TM 5-4520-253-13
lNSPECT/TEST/REMOVE/lNSTALL SAFETY THERMOSTATS AND FLAME
S W I T C H A N D B R A C K E T A S S E M B L Y ( C O N T)
2. Remove flame switch and bracket assembly and upper overheat thermostat as follows:
a.
b.
c.
d.
e.
Remove two screws (1) and lock washers (2). Pull flame switch and bracket assembly (3)
out of opening (4) in heater bulkhead.
Disconnect quick disconnect terminals (5) of yellow and grey wires (6 and 7) from upper
overheat thermostat (8).
Remove two screws (9), lock washers (10), and nuts (11 ). Lift off thermostat (8)
If further removal is desired, disconnect red and violet wires from flame switch (12) and red
and brown wires from flame switch (13).
Pry out grommet (14) and pull wires through opening in flame switch and bracket
assembly (3).
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