11
SYMPTOMS
CAUSES
CURES
Pressure exceed 40 psi
1. Dirty filter
1. Change filter cartridge
2. Cold start-up
2. Allow unit to warm up. If pressure
will not go down, change oil filter
cartridge.
Low Oil Pressure
1. Oil level low
1. Add oil
2. Broken oil line
( pressure)
2. Replace bad line
3. Defective pump
4. Reservoir strainer clogged
3. Replace Pump
4. Clean strainer
Motor amperage high
1. Excessive feed
1. Reduce feed
2. Build up of product fines
inside base that drag on rotor
2. Clean base discharge area
3. Object lodged between flites
and screen
3. Remove object
Excessive solids in effluent
1. Worn screen
particle size larger than screen
opening
1. Replace screen
2. Excessive fines in feed
2. Correct pre-dewatering equipment
Vibration
1. Unbalanced rotating
component.
1. Replace component
Because of the wide variety of materials the continuous screen type centrifuge is applicable to,
only general points of process information can be covered. Generally, change of feed moisture,
size consistency, rate and cleanliness will change the product quality. Here is a tabulation of
overall process symptoms and their probable cause:
SYMPTOMS
CAUSES
Wet product
1. Feed to wet
2. Excessive fines in feed
3. Foreign material in feed
4. Screen stopped up
5. Excessive flite clearance or worn flites
Poor Recovery
1. Excessive fines in feed
2. Worn Screen
3. Screen opening too large
4. Worn flites
Note that the above list is general. However, each of these points should be checked when
unsatisfactory results are being encountered. Should these checks fail to reveal possible troubles,
contact any CSI representative listed in the front of this manual for further assistance.
