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SEPARATOR MANUAL 7 FAULT FINDING
7 Fault Finding
These fault finding instructions are for the
separator only.
If a fault occurs, study the System
Documentation fault finding section (if
applicable).
7.1 Mechanical Functions
7.1.1 Separator vibration
W
A
R
N
I
N
G
!
Disintegration hazards
If excessive vibration occurs, stop separator and
keep bowl filled with liquid during rundown.
The cause of the vibration must be identified and
corrected before the separator is restarted.
N
O
T
E
Some vibration is normal during the starting and
stopping sequences when the separator passes
through its critical speed.
Cause Corrective action
Bowl out of balance due to:
- poor cleaning
- incorrect assembly
- incorrect disc stack compression
- bowl assembled with parts from other separators
Dismantle the separator and check the assembly
and cleaning.
Uneven sludge deposits in the sludge space. Dismantle and clean the separator bowl.
Height position of paring disc is incorrect. Stop the separator, measure, and if necessary,
adjust the height.
Bowl spindle bent. Renew the bowl spindle.
Bearing(s) damaged or worn. Renew all bearings.
The frame feet are worn out. Renew the frame feet.
Spindle top bearing spring broken. Renew all springs.
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