Sharp R-360ES Specifications Page 256

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8-10 P/N 13999-002 Info Manual
Section 8 Cirrus Design
Handling, Servicing, Maintenance SR20
Ground Handling
Application of External Power
A ground service receptacle, located just aft of the cowl on the left side
of the airplane, permits the use of an external power source for cold
weather starting and maintenance procedures.
• WARNING •
If external power will be used to start engine, keep yourself,
others, and power unit cables well clear of the propeller
rotation plane.
To apply external power to the airplane:
• Caution •
Do not use external power to start the airplane with a ‘dead’
battery or to charge a dead or weak battery in the airplane.
The battery must be removed from the airplane and battery
maintenance performed in accordance with the appropriate
Airplane Maintenance Manual procedures.
1. Ensure that external power source is regulated to 28 VDC.
2. Check BAT and AVIONICS power switches are ‘off.
3. Plug external power source into the receptacle.
4. Set BAT switch to ON. 28 VDC from the external power unit will
energize the main distribution and essential distribution buses.
The airplane may now be started or electrical equipment
operated.
5. If avionics are required, set AVIONICS power switch ON.
• Caution •
If maintenance on avionics systems is to be performed, it is
recommended that external power be used. Do not start or
crank the engine with the AVIONICS power switch ‘on.
To remove external power from airplane:
1. If battery power is no longer required, set BAT switch ‘off.
2. Pull external power source plug.
September 2011
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