Clarke Encore S28 Operator's Manual

Clarke Encore S28 Operator's Manual

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Operator's
Manual
U.S. Patent No. 6,105,192; No. 5,383,251; No. 6,493,896 (Deluxe Machines) and other Patents Pending
READ THIS BOOK
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 English, have this manual explained fully before attempting to operate this machine.
Si Ud. o sus operadores no pueden leer el Inglés, se hagan explicar este manual completamente antes
de tratar el manejo o servicio de esta máquina.
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. 70656A 8/04
®
, 2100 Highway 265, Springdale, Arkansas 72764.
Clarke
®
Division of
ENCORE
S28/L28
S33/L33
S38/L38
Printed in the U.S.A.

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Summary of Contents for Clarke Encore 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.
  • Page 2: Table Of Contents

    Parts List ............................55 Rear Cover Assembly Drawing ......................56 Parts List ............................57 S28/S33/S38 Electrical Schematic ....................58 S28/S33/S38 Connection Diagram ....................59 L28/L33/L38 Electrical Schematic ..................... 60 L28/L33/L38 Connection Diagram ....................61 ® Clarke Page Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • 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.
  • Page 4 Do not use this machine as a step or furniture. 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.
  • Page 5: Introduction & Machine Specifications "L" Class

    Introduction & Machine Specifications Clarke’s newly designed Encore 38, 33 and 28 automatic scrubbers are efficient and superior floor cleaning machines. The Encore 38 uses two brushes or pads to scrub a path 38 inches wide. The Encore 33 uses two brushes or pads to scrub a path 33 inches wide.
  • Page 6: Introduction & Machine Specifications "S" Class

    Grade Cleaning 6° Incline 6° Incline 6° Incline Weight w/Batteries (330AH) 1038 lbs. 471kg 1028 lbs. 467kg 1018 lbs. 462kg Shipping Weight 1341 lbs. 608kg 1331 lbs. 604kg 1321 lbs. 599kg w/batteries (330AH) ® Clarke Page Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 7: Procedures For Transporting

    9. As the machine begins to travel down the ramp, push the control handles toward the machine to maintain a slow downward speed. 10. Replace squeegee assembly, brush housings, & brushes or pad drivers after the machine is unloaded and ready to use. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 7 -...
  • Page 8: Symbols Used On Encore Machines

    Power ("L Class" & "S Class") On/Off Key Switch ("L Class" & "S Class") Traverse Speed Control ("L Class" & "S Class") Solution Control ("L Class" & "S Class") Brush Up/Down ("L Class" & "S Class") ® Clarke Page Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 9 Increase/Decrease ("L Class" Only) Warning Label ("L Class" & "S Class") with parking brake Brush Pressure Meter ("L Class" Only) Warning Label ("L Class" & "S Class") without parking brake Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 9 -...
  • Page 10: Machine Control Panel "S" Class

    Hour Meter (See Figure #1, Item K) The hour meter indicates the number of hours the machine has operated. It runs only when the machine is moving forward or reverse. Figure #1 ® Clarke Page -10- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 11: Machine Control Panel "L" Class

    Hour Meter (See Figure #2, Item "J") The hour meter indicates the number of hours the machine has operated. It runs only when the machine is moving forward or reverse. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 11 -...
  • Page 12 Turn the key switch "on" and try again. Contact an authorized service person if the breaker trips again. Figure #2 Figure #3 Figure #4 ® Clarke Page -12- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 13: 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 #5b Figure #6 Figure #5c Figure #7 Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 13 -...
  • Page 14: How To Prepare The Machine For Operation

    NO SMOKING! 5. Connect the battery cables between 38720B 38722B batteries and install long battery cable assembly as indicated. See figure 8a - 8d. Figure #8b 38720B 38722B Figure #8d Figure #8c ® Clarke Page -14- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 15: Battery Maintenance

    Do not allow ammonia or bicarbonate of soda to get into batteries. CAUTION: Tap water may contain contami- nants that will damage batteries. Keep the batteries charged. Batteries must be re-filled with dis- tilled water only. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 15 -...
  • Page 16: How To Charge The Batteries

