TM 55-1520-240-23-10
12-2
TEST CENTER WINDSHIELD ANTI-FOGGING ELEMENT
(Continued)
12-2
PILOT’S OR COPILOT’S WINDSHIELD HEATING
ELEMENT
NOTE
Heating element cannot be seen. It
is built into windshield.
Procedure is same to test pilot’s or
copilot’s windshield, pilot’s windshield
is shown here.
1.
Remove screw (1), lockwasher (2), and flat
washer (3) from terminal (4). Disconnect wire (5).
2.
Measure resistance between terminals (4 and 6).
Resistance shall be as follows:
Part No.
Vendor
Resistance
(ohms)
114SS601
All
5.6 to 7.6
114SS604
PPG
9.5 to 13.5
114SS604
Sierracin
6.0 to 9.0
Vendor identification is at upper edge of
windshield.
3.
Connect wire (5) to terminal (4). Install flat
washer (3), lockwasher (2), and screw (1).
CENTER WINDSHIELD HEATING ELEMENT
4.
Remove screw (1), lockwasher (2), and flat
washer (3) from terminal (7). Disconnect wire (8).
5.
Measure resistance between terminals (7 and 9).
On windshields 114SS602 or 114SS604 series,
resistance shall be 39.8 to 53.8 ohms.
6.
Connect wire (8) to terminal (7). Install flat
washer (3), lockwasher (2), and screw (1).
12-7
