Dynabrade 52719 Safety, Operation And Maintenance Instructions

1 hp cone or plug grinder 6" extension, governor controlled

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1 hp Cone or Plug Grinder
6" Extension, Governor Controlled
Models:
52719 – 12,000 RPM
52720 – 15,000 RPM
52721 – 18,000 RPM
52722 – 20,000 RPM
Read and understand this tool manual before operating your air tool. Follow all safety rules for the protection of operating person-
nel 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: Extension Cone or Plug Grinders are ideal for smoothing weld seams, cleaning castings and preparing surfaces for plating or painting.
Training: Proper care, maintenance, and storage of your tool will maximize its performance.
• Employer's Responsibility – Provide extension cone or plug 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. Air supply hoses and air hose assemblies must have a minimum working pressure rating of 150 PSIG (10 bars, g) or 150
percent of the maximum pressure produced in the system, whichever is higher. (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.
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 dam-
aged, frayed or deteriorated air hoses and fittings.
Abrasive Power Tool.
Parts Page Reorder No. PD02•26R
Effective May, 2002
Supersedes PD02•26
WARNING
WARNING
WARNING

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Summary of Contents for Dynabrade 52719

  • 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: Extension Cone or Plug Grinders are ideal for smoothing weld seams, cleaning castings and preparing surfaces for plating or painting.
  • 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 51932 18,000 RPM Models 51933 20,000 RPM Models 27 All Housings Include: Warning & Specification Labels 17 N•m 53742 Housing – Model 52719 53743 Housing – Model 52720 53744 Housing – Model 52721 53745 Housing – Model 52722 28 96444 Pin 2 N•m...
  • Page 5 1. Secure housing using 51989 Repair Collar ( see back cover for Optional Accessories ). 2. Remove inlet bushing (twist counterclockwise). 3. Models 52719 & 52720; Remove 51943 Spring, 96442 O-Ring, 51940 Spacer and 51939 Silencer Plate from 51937 Inlet Bushing. Remove 51941 spring and 51942 Baffle from housing.
  • Page 6: Housing Assembly

    4. Install 51944 Tip Valve as shown. 5. Models 52719 & 52720 Only: Slide 51942 Baffle into housing long end in first, and place 51941 Spring into shallow wall end of baffle. 6. Models 52719 & 52720 Only: Pre-assemble 51937 Inlet Bushing by sliding 51939 Silencer Plate, 51940 Spacer over male thread and set 96442 O-Ring into groove at the base of thread.
  • 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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