    (3-wire) wall receptacle having the voltage, frequency, and ampere capacity specified on the nameplate of the charger. For more instruction on the use of the charger, read the instruction book supplied with the charger. ® Clarke Page -16- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 17: How To Install The Brushes Or Pad Drivers

    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 - Encore S28/L28/S33/L33/S38/L38 - 17 -...
  • Page 18: How To Operate The Machine

    Do not use with or near flammables such as gasoline, grain dust, solvents, and thinners. Only use a cleaning concentration recommended by the chemical manufacturer. WARNING: Clarke recommends a maximum water temperature of 120°F(49°C) 4. Replace the solution tank lid. Figure #18 ® Clarke...
  • Page 19 See figure #20. 7. To turn the machine, push the rear of the machine to the side. 8. When you stop the machine, turn the key switch "OFF". Figure #20 Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 19 -...
  • Page 20: How To Clean A Floor

    5. Leave the solution on the floor long enough for the solution to begin cleaning the floor. 6. Scrub the floor again with additional solution, picking up all the solution with the squeegee ® Clarke Page -20- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 21: Maintenance

    7. Make sure brush housings and skirts are in position on the brush head. 8. Make sure the brushes are in position and installed correctly 9. Check the installation of the squeegee and squeegee hose. Figure #24 Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 21 -...
  • Page 22 Use a clean cloth and wipe the surface of the machine. Figure #25d Charge the batteries. See the instruction in the section of this book called “How To Charge The Batteries”. ® Clarke Page -22- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 23 5. Use a grease gun to lubricate the drive wheel and the casters. See figure #27. Figure #27 6. Check tire pressure. Tire pressure should be about 50 psi. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 23 -...
  • Page 24 "Y" down. To bring both ends down, tip "Y" up. Make very small adjustments and try it until a uniform flare is achieved. Changing the tilt may also require readjusting the squee- gee pressure. ® Clarke Page -24- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 25 . WARNING: Electrical repairs must be done by authorized personnel only. Consult your Clarke Authorized Service Person to do the service procedures. Use only genuine Clarke parts. How to Clean the Solution Line Figure #32...
  • Page 26: Accessories

    Manual Numbers for Translations: Part No. Description Part No. Description Part No. Description 79049B-FR French 79049B-DK Danish 79049B-DE German 79049B-ES Spanish 79049B-NL Dutch 79049B-SE Swedish 79049B-NO Norwegian 79049B-CZ 79049B-IT Italian 79049B-PT Portuguese 79049B-FI Finnish ® Clarke Page -26- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 27: Section Ii Parts And Service Manual

    Division of Encore S28/L28/S33/L33/S38/L38 Section II Parts and Service Manual (70656A) U.S. Patent No. 6,105,192; No. 5,383,251; No. 6,493,896 (Deluxe Machines) and other Patents Pending Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 27 -...
  • Page 28: How To Correct Problems In The Machine

    Check wire connection to traverse motor. Replace the fuses. Check the batteries connections. Check parking brake overide lever position (if installed) NOTE: If the motors continue to stop, consult an authorized service person. ® Clarke Page -28- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 29: Maintenance, Head Position System

    (3) complete turns. 5. Using the supplied jam nut, lock the brush head hall affect sensor down using loctite thread locker. 6.Reinstall the brush head actuator assembly on the machine. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 29 -...
  • Page 30: Squeegee/Swing Arm Assembly Drawing 5/04

    ® Clarke Encore S28/S33/S38 and L28/L33/L38 Squeegee/Swing Arm Assembly Drawing 5/04 Drawing # 16616A - L Drawing # 16617A - S NOTE: #51 and #52 are on top of bracket for the "S" models Apply antiseize to threads ® Clarke...
  • Page 31: Parts List

    #44; then retighten screw #39. This will allow 18818A Asm., Squeegee* for different thickness. 81303A Nut, ¼-28 54766A Insert,Threaded 87026A Washer 87031A Washer, 3/8 Flat * See accessory page Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 31 -...
  • Page 32: Traverse System Assembly Drawing 8/03

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 Traverse System Assembly Drawing 8/03 Drawing 19021A ® Clarke Page -32- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 33: Parts List

