Piper PA-28-161 Pilot Operating Handbook page 164

SECTION 8 PIPER AIRCRAFT CORPORATION
HANDLING, SERV & MAINT
PA-28-161, WARRIOR II
(4) When taxiing over uneven ground, avoid holes and ruts.
(5) Do not operate the engine 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.
(c) Parking
When parking the airplane, be sure that it is sufficiently pro-
tected from adverse weather conditions and that it presents no
danger to other aircraft. When parking the airplane for any length
of time or overnight, it is suggested that it be moored securely.
(1) To park the airplane, head it into the wind if possible.
(2) Set the parking brake by pulling back on the brake lever
and depressing the knob on the handle. To release the
parking brake, pull back on the handle until the catch
disengages; then allow the handle to swing forward.
CAUTION
Care should be taken when setting brakes that
are overheated or during cold weather when
accumulated moisture may freeze a brake.
(3) Aileron and stabilator controls should be secured with the
front seat belt and chocks used to properly block the
wheels.
(d) Mooring
The airplane should be moored for immovability, security and
protection. The following procedures should be used for the proper
mooring of the airplane:
(1) Head the airplane into the wind if possible.
(2) Retract the flaps.
(3) Immobilize the ailerons and stabilator by looping the seat
belt through the control wheel and pulling it snug.
(4) Block the wheels.
REPORT: VB-1180
8-6
ISSUED: AUGUST 13, 1982