19
Figure 3: Replacement of a Heating Element
Warning
Disconnect the furnace from the
power supply before servicing.
Refer servicing to qualified
personnel.
Note
Perform only maintenance
described in this manual.
Contact an authorized dealer or
our factory for parts and
assistance.
Note
It is seldom necessary to dis-
connect the thermocouple from
the controller if the thermocou-
ple is in good condition.
Step 1(if equipped)
Thermocouple cover
Porcelin
insulation
Step 2
Step 3
Step 4
Step 5
Step 6
Heating element
with rough side up
Straight edge
(or board)
Bend up
Maintenance and Servicing
To Replace Heating Element
1.
Set the furnace on its top. (See Figure 3).
Remove thermocouple cover. (If
equipped.)
2.
Remove screw and clamp holding ther-
mocouple, then grasp the thermocouple
at the bend where it enters the furnace
chamber and pull straight back. Retain
porcelain insulator.
3.
When the thermocouple tip is clear of the
furnace back, bend it out of the way.
4.
Remove the screws holding the steel
back plate to the case.
5.
Remove the steel back plate.
Summary of Contents for FB1310M
Page 27: ...27 Wiring Diagrams FB 1400 models FB1300 models ...
Page 28: ...EXPLODED VIEW 28 ...
Page 29: ...EXPLODED VIEW 29 ...
Page 31: ...31 ...