25
Re-assembly
10.
Install the pinned actuator into the shuttle assembly.
11.
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.
12.
Install the thermostat into the drive nut. Install the cover, lining up the pinned
actuator with the thermostat. 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.
13.
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.
14.
Before fitting the hub, the temperature will need resetting; refer to
COMMISSIONING
.
15.
Fit the cover shroud and secure in position with the two screws.
16.
Re-fit the temperature knob.
Cleaning/Renewal of Parts
8.
The interior surface of the mixing valve body must be clean before refitting the
thermostat assembly. Rinse the valve interior thoroughly in clean water to remove
any debris before refitting the thermostat assembly.
Note!
The body interior must be cleaned carefully and not damaged in any way.
Do not use any abrasive material.
9.
Examine all accessible seals for signs of deformation or damage, and renew as
necessary, taking care not to damage the seal grooves.
Maintenance Procedure -
Port Sleeve/Shuttle Assembly
Removal (refer to Figures 6 and 7)
1.
Turn the isolation screw on the isolator valves through 90
o
to isolate the water
supplies to the valve . Open an outlet fitting to release pressure and to assist the
draining of residual water.
2.
Remove the temperature knob concealing cap and then the screw using the 3
mm hexagonal wrench (supplied). Remove the temperature knob.
3.
Remove the two screws holding the cover shroud in position and remove the
cover shroud.
4.
Remove the hub, the circlip and the pressure washer.
5.
Remove the eight screws and remove the cover. Note the position of the stop on
the cover, so that it can be re-assembled in the same position.
6.
Remove the temperature spindle and drive nut.
