TM 55-1520-240-23-9
11-117
ASSEMBLE THRUST, PITCH OR YAW VISCOUS DAMPER (1025-930 OR 10-25-940)
(AVIM)
(Continued)
11-117
19.
Position case (2) with port (27) up. Fill case and
abutment (11) with damper fluid (E176). Turn
shaft (8) clockwise then counterclockwise during
filling until fluid in port is air free. Use cloth
(E120) for spilled fluid.
INSPECT
20.
Install packing (38) on screw (39).
21.
Install screw (39) in port (27) of abutment (11).
22.
Lockwire four screws (37) and screw (39). Use
lockwire (E231).
INSPECT
FOLLOW-ON MAINTENANCE:
Adjust thrust, pitch or yaw viscous damper (Task
11-121).
END OF TASK
11-557