4-10 BA 50Z3/6003 en – Edition 4.3 * * 5003b410.fm
Troubleshooting
4.4 Troubleshooting the central lubrication system (option)
Problem Possible causes Remedy
Pump does not work
Malfunctioning integrated electronic controls Replace the controls and the cap
Electric line interrupted Replace the electric line
Malfunctioning pump Replace the pump
Pump works but does not supply
grease
Air inclusions in piston Bleed the pump
Level too low Fill up the tank
Malfunctioning pump element Replace the pump element
No grease rims on all lubrication points
Pump does not work See “Pump does not work”
Breaks too long or lubrication time too short Shorten breaks or increase lubrication time
System clogged
See “Grease escapes by the pressure limit-
ing valve”
No grease rims on some lubrication
points
Burst or leaky supply lines to secondary distributor Replace the lines
Leaky threaded fittings Retighten or replace the threaded fittings
Reduced pump speed
High system pressure Check system bearings
Low ambient temperatures
No damage (intermediate lubrication once
or twice if necessary)
System pressure too high Detect and eliminate clogging
Grease escapes by the pressure limit-
ing valve
System pressure too high Detect and eliminate clogging
Clogged distributor Replace the distributor
System clogged Repair clogged/stuck bearings
Malfunctioning valve spring Replace the pressure limiting valve
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