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service. The regulation also stipulates that the pilot must also
complete the appropriate logbook entries. The following is a list of the
maintenance that the pilot may perform:
• Note •
The pilot should have the ability and manual procedures for
the work to be accomplished.
The pilot may not accomplish any work involving the removal
or disassembly of primary structure or operating system, or
interfere with an operating system, or affect the primary
structure.
• Remove, install, and repair tires.
• Clean, grease, or replace wheel bearings
• Replace defective safety wire or cotter pins.
• Lubrication not requiring disassembly other than removal of
nonstructural items such as access covers, cowlings, or fairings.
• Caution •
Do not use unapproved lubricants. Unapproved lubricants
may damage control system components, including but not
limited to engine and flight controls. Refer to the Airplane
Maintenance Manual for approved lubricants.
• Replenish hydraulic fluid in the hydraulic and brake reservoirs.
• Refinish the airplane interior or exterior (excluding balanced
control surfaces) with protective coatings.
• Repair interior upholstery and furnishings.
• Replace side windows.
• Replace bulbs, reflectors and lenses of position and landing lights.
• Replace cowling not requiring removal of the propeller.
• Replace, clean or set spark plug gap clearance.
March 2010
Information Manual 8-9
Cirrus Design Section 8
SR20 Handling, Servicing, Maintenance
• Replace any hose connection, except hydraulic connections, with
replacement hoses.
• Clean or replace fuel and oil strainers, as well as replace or clean
filter elements.
• Replace prefabricated fuel lines.
• Replace the battery and check fluid level and specific gravity.
Logbook Entry
After any of the above work is accomplished, appropriate logbook
entries must be made. Logbook entries should contain:
• The date the work was accomplished.
• Description of the work.
• Number of hours on the aircraft.
• The certificate number of pilot performing the work.
• Signature of the individual doing the work.
Logbooks should be complete and up to date. Good records reduce
maintenance cost by giving the mechanic information about what has
or has not been accomplished.
March 2010
8-10 Information 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 1 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 1 switch ‘off.’
2. Pull external power source plug.
March 2010
Information Manual 8-11
Cirrus Design Section 8
SR20 Handling, Servicing, Maintenance
Towing
The airplane may be moved on the ground by the use of the nose
wheel steering bar that is stowed in the rear baggage compartment or
by power equipment that will not damage or excessively strain the
nose gear assembly. The steering bar is engaged by inserting it into
lugs just forward of the nose wheel axle.
• Caution •
While pushing the aircraft backward, the tow bar must be
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西锐20飞机信息手册CIRRUS DESIGN SR20 AIRPLANE INFORMATION MA(91)
