TM 1-1520-238-23
2-362.4
Change 5
2.99A.
STRUCTURAL ASSEMBLY (DOPPLER MOUNT) REMOVAL/INSTALLATION – continued
(8 PLCS)
2
1
13
14
M04-5187-3
2.99A.6. Installation
NOTE
Ensure electrical bonded surfaces are clean prior to installing new mount.
a. Install mount (1) on fuselage (2).
(1) Position mount (1) under fuselage (2).
(2) Install four screws (13) and washers (14) on mount (1) at corner locations. Torque screws (13), in a
crisscross pattern, to 25 INCH–POUNDS. Use torque wrench.
NOTE
The remaining four screws will be installed during doppler mount boresighting.
b. Perform doppler mount boresighting (TM 9-1230-476-20-1).
c. Perform electrical bond check on attaching hardware.
(1) Bond shall be 0.0025 OHM or less (TM 55-1500-323-24). Use ohmmeter.
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