ALBIN PUMP ALH - Page 25

Albin Pump ALH Instruction Manual  Albinpump.com  albinpump@irco.com 25
since 1928
ALH
Troubleshooting
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 bar (217 psi) or 8 bar
(116 psi) for ALH05 to ALH20). Check that the
outlet piping is not blocked 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
Decient tightening of cover bolts.
Wear of the cover seal.
Tighten cover bolts.
Replace cover seal.
Lubricant leakage visible in the designat-
ed leakage channel
(underneath the gearbox ange)
Wear of the shaft seal or the seal ring. Replace these parts.
Lubricant leakage at the sleeves
Decient tightening of clamps or spoilt
sleeve(s).
Tighten clamps or replace sleeves.
Pulsations in piping.
Decient fastening of the piping. Fix piping correctly.
Process creating important pulsations
due to the product, the speed of the
pump, discharge pressure or the sizing of
piping.
Contact your Albin distributor.
Grease leakage (ALHS series).
Worn lip seals
Replace the lip seals (REF 105) and (REF 106).
See §6.4 and §6.6 .
Abnormal noise coming from the bearing
case (ALHS series).
Lack of lubricant in the bearing case.
Worn bearings.
Rell the bearing case with appropriate grease.
Replace bearings. See §6.4 and §6.6 .