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Festo 7DZF / DZHb_en
•
Insert the piston rod seal into the bearing cap (in both bearing caps on
cylinders with through piston rod (S2/S20)) using an appropriate thrust
piece.
Note
Note the mounting direction (individual sealing lips facing out).
•
Grease the new seal from the set of wearing parts and insert it into the
slots in the bearing cap and end cap (the rear bearing cap on cylinders with
through piston rod (S2 / S20)).
Note
Note the mounting direction.
The through-holes for the self-tapping screws must not be covered by
the seal and the closed lug
2
must be pointing upwards towards the
compressed air connection
1
.
2
1
4.3.6
Attaching the bearing and end caps
•
To protect the bearing and seals, place the appropriate mounting sleeve
(see chapter
7.2 "Special tools"
) on the thread of the piston rod to prevent
damage.
•
Guide the bearing cap (both bearing caps on cylinders with through piston
rod (S2 / S20)) over the mounting sleeve onto the piston rod as far as the
cylinder barrel.
•
Place the end cap at the other end of the cylinder barrel.
•
Apply the screw locking agent contained in the set of wearing parts to the
two screws.
•
Turn the screws through the bearing and end caps (through both bearing
caps on cylinders with through piston rod (S2/S20)) into the cylinder barrel.
• Align the bearing and end caps flush with the cylinder barrel.
•
Tighten the screws using the appropriate torque (see table).
Type
Torque
DZH-25
3 Nm
DZH-32
3 Nm
DZH-40
6 Nm
DZH-50
12 Nm
DZH-63
DZF-63-…-P-A
DZF-63-…-P-A-S6
DZF-63-…-A-P-A-S6
DZF-63-…-A-P-A-S2
DZF-63-…-A-P-A-S20
25 Nm
6 Nm
19 Nm
19 Nm
19 Nm
19 Nm
•
Perform a functional test as per the operating instructions (enclosed with
the cylinder or can be called up on the Festo website (
www.Festo.com
)) and
commission the repaired cylinder.
