rada 425-t3 Product Manual page 28

Re-assembly
18. Insert the shuttle fully into the port sleeve (wider open end) with radius centre
face inwards (refer to Figure 8), ensuring that the separator seal remains in place
and is not damaged.
19. Insert shuttle seat into the port sleeve, ensuring that the cut-outs locate into the
webs in the shuttle.
20. Insert the return spring through the centre of the overload spring. Insert both
springs into the shuttle seat rear face.
21. Locate the retaining cap over the springs, compress and screw the cap fully into
the port sleeve, ensuring that the threads are correctly engaged.
22. Replace the port sleeve screens, positioning the joint against one of the two
solid sections. This will prevent debris entering through the slot in the screen.
23. Insert the shuttle and sleeve assembly into the valve body and secure in positon
with the four screws.
24. Install the actuator sleeve and the thermostat assembly into the shuttle assembly.
25. Install the drive nut and the temperature spindle into the cover.
Note! The drive nut will need to be aligned with the grooves inside the cover
26. Fit the cover. Rotate the cover so that it is positioned in the same position as it
was when you removed it. Secure the cover in position with the eight screws
27. Fit the pressure washer and secure the spindle in position with the circlip. Make
sure that the circlip locates correctly in the groove in the temperature spindle.
28. Before fitting the hub, the temperature will need resetting; refer to
COMMISSIONING.
29. Fit the cover shroud and secure in position with the two screws.
30. Re-fit the temperature knob and secure with the screw.
Port Sleeve
Assembly
Shuttle and Sleeve Assembly
Shuttle
Figure 8
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