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8 Trouble tracing 8.1 Mechanical function
Noise and possibly vibration Damaged ball bearing Check and change bearing
Worm gear badly worn Change worm and worm wheel
Height settings of paring disc
are incorrect
Correct settings, see
Maintenance Manual
Incorrect assembly See
Maintenance Manual
Stop the separator with water or product and find out the cause
Vibration Bowl out of balance due to:
Bad cleaning – incorrect
assembly – badly tightened
lock ring – disc stack not
clamped sufficiently – bowl
assembled with parts from
other bowls – static unbalance
Stop immediately and find out
the cause. Insufficient
tightening of the lock ring can
endanger life. Dismantle, clean
and reassemble. (See
Service
& Maintenance Manual
)
Moderate vibration at the critical speeds during starting and
stopping periods is normal
Operation. CIP
Machine vibrates (vibration
alarm)
Low level
Bowl out of balance due to bad
cleaning – incorrect
assembling – bad tightening of
lock ring – bowl assembled
with parts from several bowls –
heavyside
Establish the cause at next
stop
Vibration dampers worn
Foundation too weak
Damaged or worn bearings.
Overheating
Machine vibrates (vibration
alarm)
High level
Bowl out of balance due to bad
cleaning – incorrect
assembling – bad tightening of
lock ring – bowl assembled
with parts from several bowls –
heavyside
Stop immediately with liquid
filled bowl, absolutely no
discharging, and establish the
cause. Badly tightened lock
ring may involve fatal danger
Vibration dampers worn Stop immediately as above.
Renew
Foundation too weak Stop immediately as above.
Reinforce foundation
Damaged or worn bearings.
Overheating
Stop immediately as above
Renew
Indication Cause Remedy
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