Installation and Operational Instructions for
EAS
®
-Compact
®
overload clutch Type 49_._ _4._
Sizes 01 to 3
(B.4.14.1.EN)
13/11/2017 GC/NU/GH/SU
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Tel.: +49 8341 804-0, Fax: +49 8341 804-421
Page 16 of 19
Malfunctions / Breakdowns Type 490._ _4._
Malfunction
Possible Causes
Solutions
Premature
clutch
release
Incorrect torque adjustment
1)
Set the system out of operation
2)
Check the torque adjustment
3)
Secure the adjusting nut
4)
If the cause of malfunction cannot be found, the clutch must be
inspected at the place of manufacture
Adjusting nut has changed position
Worn clutch
Clutch does not
release
on overload
Incorrect torque adjustment
1)
Set the system out of operation
2)
Check whether foreign bodies influence the disengagement
mechanism function
3)
Check the torque adjustment
4)
Secure the adjusting nut
5)
If the cause of malfunction cannot be found, the clutch must be
inspected at the place of manufacture
Adjusting nut has changed position
Disengagement mechanism blocked by
a foreign body
Worn clutch
Running noises on
overload occurrence
as clutch slows down
Bearing on output flange is worn or has
been previously damaged
1)
Set the system out of operation
2)
Inspect the clutch at the place of manufacture
Worn disengagement mechanism
Running noises in
normal operation
Insufficient clutch securement
1)
Set the system out of operation
2)
Check the clutch securement
3)
Check the screw tightening torques
4)
Check the torque adjustment and that the adjusting nut sits
securely
Loosened screws
Loosened adjusting nut
Malfunctions / Breakdowns Type 493._ _4.0
Malfunction
Possible Causes
Solutions
Steel bellows
breakage
Incorrect alignment
1)
Set the system out of operation
2)
Replace the entire clutch
3)
Check the alignment
Steel bellows have already been
damaged in transport or during
installation
1)
Set the system out of operation
2)
Replace the entire clutch
3)
Check the alignment
Operating parameters are not
appropriate for the clutch performance
1)
Set the system out of operation
2)
Check the operating parameters and select a suitable clutch
(observe installation space)
3)
Install a new clutch
4)
Check the alignment
Steel bellows is energised in natural
frequency; resonance
1)
Set the system out of operation
2)
Re-align the line characteristics
3)
Replace the entire clutch
4)
Check the alignment
Changes in running
noise
and / or
vibration
occurrence
Loosened screws,
resonances, insufficient clutch
securement
1)
Set the system out of operation
2)
Check the screw tightening torques
3)
Check the line characteristics
4)
Check the clutch parts and replace if damaged
