Wacker Neuson WL34 - Troubleshooting Table for Central Lubrication System

SHB WL34 * 2.0 1-29
Maintenance 1
Maintenance
Troubleshooting table for central lubrication system
Malfunction
Cause Remedy
Pump does not work
Malfunctioning integrated electronic
controls
Electrical line interrupted
Malfunctioning pump
Replace lower part of protective
engine housing
Replace the line
Replace the pump
Pump works, but does not pump
Air in piston
Below minimum level
Malfunctioning pump element
Bleed the pump
Fill up the reservoir
Replace a pump element
No grease at any lubrication point
Pump does not work
Break time too high or lubrication
time too short
Blocked system
Reduce break time or increase lubri-
cation time
No grease at several lubrication
points
Burst or leaking feed line to auxiliary
distributor
Screw connections leak
Replace the line
Retighten or replace the screw con-
nections
No grease at any lubrication point
Burst or leaky lubrication line to
lubrication point
Replace the line
Retighten or replace the screw con-
nections
Reduced pump speed
High system pressure Check system bearings
No damage (intermediate lubrication
once or twice if necessary)
Grease comes out at pressure relief
valve
System pressure too high
Blocked progressive distributor
Blocked system
Malfunctioning valve spring
Check the system
Replace the distributor
Repair blocked/jammed bearing
points
Replace the pressure limiting valve