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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 ALTO 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 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:  ALTO U.S. Inc.,  2100 Highway 265, Springdale,  Arkansas  72764.

Operator's

Manual

ENCORE

S20/L20

Form No. 74836B

6/01

CLARKE TECHNOLOGY                                            Printed in the U.S.A.

 

E

Summary of Contents for Encore L20

Page 1: ...this machine before using it If 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 Ingl s se hagan expli...

Page 2: ...er Drawing and Parts List 51 Gearbox Assembly Drawing and Parts List 52 Brush Motor Assembly Drawing and Parts List 53 Transaxle Repair Parts 54 Encore L20 Connection Diagram 55 Encore L20 Electrical...

Page 3: ...mmable materials and vapors Do not use this machine with or near fuels grain dust solvents thinners or other flammable materials This machine is not suitable for picking up hazardous dust DANGER Lead...

Page 4: ...ttached or fastened to the machine Get replacement labels and decals from your Clarke Technology distributor WARNING Wet floor surfaces can be slippery Water solutions or cleaning materials used with...

Page 5: ...cm Sound Level DBA 74 at 5 feet 74 at 1 5 meters Cleaning Swath 20 inch 51 cm Grade Cleaning 5 Incline Weight 468 lbs w 2 871334A batteries 212 28 kg w 2 871334A batteries Shipping Weight 607 lbs w we...

Page 6: ...on a level surface When you stop the machine put all switches into their OFF position 1 Make sure the loading ramp is at least eight 8 feet long and a minimum of 32 wide and strong enough to support...

Page 7: ...e machine WARNING The machine is heavy Make sure you use two able persons to assist in moving the machine down the ramp 6 On S20 model get two people to pull machine off ramp It is recommended that th...

Page 8: ...tons are pushed To shut brush motor off raise handle to top position A B D G H I Key Switch See Figure 3 Item A The key switch turns ON the power to the control panel O is OFF and I is ON Forward Reve...

Page 9: ...hut Off See Figure 6 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 NOTE If excessive foaming in recovery...

Page 10: ...ttery cables between batteries and install long battery cable assembly as indicated See figure 8 6 Join the connector from the battery pack to the connector on the control panel See figure 9 7 Lowerre...

Page 11: ...the tops of the batter ies Never add acid to a battery after installation CAUTION Tap water may contain contami nants that will damage batteries Batteries must be refilled with distilled water only 2...

Page 12: ...his procedure 1 Put the charger on a flat surface Make sure the vents on the sides are at least two inches away from walls and other objects Make sure there are no objects near the vents on the bottom...

Page 13: ...ure 15c 6 Align the lugs on the motor with the slots in the brushgimbal 7 Pull the brush up and rotate counter clockwise until gimbal locks 8 Replace brush housing and close brush motor cover How To R...

Page 14: ...n Tank The solution tank lid is at the front To fill the solution tank follow this procedure 1 Raise the solution tank lid 2 Add a cleaning chemical to the solution tank For the correct amount of chem...

Page 15: ...reverseswitch 9 To reverse the machine push in the white reverse switch figure 18 item B and either the right or left forward reverse switch figure 18 item A at the sametime NOTE Anytimethemachineisr...

Page 16: ...on the floor Pre wet brush pad or keep light pressure on brush until solution flow is adequate to keep brush padfromscratchingfloor 7 Turn the solution knob to the right to activate the flow of solut...

Page 17: ...CLARKE TECHNOLOGY Operator s Manual Encore S20 L20 Page 17 ENCORE S20 L20 Section II Parts and Service Manual 74836B...

Page 18: ...ries for a full 16 hour charge Have an authorized service person repair the charger Check voltage of each cell while discharging Connect the batteries Run in float position PROBLEM CAUSE ACTION The so...

Page 19: ...or switch is off Batteries are unplugged Battery terminals are dirty Batteries are discharged Reset the circuit breaker Turn key or switch on Check the battery connections Check battery gauge and rec...

