Chapter 10
SEITAL S.r.l.
Rev. 2 of 19/01/98
Page 10-4
Use and maintenance handbook: Centrifugal separator
SE 40CX
n°
TROUBLE
CAUSE
REMEDY
5 Starting
time
too
short
(starting current too high).
Too much oil into hydraulic
coupling.
Check and adjust oil quantity (§
10.1).
6
Anomalous
vibration
and
excess of noise during working.
Bowl out of balance due to:
- incorrect assembly or with
parts from other bowls.
Assemble bowl correctly.
- disks
column
has
not
adequate compression.
Add some disks (§ 6.1).
- bad
bowl
desludging
(vibration
is
higher
with
empty bowl).
Carefully clean the bowl and
increase discharge time (T2) or
reduce
time
between
two
following discharges (T1).
- bowl parts damaged during
disassembly or assembly.
Bowl must be inspected by one
of our technicians.
- big lock ring badly tightened. Disassemble and tighten lock
ring.
Inefficient support of vertical
shaft owing to:
- broken or fatigued springs
Replace whole set of springs.
- buffers seized.
Replace all buffers.
Worn-out ball bearings
Replace all ball bearings and
use the prescribed ones.
Gears are in bad conditions
owing to normal wear or:
Replace worn out part as well
as helical wheel and pinion;
carefully clean gear housing
and
- lack of oil or oil is too fluid
(gears become bluish)
change oil using the prescribed
one.
Eventually
change
oil
more
- water in oil, (frame drain
obstructed cleaning of inner
upper surface of frame by
water jet - solenoid valve
YV0 or YV1 locked in open
position).
frequently. Clean or replace
valve YV0 or YV1 and check
electric
connection
and
component, if necessary.
- sludge in gear housing.
- delayed oil change.
