TM 55-1520-240-23-9
11-91
INSTALL CONTROL PALLET STA 95
(Continued)
11-91
3.
On helicopters without 74 perform the following
steps:
a.
Remove nut (7) and washer (8). Slide bolt (9)
outboard and position yaw input link (10) in
yaw idler bellcrank (11).
b.
Install bolt (9), washer (8), and nut (7) in
bellcrank (11). Do not tighten nut at this time.
Remove tag from link (10).
c.
Remove nut (12) and washer (13). Slide bolt
(14) outboard and position thrust input link
(15) in thrust idler bellcrank (16).
d.
Install bolt (14), washer (13), and nut (12) in
bellcrank (16). Do not tighten nut at this time.
Remove tag from link (15).
e.
Position clamp (17) on wires (18) from thrust
potentiometer (19). Install screw (20), spacer
(21), and nut (22).
f.
Position two clamps (23 and 24) on wire (18).
Install two screws (25 and 26).
g.
Connect eight wires (18) to terminal block
(27). Install eight washers (28) and nuts (29)
to block. Remove tags from wires.
h.
Connect two connectors (30) of yaw CPT
(31) to receptacles (32) on structure (33).
Remove tag.
i.
Connect connector (34) to thrust CCDA (35).
Remove tag.
j.
Connect connector (36) to yaw magnetic
brake (37). Remove tag.
k.
Perform pallet yaw control rig check (Task
11-48).
l.
Perform pallet thrust control rig check (Task
11-48).
m.
Torque two nuts (7 and 12) to 30 to 60
inch-pounds. Install two cotter pins (38 and
39).
n.
Check two bolts (9 and 14). Bolts shall not
rotate with torque less than 10 inch-pounds.
There shall be no axial looseness. If bolts
rotate or are loose, add washer under nuts
and repeat step m.
INSPECT
11-489
