TM 55-1520-240-23-10
13-51
INSTALL HEATER THERMOSTATIC SWITCHES
13-51
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
None
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
NOTE
Installation procedure is same
for all three heater thermostatic
switches except for wire connections.
Overrun and overheat switches have
three wires; cycle switch has two.
Installation of fan overrun switch is
shown here.
1.
Slide switch (1) into transition duct (2).
2.
Install three screws (3).
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