External Power Receptacle; Servicing Fuel System - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
CAUTION
Do not tow airplane with control locks installed.
In the event towing lines are necessary, lines (rope) will be attached to both main gear struts just
below the side brace link attachments. Ascertain that cowl flap doors are closed. Lines should be long
enough to clear the nose and/or tail by not less than 15 feet, and a qualified person to ride in the pilot's
seat to maintain control by use of the brakes.
2-18. TAXIING. Before attempting to taxi the airplane, ground personnel should be checked out by a
qualified pilot or other responsible person. on the engine starting and shut-down procedures and any other
system functions which may be required to properly and safely service this airplane. When it is ascertained that
the propeller backblast and taxi areas are clear, apply power to start the taxi roll and perform the following
checks:
a.
Taxi forward a few feet and apply brakes to determine their effectiveness.
b.
Taxi with propellers set in low pitch, high RPM setting.
c.
While taxiing, make slight turns to ascertain the effectiveness of the steering.
d.
Observe wing clearance when taxiing near buildings or other stationary objects. If possible,
station a guide outside the airplane to observe.
e.
When taxiing on uneven ground, avoid any holes and ruts.
f.
Do not operate the engines at high RPM when running up or taxiing over ground containing loose
stones, gravel or any loose material that may cause damage to the propeller blades.
2-19. EXTERNAL POWER RECEPTACLE.
2-20. OPERATION OF EXTERNAL POWER RECEPTACLE. The external power receptacle is located
on the underside of the nose section below the forward side of the baggage compartment door. To a oid any
damage to the airplanes electrical system follow the instructions on the access door of the power receptacle.
NOTE
When using a 24-volt battery for external power starting and the
airplanes battery is nearly depleted the instructions given in
Section XI must be followed.
2-21. SERVICING.
2-22. GENERAL. Servicing the airplane includes the replenishment of fuel, oil, hydraulic fluid, tire
pressures, lubrication requirements and other items required to completely service the airplane.
2-23. FUEL SYSTEM.
2-24. SERVICING FUEL SYSTEM. At intervals of 50 hours or 90 days, whichever comes first, clean the
screens and bowl in each fuel filter unit located between each wing and the fuselage. Remove and clean the
filters in accordance with the instructions outlined in Section IX. Additional service information may also
be found in Section IX. Inspection intervals of the various fuel system components may be found in
Section III.
Reissued: 9/23/80
HANDLING AND SERVICING
1B19