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5.0 M a inten an c e, upke ep an d ro utin e che cks
5.0 Maintenance, upkeep and
routine checks
DANGER
During and after operation, some parts of the cylinder carry
dangerous voltages. Electric shock hazard. Risk of serious
or fatal injuries.
Strictly observe the safety instructions in this manual and
the safety instructions of manuals associated with each
commissioned equipment (motor, servoamplifier, etc).
Do not unplug motor connectors before switching off the power
supply of the corresponding servoamplifier. First unplug the
signal connector and then the power connector.
Motor rotation can create voltage. Do not touch connector pins.
WARNING
During operation, the cylinder surface temperature can reach
high values. There’s a risk of burns or fire. Before any work on
the actuator, let it cool down.
5.1 Ewellix maintenance
service
Ewellix offers a range of services for cylinder
maintenance:
• Level 1 maintenance for cylinder only (without motor)
This service includes complete disassembly, cleaning,
re-lubrication and reassembly of the cylinder. Visual in-
spection is done on all components. Description of roller
screw or ballscrew status is given. All of the following com-
ponents are replaced:
-
Bearings
-
Seals
-
Coupling star
-
Profile rail guides, if cylinder integrates an anti-rotation
system
-
Bumpers
-
Guides
-
Air filter
-
Grease nipple
-
Belt, if the cylinder has an integrated pulleys-belt system
• Level 1 maintenance for cylinder motor
(only if originally sold by Ewellix)
This service includes complete disassembly, cleaning and
re-assembly of the motor. Visual inspection is done on all
components. All of the following components are replaced:
-
Bearings
-
Seals
• Level 1 maintenance for cylinder gear
(only if originally sold by Ewellix)
This service includes complete disassembly, cleaning and
re-assembly of the gear. Visual inspection is done on all
components. All of the following components are replaced:
-
Bearings
-
Seals
• Level 2 maintenance for cylinder (without motor)
This service includes level 1 maintenance service for the
cylinder and replacement of the rollers of the roller screw.
• Level 3 maintenance for cylinder (without motor)
This service includes level 1 maintenance service for the
cylinder and full replacement of roller screw.
For each level of maintenance, an organization adapted to
your needs can be put in place to minimize the conse-
quences of non-availability of Ewellix cylinder. For more in-
formation, please contact your local Ewellix representative.
5.2 Lubrication –
detailed description
NOTE
In the case of very dynamic applications, it’s advisable to
regularly check cylinder operation and its lubrication conditions.
WARNING
In the following paragraphs, recommendations are given (type,
frequency and grease quantity) for cylinder parts that need to be
re-lubricated regularly. These recommendations have to be taken
as a guide. In most need cases, these recommendations result in
good lubrication conditions during the cylinders lifetime.
But it may occur, depending on the ambient temperature, on
cylinder working cycle definition (speed, acceleration, load, cycle
rate) and on the way the cylinder can dissipate its heat, that it’s
required to adapt the grease definition to the specific conditions
of the application. As most of these parameters are known
only by the user, it’s the responsibility of the user to check that
lubrication recommendations suggested in this manual create
good lubrication conditions.
As a general rule, the stabilized temperature of the cylinder
should not exceed 80 °C (whatever surface is measured). If it’s
not the case, please contact your local Ewellix representative in
order to get technical support.
Summary of Contents for SLSA Series
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