Dynabrade 53521 Safety, Operation And Maintenance Instructions

Dynabrade 53521 Safety, Operation And Maintenance Instructions

1 hp extension polishers

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For Serial No. 8A1000A and Higher
1 hp Extension Polishers
Governor Controlled
Models:
53521 – 3,400 RPM, 1 Extension
53522 – 3,400 RPM, 2 Extensions
53523 – 3,400 RPM, 3 Extensions
FIND THE MOST CURRENT OFFERING OF SUPPORT DOCUMENTS AND ACCESSORIES @ WWW.DYNABRADE.COM
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 Standard
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.
Some dust created by sanding, sawing, grinding, drilling, and other construction activities contain chemicals known to cause cancer,
birth defects or other reproductive harm. Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement and other masonry products
• Arsenic and chromium from chemically treated lumber
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well
ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.
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 Polishers are ideal for polishing materials using polishing accessories.
This power tool is not intended for use in potentially explosive atmospheres and is not insulated against contact with electrical power.
Training: Proper care, maintenance, and storage of your tool will maximize its performance.
• Employer's Responsibility – Provide Extension Polisher 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 polishing accessories, follow manufacturing mounting procedures.
• 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 – Grinding wheels, cut-off wheels, router bits or other products outside tool intent.
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.
(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.
WARNING
®
Abrasive Power Tool.
Model 53522 Shown
WARNING
WARNING
WARNING
PD08•26R
March, 2014
Individual Extension
Length
(8-3/8")

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Summary of Contents for Dynabrade 53521

  • Page 1 Carefully Read all instructions before operating or servicing any Dynabrade 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 Polishers are ideal for polishing materials using polishing accessories.
  • Page 2: Air System

    (6.2 Bar) 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 ➤ air pressure at the tool inlet, when the tool is Ball 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: Complete Assembly

    38 02057 Bearing 39 96445 Pin (2) 40 51924 Gasket 41 All Housings Include: Warning & Specification Labels 20051 Housing – Model 53521 20052 Housing – Model 53522 20053 Housing – Model 53523 42 51949 Safety Lock Lever 43 96444 Pin...
  • Page 5: Assembly Instructions

    6. Check clearance between rotor and front bearing plate by using a .001" feeler gauge. Clarence should be between .001" – .0015". Adjust clearance by repeating steps 4 and 5 with different shims if necessary. 7. Once proper rotor gap clarence is achieved, install well lubricated 51926 Blades (4) into rotor slots. Dynabrade recommends lubricating blades with 95842 Air Lube.
  • Page 6: Housing Assembly

    Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool. Important: Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into inlet with throttle lever depressed. Operate tool for 30 seconds to allow air lube to properly lubricate internal motor components. Motor should now be tested for proper operation at 90 PSIG max. If tool operates at a higher RPM than marked on the tool or if vibration and sound levels seem abnormal, the tool should be serviced to correct the cause before use.
  • 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. Parts included in motor tune-up kit are identified by the letter "T".
  • Page 8: Optional Accessories

    Tel: 1 (202) 512-1803 Rue de Stassart 36 • B - 1050 Brussels, Belgium DYNABRADE, INC. www.dynabrade.com 8989 Sheridan Drive • Clarence, NY 14031-1419 • Phone: (716) 631-0100 • Fax: 716-631-2073 • International Fax: 716-631-2524 © DYNABRADE, INC., 2014 PD08.26R_Rev.2_03/14...

This manual is also suitable for:

5352353522

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