58
ARPEX 8706 en
Operating instructions 10/2017
9.2
Possible faults
Table 2:
Faults, causes and remedy
Faults
Causes
Remedy
Sudden changes in the noise
level and/or sudden
vibrations.
Change in alignment.
Stop the system,
and, if necessary, rectify the cause of the
alignment hange
(e.g. tighten loose foundation bolts).
Perform a visual check (procedure as
described in section 10).
Plate breakage, torque
transmission via bolts of the
plate-pack screw connection.
Stop the installation.
Demount the coupling.
Despatch the coupling to the manufacturer
for being replaced or, if necessary, repaired,
and re-balanced.
Occurrence of vibrations.
Incorrect fitting of the
coupling; non-observance
of component markings for
assembly balancing (see
item 6.7).
Stop the installation.
Check component markings in accordance
with item 6.7 and, if necessary, demount the
coupling and recify the position of the
components.
Perform a visual check (procedure as
described in section 10).
WARNING
Risk of serious injury through flying fragments
Risk of serious injury through flying fragments and/or risk of damage to the coupling.
Only undamaged coupling parts must be used. In particular the teeth, holes, screw threads and joining
and sealing surfaces must not be damaged.
DANGER
Danger of explosion
Risk of explosion when operating in potentially explosive areas through damage.
Damaged coupling modules and coupling parts are potential explosion hazards.
Use only undamaged coupling components. Operating the coupling with damaged coupling parts is not
permitted in potentially explosive environments in accordance with Directive 2014/34/EU.