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Festo 7DSBF-Ca_en
• Push the piston far enough into the cylinder barrel so that the fi rst lip ring
protrudes slightly at the other end of the cylinder barrel.
•
Pull the piston rod back again until the piston is sitting fully in the cylinder
barrel.
Note
This approach ensures that the sealing lips of the two lip rings sit correctly in
the cylinder barrel.
4.4.5
Repairing and attaching the bearing and end caps
•
Remove the retaining ring
1
and the piston rod seal
2
from the bearing
cap
3
.
•
Remove the O-ring
6
from the bearing and end caps.
•
Remove the holding discs
5
from the bearing and end caps.
•
Remove the cushioning seal
4
from the bearing and end caps.
1
3
2
4 5
6
•
Clean the seat of the piston rod seal
1
.
•
Clean the seat of the cushioning seal
2
.
•
Clean the seat of the O-ring
3
.
1
3
2
•
Grease the new piston rod seal as follows:
Area
Greasing
1
Grease reservoir
1)
for piston rod
Fill 2/3 with grease
2
External surface for bearing cap
Thin fi lm
2)
3
Grease reservoir
1)
for bearing
Fill 2/3 with grease
1)
See chapter
5.2.3 "Grease reservoir"
2)
See chapter
5.2.2 "Thin grease fi lm"
1 2 3
•
Insert the piston rod seal into the bearing cap using an appropriate thrust
piece.
Note
Note the mounting direction (individual sealing lips facing out).
