TM 55-1520-240-23-9
11-79
RIG COPILOT’S COCKPIT CONTROL ASSEMBLY
(Continued)
11-79
RIG THRUST CONTROL
21.
Insert rig pin (25) in rigging hole (26) of thrust
idler bellcrank (27) and through rigging holes in
bottom and top of assembly (3).
22.
Check that a line through centers of bolts (30 and
31) is parallel with the rear edge (28) of fitting
(29) as follows:
a.
Hold scale (40) against read edge (28) of
fitting (29).
b.
Measure distance from center of each bolt to
edge of scale (40) as shown.
c.
Subtract smaller dimension from larger
dimension. This value shall be 0.06 inch or
less.
d.
If valve is 0.06 inch or less go to step 30. If
valve is greater than 0.06 inch, repeat steps
23 thru 29.
23.
Loosen nut (38) of link (37).
24.
Remove cotter pin (32), nut (33), two washers
(34 and 35) and bolt (36) from bellcrank (27).
Disconnect thrust connecting link (37) from
bellcrank.
After adjusting rod ends insure that
safety holes of connecting links are
blocked to insure adequate thread
engagement.
25.
Turn rod end (39) until link can be positioned in
bellcrank (27), with bolt (36) inserted, and the
bolt center to edge measurements between two
bolts (30 and 31) and edge (28) are equal. Use
two scales (40).
26.
Install bolt (36), two washers (35 and 34), and
nut (33).
27.
Torque nut (33) to 30 to 45 inch-pounds. Install
cotter pin (32).
28.
Check bolt (36). Bolt shall not rotate with torque
less than 10 inch-pounds. There shall be no
axial looseness. If bolt rotates or is loose, add
washer under nut and repeat step 27.
29.
Torque nut (38) to 103 inch-pounds.
INSPECT
11-411
