Dremel 398 Instructions page 22

intended for the particular tool, taking into account the working conditions and the work to be performed. Use
of the tool for operations, different from those normally expected to be performed by the particular tool, could
result in a hazardous situation.
23. Have the tool repaired by a qualified person. This electric tool is in accordance with the relevant safety
rules. Repairs should only be carried out by qualified persons using original spare parts, otherwise this may
result in considerable danger for the user.
DREMEL TOOL SAFETY
• Read and save this instruction manual and the enclosed safety instructions
• Always keep the cord away from moving parts of the tool
• When you put away the tool, switch off the motor and ensure that all moving parts have come to a complete
standstill
• In case of electrical or mechanical malfunction, immediately switch off the tool and disconnect the plug
• Use completely unrolled and safe extension cords with a capacity of 16 Amps (U.K. 13 Amps)
• Only use the original DREMEL accessories which can be obtained from your DREMEL dealer.
• Before using accessories always compare the maximum allowed r.p.m. of that specific accessory with the
r.p.m. of the tool
• This tool should not be used by people under the age of 16 years
• Never use grinding wheels over 1 1/4" (32 mm) Ø
• Never use drill bits over 1/8" (3.2 mm) Ø
• Never use shaft lock while tool is running
• Store tool in locations where temperature will not exceed 50°C
• Ensure that the collet size corresponds with the shaft size of the accessory
• Keep the air vent openings clean and uncovered
• Handle and store grinding/cutting discs carefully to avoid chipping and cracking
• Do not use damaged, deformed or vibrating grinding/cutting discs
• For mounting/using non-Dremel accessories observe the instructions of the manufacturer concerned
• Before using the tool
• ensure that accessory is correctly mounted and firmly tightened
• check if accessory runs freely by turning it by hand
• test-run tool for at least 30 seconds at highest no-load speed in a safe position
• stop immediately in case of considerable vibration or other defects and check tool to determine the cause
• ! Never use a cutting disc for side grinding
• When grinding metal, sparks are generated; keep other persons and combustible material from work area
• Wear protective glasses and gloves, hearing protection, a dust mask, and sturdy shoes; when necessary also
wear an apron
• ! The accessory continues to rotate for a short time after the tool has been switched off
When connecting new 3-pin plug (U.K. only):
• Do not connect blue (=neutral) or brown (=live) wire in the cable of this tool to the earth terminal of the plug
• If for any reason the old plug is cut off the cable of this tool, it must de disposed of safely and not left
unattended
USE
1. Separate On/Off Button "C" (diagram
• Switch on the tool and select speed by pushing buttons "E" & "F" to desired speed
• Speed from 5,000 - 33,000 R.P.M.'s
2. Mounting Accessories (diagram
• Push Shaft Lock button "G", and hold it, while turning the Collet Nut "A" or chuck by hand or with the wrench
"H" until the shaft locks preventing further rotation
(if working with the Collet Nut "A", open collet "B" by loosening collet nut "A" with the wrench "H")
• Insert accessory into the Collet "B" or chuck as far possible to minimize run out and unbalance
• With Shaft Lock button "G" engaged, close collet "B" by tightening collet nut "A" / Chuck by hand or with the
wrench "H" until it is a tight and secure
3. Holding and guiding the tool (see diagram
• pencil grip for precision work (engraving)
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