with fallen debris.
(ix)Replace boiler flueway bricks in reverse manner of
withdrawal, then locate boiler combustion separator baffle
in original position.
(x) Replace hotplate ensuring the underside ribs lie over
the combustion chamber, and that it seals to the top plate.
(xi)Replace both oil burners and remake all connections,
etc., in the reverse manner of dismantling as described
under section - “
TO REMOVE COOKER AND BOILER
BURNERS”.
To Remove Cooker Thermostat - See Fig. 24
a. Isolate the electricity supply (switch
OFF
and remove
plug).
b. Pull off the two thermostat knobs. Remove four screws
securing control panel cover to L.H. side plate and
remove cover.
c. Disconnect two electrical leads thermostat body and
earth terminal. See Fig. 28 for connections.
d. Remove two securing screws holding thermostat body
mounting plate. Unscrew thermostat spindle locknut to
detach cooker thermostat from mounting bracket.
e. Open top oven door and using a screwdriver, remove
two fixing screws securing inner L.H. side to expose the
located thermostat phial - See Fig. 24.
f. Unclip thermostat phial from L.H. side of roasting oven
and reset phial to face across the oven width instead of
facing in depth.
Withdraw thermostat phial end capillary tube clear of oven
and cooker front plate until it is fully exposed at L.H. side
of appliance.
g. Fit replacement thermostat and assemble in reverse
order of dismantling. Electrical leads to be reconnected
as previously - See Fig. 28 for connections.
To Remove Boiler Thermostat - See Fig. 24
a. Isolate the electricity supply (switch
OFF
and remove
plug).
b. Pull off the two thermostat knobs. Remove four screws
securing control panel cover to L.H. side plate and
remove cover.
c. Remove split pin from boiler thermostat pocket.
d. Remove and withdraw boiler thermostat phial from
boiler phial pocket.
e. Disconnect two electrical leads from thermostat body
and earth terminal. See Fig. 14 for connections.
f. Unscrew thermostat spindle locknut to detach boiler
thermostat from mounting plate.
g. Fit replacement thermostat and assemble in reverse
order of dismantling. Electrical leads to be reconnected as
previously. See Fig. 28 for connections.
To Remove Oven Temperature Indicator
a. Open roasting oven door fully and remove four screws
securing inner lining panel to outer door.
b. Remove inner lining panel and slagwool insulation.
c. Unscrew two hexagon nuts securing indicator to outer
door and remove indicator.
d. Fit replacement indicator in reverse order of
dismantling.
To Remove Main or Pilot Oil Solenoid - See Fig. 25
a. Isolate the electricity supply (switch
OFF
and remove
plug), remove the side cover panel via its fixing screws.
See Fig. 16.
b. Detach solenoid cable connection from terminal block.
c. Isolate oil supply by turning
OFF
isolating valve on
inlet to oil control valve. (Operate trip).
d. Place a small tray receptacle on floor beneath the oil
solenoid. Break inlet/outlet connections of main or pilot oil
solenoid at points
A
and
B
or
C
and
D
and allow surplus
oil to run into any receptacle.
e. Remove inlet/outlet connection fittings from main or
pilot solenoid, clean threaded ends and re-coat with oil
sealant. Refit to solenoid.
f. Re-assemble in reverse of dis-assembly and
reconnect electrical cable leads to terminal block.
The main oil solenoid valve is now ready for use.
17
Fig.22
Fig.23
Fig.21 Burner oil level checking method
DESN511020
DESN511021 A
