TM 55-1520-240-23-10
13-50
REMOVE HEATER THERMOSTATIC SWITCHES
13-50
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Paper Tags (E264)
Electrical Tape (E385)
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Heater Compartment Acoustic Blanket Removed
(Task 2-208)
NOTE
Removal procedure is same for all
three heater thermostatic switches
except for wire connections. Overrun
and overheat switches have three
wires; cycle switch has two. Removal
of fan overrun switch is shown here.
1.
Tag and disconnect three wires (1) from switch
(2) by removing two screws (3). Tape wire ends.
13-154
