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Festo 7CRDNGb_en
•
Push the cylinder barrel with the piston onto the end cap.
•
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 over the mounting sleeve onto the piston rod as far
as the cylinder barrel.
•
Screw the screws in the bearing cap onto the tie rods.
•
Tighten the screws with the appropriate torque (see table).
Type
Torque
CRDNG(S)-32
6 Nm
CRDNG(S)-40
6 Nm
CRDNG(S)-50
10 Nm
CRDNG(S)-63
14 Nm
CRDNG(S)-80
19 Nm
CRDNG(S)-100
30 Nm
CRDNG(S)-125
70 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.
4.5
Repairing the adjustable end-position cushioning (PPV)
Note
The end-position cushioning (PPV)
cannot
be disassembled on cylinders
with a piston diameter of 32 mm.
Components of the end-position cushioning (PPV):
1
Bearing cap
2
Outer threaded insert
3
Egulating screw
4
O-ring of the regulating screw
5
Inner threaded insert
6
O-ring from the threaded hole of the bearing cap
7
Location hole for the PPV in the bearing cap or end cap
1
2
4
3
5 6
7
4.5.1
Disassembling the adjustable end-position cushioning (PPV)
•
Unscrew the outer threaded insert
2
all the way out of the bearing cap or
end cap.
•
Remove any residue of the screw locking agent from the thread of the outer
threaded insert
2
.
2