Troubleshooting
Malfunction
Pump doesn't supply lubricant;
eccentric shaft doesn't rotate
Pump doesn't supply lubricant;
eccentric shaft rotates
Grease comes out of the hole of the
pressure relief valve
Quantity of lubricant is too small or
too big
Grease comes out of the lateral
relief hole
...a product of BEKA
Origin
No hydraulic oil pressure at the
entrance available
Filter and throttle contaminated
Throttle is closed
Hydraulic motor faulty
Back pressure of the return line is
too high - max. 20 bar
Cartridge is empty
Air bubbles in the cartridge
Sealing of the cartridge adapter
is damaged or missing
Pumping element faulty or worn out
System back pressure is too high
Pressure relief valve is faulty
Oil flow adjusted wrongly
Pumping element worn out
Remedies
Check the pressure of the hydraulic
line
Clean the filter and throttle
(see page 12)
Turn the throttle approx. 1 1/2
rotation counterclockwise and put
on the oil supply. Adjust the throttle
after working again
Change the hydraulic motor
Check the hydraulic system
Replace the cartridges
Unscrew the cartridge of the
adapter. Push the following piston of
the cartridge by hand until bubble-
free lubricant comes out. Re-screw
the cartridge
Change or install the sealing
Change the pumping element
Check the lubricant system
Change the pressure relief valve
Adjust the throughput with the
throttle
Change the pumping element
GB
37