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Festo 7DGC-Kb_en
14. Push the piston module forwards out of the cylinder barrel until the entire
piston cap module sticks out.
15. Thread the cover strip through the piston module and leave half of it
protruding from the cylinder barrel at the front.
16. Insert the front spring and wiper seal into the piston module.
17. Insert the piston module back into the centre of the cylinder barrel.
18. Pull half of the cover strip backwards out of the cylinder barrel.
19. Push the piston module backwards out of the cylinder barrel until the entire
piston cap module sticks out.
20. Insert the rear spring and wiper seal into the connection.
21. Insert the piston module back into the centre of the cylinder barrel.
22. Align the cover strip so that it protrudes equally on both sides of the
cylinder barrel.
23. Push the front and rear end cap module onto the cylinder barrel.
Note
Ensure that the sealing band and cover strip are correctly inserted in the end
cap module. Do not bend or compress the sealing band as this may damage
or tear it and reduce its service life.
24. Remove the screw locking agent from the flange screws.
25. Apply LOCTITE 243 to the flange screws.
26. Screw the flange screws into the front and rear end cap module and tighten
the screws to the appropriate torque (see table).
Type
Tightening torque
DGC-K-25-…
5 Nm ±10%
DGC-K-32-…
11 Nm ±20%
DGC-K-40-…
11 Nm ±20%
DGC-K-50-…
15 Nm ±20%
DGC-K-63-…
15 Nm ±20%
27. Screw the threaded pins for the sealing band and cover strip into the front
and rear end cap module and tighten them to the appropriate torque (see
table).
Type
Tightening torque
DGC-K-25-…
0.7 Nm ±20%
DGC-K-32-…
0.7 Nm ±20%
DGC-K-40-…
0.7 Nm ±20%
DGC-K-50-…
0.7 Nm ±20%
DGC-K-63-…
0.7 Nm ±20%
28. Carry out a functional test on the repaired linear drive or commission it as
per the user manual included.
The user manual can also be viewed and downloaded on the Festo website
(
www.festo.com
).