TM 55-1520-240-23-4
5-23.2
INSTALL ROTARY-WING HEAD TIE-BAR ASSEMBLY (Continued)
5-23.2
CAUTION
Do not install wrong balance weights
on a pitch housing. Use of wrong
balance weights will cause head to be
unbalanced.
18.
Remove tag from three weights (25, 26, and 27).
Install weights, washer (28), and nut (29) on bolt
(23). Torque nut to 35 inch-pounds.
NOTE
Color of tape on housing must be
same as color marked on tag.
19.
Install packing (30) on plug (31).
20.
Install plug (31) in housing (15). Torque plug
to 24 inch-pounds. Lockwire (E231) plug to
housing.
21.
Service pitch bearing oil tank (32) (Task 1-56).
22.
Install packing (33) on plug (34).
23.
Install plug (34) in tank (32). Torque plug to
24 inch-pounds. Lockwire plug to tank. Use
lockwire (E231).
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).
Remove tiedown lines from aft and forward blades
(Task 1-26).
Install hub oil tank (Task 5-17).
END OF TASK
5-128
