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U.S. Patent No. 6,760,947; No. 6,105,192; No. RE39,581 (Deluxe Machines); & Patent Pending
READ THIS BOOK
LEA ESTE MANUAL
LISEZ CE MANUEL
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 machine
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.
For new books write to: Clarke
Form No. 70851A
11/07
S28 / L28 WB
S33 / L33 WB
S38 / L38 WB
Operator's Manual
Manuel d'utilisation
Libro de Instrucciones
Canada Patent No. 2,353,279 (Deluxe Machines)
®
, 2100 Highway 265, Springdale, Arkansas 72764.
EN
English (2 - 31)
ES
Español (32 - 61)
FR
Français (62 - 91)
Clarke
®
Printed in the U.S.A.
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Table of Contents
Related Manuals for Clarke FOCUS S28
Summary of Contents for Clarke FOCUS S28
- Page 1 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 machine could result in injury to you or to other personnel; damage to the machine or to other property could occur as well.
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Page 2: Table Of Contents
Electrical Plate Connection Diagram L28/L33/L38 ................... 117 Control Housing Connection Diagram ......................118 Electrical Schematic S28/S33/S38 ........................119 Electrical Schematic (Top) L28/L33/L38 ......................120 Electrical Schematic (Bottom) L28/L33/L38 ..................... 121 ® Clarke Page -2- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... -
Page 3: Operator Safety Instructions
Failure to read the Owner's Manual prior to operating or attempting any service or maintenance procedure to your Clarke machine 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. - Page 4 Do not ride on this machine. CAUTION: Your machine warranty will be voided if anything other than genuine Clarke parts are used on your machine. Always use Clarke parts for replacement.
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Page 5: Introduction
Introduction Introduction: Clarke's newly designed Focus 38, 33, and 28 automatic scrubbers are efficient and superior floor cleaning machines. The Focus 38 uses two brushes or pads to scrub a path 38 inches wide. The Focus 33 uses two brushes or pads to scrub a path 33 inches wide. The Focus 28 uses two brushes or pads to scrub a path 28 inches wide. - Page 6 1005 lbs. 456kg Shipping Weight 1328 lbs. 602kg 1318 lbs. 598kg 1308 lbs. 593kg w/batteries (330AH) Noise 76.5 dBA 76.5 dBA 76.5 dBA Vibration <2.5 m/s <2.5 m/s <2.5 m/s ® Clarke Page -6- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB...
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Page 7: Procedures For Transporting
9. Replace squeegee assembly, brush housings, & brushes or pad drivers after the machine is unloaded and ready to use. ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 7 -... -
Page 8: Symbols Used On S28, S33, S38
ENGLISH SYMBOLS USED ON FOCUS S28, S33, & S38 Hazard Alert Symbol Additional Brush Pressure On/Off Key Switch Charge/Battery Meter Brush Up/Down Solution Control Power Traverse Speed Control ® Clarke Page -8- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... -
Page 9: Symbols Used On L28, L33, L38
SYMBOLS USED ON FOCUS L28, L33 & L38 Hazard Alert Symbol Brush Up/Down On/Off Key Switch Charge Indicator Squeegee Up/Down One Touch Switch Solution Control Hour Meter Switch Power Traverse Speed Control ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 9 -... -
Page 10: Machine Control Panel S28, S33, S38
Hour Meter (See Figure #1, Item "N") The hour meter indicates the number of hours the machine has operated. It runs only when the machine is moving forward or reverse. ® Clarke Page -10- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... - Page 11 ENGLISH MACHINE CONTROL PANEL S28, S33 & S38 Figure #1 ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 11 -...
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Page 12: Machine Control Panel L28, L33, L38
Pressing the black display button will toggle between the main machine functions and the hour meter. The hour meter indicates the number of hours the machine has operated. It displays brush motor, vacuum motor, traverse motor and total key on hours.) ® Clarke Page -12- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... - Page 13 Turn the key switch "ON", and try again. An authorized service person should be con- tacted if the breaker trips again. Figure #2 ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 13 -...
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Page 14: Display Screen For L28, L33, L38
The Diagnostic only. It will not show unless a fault with the machine occurs. When the fault happens the icon and error code will be displayed. See "Common Error Codes" at end of "Maintenance Section". ® Clarke Page -14- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... -
Page 15: Machine Controls And Features
The shut-off switch for the vac motor is located in the recovery tank. It automatically turns off the vac motor when the recovery tank is full. Figure #3b Figure #4 Figure #5 Figure #3c ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 15 -... -
Page 16: How To Prepare The Machine For Operation
See figure 6a and 8. Install the tank, reconnecting hoses and plugging in vac motor and float switch connectors. Install tank support bracket. NOTE: Charge the batteries before using the machine. ® Clarke Page -16- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB... - Page 17 To clean the terminals and connectors, use a terminal and connector cleaning tool. Do not allow ammonia or bicarbonate of soda to get into batteries. Keep the batteries charged. ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 17 -...
- Page 18 When recharging the batteries, keep the recovery tank open. After every 20 recharging cycles, check the level of the electrolyte and if necessary top off with distilled water. ® Clarke Page -18- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB...
- Page 19 3. Turn the key switch "OFF". 4. Go to the front of the machine. 5. Push down on two sides of the brush or pad driver until the gimbals release. ® Clarke Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB - 19 -...
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Page 20: How To Operate The Machine
The settings should be returned to 4 bars of solution and 2 bars of brush pressure. NOTE: The squeegee vac switch must be in the middle position for default settings to work. ® Clarke Page -20- Operator's Manual (EN) - FOCUS S28/L28/S33/L33/S38/L38 WB...