Piper Navajo PA-31 Service Manual page 38

NOTE
ENSURE SUFFICIENT BALLAST ON TAIL SUPPORT TO
OFFSET WEIGHT OF AIRCRAFT
SEE NOTE
TOOL
71973-2
Figure 2-6. Jacking Arrangement
2-8. GROUND HANDLING.
2-9. INTRODUCTION TO GROUND HANDLING. Ground handling covers all essential information
governing the handling of the airplane while on the ground. This includes jacking, weighing. leveling, mooring
parking, towing and taxiing. When the airplane is handled in the manner described in the following para-
graphs, damage to the airplane and its equipment will be prevented.
2-10. JACKING. The airplane is provided with a jacking pad on each main sparjust outboard of the engine
nacelle, and two support positions under the fuselage. One at the tail skid and the other between fuselage
stations 25.75 and 43.35; both along the fuselage centerline. (Refer to Figure 2-6.) Tojack the airplane, proceed
as follows:
a. Place the wing jacks under the wing jack pads.
b. Position the tail support stand under the tail skid and attach the stand to the tail skid.
c. Position the nose jack and jack pad tool P/N 71973-2underthe nosesection betweenstations 25.75
and 43.35.
d. Raise all jacks evenly until all three wheels clear the floor.
CAUTION
If the nose jack and jack pad tool are not used be sure to apply
sufficient tail support ballast, otherwise the airplane could tip
forward and fall on the nose section.
2-11. WEIGHING. (Refer to Figure 2-7 ) 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 2-15.)
Revised: 11/15/82
HANDLING AND SERVICING
PIPER NAVAJO SERVICE MANUAL
1B14