4-3. EN GINE PRE-START COCK PIT CHECK (cont)
ELEC TRI CAL POWER - ON
NOTE: If ex ter nal power is used, con nect and op er ate Ground
Power Unit (GPU) in ac cor dance with GPU man u fac tures
in struc tions.
z
Amber EXT PWR light illuminated (Refer
to Fig. 4-2) when GPU is connected to
external power receptacle.
CHECK
z
BATTERY switch
ON
NOTE: Min i mum bat tery power re quired 20V dc with 500 amp
load. Max i mum power al lowed 28.5V dc with 500 amp load.
NOTE: Bat tery switch will re main in ON po si tion dur ing GPU
start.
z
Lights
AS REQUIRED
z
Ignition key
ON
NOTE: A prop erly op er at ing en gine-out warn ing sys tem is
in di cated by flash ing in di ca tor lights in cau tion and warn ing light
panel, a beep ing warn ing horn in cock pit and an au dio sig nal in
head set. Horn and au dio sig nal will be dis abled if gen er a tor
(GEN) switch is set to OFF.
z
ENGINE OUT warning system check
GEN SWITCH ON
THEN OFF
z
Fuel gauge
CHECK READING
z
All other instruments
CHECK
z
Transmission; engine-out warning lights
ON
z
Press-to-test caution and warning lights
CHECK
Normal Procedures
Pilot's Flight Manual
Schweizer RSG, LLC.
Model 269D Helicopter
4-16
Reissued:
16
Jan 2019
FAA Approved
Book 3.indd 104
8/4/19 1:25 PM
