Installation; Installing The Mechanical System; Installing The Product - Festo HGDS Série Notice D'utilisation

HGDS−...
Use the same medium composition throughout the service life of the product.
S
Example: If unlubricated compressed air is selected at the outset,
If switching from lubricated to unlubricated compressed air, it is important that
the wear on the HGDS−... is taken into consideration.
The washing out of the life−long lubrication causes the HGDS−... to wear at an
accelerated rate.
Gradually pressurise the entire system
S
until the operating pressure is reached.
This ensures that all actuator movement
is controlled.
The soft−start valve type HEL−... or HEM−...
can be used to build up the pressure
gradually.
This prevents uncontrolled movements.
The product must be used in its original condition without any unauthorised
S
modifications.
6

Installation

Installing the mechanical system

Installing the product

Note
Excessive forces and torques will damage the HGDS−... .
S Ensure that the maximum permissible load limits are adhered to. These load
limits can be found in the section 'Technical data'.
Festo HGDS−... 0409a English
then unlubricated compressed air should be used during the
service life of the product.
HEL−...
QH−...
Fig. 5
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