Clarke SA40 20D Operating and installation instructions

Form No. 56091196 1/2016 revised 9/2018 REV B
Instructions For Use - Original Instructions / Instrucciones de uso / Mode d’ emploi
Model: 56104487 (20D)
This book has important information for the use and safe operation of this machine. Failure to read
this book prior to operating or attempting any service or maintenance procedure to your Clarke ma-
chine could result in injury to you or to other personnel; damage to the machine or to other property
could occur as well. You must have training in the operation of this machine before using it. If your
operator(s) cannot read this manual, have it explained fully before attempting to operate this machine.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
English (A2 - A22)
Español (B2 - B22)
Français (C2 - C22)
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SA40

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INSTRUCTIONS FOR USEA- ENGLISH
TABLE OF CONTENTS
Page
Introduction...........................................................................................A-3
Cautions and Warnings................................................................A-4 -A-5
Know Your Machine......................................................................A-6 -A-7
Control Panel................................................................................A-8 -A-9
Prepare the Machine for Use
Install the Batteries.............................................................................A-10
Install the Brush (disc)........................................................................ A-11
Install the Squeegee...........................................................................A-12
Fill the Solution Tank..........................................................................A-13
Operating the Machine
Scrubbing.................................................................................A-14 -A-15
After Use.............................................................................................A-16
Maintenance Schedule.......................................................................A-16
Lubricating the Machine.....................................................................A-17
Electromagnetic Brake.......................................................................A-17
Charging the Batteries (Wet)..............................................................A-18
Check the Battery Water Level...........................................................A-18
Charging the Batteries (Gel)...............................................................A-19
Squeegee Maintenance......................................................................A-20
SqueegeeAdjustment........................................................................A-20
Troubleshooting..................................................................................A-21
Technical Specifications.....................................................................A-22

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ENGLISH -AINSTRUCTIONS FOR USE
INTRODUCTION
This manual will help you get the most from your Clarke Scrubber. Read it thoroughly before operating the machine.
Note: Bold numbers in parentheses indicate an item illustrated on pagesA-6 – A-9.
This machine is only suitable for commercial use, for example in hotels, schools, hospitals, factories, shops, offices and rental businesses. The SA40 is a battery
powered floor cleaning machine.
PARTS AND SERVICE
Repairs, when required, should be performed by yourAuthorized Clarke Service Center, who employs factory trained service personnel, and maintains an
inventory of Clarke original replacement parts and accessories.
Call the CLARKE DEALER named below for repair parts or service. Please specify the Model and Serial Number when discussing your machine.
MODIFICATIONS
Modifications and additions to the cleaning machine which affect capacity and safe operation shall not be performed by the customer or user without prior written
approval from Nilfisk, Inc. Unapproved modifications will void the machine warranty and make the customer liable for any resulting accidents.
NAME PLATE
The Model Number and Serial Number of your machine are shown on the Nameplate on the machine. This information is needed when ordering repair parts for
the machine. Use the space below to note the Model Number and Serial Number of your machine for future reference.
MODELNUMBER ______________________________________________________
SERIALNUMBER ______________________________________________________
UNCRATE THE MACHINE
When the machine is delivered, carefully inspect the shipping packaging and the machine for damage. If damage is evident, save the shipping carton (if
applicable) so that it can be inspected. Contact the Clarke Customer Service Department immediately to file a freight damage claim. Refer to the unpacking
instruction sheet included with the machine to remove the machine from the pallet.
TRANSPORTING THE MACHINE
CAUTION!
Before transporting the machine on an open truck or trailer, make sure that . . .
• All tanks are empty.
•Recovery tank cover is latched securely.
• The machine is tied down securely - see Tie Down Locations (6) in Know Your Machine.
•The machine’s electromagnetic brake is engaged (not manually overridden).
revised 9/2018

