Maintenance
20
INOXPA S.A.U.
10.248.30.03EN · (0) 2019/09
8.6. DISASSEMBLY AND ASSEMBLY OF THE ACTUATOR
Do not apply compressed air until the disassembly/assembly process is completed. The figure is a schematic
representation of some of the steps in the actuator disassembly process.
8.6.1. Disassembly
1. Loosen the 4 bolts (32) and remove the cap (39).
2. Remove the air fitting (18A).
3. Situate the actuator in the base of the clamp or in the lathe
collet. A thick tube (102) and a shim (101) must be used
on the free end of the actuator.
4. Apply force to the shim. Once the cover (12) has dropped
15
– 20 mm, remove the snap ring (45). This should have
sufficient free space to be able to remove it.
5. Reduce the force on the shim slowly until the top cover is
free (you will note that the spring no longer exerts
pressure).
6. Remove the cover (12) and the internal components,
spring assembly (06) and piston (30).
7. Take out the seals (20A and 20B), the scraper (60) and
the guide (11) from the cover (12).
8. Take out the seals (20 and 20C) from the piston (30).
9. Dismount the scraper (60), seal (20B) and guide (11) from
the base of the actuator.
8.6.2. Assembly
1. Mount the scraper (60), seal (20B) and guide (11) on the
base of the actuator.
2. Mount the seals (20A and 20B), the scraper (60) and the
guide (11) for the cover (12).
3. Put the seals (20 and 20C) on the piston (30).
4. Put the piston (30) and the spring assembly (06) inside the
cylinder (01).
5. Mount the top cover (12) on the cylinder.
6. Apply force to the shim so it lowers 15
– 20 mm. Insert the
snap ring (45).
7. Reduce the force applied slowly until the tool no longer
touches the cover.
8. Install the counter cover (3) and screw in the 4 bolts (32).
9. Install air fitting (18A).
10. Apply compressed air to check the proper functioning of
the actuator
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