Clarke OBS-18DC Operator's Manual

Clarke OBS-18DC Operator's Manual

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Division of
Operator's
OBS-18
Manual
OBS-18DC
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 operators cannot read English, have this manual explained fully before attempting to operate
this machine.
Si Ud. 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. 70288B 1/03
Printed in the U.S.A.

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Table of Contents
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Summary of Contents for Clarke OBS-18DC

  • 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

    Operating Instructions ..............6 Troubleshooting ................7 Assembly Drawing ..............8 Assembly Parts List ..............9 Assembly Drawing (OBS18 DC) ..........10 Electrical Schematics ..............11 Sanding Cuts and Sandpaper ........... 12 American Sanders OBS-18/18 DC Operator's Manual Page 2 Clarke ®...
  • Page 3: Operator Safety Instructions

    Owner's Manual and on your machine. DANGER: Failure to read the Owner's Manual prior to operating or servicing your Clarke American Sanders machine could result in injury to you or to other personnel; damage to the ma- chine or to other property could occur as well. You must have training in the operation of this machine before using it.
  • Page 4: Introduction And Machine Specifications

    Introduction & Machine Specifications The OBS-18 or OBS-18DC can be used on a variety of surfaces. It is an ideal tool for wood flooring maintenance and restoration work. It is also suitable for cleaning hard surfaces such as tile or Terrazzo.
  • Page 5: Machine Setup

    3/8" or thinner. WARNING: Never put yourself or let others be in a position to get injured if the machine should tip or fall, while replacing the pad or changing abrasive. American Sanders OBS-18/18 DC Operator's Manual Clarke ® Page 5...
  • Page 6: Operating Instructions

    CAUTION: To prevent damage to the flooring and to reduce swirling, keep the machine in motion while the motor is running. Figure # 4 NOTE: For sanding cuts and sandpaper, see page 9. American Sanders OBS-18/18 DC Operator's Manual Page 6 Clarke ®...
  • Page 7: Troubleshooting

    Check power supply and connection Interlock not depressed. Depress Interlock before activating control lever. Defective switch/ Bad connection Contact an authorized Clarke American Sanders Dealer. Motor fails to start / runs Low voltage from excessive length Use a 14 Ga extension cord, not to sluggish.
  • Page 8: Assembly Drawing

    OBS-18 Assembly Drawing 1/03 28 29 60 61 American Sanders OBS-18/18 DC Operator's Manual Page 8 ® Clarke...
  • Page 9: Assembly Parts List

    50' 14- S0 Gray Rubber Jacket w/NEMA 5-15P Plug 40524A 15m HO7RNF 3G1.0 mm w/AU1-10P Plug 40523A 15m HO7RNF 3G1.0 mm w/Schuko Plug 230V~50 Hz 50870A 15m HO5VVF 3G1.5 mm Yellow Jacket w/UK1-13P American Sanders OBS-18/18 DC Operator's Manual Clarke ® Page 9...
  • Page 10: Assembly Drawing (Obs18 Dc)

    Sq. x 1 81217A Nut, ¼-20 980646 Washer, ¼ Plain 32404A Cover, Blower Housing 87617A Washer, Felt ½ x 1¼ x ¼ 50275A Fan Cover (OBS-18DC) 68806A Weight, Skirt 10 68807A Weight, Skirt 17 38109A Seal, Dust Pipe 40545A Motor Fan 10478A Asm., Blower Housing Cover 1...
  • Page 11: Electrical Schematics

    OBS-18 & 18DC 120v 60 Hz & 230v 50Hz Electrical Schematic 10/98 OBS-18 & 18DC 230v 50 Hz "CE" Electrical Schematic 10/98 American Sanders OBS-18/18 DC Operator's Manual Clarke ® Page 11...
  • Page 12: Sanding Cuts And Sandpaper

    For leveling after initial finish coat. 150 grit For scratching surface between coats of finish 945964/20 screen mesh 180 grit For surface roughing between coats of finish. 945965/20 screen mesh American Sanders OBS-18/18 DC Operator's Manual Page 12 Clarke ®...
  • Page 13 ALTO Nederland B.V. Vianen (770) 973-5225 Stuartweg 4C NL-4131 NJ Vianen +31 347 324000 Clarke ® Clarke American Sanders ALTO Sverige AB, Molndal (Sweden) A.L. Cook Aminogatan 18 Customer Service Headquarters and Factory Box 4029 2100 Highway 265 S-431 04 Molndal...
  • Page 14 (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:

Obs-18

Table of Contents