TM 55-1520-240-23-4
5-23
INSTALL PITCH-VARYING HOUSING
(Continued)
5-23
14.
Install packing (23) and lower plug (24) on
housing (5). Torque plug to 24 inch-pounds.
15.
Service pitch bearing oil tank (25) until oil
reaches top of housing (5) (Task 1-57).
16.
Install packing (26) and upper plug (27). Torque
plug to 24 inch-pounds. Lockwire plug to lower
plug (24). Use lockwire (E231).
17.
Continue servicing pitch bearing oil tank (25)
until oil reaches center of sight indicators (28)
(Task 1-56).
INSPECT
FOLLOW-ON MAINTENANCE:
Pressure test rotary-wing head (Task 5-5).
Install rotary-wing blade (Task 5-84).
Close work platform (Task 2-2).
END OF TASK
5-117
