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1 hp Die Grinder
Governor Controlled
Models:
52665 – 9,000 RPM, 1/4"
52666 – 12,000 RPM, 1/4"
52667 – 15,000 RPM, 1/4"
52668 – 18,000 RPM, 1/4"
52669 – 20,000 RPM, 1/4"
52685 – 9,000 RPM, 6mm
52686 – 12,000 RPM, 6mm
52687 – 15,000 RPM, 6mm
52688 – 18,000 RPM, 6mm
52689 – 20,000 RPM, 6mm
Read and understand this tool manual before operating your air tool. Follow all safety rules for the protection of operating personnel
as well as adjacent areas. Always operate, inspect and maintain this tool in accordance with the American National Safety Institute
(ANSI) Safety Code for Portable Air Tools – B186.1. For additional safety information, refer to Safety Requirements for the Use, Care
and Protection of Abrasive Wheels – ANSI B7.1, Code of Federal Regulation – CFR 29 Part 1910, European Committee for Standards
(EN) Hand Held Non-Electric Power Tools – Safety Requirements and applicable State and Local Regulations.
Read and understand tool manual before
work starts to reduce risk of injury to
operator, visitors, and tool.
Eye protection must be worn at all times, eye
protection to conform to ANSI Z87.1.
Respiratory protection to be used when exposed
to contaminants that exceed the applicable
threshold limit values required by law.
Carefully Read all instructions before operating or servicing any Dynabrade
Products offered by Dynabrade are not to be modified, converted or otherwise altered from the original design without expressed written consent from Dynabrade, Inc.
Tool Intent: Die Grinders are ideal for removal and polishing of materials using deburring, cleaning and polishing accessories.
Training: Proper care, maintenance, and storage of your tool will maximize its performance.
• Employer's Responsibility – Provide grinder operators with safety instructions and training for safe use of tools and accessories.
Accessory Selection:
• Abrasive/accessory RPM (speed) rating MUST be approved for AT LEAST the tool RPM rating.
• Before mounting an accessory, visually inspect for defects. Do not use defective accessories.
• Mount only recommended accessories. See back page of manual and Dynabrade catalog.
• Follow tool specifications before choosing size and type of accessory.
• Only use recommended fittings and air line sizes. (See tool Machine Specifications table.)
• DO NOT use – cut off wheels or router bits.
Warning: Always wear eye protection. Operator of tool is responsible for following: accepted eye, face, respiratory, hearing and body protection.
Caution: Hand, wrist and arm injury may result from repetitive work, motion and overexposure to vibration.
Air Tool Manual – Safety, Operation and Maintenance
SAVE THIS DOCUMENT, EDUCATE ALL PERSONNEL
WARNING
SAFETY LEGEND
WARNING
WARNING
WARNING
SAFETY INSTRUCTIONS
®
Do Not Use Tool For Anything Other Than Its Intended Applications.
OPERATING INSTRUCTIONS
(continued on next page)
Practice safety requirements. Work alert,
have proper attire, and do not operate tools under
the influence of alcohol or drugs.
Ear protection to be worn when exposure to sound,
exceeds the limits of applicable Federal, State or
local statues, ordinances and/or regulations.
Air line hazard, pressurized supply lines and flexible
hoses can cause serious injury. Do not use damaged,
frayed or deteriorated air hoses and fittings.
Abrasive Power Tool.
February, 2001
WARNING
WARNING
WARNING
PD01•12

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Summary of Contents for Dynabrade 52665

  • Page 1 Abrasive Power Tool. Products offered by Dynabrade are not to be modified, converted or otherwise altered from the original design without expressed written consent from Dynabrade, Inc. Tool Intent: Die Grinders are ideal for removal and polishing of materials using deburring, cleaning and polishing accessories.
  • Page 2: Air System

    (Sloped in the direction of air flow) To Tool Station Regulator Refrigerated Air Dryer Filter Lubricator • Dynabrade Air Power Tools are designed to Ball operate at 90 PSIG (6.2 Bar/620 kPa) maximum Valve ➤ Ball air pressure at the tool inlet, when the tool is Valve running.
  • Page 3: Maintenance Instructions

    • Refer to Dynabrade's Warning/Safety Operating Instructions Tag (Reorder No. 95903) for safety information. After maintenance is performed on tool, add a few drops of Dynabrade Air Lube (P/N 95842) to the air line and start the tool a few times to lubricate air motor.
  • Page 4 51930 12,000 RPM 51931 15,000 RPM 51932 18,000 RPM 51933 20,000 RPM 51934 9,000 RPM 21 Housing 53751 – Model 52665 51990 – Model 52666 2 N•m 51991 – Model 52667 51992 – Model 52668 51993 – Model 52669 53767 – Model 52685 51994 –...
  • Page 5: Housing Disassembly

    .001" - .0015". Adjust clearance by repeating steps 4 and 5 with different shims if necessary. 7. Once proper rotor gap clearance is achieved, install well lubricated 51926 Blades (4) into rotor slots. Dynabrade recommends lubricating blades with 95842 Air Lube.
  • Page 6: Housing Assembly

    2. Install 51945 Valve Seat by aligning 3 male prongs with three deep slots on insert. Make certain valve seat is pressed flat against base of pocket. Note: Add a few drops of Dynabrade Air Lube (P/N 95842) to pocket walls before inserting 51945 Valve Seal. 3. Install 51944 Tip Valve as shown.
  • Page 7: Preventative Maintenance Schedule

    This service chart is published as a guide to expectant life of component parts. The replacement levels are based on average tool usage over one year. Dynabrade Inc. considers one year usage to be 1,000 hours or 50% of a man year. Parts included in motor tune-up kit are identified by High Wear and Medium Wear items.
  • Page 8: Optional Accessories

    Visit Our Web Site: www.dynabrade.com Email: Customer.Service@Dynabrade.com DYNABRADE, INC., 8989 Sheridan Drive • Clarence, NY 14031-1490 • Phone: (716) 631-0100 • Fax: 716-631-2073 • International Fax: 716-631-2524 DYNABRADE EUROPE S.àr.l., Zone Artisanale • L-5485 Wormeldange—Haut, Luxembourg • Telephone: 352 76 84 94 1 • Fax: 352 76 84 95 1 ©...

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