Page 20: ...d before servicing the machine 1 Disconnect the plug on the charger from the connector on the back of the machine See figure 1 2 Join the connector from the batteries 1 to the control panel cable conn...

Page 21: ...t enter the opening for the vacuum motor See figure 2 3 If a tank or drain hose has an obstruction use a high pressure water hose to flush the tank or hose Put the water hose into the drain hose 4 Lea...

Page 22: ...nstalla tion WARNING Always wear eye protection and pro tective clothing when working near batteries NO SMOKING 1 To inspect batteries tip up recovery tank and latch the stop to hold the tank up See F...

Page 23: ...ease the pressure loosen the bolt and slide squeegeemountup Adjusting Squeegee Tilt The tilt of the squeegee causes the rear blade to raise up in the center or on the ends depending on which direction...

Page 24: ...on to do the service procedures Use only genuine Clarke Technology parts How to Clean the Solution Line If the solution line becomes clogged follow this procedure 1 Turn key switch OFF and remove the...

Page 25: ...achine 871335 Battery 195 AH Dry 12 Volt 2 51453D PadDriver 40513A 24 VDC 25 Amp 230V 50 Hz Battery Charger 00885A Breakdown 00880A Encore L20 Base Machine 871376 Battery 95 AH Wet 12 Volt 2 51447D 20...

Page 26: ...3A 24 VDC 25 Amp 230V 50 Hz Battery Charger 00894A Breakdown 00890A Encore S20 Base Machine 871335 Battery 195 AH Dry 12 Volt 2 51453D PadDriver 40513A 24 VDC 25 Amp 230V 50 Hz Battery Charger 00895A...

Page 27: ...58531A Dual Direction Clutch Plate 30034A Spacer for Clutch Plate 30034A 58530A Clutch Plate Screws 962819 ClutchPlateNuts 80084A Grit Brush Dual Direction 51450D Poly Brush Dual Direction 51447D Cle...

Page 28: ...s Manual Encore S20 L20 CLARKETECHNOLOGY Encore S20 L20 Final Assembly Drawing 6 00 1 2 3 4 7 8 9 5 6 7 15 12 11 10 6 7 16 13 17 18 19 20 21 23 22 23 28 25 26 27 Recommended 12 ft lbs torque also appl...

Page 29: ...w 3 8 16 x 1 0 4 4 15 See Pg 39 TransaxleAsm Ref See Pg 40 AxleAsm Ref 16 980638 Washer Lock 3 8 4 4 17 See Pg 41 Lift Asm Brush Ref Ref 18 44809B Motor Brush 1 1 19 41601A Connector 2 2 20 41602A Hou...

Page 30: ...ator s Manual Encore S20 L20 CLARKETECHNOLOGY EncoreS20 L20 Recovery Tank Assembly Drawing 4 01 1 2 3 5 4 6 7 8 9 10 11 12 13 14 13 15 16 17 18 19 4 20 21 22 23 24 27 25 26 28 29 25 30 31 32 33 34 35...

Page 31: ...1 16 832002 Clamp 1 17 839401 Valve Drain 1 18 65503A Latch Recovery 1 19 833407 Gasket Drain 1 20 833901 Drain Valve Handle 1 21 962943 Screw 8 18 x PN 1 22 52206A Chain 1 23 962987 Screw 10 24 x 3...

Page 32: ...nual Encore S20 L20 CLARKETECHNOLOGY EncoreS20 L20 Solution Tank Assembly Drawing 6 01 S20 only L20 only 27 28 39 29 30 31 37 36 35 34 31 32 33 22 20 19 18 40 13 14 15 41 16 14 42 17 21 14 23 24 25 26...

Page 33: ...se 1 19u 838517 Filter Screen 1 1 20u 51205A Adapter Swivel 3 8 NPT to GHT 1 1 21u 30172A Hose Braided 375 ID x 16 1 1 22u 51204A Valve Solution Shut Off 1 1 23 52414A Connector Straight Hose Tank 2 2...

