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American 8
Operator's
Manual
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
American Sanders 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 cannot read this manual, have it 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
, 2100 Highway 265, Springdale, Arkansas 72764
Form No. 78149D
5/03
Printed in the U.S.A.

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Table of Contents
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Summary of Contents for American Sanders American Sanders 8

  • 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 American Sanders 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

    Assembly Parts List #2 ............23 Assembly Drawing #3 ..............24 Assembly Parts List #3 ............. 25 Accessories Drawing & Parts List ..........26 Chatter-Wave Prevention ............27 Page 2 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 3: Operator Safety Instructions

    Failure to read the Owner's Manual prior to operating or attempting any service or mainte- nance procedure to your Clarke American Sanders 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 Maintenance and repairs performed by unauthorized personnel could result in damage or injury. Maintenance and repairs performed by unauthorized personnel will void your warranty. Servicing of this unit must always be referred to an authorized Clarke American Sanders distributor. CAUTION: Use of this machine to move other objects or to climb on could result in injury or damage.
  • Page 5: Introduction And Machine Specifications

    See parts list for optional wheels. Always consult with the flooring manufacturer on the proper installation, preparation, and finishing of their product. Determine suitability of your equipment in preparing the product. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 5...
  • Page 6: 230V Electrical Connection Instructions

    0 - 100' 100 - 250' Use Voltage Booster If motor appears to labor or takes a considerable longer time to come up to speed reduce sanding pressure. Page 6 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 7: How To Transport The Machine

    3. Resecure the motor to the chassis. 4. Install the fan belt. 5. Install the belt cover. 6. Reconnect the handle plug. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 7...
  • Page 8: Machine Set-Up

    5. Fold the other end of the abrasive over the end of the template and crease. 6. Repeat steps 4 and 5 for remaining notch. 7. Lift the drum cover. Page 8 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 9 13. Close the cover. NOTE: When using #4 or 4½ grit abrasive, remove the large grains from the folded Figure 4 ends. To remove the grains, rub the folded ends together. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 9...
  • Page 10: How To Operate The Machine

    Hitting a nail while sanding can cause sparks and create an explo- sion or fire. Always use a hammer and punch to countersink all nails before sanding floors. Page 10 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 11 (the end of your pass) by easing the contact wheel up with the control lever. Stagger the termination points for a better blend when edging. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 11...
  • Page 12 C. Second pass forward, overlap ½ the drum width. second path forward, etc..for the entire room. E. Work the remaining unsanded floor in the same fashion, right to left. Figure 6 Page 12 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 13: Sanding Cuts And Sandpaper

    945510 surface is desired. 120 grit For final sanding of certain conifers. 945511 150 grit For final sanding of certain conifers where a smooth 945512 surface is desired. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 13...
  • Page 14: Sander Adjustment Procedures

    8. Tighten belt and secure motor to chassis. 9. Install the fan belt. 10. Install the belt guard. Page 14 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 15 1. Loosen the locknut on the control rod. See figure 9. Figure 9 2. Screw the control rod adjuster out until desired reach is found. 3. Tighten the locknut. Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 15...
  • Page 16: Routine Maintenance

    Idler pulley after 1st 1500 hrs. Fan shaft after 1st 2500 hrs. Arbor shaft after 1st 5000 hrs. Motor shaft after 1st 5000 hrs. Page 16 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 17: Troubleshooting

    Drum out of round. Contact an authorized dealer. surface (close evenly spaced ) or replace the drum. Drum vibration. Change shim combination. Remove debris from surface or ends of drum. Chatter Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 17...
  • Page 18 NOTES Page 18 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 19: Wiring Diagram 4/93

    American Sander 8 Wiring Diagram 4/93 Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 19...
  • Page 20: Assembly Drawing #1

    Model American 8 Floor Sander Drawing #1 Handle Assembly 12/00 Page 20 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 21: Assembly Parts List #1

    -16 X 1" Hex St Mach 21105C Mount - Handle 980652 Washer -.319 x .586 x .078 St Lk 980638 Washer - Lt Spring Type 41707A Connector 67143A Rod Control 45608A Plug Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 21...
  • Page 22: Assembly Drawing #2

    Model American 8 Floor Sander Drawing #2 12/00 Page 22 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 23: Assembly Parts List #2

    Motor Parts Not Illustrated Part # Description Qty. Part # Description Qty. 50563A End Bell 51188A Bearing Front 52768A Front Cover 902547 Bearing Rear 53998A 40316A Armature Assembly 52769A Fan Cover Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 23...
  • Page 24: Assembly Drawing #3 5/03

    American 8 Floor Sander Assembly Drawing #3 5/03 31 26 Optional Optional Urethane Caster Wheels Urethane Wheels 55 54 Page 24 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 25: Assembly Parts List #3 5/03

    67817A Spacer 81209A Nut, ½-13 Flange 85806A Screw, ¼-20 x ¾ 87007A Washer, ¼- ¾ x .06 61333A Wheel, Caster 4" 51226A Bearing 747304 Ring, Retaining 61355A Spacer Clarke ® American Sanders American 8 Floor Sander Operator's Manual Page 25...
  • Page 26: Accessories Drawing & Parts List

    Part No. Description 60724A Belt, Operating 59811A Wrench, End ¾ x 59810A Wrench, End 59815A Wrench 64415A Handle, Carrying 42201A Cord Set 230V 60Hz 40010A Cable Australia 68315A Template Page 26 Clarke ® American Sanders American 8 Floor Sander Operator's Manual...
  • Page 27: Chatter-Wave Prevention

    Chatter - Wave Prevention Clarke American Sanders are designed and manufactured to the most rigid tolerances. However, after a finish- ing cut it is possible to see “chatter” or “waves”. The best guarantee to remove the chatter is to finish the floor with a rotating horizontal sander, such as Clarke American Sanders’s Sander 16.
  • Page 28 6) PULLEYS..that are damaged or severly worn can induce vibration and cause “chatter”. Contact your Clarke American Sanders dealer for assistance. Clarke American Sanders is not responsibile for rework of floors that are unacceptable to the customer. It is your responsibility to insure your equipment is in proper operating order, and...
  • Page 29 ALTO Cleaning Systems (UK) Ltd., Penrith (810) 544-6300 Gilwilly Industrial Estate Penrith American Lincoln ® / Clarke, Marietta, Georgia 30066 Cumbria CA11 9BN 1455 Canton Road +44 1768 868 995 (770) 973-5225 ALTO France S.A. Strasbourg B.P. 44, 4 Place d’Ostwald...
  • Page 30 (b). Return the product to the nearest Clarke American Sanders repair location. Transportation charges to and from the repair location must be prepaid by the purchaser. (c). Clarke American Sanders will repair the product and or replace any defective parts without charge within a reasonable time after receipt of the product.

This manual is also suitable for:

American 8

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