46
Plus 42 - 45 - 50 - 55 - 55S - 55E
11-2000
14
FAULT FINDING
14
A. FAULT: By utilising the filler piping the pump doesn’t operate (suction)
It is necessary to disengage the drive outlet (PdP) and wait for it to stop rotating before
repeating the filling operation.
.
CAUSE: the quantity of water poured into the tank is insufficient to trigger the pump.
REMEDY:
Add water to the tank until the pump starts its cycle.
2. CAUSE: the filler piping sucks in air.
REMEDY:
Completely submerge the suction filter of the filler piping.
3. CAUSE: Hydraulic circuit not sealing properly.
REMEDY:
Check the tightening of ring nuts, fittings and clamps. Check the efficiency of
sealers and that piping elements are not cracked or broken. Replace parts that are
possibly found to be defective.
4. CAUSE: Slipping of the pump’s belt.
REMEDY:
Check the tension of the belt-tensioner’s spring.
5. CAUSE: The pump’s belt might be broken.
REMEDY:
Replace the belt.
B. FAULT: Leakage and dripping from the pump
1. CAUSE: Non-sealing of the fittings and clamps connecting the piping to the pump.
REMEDY:
Check for proper tightening of ring nuts and clamps. Check the efficiency of
the sealers. Replace parts that are possibly found to be defective.
2. CAUSE: The sealers (O.Rings) of the external coupling flanges don’t seal the pump properly.
REMEDY:
Refer to the C.I.M.A. service point.
3. CAUSE: Mechanical sealing defective.
REMEDY:
Refer to the C.I.M.A. service point.
C. FAULT: Drop in pressure of the hydraulic circuit signalled by the gauge
1. CAUSE: Dirty delivery filter.
REMEDY
:
Clean the cartridge
2. CAUSE: Faulty sealing of the hydraulic circuit.
REMEDY
:
Check the operation of the pump and its belt. Check the proper tightening of
ring nuts, fittings and clamps. Check the efficiency of the sealers and the integrity of the
piping. Replace the parts that are possibly found to be defective.
3. CAUSE: Centrifugal pump defective. See “B”.
REMEDY
:
As per point “B”.
4. CAUSE: Gauge defective.
REMEDY
:
Refer to the C.I.M.A. service point.
D. FAULT: Vibration of fan unit
1. CAUSE: Fan dirty.
REMEDY
:
Clean. (It is advisable to refer to the C.I.M.A. service point).
