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Festo 7CRDNGb_en
•
Only with CRDNG-125-…-PPV-A-S2
– Grease the new O-rings and insert them into the bearing caps.
– Insert the sleeves into the bearing caps.
–
Apply a thin film of grease to the new cushioning seals on the front side
of the sealing surface and insert them into the bearing caps.
•
Apply the screw locking agent included in the set of wearing parts to
the thread of the tie rods.
•
Lightly screw the tie rods into the end cap.
•
Only on cylinders with through piston rod (S2)
– Lightly tighten the screws on one side onto the tie rods.
– Insert the tie rods with the screws through the holes in the bearing caps
from one side.
•
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 (both bearing caps on cylinders with through piston
rod (S2)) 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 (hold the screws in
the second bearing cap in place on cylinders with through piston rod (S2 )).
•
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.