IKA M20 Betriebsanleitung Seite 6

Contents
Safety instructions
Correct use
Unpacking
Commissioning
Motor Circuit Breaker
Description
Grinding
Grinding while cooling
Replacingthe grinding tool
Maintenance and cleaning
Accessories
Technical data
List of spare parts M20
Spare parts diagramm M20
Safety instructions
The M20 device may not be used in areas subject to explosion
hazards.
Protective glasses must be worn when performing experimental
cuts. In addition, suitable protective gloves must be worn when
adding coolants.
Experiments involving comminution must be performed behind a
protective wall (Plexiglas ® -wall, exhaust hood or the like) in order
to prevent injury caused by the sudden occurrence of excess pres-
sure (possible bursting of the cover).
Please comply with all of the relevant safety regulations.
Correct use
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IKA universal grinder M20 is suitable for carrying out low-loss grin-
ding of hard and brittle substances as of grain size 6 - 7mm. The
grinders operate without creating dust or lost. Beaters, blades and
grinding are replaceable. The useful volume of the grinding cham-
Page ber is 250ml for the M20 grinder.
Hard and brittle ground material is crushed by means of beaters or
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blades ratating at high speed.
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Oil substances or those that are given to smearing and which are
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not capable of being ground at room temperature have to be coo-
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led for grinding (e.g. embrittled with liquid nitrogen).
7 Unpacking
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Please unpack the equipment carefully and check for any dama-
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ges. It is important that any damages which may have arisen
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during transport are ascertained when unpacking. If applicable a
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fact report must be set immediately (post, rail or forwarder).
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The M20 delivery quantity includes: one M20 grinder, one M21
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stainless steel beater, one set of tools and operating instructioins.
Commissioning
Check whether the voltage specified on the type plate matches
the mains voltage available. The power socket used must be ear-
thed (protective earth conductor contact). If these conditions are
met, the device is ready to operate after plugging in the mains
plug. If these procedures are not followed, safe operation cannot
be guaranteed and/or the equipment may be damaged.
Observe the ambient conditions (temperature, humidity, etc.)
listed under Technical Data.
NOTE: The grinder is designed for short term operation.
Maximum operating time - 7 minutes.
After that, the grinder must cool off for approximate-
ly 10 minutes.This condition does not apply if the grin-
ders is connected to a cooling unit.
M20 0705