    Washer, Lock 58419A Stud, 980205 Washer, .25 Fender 69639A Strap, Static 980645 Washer, Flat 962244 Screw, -16 x ¾ 980638 Lockwasher *30039A tube, inner (included in item #16) 1 Ref. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 33 -...
  • Page 34: Brush Head Assembly Drawing 6/02

    ® Clarke Encore S28/S33/S38 and L28/L33/L38 Brush Head Assembly Drawing 6/02 Drawing # (i) 11453A, 11449A, 11452A Drawing # (ix) 11448A, 11445A, 11450A 18 12 72 44 ® Clarke Page -34- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 35: Parts List

    *Used only as required to square up linkage bars #21 to the frame. **Attach to Brush Motor. ***See page 27 for installation NOTE: indicates a change has been made since the last publication of this manual. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 35 -...
  • Page 36: Solution/Recovery System Assembly Drawing 6/02

    ® Clarke Encore S28/S33/S38 and L28/L33/L38 Solution/Recovery System Assembly Drawing 6/02 73 74 78 79 40 41 ® Clarke Page -36- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 37: Parts List

    * k l s k f j l k s d j f l k j f l k s a j f l k j f d l k s f d j 51867A Cable Clamp NOTE: indicates a change has been made 81800A Well Nut since the last publication of this manual. 77092A Label, Gases & Chem. All(NI*) Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 37 -...
  • Page 38: Brush Motor Drawing & Parts List

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 12/03 Brush Motor #45033A (S33, L28, S28) Brush Motor #45036A (L38, L33, S38) Seam Location Rotation Ref # Part No. Description 56478A Stator Assembly (w/Magnets & Clips) 46734A Stator Assembly (w/Magnets & Clips) 40312A Armature Asm.(w/B.E.
  • Page 39: Gear Box Assembly Drawing & Parts List

    Ring, Snap 507641 Seal, Oil, Small 52050A Cap End 56668A O'Ring 51176A Bearing, Large 58316A Shaft & Gear, Gearbox 902605 Bearing, Small 54883A Housing 58144A Seal, Oil Large Darina Grease 4oz. Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 39 -...
  • Page 40: Vac Motor

    ® Clarke Encore S28/S33/S38 and L28/L33/L38 Vac Motor Assembly #45019A 6/02 Ref # Part No. Description Ref # Part No. Description 51913A Clip (optional) 59803A Washer - neoprene 54809A Housing 50610A Bracket and shell 53905A 58501A Spacer 85303A Screw - 8-32 x...
  • Page 41: L33/L38 Brake And Transaxle Imperial

    Clarke ® Encore L33/L38 Imperial Transaxle Parts 12/03 PN 59116A Transaxle has black motor All models after SN#YH Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 41 -...
  • Page 42: Volt Battery Charger Drawing & Parts List

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 36 Volt Battery Charger 6/02 WARNING: All electrical repairs must be performed by qualified personnel only. PARTS LIST FOR BATTERY CHARGERS 40506A - 36 Volt D.C., 25A, 115 Volt A.C., 60 Hz 40505A - 36 Volt D.C., 25A, 230 Volt A.C., 50 Hz 40507A - 36 Volt D.C., 25A, 230 Volt A.C., 60 Hz...
  • Page 43 PAGES 44 - 51 COMPONENTS FOR MACHINES WITH A 41135C TRAVERSE CONTROLLER Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 43 -...
  • Page 44: Components For Machines With 41135C Traverse Controller

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 Control Housing Assembly Drawing 12/03 Drawing# 13712A (IX) and 13713A (I) (for machines wtih a 41135C Traverse Controller) 7 12 45 44 19 28 56 ® Clarke Page -44- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 45: Parts List

    81104A Nut, ¼-20 ESNA 61651A Collar 66871A Retainer Key/Hour Meter 60042A Stud, -20 Thread 40083B Module Sequencer 40085A Harness, Sequencer 85388A Screw, 10-24 x ½ L Series 50883A Potentiometer Retainer Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 45 -...
  • Page 46: Rear Cover Assembly Drawing 6/02

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 Rear Cover Assembly Drawing 6/02 Drawing 13712A & 13713A (for machines wtih a 41135C Traverse Controller) ® Clarke Page -46- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 47: Parts List

