TM 1-1520-238-23
5-176
Change 8
5.37.
MAIN ROTOR FEATHERING BEARING HOUSING REMOVAL/INSTALLATION – continued
(2) Apply a fine bead of sealant to the outer
edges and to both faces of washer (4) while
the sealant is still tacky, install the washer (4)
in place centered with the feathering bearing
(1) and nut (3). Use sealing compound
(item 177, App F).
(3) Install washer (4) and nut (3).
(4) Torque nut (3) to 320 FOOT-POUNDS. Use
torque wrench, adapter, and socket.
f. Apply sealing compound to joints around bolt head, washer, nuts, and exposed threads. Use sealing
compound (item 177, App F) and spatula set.
g. Inspect (QA).
h. Install main rotor pitch housing (para 5.26).
i. Install main rotor lead lag link bearing retainer and rotor hub bearing (para 5.32).
END OF TASK
