluid 51.....................
Hydraulic Hoses 51....................
Engine 52...............................
Cooling System 52....................
Air Filter 53..........................
Fuel Filter (LPG) 53....................
Electronic Pressure Regulator (LPG)
(For Machines Serial Number
002000 And Above) 54..............
Fuel Filter (Gasoline) 54................
Engine Belt 54........................
Spark Plugs 55........................
Timing Belt 55........................
Battery 55...............................
Fuses, Relays, And Circuit Breakers 56.....
Relay Panel Fuses And Relays 56.......
Engine Harness Fuses And Relays 57...
Circuit Breakers (ec--H20) 57...........
Cleaning The Hopper Dust Filter 57.........
Thermo--Sentry 57.......................
Main Brushes 58
.........................
Replacing Or Rotating The
Main Brushes 58...................
Checking The Main Brush Pattern 60....
Adjusting The Main Brush Taper 61......
Adjusting The Main Brush Width 61......

CONTENTS
M20 331380 (4--10)
2
Page
Side Brush (Option) 62....................
Replacing The Side Brush 62...........
FaST System 63.........................
Replacing ThE FaST--PAK Carton 63....
Cleaning The FaST Supply Hose
Connector 64......................
Cleaning The Fast System
Filter Screen 64....................
Cleaning The Fast System Air Pump
Filter (S/N 000000 -- 002532) 64......
Replacing The Fast System Filters
(S/N 002533-- ) 64.............
ec--H2O Module Flush Procedure 65........
Cleaning The ec--H2O Filter Screen 66......
Squeegee Blades 67......................
Replacing (Or Rotating) The Rear
Squeegee Blades 67................
Replacing Or Rotating The Side
Squeegee Blades 69................
Replacing The Side Brush Squeegee
Blade (S/N 000000--003076)
(Option) 71........................
Replacing Or Adjusting The Side Brush
Squeegee Blade (S/N 003077-- )
(Option) 72........................
Leveling The Rear Squeegee 73.........
Adjusting The Rear Squeegee Blade
Deflection 74.......................
Skirts And Seals 75.......................
Scrub Head Skirt 75...................
Recovery Tank Seal 75.................
Solution Tank Seals 75.................
Brakes And Tires 76......................
Brakes 76............................
Parking Brake 76......................
Tires 76..............................
Front Wheel 76.......................
Propelling Motor 76.......................
Pushing, Towing, And Transporting The
Machine 77...........................
Pushing Or Towing The Machine 77......
Transporting The Machine 77...........
Machine Jacking 79......................
Storage Information 79....................
Freeze Protection (Machines Without
ec--H20 System) 80.................
Freeze Protection (Machines With
ec--H20 System) 80.................
Priming The ec--H20 System 82.........
Page
Specifications 83............................
General Machine Dimensions/Capacities 83.
General Machine Performance 83..........
Hydraulic System 83......................
Steering 83..............................
Power Type 84..........................
Tires 84.................................
FaST System 85
.........................
ec--H2O System 85.......................
Machine Dimensions 86...................

SAFETY PRECAUTIONS
3
M20 331380 (4--11)
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.
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: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank.
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pickup.
WARNING: Moving belt and fan. Keep
away.
WARNING: Engine emits toxic gases.
Serious injury or death can result.
Provide adequate ventilation.
WARNING: Raised hopper may fall.
Engage hopper support pin.
WARNING: Lift arm pinch point. Stay
clear of hopper lift arms.
WARNING: Burn hazard. Hot surface. Do
NOT touch.
CAUTION: LPG engine will run for a
few seconds after key is turned off.
Apply parking brake before leaving
machine.
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.
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.
-- If it is not in proper operating
condition.
-- In flammable or explosive 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 refueling 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:
-- Do not pick up burning or smoking
debris, such as cigarettes, matches, or
hot ashes.
-- 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, handling and disposal
instructions on chemical containers.
-- Follow safety guidlines concerning
wet floors.

SAFETY PRECAUTIONS
M20 331380 (4--10)
4
5. Before leaving or servicing machine:
-- Stop on level surface.
-- Set parking brake.
-- Turn off machine and remove key.
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. Support machine 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.
-- Do not remove cap from radiator when
engine is hot.
-- 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.
-- Wear protective gloves and eye
protection when handling vinegar.
-- 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.

SAFETY PRECAUTIONS
5
M20 331380 (9--06)
The following safety labels are mounted on the
machine in the locations indicated. If these or any
labels become damaged or illegible, install a new
label in its place.
EMISSIONS LABEL -- Located on the
side of the operator compartment.
FOR SAFETY LABEL --
Located on the side of the
operator compartment.
FLAMMABLE SPILLS LABEL --
Located on the side of the
operator compartment.
LPG ENGINE LABEL -- Located
next to the ignition switch on the
instrument panel.
(LPG machines only)
HOPPER LIFT ARMS LABEL --
Located on both hopper lift arms.

