Dynabrade 52863 Manuel - Page 2

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• Before mounting an accessory, visually inspect for defects. Do not use defective accessories.

• Always match collet insert with accessory shaft size. i.e. 1/8" shaft = 1/8" collet insert

• Follow tool specifications before choosing size and type of accessory (see pg. 7 for ANSI Group W plain wheels).

• Only use recommended fittings and air line sizes. Air supply hoses and air hose assemblies must have a minimum working pressure rating of 170 PSIG

(10 Bars, g) or working pressure limited to 113 PSIG for all 25,000 RPM Pencil Grinders.

• If a grinding bit is broken, a careful investigation should be made by the user to determine and correct the cause.

Warning: Always wear personal protection equipment. Operator of tool is responsible for following: accepted eye, face, respiratory, hearing, hand and

body protection. Adjacent personnel must be protected from potential injury.

Caution: Hand, wrist and arm injury may result from repetitive work, motion and overexposure to vibration.

Operation: Be sure that any loose clothing, hair and all jewelry is properly restrained. Keep hand and clothing away from working end of the air tool.

• BEFORE MOUNTING AN ACCESSORY, after all tool repairs and whenever a pencil grinder is issued for use, check tool RPM (speed) with tachometer

with air pressure set at 90 PSIG while the tool is running. If tool is operating at a higher speed than the RPM marked on the tool housing, or operating

improperly, the tool must be serviced and corrected before use.

Caution:Tool RPM must never exceed abrasive/accessory RPM rating. Check accessory manufacturer for details on maximum operating speed or special

mounting instructions.

• With power source disconnected from air tool check the collet to assure it is in good condition. If so mount the recommended accessory.

• Make sure tool is off and then connect power source.

Do not expose air tool to inlet pressure above 90 PSIG or (6.2 Bars).

Caution: After installing the accessory, before testing or use and/or after assembling tool, the pencil grinder must be started at a reduced speed to check

for good balance. Make sure no one is in the unguarded plane of the accessory. Gradually increase tool speed. DO NOT USE if tool vibration is

excessive. Correct cause, and retest to insure safe operation. Run tool for 1 minute of operating speed in a protected area.

• Make sure that work area is uncluttered, and visitors are at a safe range from the tools and debris.

• Use a vise or clamping device to hold work piece firmly in place.

• Do not apply excessive force on tool or apply "rough" treatment to it.

• Always work with a firm footing, posture and proper lighting.

• Ensure that sparks and debris resulting from work do not create a hazard.

• Debris from working certain materials may have the tendency to create a spark/ignition hazard, understand the properties and associated risk of the

materials being worked.

• Tools exhaust may contain lubricants, bearing grease, and other materials.

Direct exhaust away from operator.

• Do not use cut off wheels or router bits in this tool.

• Note the tool rundown time. Control the tool as if it were under power.

• Use long shank burrs (1.9" or longer) with caution. They are subject to bending, whipping, and breaking when run at high speeds.

• The rated RPM of a mounted point is lowered if the overhang (end of collet to abrasive) exceeds .5 inches (12.7mm).

Refer to the included tables. Reference ANSI B 7.1 for a more complete listing and additional information.

• Always use/replace collet cover after accessory changes. To avoid risk of injury due to rotating collet always operate tool with collet cover in place.

• Use hearing protection when working with materials that produce high process noise levels. Permanent hearing loss can result from high sound levels.

• Mineral spirits are recommended when cleaning the tool and parts. Do not clean tool or parts with any solvents or oils containing acids, esters,

ketones, chlorinated hydrocarbons or nitro carbons.

• Do Not set the tool down until the on/off valve is OFF and the tool has stopped turning.

• If power source is interrupted ensure tool is in OFF position before setting tool down.

Report to your supervisor any condition of the tool, accessories, or operation you consider unsafe.

Important: A Preventative Maintenance Program is recommended for this tool. The program should include inspection of air supply lines, air line pressure

and repair of tools. Refer to ANSI B186.1 for additional maintenance information.

• Use only genuine Dynabrade replacement parts to insure quality. To order replacement parts, specify Model#, Serial# and RPM of your air tool.

• All Dynabrade Air Tools must be used with a Filter-Regulator-Lubricator to maintain all warranties.

Routine Preventative Maintenance:

• It is strongly recommended that all Dynabrade rotary vane air tools be used with a Filter-Regulator-Lubricator to minimize the possibility of misuse due

to unclean air, wet air or insufficient lubrication. Dynabrade recommends the following: 11411 Air Filter-Regulator-Lubricator (FRL) – Provides accurate

air pressure regulation and two stage filtration of water contaminates. Operates Up to 55 SCFM/1,558 LPM @ 100 PSIG with 1/2" NPT female ports.

• Dynabrade recommends Dynabrade Air Lube (P/N 95842 1pt. (473ml).

• DO NOT clean or lubricate tools with chemicals that have a low flash point (example: WD-40

• Air tool markings must be kept legible at all times. User is responsible for maintaining specification information i.e.: Model #, S/N, and RPM.

• Blow air supply hose out prior to initial use.

• Visually inspect air hoses and fittings for frays, visible damage and signs of deterioration. Replace damaged or worn components.

• Check free speed of pencil grinder using a tachometer on a regular basis.

• Refer to Dynabrade's Warning/Safety Operating Instructions Tag (Reorder No. 95903) for safety information.

Handling and Storage:

• Use of tool rests, hangers and/or balancers is recommended.

• Protect tool inlet from debris.

• DO NOT carry tool by air hose.

SAFETY INSTRUCTIONS (Cont.)

OPERATING INSTRUCTIONS

MAINTENANCE INSTRUCTIONS