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Festo 7DZF / DZHb_en
4.4.6
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 included in the set of wearing parts to the
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 fl ush with the cylinder barrel.
•
Tighten the screws using the appropriate torque (see table).
Type
Torque
DZH-16
3 Nm
DZH-20
3 Nm
DZH-25
6 Nm
DZH-32
11 Nm
DZH-40
11 Nm
DZH-50
15 Nm
DZH-63
15 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.