SAFETY PRECAUTIONS
M20 331380 (3--07)
6
FAN AND BELT LABEL --
Located on engine
compartment panel.
FLAMMABLE MATERIALS
LABEL -- Located next to
the solution tank covers
and on the detergent tank.
HOT SURFACE LABEL -- Located on
the side of the bumper, on the
exhaust shield, and on the hydraulic
reservoir.
RAISED HOPPER LABEL -- Located on
both hopper lift arms.

OPERATION
7
M20 331380 (4--10)
OPERATION
MACHINE COMPONENTS
C
G
D
F
I
J
K
R
M
Q
B
S
A
E
H
L
NO
P
T
U
W
V
X
A. Overhead guard (option)
B. Instrument panel
C. Front shroud
D. Headlights
E. Side brush (option)
F. Side squeegee
G. Scrub head access door
H. Seat shroud
I. FaST carton, or ES detergent tank, or
ec- H2O System Module compartment
(option)
J. Solution tank cover
K. Operator seat
L. Spray wand -- nozzle behind seat (option)
M. Taillights
N. Audible backup alarm (option)
O. Recovery tank drain hose
P. Recovery tank cover
Q. Solution tank drain hose
R. Hopper
S. Rear squeegee
T. Squeegee protectors (option)
U. Vacuum wand (option)
V. Hopper safety pin
W. Engine cover
X. Fuel tank

OPERATION
8M20 331380 (4--10)
CONTROLS AND INSTRUMENTS
B
I
H
F
E
LM
G
KA
C
D
J
N
A. Steering wheel
B. Ignition switch
C. Horn button
D. Steering column tilt knob
E. Directional pedal
F. Brake pedal
G. Parking brake pedal
H. Hopper door open / close switch
I. Hopper raise / lower switch
J. Touch panel
K. Operating / Hazard Lights switch
L. Spray nozzle switch (option)
M. Engine indicator lights
N. ec- H2O system indicator light (option)

OPERATION
9
M20 331380 (4--10)
TOUCH PANEL
H
C
G
A
N
JE
B
D
F
I
K
LM
O
P
A. Fault indicator light
B. Hour meter / fuel indicator / fault code
indicator
C. 1--STEP sweep button
D. 1--STEP scrub button
E. Scrub vacuum fan / squeegee button
F. ES (Extended Scrub) button (option)
G. FaST button (option)
ec- H2O button (option)
H. Solution increase button (+)
I. Solution decrease button (--)
J. Brush pressure increase button (+)
K. Brush pressure decrease button (--)
L. Filter shaker button
M. Sweep vacuum fan button
N. Side brush button (option)
O. Engine speed button
P. Supervisor control buttons

OPERATION
10 M20 331380 (4--10)
SYMBOL DEFINITIONS
These symbols are usd on the machine to identify
controls, displays, and features.
Hazard light Engine speed
Operating lights Side brush
Spray nozzle Main brush pressure
Hopper door open Solution flow
Hopper door close Increase
Hopper raise Decrease
Hopper lower Charging system
Fault indicator Engine oil pressure (000000--002885)
Filter shaker Engine oil pressure (002886-- )
Sweep vac fan Check engine
Scrub vac fan/squeegee Parking Brake (002886-- )
1--STEP sweep Horn
1--STEP scrub Jack point
ES (extended scrub) Unleaded fuel only
FaST (foam scrubbing) ec--H2O (option)

OPERATION
11
M20 331380 (5--09)
OPERATION OF CONTROLS
CHARGING SYSTEM INDICATOR
The Charging system indicator comes on when
the alternator is not operating within the normal
range. If this indicator comes on, stop the
machine immediately and correct the problem.
ENGINE OIL PRESSURE INDICATOR
The Engine oil pressure indicator comes on when
the engine oil pressure falls below the normal
operating pressure. If this indicator comes on,
stop the machine immediately and correct the
problem.
CHECK ENGINE INDICATOR
The Check engine indicator comes on when the
engine control system detects a fault during
machine operation.
If this indicator comes on, contact a Tennant
service representative.
PARKING BRAKE INDICATOR (OPTION)
The parking brake indicator comes on when the
parking brake is engaged.

