3.2 CONTROL THERMOSTAT
Should this component prove to be faulty, it is not
normally repairable. It must be replaced, using the
following procedure:-
a) Drain pan.
b) Remove control panel. (Refer to Section 3.1)
c) Identify control thermostat and remove push-on
connections. First note their locations.
d) Using a stubby pozidriv screwdriver, remove
thermostat from control panel.
e) Remove heating element as detailed in Section
3.4.
f) Remove cover plate on element hinge block
through which capillary tube passes. Manoeuvre
capillary tube and phial through moving hinge tube.
g) Feed capillary tube and phial through hole in base
of hinge block. Remove thermostat.
h) Replace thermostat in reverse order, taking care
that capillary tube is well clear of element
terminals.
Note
When fitting a new thermostat, fit existing insulating
sleeving over capillary tubing. Ensure that no tubing
is left exposed to possible contact with live parts.
Coil the excess capillary tube by wrapping it round a
suitable mandrel of approximately 1
1
/
2
" diameter.
When fitting gland, ensure it is tightened firmly but do
not overtighten. Always check fitting for leaks by
re-filling with oil and heating to maximum
temperature.
When fitting thermostat to control panel, ensure that
earth bonding wire is replaced below one of the
thermostat fixing lugs. Take care that coiled capillary
tubing is clear of any live parts when control panel is
replaced.
Re-fit the thermostat in reverse order to removal.
3.3 PILOT LAMPS - TO REPLACE
a) Remove control panel. (Refer to Section 3.1)
b) Pull off lamp connections.
c) Undo hex nut at rear of lamp and remove lamp.
Replace in reverse order.
3.4 HEATING ELEMENT - TO REPLACE
To replace element, proceed as follows:-
a) Drain pan.
b) Remove basket support bar from element and fully
raise element.
c) Remove fixings on underside of element terminal
box.
d) Remove element terminal box cover plate by
prising up lower edge with a screwdriver.
e) Lower element and remove guard (4 fixings).
f) Remove element push on connections. First note
their locations.
g) Remove fixings which secure element to terminal
box. Remove element.
Replace in reverse order and ensure that oil
resistant gasket is fitted below element mounting
plate.
Important
Earth bonding connections are provided with
shakeproof or spring washers. It is important that
these be correctly replaced during re-assembly.
3.5 SAFETY THERMOSTAT
3.5.1 To Re-set
In event of control thermostat failure resulting in
overheating of the oil, the safety thermostat will
operate and will switch off all power to elements.
To re-establish circuit, it will be necessary to re-set
the safety thermostat.
Allow fryer to cool and remove control panel (refer to
Section 3.1). This will reveal safety thermostat which
is mounted on rear of controls compartment.
To re-set, firmly press red button.
On double pan models, LH and RH thermostats are
appropriate to LH and RH pans respectively.
3.5.2 Safety Thermostat - To Replace
a) Drain pan.
b) Remove control panel. (Refer to Section 3.1)
c) Identify safety stat and remove push-on
connections. First note their locations.
d) Using a stubby pozi screwdriver, remove stat from
mounting bracket.
e) Remove heating element as detailed in Section
3.4.
f) Remove cover plate on element hinge block,
through which capillary tube passes. Manoeuvre
capillary tube and phial through moving hinge
tube.
g) Feed capillary tube and phial through hole in base
of hinge block. Remove thermostat.
h) Replace thermostat in reverse order. Ensure
capillary tube is well clear of element terminals.
After replacing thermostat, press red button firmly to
ensure contacts are in closed condition.
3.7 TILT SWITCH
Located in element reminal box, this should require
no maintenance.
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