Risk of injury
Improper modifications to the device
− Improper modifications to the device can result in injuries.
• Do not make any unauthorised changes to the device.
• Only use the spare parts and accessories approved by Retsch
GmbH!
Risk of injury
Improper repairs
− Unauthorised and improper repairs can cause injuries.
• Repairs to the device may only be carried out by Retsch GmbH , an
authorised representative or by qualified service technicians.
• Do not carry out any unauthorised or improper repairs to the device!
The grinding tools may become worn, depending on the frequency of the grinding operation and
the sample material. The grinding jars and, depending on the presence, the grinding balls or
grinding set should be regularly checked for wear and replaced if necessary.
Likewise, all existing sealing gaskets (of grinding tools and in the device) should be checked for
wear regularly and replaced if necessary.
10.3.1 Replacing the Fuses
Risk to life caused by an electric shock
Exposed contacts
− Replacing the fuses without pulling out the mains plug can lead to life
threatening injuries caused by an electric shock on contact with the fuse
holder or the live contacts on the fuse.
• Pull out the mains plug before replacing the fuses.
There are two fuses located in the fuse drawer on the back of the device. Fuses may be
replaced by trained specialist personnel.
Remove the fuse drawer.
Replace the defective fuse in the fuse drawer.
Push the fuse drawer back in until you hear it click into place.
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