18
7. Maintenance
(0) 2018/05
7.5.
DISASSEMBLY/ASSEMBLY OF THE INNOVA J
7.5.1.
Disassembly
1.
Loosen nut (26) and unscrew screw (22).
2.
Apply compressed air to the actuator (10A) so that the plug
shaft (08) passes the open position.
3.
Loosen and separate the clamps (34).
4.
Separate the actuator (10) and bottom port (02) from the
valve housing (01).
5.
Remove seal (20B) from bottom port (02).
6.
Release the compressed air in the actuator.
7.
Unscrew the Allen bolts (23) from the lantern (21).
8.
Unscrew the plug shaft (08) from the actuator shaft two 17
mm crescent spanners.
9.
Finish unscrewing the plug shaft by hand.
10.
Once the plug shaft is out, remove the housing cap (12) and
the seals inside it (20B and 05).
11.
Remove the guide bushing (17).
12.
Remove the seat seal (05C) as explained in section
7.6. Replacing the seat seal.
7.5.2.
Assembly
1.
Insert the lantern (21) underneath the actuator.
2.
Fit the guide bushing (17) on the lantern (21).
3.
Lubricate the seals with soapy water if necessary.
4.
Install the seals (20B and 05) in the housing cap (12) and put
this assembly in the lantern.
5.
Install the seat seal (05D) as explained in section
7.6. Replacing the seat seal.
6.
After the seat seal is installed (05D), then screw in the plug
shaft (08) with the actuator shaft (10A).
7.
Tighten the four Allen bolts (23) that secure the lantern (21)
to the actuator (10A).
8.
Apply compressed air to the actuator so that the plug shaft
(08) is in the open position.
9.
Install the seal (20B) in bottom port (02).
10.
Assemble bottom port (02) and intermediate housing (01)
and secure it using clamps (34).
11.
Mount the actuator (10) - lantern (21) - plug shaft (08) -
housing cap (12) assembly to the valve housing (01) (can be
turned 360º according to the user’s needs) and secure it
using the clamp (34).
12.
Release the compressed air in the actuator.
13.
Set the screw (22) and lock the nut (26).
See section 8.2.1. Exploded drawing For a reference to the parts
described.
Note!
To replace the seat seal, see section 7.6. Replacing the seat
seal.
