Weight And Balance; Serial Number Plate; Access And Inspection Provisions; Tools And Test Equipment - Piper APACHE PA-23-235 Service Manual

*PIPER AZTEC SERVICE MANUAL
2-4. WEIGHT AND BALANCE DATA. Whenfiguringvariousweightandbalancecompu-
tations, the weight and empty weight center of gravity of the airplane may be found in the
Weight and Balance Form of the Airplane Flight Manual.
2-5. SERIAL NUMBER PLATE. The Serial Number Plate for airplanes with Serial
Numbers 27-1 to 27-3559 inclusive is located on the top of the tail stringer, underneath the
rudder. The Serial Number Plate on airplanes with Serial Numbers 27-3560 and up is located
on the bottom of the fuselage just forward of the tail skid. Airplane Serial Numbers will be
used in this manual where model differences occur, and should be used when contacting the
factory on service or warranty matters. M.A.A. plate is located under the rug in front of the
co-pilot's seat.
2-6. ACCESS AND INSPECTION PROVISIONS. The access and inspection provisions
for the airplane are shown in Figures 2-7 and 2-8. The component to be serviced or inspected
through each opening is assigned an index number to identify it in illustration. All access plates
and panels are secured by either metal fasteners or screws. To enter the aft section of the fuse-
lage, remove the rear baggage compartment upholstery panel by removing the attaching
screws.
CAUTION
Before entering the aft section of the fuselage, be sure the
airplane is supported at the tail skid.
2-7. TOOLS AND TEST EQUIPMENT.
Because of the simplicity and easy accessibility
of components, few special tools outside normal shop tools will be required. Tools that are
required may be fabricated from dimensions given in the section that pertains to a particular
component or are listed in the back of the PA-23-250 Parts Catalog.
2-8. TORQUE REQUIREMENTS.
The torque values given in Table II-III and Table II-IV
are derived from oil-free cadmium-plated threads and are recommended for all airframe in-
stallation procedures when torquing is required, unless otherwise noted. Engine torque values
are found in the latest revision of Avco-Lycoming Service Bulletin No. 268.
HANDLING AND SERVICING
Reissued: 2/18/81
1C8