5-52 BA 50Z3/6003 en – Edition 4.3 * * 5003b530.fm
Maintenance
Adjusting cycle time and lubrication time
Adjust the cycle time and the lubrication time with the potentiometers.
Repair in case of clogging
Clogging indication
Overpressure beyond operating pressure means the system is clogged and is indicated as
follows:
• Grease escapes by the pressure limiting valve.
• Blinking red LED on the pump housing.
Causes for clogging in the system
• Squeezed or blocked lubrication line.
• Bearing blocked or overfilled with lubricant.
• Lubricant not suitable for central lubrication systems.
• Blocked distributor.
Detecting clogging
☞ Unscrew the main line off the main distributor.
☞ Actuate the pump with the push button and check whether the lubricant is delivered
correctly.
☞ Screw the main line onto the main distributor.
☞ Unscrew the lines one after another and actuate the pump every time.
Repairing a clogged distributor
☞ Remove the distributor from the system.
☞ Unscrew the screw plug of the piston bore.
☞ Move the piston back and forth (do not remove).
☞ Screw the screw plugs back in again.
You can remove the piston of the malfunctioning distributor and check it for scratches or
damage.
If there are traces of hardened grease on the piston or the bores, remove the grease with
compressed air or by washing the piston.
Traces of hardened grease are a sign that the grease is not suitable for central
lubrication systems.
Lubrication time
1 min to 16 min
Cycle time
0.5 h to 8 h
1
16
0.5
8
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