3.4.2 To Replace
In order to replace safety thermostat it will be
necessary to remove unit from its location on stand
or table. Adopt the following procedure:
a) Drain pan.
b) Remove control panel as detailed in Section 3.1.
c) Disconnect supply connections and remove unit
from its location to enable it to be turned on its
side later.
d) Remove element as detailed in Section 3.3.
e) Remove cover plate on element hinge block
through which capillary tube passes. Manoeuvre
capillary tube and phial through moving hinge
tube.
f) From front, remove two fixings that secure the
base plate and remove the plate.
g)
Turn the appliance on to its side and remove
safety thermostat from mounting bracket. Pull off
connections.
h) Feed capillary tube and phial through hole in base
of hinge block and remove the thermostat.
j) Replace thermostat in reverse order, taking care
that capillary tube is well clear of element
terminals.
k) Replace elements (see Section 3.3). Also replace
base panel and the control panel.
m) Fill pan with oil and heat it up. Carry out installation
tests.
3.5 DRAIN VALVE - TO REMOVE
Drain pan.
Remove control panel as detailed in Section 3.1.
Undo compression fitting nut at rear of valve,
adjacent to pan (turn it clockwise).
Remove saddle clamp at front and remove valve.
Fit a new valve in reverse order. Apply a small
quantity of high melting point grease to sliding parts of
operating lever and also to circular shaped plate on
which end of spindle runs.
3.6 TILT SWITCH
Located in element terminal box, this component
should require no maintenance.
