Weighing; Leveling - Longitudinal And Lateral - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
1132
104
SEAT RAILS
LATERAL
/ (LONGITUDINAL)
\
Figure 2-7. Leveling - Longitudinal and Lateral
CAUTION
Be sure to apply sufficient tail support ballast; otherwise the
airplane will tip forward and fall on the fuselage nose section.
c.
Raise the jacks evenly until all three wheels clear the surface.
2-13. WEIGHING. (Refer to Figure 2-6.) The airplane may be weighed by the following procedure:
a.
Position a scale and ramp in front of each of the three wheels.
b.
Secure the scales from rolling forward and tow the airplane up onto the scales. (Refer to Towing.
paragraph 2-17.)
c.
Remove the ramp so as not to interfere with the scales.
d.
If the airplane is to be weighed for weight and balance computations.
level the airplane per
instructions given in paragraph 2-14.
2-14. LEVELING. All configurations of the airplane are provided with a means for longitudinal and lateral
leveling. The airplane may be leveled while on jacks during the weighing procedure. while the wheels are on
scales. or while the wheels are on the ground. To level the airplane for purposes of weighing or rigging. the
following procedures may be used:
a. To longitudinally level the airplane. partially withdraw the two leveling screws located on the right
side of the fuselage nose section at station 57.00 and 35.00 (Refer to Figure 2-7.) Place a spirit level on these
screw heads and deflate the nose wheel tire or adjust the jacks until the bubble of the level is centered.
b. To laterally level the airplane. place a spirit level across the two center seat rails of the cabin (Refer to
Figure 2-7) and deflate the tire on the high side of the airplane or adjust eitherjack until the bubble of the level
is centered.
Revised: 10/15/82
HANDLING AND SERVICING
lB15