OM/SM-BPM-E CE 1
3.7.4
Calibration
The high limit thermostat is of the fixed type. Its
calibration point may not be adjusted.
WARNING
IF THE HIGH LIMIT THERMOSTAT FAILS TO CUT
OFF AT 230ºC IMMEDIATELY TURN OFF THE
POWER. CONDUCT AN INVESTIGATION TO
DETERMINE THE FAULT, AND CORRECT IT
BEFORE USING THE APPLIANCE AGAIN.
3.8
Removal of Contactor
(Turn electricity main off)
a) Remove electrical cabinet top panel assembly and
side panel as described in Paragraph 3.2.
b) Loosen the screws on terminal to allow removal
of the wires.
c) Disconnect electrical leads from the contactor.
d) Remove the screws at the base of the contactor.
e) Remove contactor.
f) Replace in reverse order.
3.9
Removal of Transformer
a) Remove electrical cabinet lid and side panel, as
described in Paragraph 3.2 above.
c) Disconnect electrical connections.
b) Remove protective cover over the terminals.
d) Remove screws at the base of the transformer.
e) Remove transformer.
f) Replace in reverse order.
3.10 Fuse Replacement
a) Remove electrical cabinet top panel assembly and
3.11 Removal of Heating Element(s)
a) Identify the heating element that needs replacing
by checking its continuity and resistance. Specified
resistance of a new heating element should be
between 43 and 47.5 Ω (Ohm’s).
b) Remove electrical cabinet top panel cover
assembly as described in Paragraph 3.2.
c) Disconnect leads of the heater(s) to be
replaced from the contactors.
d) Remove cover from bottom of the braising pan
by removing four nuts. (see page 11 & Fig. 1).
e) Remove appropriate clamping nuts and
cast iron clamps.
f) Remove defective heaters.
g) Thread heater wires through the high
temperature sleeve and the trunion to remove
the heater.
h) Install new heater elements and tighten the
nuts to 13 (± 0.6) newton-meters.
i)
Route heater wires through the sleeve and
trunion to the contactor and connect per
wiring schematic.
side panel as described in Paragraph 3.2.
b) Remove fuse from fuse holder.
c) Replace fuse with an identical fuse.
d) Replace in reverse order.
Transformer
Fuse
Contactor
