44
EN
Mechanical faults on pumps
Fault
Possible cause/ recognizability of fault
Remedy
Air pockets in the lubricant or lubrication system
○
Visual check for bubbles in the lubricant
○
Vent lubricant (if required, trigger several ad-
ditional lubrication cycles)
Reservoir vent is clogged
○
Visually check whether there is lubricant in the
reservoir vent.
○
Remove lubricant from the reservoir venting
device
Suction bore of pump element is clogged.
○
After disassembling the pump element
○
Disassemble and clean the pump elements.
Piston of pump element is worn
Defective check valve in the pump element
○
Too low pressurization
○
Replace pump element.
Defective pressure relief valve
Blockade on a lubrication point or in the SSV me-
tering device
○
Lubricant leaking from the pressure reducing
valve
○
Replace pressure relief valve.
Check the lubrication point and the SSV mete-
ring device and remedy fault, if necessary.
If the fault cannot be determined and remedied, please contact our Customer Service.
10. Troubleshooting