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INSTRUCTIONS FOR USEA- ENGLISH
CAUTIONSAND WARNINGS
SYMBOLS
Clarke uses the symbols below to signal potentially dangerous conditions. Always read this information carefully and take
the necessary steps to protect personnel and property.
DANGER!
Is used to warn of immediate hazards that will cause severe personal injury or death.
WARNING!
Is used to call attention to a situation that could cause severe personal injury.
CAUTION!
Is used to call attention to a situation that could cause minor personal injury or damage to the machine or other property.
Read all instructions before using.
GENERAL SAFETY INSTRUCTIONS
Specific Cautions and Warnings are included to warn you of potential danger of machine damage or bodily harm.
This machine is for commercial use, for example in hotels, schools, hospitals, factories, shops and offices other than
normal residential housekeeping purposes.
WARNING!
•This machine shall be used only by properly trained and authorized persons.
•This machine is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge.
•While on ramps or inclines, avoid sudden stops. Avoid abrupt sharp turns. Use low speed down ramps.
•Observe the Gross Vehicle Weight, GVW, of the machine when loading, driving, lifting or supporting the machine.
•Keep sparks, flame and smoking materials away from batteries. Explosive gases are vented during normal operation.
•Charging the batteries produces highly explosive hydrogen gas. Charge batteries only in well-ventilated areas, away
from open flame. Do not smoke while charging the batteries.
•Remove all jewelry when working near electrical components.
•Turn the key switch off (O) and disconnect the batteries before servicing electrical components.
•Never work under a machine without safety blocks or stands to support the machine.
•Do not dispense flammable cleaning agents, operate the machine on or near these agents, or operate in areas where
flammable liquids exist.
•Do not clean this machine with a pressure washer.
•Only use the brushes provided with the appliance or those specified in the instruction manual. The use of other
brushes may impair safety.

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ENGLISH -AINSTRUCTIONS FOR USE
CAUTIONSAND WARNINGS - CONTINUED
CAUTION!
•This machine is not approved for use on public paths or roads.
•This machine is not suitable for picking up hazardous dust.
•Do not use scarifier discs and grinding stones. Clarke will not be held responsible for any damage to floor surfaces
caused by scarifiers or grinding stones (can also cause damage to the brush drive system).
•When operating this machine, ensure that third parties, particularly children, are not endangered.
•Before performing any service function, carefully read all instructions pertaining to that function.
•Do not leave the machine unattended without first turning the key switch off (O), removing the key and applying the
parking brake.
•Turn the key switch off (O) and remove the key, before changing the brushes, and before opening any access panels.
•Take precautions to prevent hair, jewelry, or loose clothing from becoming caught in moving parts.
•Use caution when moving this machine in below freezing temperature conditions. Any water in the solution or
recovery tanks or in the hose lines could freeze, causing damage to valves and fittings. Flush with windshield washer
fluid.
•The batteries must be removed from the machine before the machine is scrapped. The disposal of the batteries
should be safely done in accordance with your local environmental regulations.
•Do not use on surfaces having a gradient exceeding that marked on the machine.
•All doors and covers are to be positioned as indicated in the instruction manual before using the machine.
• This machine should only be used and stored indoors.
SAVE THESE INSTRUCTIONS

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INSTRUCTIONS FOR USEA- ENGLISH
KNOW YOUR MACHINE
As you read this manual, you will occasionally run across a bold number or letter in parentheses - example: (2). These numbers refer to an item shown on these
pages unless otherwise noted. Refer back to these pages whenever necessary to pinpoint the location of an item mentioned in the text. NOTE: Refer to the
service manual for detailed explanations of each item illustrated on the next 4 pages.
1 Control Panel
2 Steering Wheel
3 On-Board Charger Power Cord
4 Solution Tank
5 Solution Tank Fill Cap
6 Tie Down Locations
7 Drive Wheel
8 Scrub Deck
9 Squeegee Roller
10 SqueegeeAssembly
11 Squeegee Cover Knobs (4)
12
4
5
6
7
8
9
10
6
3
11

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KNOW YOUR MACHINE
13 Control Panel Housing / Recovery Tank Cover
14 Automatic Vacuum Motor Shutoff Float
15 Recovery Tank
16 Debris Catch Tray
17 Solution Tank Rear Fill Port
18 Go Pedal
19 Operator Presence Pedal
20 Platform
21 Rear Wheel
22 Solution Tank Drain Hose
23 Rear Squeegee Blade Removal Latch
24 Battery Charger
25 Solution Solenoid Valve
26 Solution Filter
27 Solution Shutoff Valve
28 Hand Holds
29 Latch
30 Recovery Tank Drain Hose
31 Solution Tank Level Sight Tube
32 Prop Rod
33 Battery Connector (optional)
34 Solution Drain Valve
35 Battery Charge Status LED
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
28
29
30
31
32
33
34
35

