8
TROUBLESHOOTING
PROBLEM
POSSIBLE REASON
CORRECTION
Hose life is too short.
Incompatibility of the hose with the pumped
product.
Make sure the compatibility of the hose
with your product and contact your Albin
distributor.
Discharge pressure too high.
Check that the discharge pressure of the
pump does not exceed 15 bars (or 8
bars for ALH05 to ALH20). Check that
the outlet piping is not blocked up and
that all valves are opened.
Make sure that the security valve works
correctly.
Make sure that the piping friction losses
do not exceed the value requested for
an appropriate functioning of the pump.
Pump speed too high.
Reduce the pump speed.
Wrong shimming.
Check the shimming.
Too high temperature of the product.
Contact your Albin distributor.
Lubricant leakage around the cover
Deficient tightening of cover bolts.
Wear of the cover seal.
Tighten cover bolts.
Replace cover seal.
Lubricant leakage in the leakage chan
-
nel
(underneath the gearbox flange)
Wear of the shaft seal or the seal ring.
Replace these parts.
Lubricant leakage at the sleeves
Deficient tightening of clamps or spoilt sleeve
(s).
Tighten clamps or replace sleeves.
Pulsations in piping.
Deficient fastening of the piping.
Fix piping correctly.
Process creating important pulsations due
to the product, the speed of the pump, dis-
charge pressure or the sizing of piping.
Contact your Albin distributor.
Grease leakage (ALHS series).
Worn lip seals
Remplace the lip seals REF105 and
REF106.
See §6.4 and §6.6.
Abnormal noise coming from the bear
-
ing case (ALHS series).
Lack of lubricant in the bearing case.
Worn bearings.
Refill the bearing case with appropriate
grease.
Replace bearings. See §6.4 and §6.6.
