TM 1-1520-238-T-7
Change 5
11347
1188. STABILATOR MAINTENANCE OPERATIONAL CHECK (cont)
1188
M70-199
ND / NU
SWITCH
RESET
PUSHBUTTON
Figure 11127.
Collective Stick
Task
Result
To prevent damage to stabilator during movement, be sure stabilator is
clear of all obstructions before proceeding.
CAUTION
(c) Pulse ND/NU switch to ND to verify
downward movement.
(d) Pulse ND/NU switch to ND until
STAB POS indicator (fig. 11126)
indicates (35 2) ND position.
If stabilator does not move down, go to paragraph
11134.
If top piston fails to move stabilator (only bottom
piston of actuator moves), go to paragraph 11125.
If bottom piston fails to move stabilator (only top
piston of actuator moves), go to paragraph 11126.
If pilot and CPG STAB POS indicators do not indicate
35 2 ND, go to paragraph 11100.
If stabilator does not move to 35 2 ND, refer to
TM 1-1520-238-23 to rerig stabilator.