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Clarke OBS-18 - User Manual

Clarke OBS-18
33 pages
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Questions and Answers

  • M
    Miss Sarah ClarkJul 26, 2025
    What to do if the Clarke OBS-18 motor fails to start or runs sluggish?
    • M
      murraybrandonJul 26, 2025
      If your Clarke Sander's motor fails to start or runs sluggishly, the problem might be low voltage due to an excessively long or undersized extension cord. Try using a 14 Ga extension cord that doesn't exceed 50 feet in length. If this doesn't solve the issue, the start capacitor, start switch, or motor may be defective.
  • B
    Brandy EricksonAug 1, 2025
    What to do if my Clarke OBS-18 motor will not start?
    • W
      Wendy HullAug 2, 2025
      If the motor of your Clarke Sander won't start, first check the power supply and connection. Ensure the interlock is depressed before activating the control lever.
  • M
    Michele PhillipsAug 8, 2025
    Why does my Clarke OBS-18 Sander motor fail to start or run sluggishly?
    • W
      Wayne GarciaAug 8, 2025
      Your Clarke Sander motor may fail to start or run sluggishly due to low voltage from an excessively long or undersized extension cord. Try using a 14 Ga extension cord, not exceeding 50' in length.
  • J
    Joe BaileyAug 14, 2025
    How to fix a Clarke OBS-18 when the motor will not start?
    • T
      Tiffany CooperAug 14, 2025
      If the motor of your Clarke Sander won't start, first ensure it's getting power by checking the power supply and connections. Also, make sure the interlock is depressed before you activate the control lever. If these steps don't resolve the issue, it could be a defective switch or a bad connection.
  • L
    Lori BoydAug 19, 2025
    Why does the fuse/circuit breaker repeatedly trip on my Clarke Sander?
    • M
      Michael ThorntonAug 19, 2025
      If the fuse or circuit breaker repeatedly trips when using your Clarke Sander, it could be due to low voltage. Try eliminating the extension cord or locating the power source closer to the work site. It is also possible that the motor is defective.

Summary

Operator Safety Instructions

Operational Safety Risks

Covers risks like fire, explosion, electrocution, and shock from improper operation.

Personal Safety and Material Handling

Emphasizes protective gear, avoiding pressure-treated wood, and safe handling.

Machine Modifications and Warranty

Warns against unauthorized alterations that void warranty and cause risks.

Introduction and Machine Specifications

Machine Transportation

Procedure for safely moving the machine to a work location.

Machine Setup

Pad Installation and Replacement

Steps for installing or replacing the floor pad on the machine driver.

Machine Setup for Dust Collection

Remote Vacuum Dust Collection

Instructions for connecting a remote vacuum system using 2" or 1.5" hoses.

Included Dust Bag Installation

Steps for installing, using, and emptying the dust bag.

Operating Instructions

Sanding Operation

Procedure for operating the machine as a sander, including abrasive installation.

Polishing Operation

Procedure for operating the machine as a polisher, including pad and abrasive handling.

Troubleshooting

Sanding Cuts and Sandpaper

Assembly Drawing

Parts List

OBS-18 DC Assembly Drawing

Electrical Schematic

Clarke OBS-18 Specifications

General IconGeneral
BrandClarke
ModelOBS-18
CategorySander
LanguageEnglish

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