TM 1-1520-238-T-7
Change 5
11–349
11–88. STABILATOR – MAINTENANCE OPERATIONAL CHECK (cont)
11–88
Task
Result
To prevent damage to stabilator during movement, be sure stabilator is
clear of all obstructions before proceeding.
CAUTION
(12) On pilot collective stick (fig. 11–127):
(a) Toggle ND/NU switch up and down.
Verify stabilator moves up and
down.
If stabilator does not move either up or down or STAB
MAN DC circuit breaker does not stay closed, go to
paragraph 11–98.
(b) Open then close STAB MAN DC
circuit breaker. Toggle ND/NU
switch up. Verify stabilator moves
up.
(c) Open then close STAB MAN DC
circuit breaker. Toggle ND/NU
switch down. Verify stabilator
moves down.
(d) Release ND/NU switch. Verify pilot
and CPG MAN STAB indicators
remain lighted.
If stabilator moves up (verify either actuator extends)
but not down, go to paragraph 11–127.
If stabilator moves down (verify either actuator
retracts) but not up, go to paragraph 11–128.
If MAN STAB indicator on pilot and CPG
caution/warning panel does not remain lighted when
ND/NU switch is released, go to paragraph 11–99.
