TM 1-1520-238-T-7
11–350
Change 5
11–88. STABILATOR – MAINTENANCE OPERATIONAL CHECK (cont)
11–88
Task
Result
i. Press pilot RESET pushbutton. STAB POS
indicator will return to 25 2 ND.
j. Slowly move collective input servocylinder
input linkage to aline and install –9 rig pin
with F. S. 165 bellcrank rig pin hole (fig.
11–128).
VIEW ROTATED
RIG PIN
SERVOCYLINDER
BODY
FS165.00
BELLCRANK
M70-374
Figure 11–128.
Collective Stick Housing Rig Pin Installation
NOTE
Increasing pitot tester airspeed will decrease STAB POS indicator readings.
k. On pitot tester, set airspeed to zero (0) knots
and connect right pitot tester hose to right
pitot tube and left pitot tester hose to left
pitot tube TM 55-4920-400-13.
