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Central Machinery 35098 - User Manual

Central Machinery 35098
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8” WET / 6” DRY GRINDER
35098
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools
®
.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright
©
1996, 2009 by Harbor Freight Tools
®
. All rights reserved. No portion of this manual or any
artwork contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 09h

Questions and Answers

  • K
    Kaitlin ButlerJul 29, 2025
    How to troubleshoot a Central Machinery Grinder that will not start?
    • K
      kathrynsampsonJul 29, 2025
      If your Central Machinery Grinder won't start, first ensure the power cord is properly connected to the outlet. Then, check if the outlet has power. If the outlet is unpowered, turn off the grinder and check the circuit breaker. If the breaker is tripped, verify the circuit has the correct capacity for the grinder and isn't overloaded with other devices.
  • S
    Scott SmithAug 3, 2025
    Why is my Central Machinery 35098 Grinder overheating and what to do?
    • V
      Valerie DouglasAug 3, 2025
      If your Central Machinery Grinder is overheating, consider these potential causes and solutions: 1. Avoid forcing the machine to work too quickly; allow it to operate at its own pace. 2. Check and correct the alignment of the accessory to the fence or table. 3. Ensure grinding accessories are in good working condition and replace them if needed. 4. If using an extension cord, eliminate it if possible. If necessary, use an extension cord with the proper diameter for its length and the load.
  • P
    pmitchellAug 7, 2025
    Why is my Central Machinery 35098 Grinder operating so slowly?
    • D
      daltonashleyAug 7, 2025
      If your Central Machinery Grinder operates slowly, it might be due to an extension cord that is either too long or has a wire size that is too small. Try eliminating the extension cord. If you need to use one, choose a shorter cord with a heavier gauge.
  • S
    Steven BooneAug 11, 2025
    What to do if the wheel on my Central Machinery Grinder runs unevenly?
    • M
      Megan SalazarAug 11, 2025
      If the wheel on your Central Machinery Grinder runs unevenly or wobbles, it could be due to a few reasons. First, check that the wheel is secured in place. If the wheel is faulty, replace it. If neither of those solutions work, the bearings may be damaged or misaligned, and you should have the tool serviced by a qualified technician.
  • M
    michelle02Aug 15, 2025
    Why does my Central Machinery 35098's performance decrease over time?
    • S
      Steven FloresAug 15, 2025
      If the performance of your Central Machinery Grinder decreases over time, the grinding accessory may be dull or damaged. Keep grinding accessories in working order and replace them as needed.
  • J
    Jacob ThomasAug 20, 2025
    Why is my Central Machinery 35098 Grinder making excessive noise?
    • C
      Chad WrightAug 20, 2025
      If your Central Machinery Grinder is making excessive noise or rattling sounds, it could be due to internal damage or wear. In this case, have a technician service the tool.
  • N
    Nichole LyonsAug 25, 2025
    What to do if the wet wheel of my Central Machinery 35098 doesn't turn on?
    • J
      Jennifer NavarroAug 25, 2025
      If the wet wheel on your Central Machinery Grinder does not turn when the power is on, the wet wheel assembly may be loose. Tighten Nut (11) to secure the wet wheel in place, but be careful not to over-tighten it and crack the plastic Flanges (8/10).

Summary

Important Safety Information

Safety Alert Symbol Definitions

Explains DANGER, WARNING, CAUTION, and NOTICE symbols for hazard communication.

General Tool Safety Warnings

Crucial safety guidelines for operating power tools, covering work area, guards, and user protection.

Grounding Instructions

110-120 V Grounded Tools

Specific guidance for connecting and using 110-120V tools with three-prong grounding plugs.

Grinder Safety Warnings

Position of Grinder

Safe placement and cord management practices to prevent hazards.

Extension Cords

Guidelines for selecting and using appropriate extension cords for safe operation.

Vibration Safety

Health Precautions for Vibration Exposure

Advises on medical checks and symptoms related to prolonged tool vibration exposure.

Specifications

Unpacking

Instructions for Putting into Use

Safety Before Operation

Crucial safety warning to turn off and unplug the tool before assembly or adjustments.

Assembly

Components

Identification and listing of all parts included with the grinder.

Work Piece and Work Area Set Up

Guidelines for preparing the work area and positioning the grinder safely.

Securing Grinder

Instructions on how to properly mount and secure the grinder to a stable surface.

Attaching the Eye Shield Assembly

Step-by-step guide for attaching the eye shield to the spark guard assembly.

Grinding Wheels

Replacing Dry Grinding Wheel

Detailed steps for safely removing and replacing the dry grinding wheel.

Replacing Wet Grinding Wheel

Detailed steps for safely removing and replacing the wet grinding wheel.

Ring Test for Grinding Wheel

Procedure to check for cracks or damage in grinding wheels before use.

General Operating Instructions

Turning the Grinder on and off

Basic steps for powering the grinder on and off safely.

Emptying the Water Reservoir

Instructions for safely draining and disposing of water from the reservoir.

Dressing the Wheel

Process for restoring wheel surfaces by removing dull particles.

Using the Grinder

Grinding Techniques

Guidance on grinding various tools like chisels and center punches.

Workpiece Cooling and Resharpening

Advice on preventing overheating and managing workpiece temper during grinding.

Maintenance and Servicing

Cleaning, Maintenance, and Lubrication

Procedures for cleaning the tool, reservoir, and checking wheel condition.

Troubleshooting

Parts List

Assembly Diagram

Limited Warranty

Central Machinery 35098 Specifications

General IconGeneral
BrandCentral Machinery
Model35098
CategoryGrinder
LanguageEnglish

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