HDK-MT350_EN_06
49
Remove used desiccant
► The check valve block must be detached in order to remove the desiccant
(see previous section).
Remove the following components from the exposed towers:
Caution - do not damage piston!
The piston is a precision component. Damage to the piston will make the
dryer unusable!
► Press the piston into the tower with the
special tool (Item 6) or press down using
two tower mounting screws.
—
Press in the piston until the retaining
segments are accessible (see arrow).
► Remove retaining segments (note order).
Tip:
Form a ring with the segments.
Removing piston
Note!
The piston may be firmly pressed into the tower if the dryer was pressurised
beforehand. Use a suitable tool to release the piston. Make sure that you pull
the piston straight upwards.
Make sure the piston is not skew
!
► Pull out the piston with the aid of the
special tool (Item 6) or the tower
mounting screws.
► Remove compression spring, dust sieve
and perforated plate.
► Clean dust screen with compressed air.
► Extract old desiccant.
Piston, dust screen, spring and perforated
plate