DEWALT Portable Power Grinder Instructions

: June 8, 2024
: Dewalt

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DEWALT Portable Power Grinder
Instruction
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DEWALT Portable Power Grinder

Instruction

SAFETY GUIDE FOR USERS OF PORTABLE GRINDING, CUTTING AND FLAP-DISC WHEELS
IMPORTANT: Deliver this guide to the wheel operator- For all users whether industrial, commercial or home use. Read before mounting wheel. For additional safety information see ANSI safety code B7.1 and B7.5 and read instruction manual for tool wheel will be mounted to.

IMPORTANCE OF PROPER GRINDER MAINTENANCE: The more common cause of wheel breakage has been traced to improper speeds, abusive operation and/or careless handling of the grinder. Therefore proper and regular maintenance, service, and inspection procedures are of great importance in preventing wheel breakages. Regular inspection and maintenance procedures are the responsibility of the user. All portable type grinders, chop saws, and cut off saws (corded, cordless, or gas powered) should be inspected at regular intervals to insure that the mounting ﬂanges are in good condition, proper size and shape, that the speed governing device is functioning properly, and that no damage has occurred to the tool or wheel as a result of abusive use or careless handling. Comply with safety requirements in ANSI B7.1, ANSI B7.5 and OSHA REGS 29CFR 1910.215 and 1926.303

WARNING: Use of this tool can generate and/or disburse dust, which may cause serious and
permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory protection appropriate for the dust exposure. Direct particles
away from face and body. Always consult and follow tool manual when using this product with power tools.
The following Do’s and Dont’s should be used as a guide to
safer portable grinding and cutting:

MUST DO

DO always handle and store wheels in a careful manner
DO make sure grinder speed does NOT exceed maximum operating speed marked on the wheel, its blotter or container
DO visually inspect all wheels before mounting for cracks or other damage. Do NOT use if present.
DO use mounting blotter when supplied with wheels
DO be sure wheel hole, threaded or unthreaded, ﬁts the grinder spindle or pilot diameter on backing ﬂange properly and that ﬂanges are clean, ﬂat, undamaged and are the proper type for the wheel you are mounting.
DO always use proper guard. Position it so it protects the user.
DO allow newly mounted wheels to run at maximum grinder speed in a protected area, with guard in place, for at least one minute before using.
DO always wear eye protection ANSI Z87.1 (CAN/CSAZ94.3) and a face shield, if required.
DO always wear hearing protection ANSI S12.6 (S3.19)
DO always wear additional safety clothing such as gloves, apron and boots.
DO always secure the workpiece ﬁrmly while it is being cut or ground.
DO always be sure tool is disconnected from power supply or battery and switch is in “OFF” position before changing wheel or adjusting guard.
DO employ dust controls and/or protective measures appropriate to material being ground.
DO comply with OSHA regulations 29 CFR 1926.1153 when working on materials containing crystalline silica such as concrete, mortar and stone. Always use NIOSH/OSHA approved respiratory protection appropriate for the dust exposure.
DO Hold grinder ﬁrmly with two hands per the grinder instruction manual. Maintain ﬁrm grip.

ICON LIBRARY

This wheel to be used for cutting only. NO surface grinding.
This wheel requires Type 1 guard as shown in blue for cutting only. Do NOT use Type 27 Guard.
Do NOT use a damaged wheel. Inspect the wheel before use. Do NOT use if damaged.
MUST read instruction manual of the tool the wheel will be mounted to.
Surface grinding is allowed.
Cutting is allowed
Read this safety guide.
Broken wheels are a hazard
NO surface grinding.
MUST wear eye, hearing and respiratory protection
Cutting, notching and grinding are all allowed.
Use guard.

DON’T

DON’T use a wheel that is past its expiration (EXP) date as marked near center of wheel, if provided
DON’T use a cracked wheel or one that has been dropped or become damaged
DON’T force a wheel onto a grinder or alter the size of the mounting hole, get one that ﬁts.
DON’T ever exceed maximum operating speed of wheel.
DON’T use mounting ﬂanges on which the bearing surfaces are not clean, ﬂat and free of burrs.
DON’T overtighten nut or ﬂange, tighten only enough to hold wheel ﬁrmly.
DON’T grind on the side of conventional straight or Type 1/41 wheels.
DON’T use a wheel on any grinder that is not properly designed for the speciﬁc application of the wheel.
DON’T start the grinder until the wheel guard is properly and securely in place.
DON’T jam wheel into the work.
DON’T stand directly in front of a grinding/cutting wheel whenever a grinder is in operation.
DON’T grind or cut material for which the wheel is not designed for.
DON’T use grinding or cutting wheels on pistol grip air sanders.
DON’T mount more than one wheel on a grinder