Bertram 540 - Page 339

540
15
TROUBLESHOOTING
Studio ti 03312 540-04usa
339
5. Too noisy pump − Wrong pump rotation direction
− Presence of some air in oil
− Oil viscosity causing obstructions to the
suction system
− Irregular inflow of oil to the pump, caused
by an insufficient filtering capacity of the
filter (the filter could be dirty or not suitable)
− Big lacks of charge along the suction line
− Worn pump’s components
− Relief valve vibrations
− Mechanical vibration due to a bad anchor
action
− Verify/Check
− Bleed
− Verify/Check
− Verify/Check/Clean
− Verify/Check
− Verify/Check/Replace
− Verify/Check
− Verify/Check
Problem Cause Action