OPERATION
12 M20 331380 (6--06)
SETTING THE ENGINE SPEED
The engine speed is controlled automatically
when either the 1--STEP Scrub button or 1--STEP
Sweep button is pressed. When not sweeping or
scrubbing, press the Engine Speed button to
increase the engine RPM for increased travel
speed. Press the Engine Speed button again to
reduce the engine RPM. The two lights above the
button indicate engine speed setting. When one
light is lit the engine is in the low setting. When
two lights are lit the engine is in the high setting.
SIDE BRUSH (OPTION)
The side brush allows users to sweep or scrub
difficult to reach corners and areas near walls.
The side brush also widens the scrubbing/
sweeping path.
With the 1--STEP Scrub button or 1--STEP Sweep
button activated, press the Side brush button to
lower and start the side brush. The light next to
the button will come on. When finished using the
side brush, press the button again to raise and
stop the side brush. The light next to the button
will turn off. The machine will default to the last
setting used when it is powered on or off.
FUEL INDICATOR
GASOLINE MACHINES
For gasoline machines, the Fuel indicator displays
the amount of fuel left in the tank. The fault
indicator will flash and a low fuel message will
appear when the tank is near empty.
NOTE: Do not use leaded fuels. Leaded fuels will
permanently damage the system oxygen sensor
and catalytic converter.
LPG MACHINES
For LPG machines, the Fuel indicator does NOT
display the amount of fuel in the LPG tank. It will
display all the indicator bars to show that some
fuel is in the tank. When the LPG tank is near
empty, the fault indicator will flash and a low fuel
message will appear.
The LPG fuel gauge on the tank displays the
amount of fuel in the LPG tank.

OPERATION
13
M20 331380 (6--06)
HOUR METER
The Hour meter records the hours the machine
was operated. Use this information to determine
machine service intervals.
SUPERVISOR CONTROL BUTTONS
The Supervisor Control buttons are for accessing
the configuration and diagnostic modes. Only
properly trained service personnel and TENNANT
representatives should access these modes.
OPERATING LIGHTS
Push the top of the Operating / hazard light switch
to turn on the headlights and taillights. Return the
light switch to the center position to turn off the
lights.
HAZARD LIGHT (OPTION)
Press the bottom of the Operating / hazard light
switch to turn on the hazard light, headlights, and
taillights. Return the light switch to the center
position to turn off the lights.

OPERATION
14 M20 331380 (6--06)
OPERATOR SEAT
The operator seat has three adjustments:
backrest angle, operator weight, and front to
back.
The backrest adjustment knob adjusts the angle
of the backrest.
Increase angle: Turn the angle adjustment knob
counterclockwise.
Decrease angle: Turn the angle adjustment knob
clockwise.
The weight adjustment knob controls the firmness
of the operator seat.
Increase firmness: Turn the weight adjustment
knob clockwise.
Decrease firmness: Turn the weight adjustment
knob counterclockwise.
Use the gauge next to the weight adjustment knob
to help determine seat firmness for the operator.
The front--to--back adjustment lever adjusts the
seat position.
Adjust: Pull the lever out and slide the seat to the
desired position. Release the lever to lock the
seat into place.
SEAT BELTS
Always fasten and adjust the seat belts before
operating the machine.
STEERING COLUMN TILT KNOB
1. Pull the Steering column tilt knob and adjust
the steering column to the desired height.
2. Release the Steering column tilt handle.

OPERATION
15
M20 331380 (6--06)
BRAKE PEDAL
Press the Brake pedal to stop the machine.
PARKING BRAKE PEDAL
Press the Brake pedal down as far as possible
and use toe to lock the Parking brake pedal into
place. Press the Brake pedal to release the
parking brake. The Parking brake pedal will return
to the unlocked position.
DIRECTIONAL PEDAL
Press the top of the Directional pedal to move
forward and the bottom of the pedal to move
backward. The backup lights will come on when
the machine is in reverse. The pedal returns to
the neutral position when it is released.
NOTE: An audible alarm will sound and the
backup light will flash when backing the machine if
equipped with the optional backup alarm.
SQUEEGEE PROTECTORS (OPTION)
The rear and side squeegee protectors help
protect the rear squeegee from being damaged.
To engage the rear squeegee protector, pull the
pin, lower the protector bar, and reinsert the pin.