Page 34: ...HNOLOGY EncoreS20 L20 Rear Panel Assembly Drawing 5 99 1 45 3 2 4 5 12 3 9 10 11 13 14 15 17 16 19 7 17 16 18 11 10 13 14 15 44 20 Harness redwires 28 29 15 3 25 21 22 23 22 24 44 7 24 22 23 22 37 36...

Page 35: ...Wear Vac 1 1 19 920346 Nut Pal 1 1 20 61260A Squeegee Lift Plate 1 1 21 64901A Handle Lift Squeegee 1 1 22 980692 Washer Flat 5 16 SS 4 4 23 438360 Spring 2 2 24 80028A Bolt Shoulder 5 16 x 1 0 2 2 25...

Page 36: ...11 912226 Meter Hour 1 12 962262 Screw Set 8 32 x 2 1 13 55502A Knob 2 1 14 32405A Panel Control L20 1 32413A Panel Control S20 1 15 87052A Washer Switch 1 1 16 55413A Key included with 9 2 2 17 66988...

Page 37: ...vel Squeegee 1 9 170915 Screw 20 x 3 4 4 10 920208 Nut 20 Plated 4 11 962481 Screw 20 x 1 Hex 2 12 85730A Screw 3 8 16 Hex 1 13 87031A Washer Flat 3 8 SS 3 14 69860B Pin Bracket Weldment 1 16u 34260B...

Page 38: ...t Squeegee Inlet 1 1 11 37016A Pad Squeegee Grip 1 1 12 80011A Screw 3 8 16 x 3 CR S S 2 2 13 55722A Latch Squeegee Strap 1 1 14 62442A Clamp Squeegee 29 1 62445A Clamp Squeegee 33 1 15 170932 Rivet P...

Page 39: ...ransaxle 2 13 81105A Nut 3 8 16 ESNA 4 14 962620 Screw Hex 5 16 24 x 3 4 2 Ref Part No Description Qty 15 980652 Washer Lock 5 16 2 16 980205 Washer 2 17 61675A Caster 1 18 61252A Bracket Squeegee 1 1...

Page 40: ...12 57423A Ring Retainer 2 Ref Part No Description Qty 13 81105A Nut 3 8 16 ESNA 4 14 962620 Screw Hex 5 16 24 x 3 4 2 15 980652 Washer Lock 5 16 2 16 980205 Washer 2 17 61675A Caster 1 18 61252A Brac...

Page 41: ...Bolt Shoulder 3 8 x 3 8 2 12 980692 Washer 1 Ref Part No Description Qty 13 69861A Bracket Motor Brush 1 14 56493A Spring 1 15 53607A Hosebarb 1 16 59610A Valve Solution Ref 17 85391A Screw 20 x 2 18...

Page 42: ...y 1 35241B Housing Brush S20 1 2 636706 Pin 1 3 980603 Washer 4 4 962798 Screw 10 24 x 4 5 84237A Screw 10 32 x 8 6 38241A Skirt Fibers 1 7 82004A Nut 10 32 T 8 8 920278 Nut 20 S S Jam 2 9 62438A Brac...

Page 43: ...7 836711 Clip 2 8 67161A Rod Brake 1 9 81104A Nut 20 ESNA 2 10 87026A Washer Flat 1 11 848508 Swivel Rod Brake 1 12 920110 Nut 5 16 18 ESNA 4 13 848302 Spring Arm Brake 1 14 81105A Nut 3 8 16 ESNA 1...

Page 44: ...Clamp 2 9 51526A Barb 90 1 10 51518A Bushing 1 11 962862 Screw 10 24 x 1 4 12u 30172A Hose 8 1 13 692870 Elbow Swivel 1 14 45937A Pump 1 15 53631A Elbow Swivel Pump 2 16 722030 Hose clamp 3 17 30451A...

Page 45: ...List Brush Meter Kit 10667A Parts included in Kit 1 40218A Brush Meter 1 79045A Instruction Sheet 1 49775A Brush Meter Harness 1 699202 CableTies CLARKETECHNOLOGY Encore S20 Parts List Hour Meter Kit...

