8
Trouble shooting
8.6
Separator vibrates
!
WARN
ING
Disintegration hazard
If excessive vibrations occur,
STOP
the separator
Possible cause
Action
Bowl out of balance due to:
•
Insufficient or incorrect cleaning
(sludge in disc stack)
•
Unevenly spaced sludge cake (bowl
not cleaned prior to start)
•
Incorrect assembly
Dismantle and clean the separator bowl. Be
sure that the separator is assembled correctly.
Vibration dampers in separator are worn
Fit new dampers
Damaged bearings
Replace the bearings
8.7
No flow from pump
Possible cause
Action
Incorrect setting of flow control (too low
speed of pump)
Start with max. flow. See
.
The screw fitted in pump is not closed
(internal leakage too high)
Turn the adjustment screw clockwise.
Air leakage on suction side between tank
and pump
Check that the inlet is below surface in tank.
Check that couplings are correctly fitted.
39
Summary of Contents for Alfie
Page 6: ......
Page 10: ...2 Application ...
Page 18: ...4 Description of main parts ...
Page 20: ...5 Working principle of the separator ...
Page 30: ...6 Control Cabinet ...
Page 47: ...9 Maintenance Dismantling G04491c1 See comments on opposite page 47 ...
Page 53: ...9 Maintenance G0449671 53 ...
Page 54: ...9 Maintenance G0449681 54 ...
Page 60: ...11 Lifting instruction ...
Page 61: ...12 Diagrams 12 1 Electrical system Alfa Laval ref 9014733 Rev 7 61 ...