ZIMM ZA-25, Instruction Manual

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7 Operation and maintenance ZIMM Actuator
2023 Version 0.6 32
Fig. 13: Ventilation position with automatic lubrication
7.3 Troubleshooting
If faults are evident, these should be localised according to specific
criteria, and rectified by application of appropriate actions. The following
table offers start points as assistance for troubleshooting.
Fault Possible cause Action
Spindle is
squeaking or
vibrating Wrong spindle grease,
stick-slip

Use different grease:
– with high viscosity base oil
– with additives
– possibly with solid lubricants

ZIMM will be happy to advise you.
Geometry error in the
system

Check alignment:
– Parallel positioning of the ZIMM Actuators
(thrust tubes, cylinder tubes) to each other
– Parallel positioning of the ZIMM Actuators to
the guides
– Angularity of the screw surfaces (gears, nuts,
flanges, etc.)
Unfavourable spindle
frequency

Change speed: slower or faster (observe limit
values)