Page 46: ...lve only 2 1 44308A Solution Control Module 3u 1 53607A Hosebarb Elbow 4 1 59610A Solution Valve 5 2 85391A Screw 20 6 2 81104A Nut 20 ESNA 7 1 30131A Hose Adapter 8 1 198078 Filter Screen NI 1 49776A...

Page 47: ...3607A Hosebarb Elbow 4 1 59610A Solution Valve 5 2 85391A Screw 20 6 2 81104A Nut 20 ESNA 7u 1 30131A Hose Adapter not used on models w solution shut off valve 8 1 198078 Filter Screen NI 1 49776A Har...

Page 48: ...Page 48 CLARKE TECHNOLOGY Operator s Manual Encore S20 L20 CLARKETECHNOLOGY EncoreS20 L20 Low Voltage Cut Off Kit 14097A...

Page 49: ...22 47320A Toggle Switch 1 23 49771A Harness Wiring 1 Ref Part No Description Qty 24 53607A Elbow Hosebarb 1 25 722021 Clamp Hose 4 26 41431A Circuit Breaker 35A 1 27 30450A Hose Clear 14 1 28 692870 E...

Page 50: ...11 59803A Washer Neoprene 1 12 Bracket Fan End 1 13 Spacer 1 Ref Part No Description Qty 14 53914A Fan Rotating 2 15 658201 Spacer 2 16 Fan Stationary 1 17 Shell Fan 1 18 Spring Load 1 19 Fan Air Sea...

Page 51: ...Cord 747553 747553 10 D C Cord Assembly 51986A 51986A 11 A C Cord Assembly 51974A 908947 12 Housing Red 911470 13 D C Plug Lock Key 795020 795020 CLARKETECHNOLOGY EncoreS20 L20 Battery Charger Drawing...

Page 52: ...Qty 1 57846A Ring Snap 1 2 507641 Seal Oil Small 1 3 52050A CapEnd 1 4 56668A O Ring 1 5 51176a Bearing Large 1 6 58316A Shaft Gear 1 7 902605 Bearing Small 1 8 54883A Housing 1 9 58144A Seal Oil Lar...

Page 53: ...y Leads 6 50520A Commutator Bracket 1 7 56480A Strain Relief 2 8 962546 Brush Board Screw 2 9 50517A Brush Board Assembly w Springs Brushes 1 10 448396 Brush Spring 4 11 40826A Brush Assembly 4 12 556...

Page 54: ...01 1 2 3 4 5 COUPLER 6 7 8 9 10 11 12 3 06 dia 13 CommutatorEndbelland Brush Assembly Installation Instructions 1 With motor still fastened to transaxle gearbox remove old endbell by backing off the t...

Page 55: ...CLARKETECHNOLOGY EncoreL20 Connection Diagram 00880A W 7 97 Page 55 CLARKE TECHNOLOGY Operator s Manual Encore S20 L20...

Page 56: ...CLARKE TECHNOLOGY Operator s Manual Encore S20 L20 Page 56 CLARKETECHNOLOGY EncoreL20 Electrical Schematic 00880A E 7 97...

Page 57: ...Page 57 CLARKE TECHNOLOGY Operator s Manual Encore S20 L20 CLARKETECHNOLOGY Encore S20 Connection Diagram 00890A W 7 98...

Page 58: ...CLARKE TECHNOLOGY Operator s Manual Encore S20 L20 Page 58 CLARKETECHNOLOGY Encore S20 Electrical Schematic 00890A E 7 98...

Page 59: ...orway Bjornerudveien 24 N 1266 47 2275 1770 CLARKETECHNOLOGY AMERICAN SANDERS TECHNOLOGY A L COOK TECHNOLOGY Customer Service Headquarters and Factory 2100 Highway 265 Springdale Arkansas 72764 501 75...

Page 60: ...echnology repair location Transportation charges to and from the repair location must be prepaid by the purchaser c Clarke Technology will repair the product and or replace any defective parts without...

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