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Festo 7DSBF-Ca_en
•
Unscrew the threaded coupling from the piston rod.
•
Remove the piston components from the piston rod, noting the sequence
and alignment.
•
Remove any residue of the screw locking agent from the threads of the pis-
ton rod and threaded coupling.
•
Replace the components with those included in the set of wearing parts and
reassemble the piston components on the piston rod in the correct order.
•
Apply the screw locking agent included in the set of wearing parts to
the inside of the threaded coupling and screw it onto the piston rod with
the corresponding torque (see table).
Type
Torque
DSBF-C-32
10 Nm
DSBF-C-40
20 Nm
DSBF-C-50
30 Nm
DSBF-C-63
40 Nm
DSBF-C-80
60 Nm
DSBF-C-100
60 Nm
4.4.4
Inserting the piston rod into the cylinder barrel
•
Clean the inner surface of the cylinder barrel as described in
chapter
5.1 "Cleaning"
.
•
Apply the grease included in the set of wearing parts to the following parts:
Component
Greasing
Inner surface of cylinder barrel
Thin film
1)
Surface of piston rod
Thin film
1)
Piston seal lip rings
Thin film
1)
on
outside
Piston surface between lip rings
(grease reservoir
2)
)
Fill 2/3 with grease
Cushioning boss
Thin film
1)
on
outside
1)
See chapter
5.2.2 "Thin grease film"
2)
See chapter
5.2.3 "Grease reservoir"
• Place the piston flat against the front side of the cylinder barrel and insert
the lip ring into the cylinder barrel by tilting and turning it slightly.
The sealing lip must not fold back against the inside of the piston.
Note
If necessary use a flat and blunt-edged object to insert the lip ring into
the cylinder barrel.
•
Insert the piston fully into the cylinder barrel.
