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M
S
AINTENANCE AND
Note
Pull the thermocouple straight out of
the hole in the chamber to avoid dam-
age to the insulation.
Note
Do not pull excessively on the internal
wires.
ERVICING
4)
Remove the thermocouple.
5)
Insert the new thermocouple straight through
hole in the chamber until the tip extends
approximately 1" into the chamber. Make sure
the thermocouple lead wire with the colored
bead is connected to the terminal marked
positive.
6)
Secure the thermocouple extension wires to the
terminals (yellow to +).
7)
Secure the thermocouple with clip, screw and
washer.
8)
Replace the back cover.
9)
Reconnect furnace to power supply.
10) Test the operation of the furnace.
To Replace Door Switch
(Micro-Switch)
1)
Disconnect the furnace from power supply.
2)
Remove the screws from the front dial and the
three bottom screws and lock washers on the
back cover of the control section.
3)
Remove the back terminal cover.
4)
Disconnect the two wires on terminals T1 and
T2 going to the control section.
5)
Slide the control section forward.
6)
Remove two screws and nuts from the door
switch and slide the switch from the wire rod.
7)
Disconnect the wires from the door switch.
Identify or mark the wires disconnected to insure
proper placement and connection when rein-
stalling.
8)
Reconnect the wires identified or marked in step
7 to the new door switch.
37
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