
SP-5 Service Manual
8
Figure 8
Figure 7
Figure 6
HEAT THERMOSTAT (B2) (#15253)
Disassembly Instructions:
1. Disconnect main voltage.
2. Remove the “Air Box”.
3. Disconnect the thermostat bulb from its holder and
pull it through the roof.
Assembly Instructions:
1. Assemble in reverse order according to steps 1-3
above.
NOTE: The thermostat should be turned clockwise
as far as possible (250°C - 480°F).
REQUIRED PARTS
QUANTITY
POSITION
Heating Thermostat
1
2
FAN WHEEL
Disassembly Instructions:
1. Disconnect main voltage.
2. Remove “Air Box”.
3. Remove the nut holding the fan wheel. Note the left
hand threads.
Assembly Instructions:
1. Assemble in reverse order according to steps 1-3
above.
REQUIRED PARTS
QUANTITY
POSITION
Fan Wheel
1
1
FAN MOTOR (#15263)
Disassembly Instructions:
1. Disconnect main voltage.
2. Remove the fan wheel
3. Remove the PT-500 Thermocouple.
4. Remove the air duct.
5. Disconnect the electrical feed wires.
6. Change the fan.
Assembly Instructions:
1. Assemble in reverse order according to steps 1-6
above.
REQUIRED PARTS
QUANTITY
POSITION
Fan Motor
1
1