Piper Navajo PA-31 Service Manual page 40

PIPER NAVAJO SERVICE MANUAL
b. To laterally level the airplane, place a spirit level across the two center seat rails of the cabin
(Refer to Figure 2-9.) and deflate the tire on the high side of the airplane or adjust either jack until the
bubble of the level is centered.
2-13. MOORING. The airplane is moored to insure its immovability, protection and security under various
weather conditions. The following procedure gives the instructions for proper mooring of the airplane.
a. Head the airplane into the wind, if possible, and close engine cowl flaps.
b. Block the wheels.
c.
Insert the internal control lock and/or control surface locks.
d. Secure tie-down ropes to the wing tie-down rings and the tail skid at approximately 45 degree
angles to the ground. When using rope constructed of nonsynthetic material, leave sufficient slack to avoid
damage to the airplane when the ropes contract due to moisture.
CAUTION
Use square or bowline knots. Do not use slip knits.
NOTE
Additional
preparations for high winds include using tie-down
ropes from the landing gear forks, and securing the rudder.
e. Install pitot tube cover(s) if available.
2-14. PARKING. When parking the airplane, insure that it is sufficiently protected against adverse weather
conditions and presents no danger to other aircraft. When parking the airplane for any length of time or
overnight, it is recommended that it be moored as in Paragraph 2-13.
a.
To park the airplane, head it into the wind, if possible.
b. Set the parking brake by applying toe pressure against the top of the rudder pedals and at the
same time pull out on the brake handle. To release the parking brake, apply toe pressure on the pedals and
push in on the parking brake handle.
Reissued: 10/12/79
HANDLING AND SERVICING
1B16