18 192-550004N2 ETH ATEX November 2013
In this chapter you can read about:
Maintenance schedule ..................................................................................................... 18
Lubricating intervals and amount of lubricant for ATEX ETH electro cylinders.................. 19
Toothed belt .................................................................................................................... 20
Maintenance measures ETH
The ballscrew drive must be relubricated within given intervals.
The lubrication intervals depend on the operating conditions (nominal size, pitch,
speed, acceleration, loads, etc.) and the ambient conditions (e.g. temperature).
Ambient influences such as high loads, impacts and vibrations shorten the
lubrication intervals.
In short-stroke applications, a lubrication run must be performed after max. 10 000
movement cycles.
Service life: see in the catalog section (following the mounting instructions).
In the event of small loads and if the application is impact and vibration free, the
lubrication intervals can be increased. Under normal operating conditions, the
given lubrication intervals apply. If the total travel per year is shorter than the given
intervals, the cylinder must be relubricated at least once per year.
2.1 Maintenance schedule
The cylinder is furnished completely lubricated.
If the cylinder was held on stock at your premises for
more than 1 year, it must be relubricated before
commissioning.
see lubricating intervals and amount of lubricant
Depending on the mileage,
see table Lubricating intervals
and amount of lubricant
Relubricating the screw.
see lubricating intervals and amount of lubricant
Visual inspection for external damages of the actuator
If externally caused damages are visible on the thrust
rod or on the profile, please contact Parker.
Fixings provided by the
customer
Check screw tightening torque.
see mounting tightening torques ETH
Annually, or every 6000 hours of
operation
Toothed belt
(with parallel
configuration)
In general, the high performance toothed belts used in
the ETH are maintenance free.
Visual inspection of the timing belt is however
required. Please check the toothed belt for the
following aspects:
Wear at the teeth
Cracks in the tooth root surface
Fractures in the belt back
If you find signs of wear, the toothed belt must be
exchanged.
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