TM 55-1520-240-23-9
11-165
ADJUST DIFFERENTIAL AIRSPEED HOLD (DASH) ACTUATOR
(Continued)
11-165
16.
Apply electrical and hydraulic power.
17.
Position pointer (4) at neutral line (3) as follows:
a.
Set power switches (6 and 7) to ON.
b.
Set METER SOURCE switch (8) to
ACTUATOR DRIVE.
c.
Set ACTUATOR DRIVE DASH switch (9) to
OFF.
d.
Set FEEDBACK MONITOR switch (10) to
DASH.
e.
Set ACTUATOR DRIVE DASH switch (9) to
EXT. Hold until pointer (4) is aligned with
NEUTRAL line (3) on plate (2), then set
switch (9) to OFF.
INSPECT
18.
Shutdown electrical and hydraulic power.
19.
If no further testing is required, shut down AFCS
line test set 145G009-1 (TM 55-4920-429-13).
FOLLOW-ON MAINTENANCE:
Perform AFCS interface test (Task 11-280).
Remove copilots pitch travel quadrant and pointer
(Task 11-25).
Remove copilots rigging fixture (Task 11-23).
Install closet panel (Task 2-2).
Install closet acoustic blanket (Task 2-108).
END OF TASK
11-680