Learjet 35 - Page 47

Leerjet 35/36 Developed for Training Purposes 2B-23
December 1998
Expanded Normal Procedures
TEST Button . . . . . . . . . . . . . . . . . . . .DEPRESS AND HOLD
Control Wheel Trim Switch . . . . . . . . . . . . . . . . . . .NOSE DN
Without depressing arming button, move to NOSE DN while
holding moderate pull force on control column. PITCH
annunciator extinguishes; autopilot disconnect horn sounds
within six seconds. Normally, roll axis disengages along with
the pitch. If such disengagement does not occur, disregard
because roll axis disengagement is not required.
ENG Button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEPRESS
Control Wheel Master Switch . . . . . . . . . . . . . . . . DEPRESS
Check that autopilot pitch and roll disengage.
Autopilot Monitor (FC 530 Autopilot):
The ADI and HSI flags do not have to be retracted to com-
plete this check.
AUTOPILOT Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ON
Ensure the PWR annunciator on the Autopilot Controller illu-
minates.
TST Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEPRESS
Check that all annunciators on the Autopilot Controller illu-
minate.
ENG and TST Buttons . . . . DEPRESS SIMULTANEOUSLY/
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .THEN RELEASE
MON, PITCH, and ROLL annunciators illuminate, then extin-
guish. Disengage tone sounds. The ROLL annunciator
extinguishes in approximately eight seconds and the PITCH
annunciator extinguishes in approximately 11 seconds. The
LVL ON annunciator illuminates when the ROLL annunciator
extinguishes. PWR and LVL ON annunciators remain illumi-
nated.