M4602-02en Edition 09/2022 55
Maintenance
8
8.1 Maintenance intervals8.1 Maintenance intervals
DANGER
Danger due to bursting of the coupling
The coupling can burst if the maintenance intervals are not adhered to. There is a risk of
fatal injury from flying fragments. Bursting of the coupling can lead to an explosion in po-
tentially explosive atmospheres.
• Please observe all the stipulations concerning maintenance of the coupling in this sec-
tion.
CAUTION
Hot operating fluid and hot surfaces
Severe injury possible due to escaping hot operating fluid and hot surface.
• Wear suitable protective gloves, safety glasses, and protective clothing.
• Allow the operating fluid to cool down.
• Allow the coupling to cool down.
WARNING
Physical injury
Injury from rotating parts.
• Only carry out work on the coupling when it is at a standstill.
• Secure the drive aggregate against unintentional startup.
• Attach an information notice to the start switch stating clearly that work is being carried
out on the coupling.
• Before starting any work, make sure that the unit is free from loads.
8.1.1 N-EUPEX add-on coupling8.1 Maintenance intervals
DANGER
Danger due to bursting of the coupling
The coupling could burst if the maximum permitted torsional backlash is exceeded. There
is a risk of fatal injury from flying fragments. If a coupling bursts in an area at risk of explo-
sion, then this can result in an explosion.
• Note also the actual wear of the elastomer components.
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