TM 1-1520-238-T-7
11–128
11–19.
COLLECTIVE FLIGHT CONTROLS – RIGGING OPERATIONAL CHECK (cont)
11–19
WARNING
Maintenance personnel must be warned verbally prior to moving the
collective or cyclic stick. Any control activated can result in sudden blade
movement that can sever or crush fingers or hands.
NOTE
If referenced out of one paragraph or volume and into another for
additional troubleshooting, upon completion of the task, return to the
maintenance operational check for the original paragraph or volume.
1. Complete the rigging operational check as follows:
Task
Result
a. Move pilot collective stick (fig. 11–62) to mid
travel position. Install -3 rig pin in collective
stick and housing.
CPG COLLECTIVE STICK
PILOT COLLECTIVE STICK
-3 RIG PIN
-7 RIG PIN
M70-135
Figure 11–62.
Collective Sticks
b. In CPG collective stick and housing
(fig. 11–62), install -7 rig pin and collective
stick warning flag.
If rig pin cannot be installed, perform lower collective
flight control rigging between pilot and CPG collective
sticks (TM 1-1520-238-23).
c. In collective servocylinder bellcrank
(fig. 11–63), install -9 rig pin and collective
stick warning flag.
If rig pin cannot be installed, perform lower collective
flight control rigging between pilot and CPG collective
sticks and collective servocylinder bellcrank
(TM 1-1520-238-23).
