NORMAL PROCEDURES
PREFLIGHT CHECK:
1. Throttle - CLOSED OR RETARDED.
2. Battery master switch - ON
3. Landing gear circuit breaker - either IN or OUT.
4. (Airplanes incorporating the on-off and test function in
one switch.)
Place the ON-OFF-TEST switch in the TEST position.
Proper functioning of the automatic landing gear exten-
sion portion of the system is indicated by the noise or
movement of the solenoid in the landing gear position
switch. The ON-OFF-TEST switch returns normally to
the ON position unless the pilot places the switch in the
OFF position.
5. (Airplanes equipped with on-off and press-to-test
. switches.)
Place the ON-OFF switch in the "ON" position and push
the PRESS-TO-TEST. Proper functioning of the automa-
tic landing gear extension portion of the system is indi-
cated by the noise or movement of the solenoid in the
landing gear position switch. The PRESS-TO-TEST
switch will not operate the solenoid unless the on-off
switch is in the "ON" position.
6. Landing gear circuit breaker - IN before takeoff.
OPERATION
1. Landing Gear Extension - With the landing gear safety
system switch in the ON position the landing gear will be
automatically extended when: (1) the airspeed is below
approximately 104 kts/120 mph IAS and (2) the engine is
2of3
FAA Approved
Revised: April 1981
P/N 35-590110-13
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