Supplied By www.heating spares.co Tel. 0161 620 6677
24
Part No. 5000893
6.13 Thermostat
Assembly
-
Thames
a. Gain general access - see 6.2.
b. Drain the appliance - see 6.8.
c. Remove the thermostat phial from its
pocket.
CAUTION:
To prevent possible damage to
the heating unit, release the split tubing
nut with a suitable spanner whilst
supporting the phial housing hexagon
boss with a second spanner.
d. Remove the 2 long screws to detach the
thermostat assembly and spacer from the
throttle body.
e. Remove the rubber grommet from around
the capillary tube in the chassis base then
pull the thermostat phial down through the
hole.
Re-Assemble as Follows:-
f. Feed the thermostat phial through the
hole in the chassis base. Re-fit the
thermostat assembly and spacer to the
throttle body, ensure that the spacer is
correctly located between the thermostat
flange and the retaining plate and that the
drain hole in the spacer is at the bottom
when relative to the whole appliance.
g. Ensure the 'O' ring is correctly seated
within the thermostat phial housing,
carefully insert the phial taking care not to
disturb the 'O' ring. Re-fit the rubber
grommet around the capillary tube in the
chassis base.
6.14 Throttle Assembly - Thames
a. Gain general access - see 6.2.
b. Drain the appliance - see 6.8.
c. Remove the thermostat assembly - see
6.13.
d. Release the feed pipe union nut.
e. Release the screw and plate securing the
sensing tube to the water governor.
f. Release the union nut securing the
heating unit to the throttle at the chassis
base.
Note:
When removing the throttle
assembly, the temperature selector
spindle will disconnect itself from the
throttle body. On re-assembly the rod
must be positioned before the throttle is
secured in place.
g. Remove the 2 screws securing the throttle
to the chassis base then remove the
throttle.
Replacement Of Parts
Fig. 42
Fig. 43
Fig. 44