OPERATION
16 M20 331380 (4--10)
HOW THE MACHINE WORKS
This machine can effectively scrub or sweep dirty
floors. The 1--STEP Scrub button and 1--STEP
Sweep button make it possible to immediately
begin scrubbing or sweeping.
The 1--STEP Sweep button operates all the dry
sweeping functions (without scrubbing). The
1--STEP Scrub button operates all the scrubbing
functions. (The machine also sweeps while
scrubbing).
When in the conventional Scrub mode, a water
and detergent mixture is used to scrub the floor.
When in the optional FaST (Foam scrubbing)
mode, the FaST scrubbing system mixes the
FaST--PAK concentrate with a small amount of
water, creating a large volume of expanded wet
foam. The FaST system can be used with all
double scrubbing and heavy duty scrubbing
applications.
When in the optional ES (Extended Scrub) mode,
the dirty solution in the recovery tank is filtered
through the ES system and returned to the
solution tank for reuse. Detergent is then injected
into the returned solution to revitalize the cleaning
capability of the solution.
When in the optional ec--H2O (electrically
converted water) mode, 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 and heavy duty scrubbing applications.
BRUSH INFORMATION
For best results, use the correct brush type for the
cleaning application. Listed below are the brushes
and the applications for which each is best suited.
NOTE:The amount and type of soilage play an
important role in determining the type of brushes
to use. Contact a Tennant representative for
specific recommendations.
PolyPro brush -- Heavy duty polypropylene
bristles provide a more aggressive cleaning
performance and can more easily lift compacted
dirt, debris, and sand while offering excellent
scrubbing performance.
Polypropylene brush -- General purpose
polypropylene bristles lift lightly compacted dirt
without scuffing high-gloss coated floors.
Polyester brush -- Softer general purpose
polyester bristles lift light debris while sweeping
and gently clean while scrubbing. Perfect for
sensitive floor surfaces. Polyester does not
absorb water so it is preferred over Nylon in wet
applications.
Super AB brush -- Nylon fiber impregnated with
abrasive grit to remove stains and compacted dirt.
Aggressive action on any surface. Performs well
on buildup, grease, or tire marks.

OPERATION
17
M20 331380 (4--10)
WHILE OPERATING THE MACHINE
Pick up oversized debris before scrubbing or
sweeping. Pick up wire, string, twine, large pieces
of wood, or any other debris that could become
wrapped around or tangled in the brushes.
Drive as straight a path as possible. Avoid
bumping into posts or scraping the sides of the
machine. Overlap the scrub/sweep 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.
Adjust the machine speed, brush pressure, and
solution flow as required when scrubbing. Use the
lowest brush pressure and solution flow settings
for best performance. If the machine is equipped
with the FaST or ec--H2O system, use the FaST
or ec--H2O system for the best scrubbing results.
Keep the machine moving to prevent damaging
floor finishes.
If poor cleaning performance is observed, stop
cleaning and refer to MACHINE
TROUBLESHOOTING in this manual.
Perform the Daily Maintenance Procedures after
each use (see MACHINE MAINTENANCE in this
manual).
Drive the machine slowly on inclines. Use the
brake pedal to control machine speed on
descending inclines. Scrub with the machine up
inclines rather than down inclines.
FOR SAFETY: When using machine, go slow
on inclines and slippery surfaces.
The maximum rated incline for scrubbing with the
machine is 8_or 14%. The maximum rated incline
during transport of the machine is 10_or 18%.

OPERATION
18 M20 331380 (6--06)
PRE--OPERATION CHECKLIST
-Check the hydraulic fluid level.
-Check the fuel level.
-Check the condition of the main brushes.
Remove string, banding, plastic wrap, or other
debris wrapped around the brushes.
-Check the main brush compartment right
skirts, seals, and squeegee for damage and
wear.
-Side Brush Option: Check the condition of the
brush. Remove string, banding, plastic wrap,
or other debris wrapped around the brush.
-Side Brush Option: Check the condition of the
side brush skirt or squeegee.
-Check the radiator and hydraulic cooler fins
for debris.
-Check the engine coolant level.
-Check the engine oil level.
-Check the main brush compartment left skirts,
seals, and squeegee for damage and wear.
-Check the left solution tank cover seal for
damage and wear.
-Check the recovery tank cover seal for
damage and wear.
-Clean the vacuum fan debris filter.
-Drain and clean the recovery tank.
-ES Option: Drain and clean the solution tank,
float sensor, and ES filter.
-Check the right solution tank cover seal for
damage and wear.
-Check the condition of the hopper dust filter
and seals.
-Clean the hopper and the debris screen.
-Check the squeegee hose for debris or
blockage.
-Check the squeegees for damage, wear, and
deflection adjustment.
-FaST Scrubbing: Check the FaST--PAK
concentrate agent level. Replace carton as
needed. See the INSTALLING THE
FaST--PAK CARTON section of the manual.
-FaST Scrubbing: Ensure all conventional
cleaning agents are drained and rinsed from
the solution tank.
-FaST Scrubbing: Ensure the solution tank is
filled with clear cool water only.
-Check the headlights, taillights, and safety
lights.
-Check the brakes and steering for proper
operation.
-Check the service records to determine
maintenance requirements.