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INSTRUCTIONS FOR USEA- ENGLISH
CONTROL PANEL
A Key Switch
B Emergency Stop
C Horn Switch
D Drive Wheel Circuit Breaker (50Amp)
E Control Circuit Circuit Breaker (5Amp)
F Graphic Display (see Control Panel-Continued))
G Vacuum Motor Circuit Breaker (20 Amp)
H Brush Motor Circuit Breaker (25Amp)
I Scrub ON/OFF Switch
J Scrub ON/OFF Indicator
K SpeedAdjustment Knob
L Forward Drive Switch
M Forward Drive Indicator
N Reverse Drive Switch
O Reverse Drive Indicator
P Scrub Brush Pressure Switch
Q Scrub Brush Pressure Indicator
R ReadAll Instructions Before Using Symbol
S Solution FlowAdjustment Switch
T Solution ON/OFF Indicator
U Vacuum Power Adjustment Switch
V Quiet Vacuum Mode Indicator
W Standard Vacuum Mode Indicator
X Information Switch
50A 5A 20A 25A
A
B
CDEF
GHIJ
L
N
K
M
O
Q
P
R
T
S
U
XV
W

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CONTROL PANEL - CONTINUED
1 Scrubbing Screen
2 Information Screen
3 Battery Low Voltage Screen
F Graphic Display
F1 Vacuum Level Bar Graph
TOP = High
BOTTOM = Low
NONE = Off
F2 Solution Flow Rate Bar Graph
TOP = High
MIDDLE = Medium
BOTTOM = Low
NONE = Off
F3 Scrub Brush Pressure Bar Graph
TOP = Extra Pressure
BOTTOM = Standard Pressure
F4 Fault Codes
F5 Hour Meter
F6 Battery Charge Level Indicator
F1
!
F2 F3
1
3
2
F
F4
F5
F6

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INSTRUCTIONS FOR USEA- ENGLISH
BATTERIES
If your machine shipped with batteries installed do the following:
• Check that the batteries are connected to the machine.
• Turn ON the Key Switch (A) and check the Battery Indicator (F6). If the gauge is completely filled the batteries are ready for use. If the gauge is less than full
the batteries should be charged before use. See the “Charging The Batteries” section.
• IMPORTANT!: IF YOUR MACHINE HASAN ONBOARD BATTERY CHARGER REFER TO THE OEM PRODUCT MANUAL FOR INSTRUCTIONS
REGARDING SETTING THE CHARGER FOR BATTERYTYPE.
If your machine shipped without batteries installed do the following:
• Consult yourAuthorized Clarke dealer for recommended batteries.
• Install the batteries by following the instructions below.
• IMPORTANT!: IF YOUR MACHINE HASAN ONBOARD BATTERY CHARGER REFER TO THE OEM PRODUCT MANUAL FOR INSTRUCTIONS
REGARDING SETTING THE CHARGER FOR BATTERYTYPE.
INSTALL THE BATTERIES
WARNING !
Use extreme caution when working with batteries. Sulfuric acid in batteries can cause severe injury if allowed to contact the skin or
eyes. Explosive hydrogen gas is vented from inside the batteries through openings in the battery caps. This gas can be ignited by
any electrical arc, spark or flame. If battery acid makes contact with your skin, flush the affected area with water for 5 minutes and
seek medical attention.
When Servicing Batteries...
• Remove all jewelry.
• Do not smoke.
• Wear safety glasses, a rubber apron and rubber gloves.
• Work in a well-ventilated area.
• Do not allow tools to touch more than one battery terminal at a time.
•ALWAYS disconnect the negative (ground) cable first when replacing batteries to prevent sparks.
•ALWAYS connect the negative cable last when installing batteries.
CAUTION !
Electrical components in this machine can be severely damaged
if the batteries are not installed and connected properly. Batteries
should be installed by Clarke or by a qualified electrician.
1 Empty the Recovery Tank (15) using the Recovery Tank Drain Hose (30).
2 Turn the Key Switch (A) off (O) and remove the key. Unlatch (29) then swing
open the Recovery Tank Cover (13) and set the Prop Rod (32).
3 Tip the RecoveryTank (15) back towards the operator’s platform to expose
the battery compartment.
4 Using (2) people and an appropriate lifting strap, carefully lift the batteries
into the compartment tray exactly as shown. Refer to the molded diagram
on the underside of the Recovery Tank Cover.
5 See Figure 1. Install battery cables as shown and tighten the nuts on the
battery terminals.
6 Install the battery boots and secure tightly to the battery cables with the
supplied tie straps.
7 Connect the machine’s main power cables to the batteries or if so equipped
plug together the battery connector (33). Close the recovery tank cover.
When changing batteries or the charger, please contact your local
authorized service center for correct battery, charger and machine
settings to prevent battery damage.
FIGURE 1
24V
260A/H-20HR-RATE
24V
140A/H-20HR-RATE