    Hose Bracket 962957 Screw, 10-16 x ½ 962798 Screw L Series 920296 L Series 77354B Label L Series 77355B Label S Series 77194B Label, Traverse 77221A Serial Tag 83010A Rivet, Pop Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 47 -...
  • Page 48: S28/S33/S38 Electrical Schematic

    ® Clarke Encore S28/S33/S38 Electrical Schematic 6/02 (for machines wtih a 41135C Traverse Controller) Clarke ® Page -48- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 49: S28/S33/S38 Connection Diagram

    ® Clarke Encore S28/S33/S38 Connection Diagram 6/02 (for machines wtih a 41135C Traverse Controller) Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 49 -...
  • Page 50: L28/L33/L38 Electrical Schematic

    ® Clarke Encore L28/L33/L38 Electrical Schematic 6/02 (for machines wtih a 41135C Traverse Controller) ® Clarke Page -50- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 51: L28/L33/L38 Connection Diagram

    ® Clarke Encore L28/L33/L38 Connection Diagram 6/02 (for machines wtih a 41135C Traverse Controller) Clarke ® Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 51 -...
  • Page 52 NOTES ® Clarke Page -52- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 53 PAGES 54-61 COMPONENTS FOR MACHINES WITH A 40089A TRAVERSE CONTROLLER ® Clarke Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 53 -...
  • Page 54: Components For Machines With 40089A Traverse Controller

    ® Clarke Encore S28/S33/S38 and L28/L33/L38 Control Housing Assembly Drawing 12/03 (for machines wtih a 40089A Traverse Controller) 7 12 45 44 19 28 56 ® Clarke Page -54- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 55: Parts List

    Stud, -20 Thread 85388A Screw, 10-24 x ½ L Series 40622A Harness, Traverse L Series 40623A Harness, Traverse S Series 50883A Potentiometer Retainer 42909A Fuse, 5 Amp ACG (included w/item#42) ® Clarke Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 55 -...
  • Page 56: Rear Cover Assembly Drawing 10/02

    Clarke ® Encore S28/S33/S38 and L28/L33/L38 Rear Cover Assembly Drawing 10/02 (for machines wtih a 40089A Traverse Controller) ® Clarke Page -56- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 57: Parts List

    77354B Label L Series 77355B Label S Series 77194B Label, Traverse 77221A Serial Tag 83010A Rivet, Pop 41801A Solenoid, Brush 60552A Bracket, Solenoid Main 920722 Nut, 10 ESNA 912287 Rectifier ® Clarke Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 57 -...
  • Page 58: S28/S33/S38 Electrical Schematic

    Clarke ® Encore S28/S33/S38 Electrical Schematic 4/03 (for machines wtih a 40089A Traverse Controller) ® Clarke Page -58- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 59: S28/S33/S38 Connection Diagram

    ® Clarke Encore S28/S33/S38 Connection Diagram 10/02 (for machines wtih a 40089A Traverse Controller) ® Clarke Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 59 -...
  • Page 60: L28/L33/L38 Electrical Schematic

    ® Clarke Encore L28/L33/L38 Electrical Schematic 8/04 (for machines wtih a 40089A Traverse Controller) ® Clarke Page -60- Operator's Manual -Encore S28/L28/S33/L33/S38/L38...
  • Page 61: L28/L33/L38 Connection Diagram

    Clarke ® Encore L28/L33/L38 Connection Diagram 4/03 (for machines wtih a 40089A Traverse Controller) ® Clarke Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 61 -...
  • Page 62 NOTES...
  • Page 63 29815 John R. Gilwilly Industrial Estate (810) 544-6300 Penrith Cumbria CA11 9BN American Lincoln ® / Clarke, Marietta, Georgia 30066 +44 1768 868 995 1455 Canton Road (770) 973-5225 ALTO France S.A. Strasbourg B.P. 44, 4 Place d’Ostwald F-67036 Strasbourg...
  • Page 64 This Clarke Industrial/Commercial Product is warranted to be free from defects in materials and workmanship under normal use and service for a period of one year from the date of purchase, when operated and maintained in accordance with Clarke's Maintenance and Operations instructions.

This manual is also suitable for:

Encore l28Encore l38Encore s33Encore l33Encore s38

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