LEVELING

TTP	B1-L1	ATA08
Cessna 172	B2-L1

           

PTP Cessna 172	B1	LOC		SGH
	B2	LOC		SGH

Required tools, equipment and materials-.
Leveling Points
Lateral Leveling.
(1) Find two points that are the same on each upper door sill of the left and right cabin doors.
(2) Put a level in position across these points.
NOTE: Out-of-level tolerance for wing tips is three inches total.
(3) Make a note of the airplane's lateral position.
(4) If applicable, put jacks in position at the wings and tail jacking points.
(a) Adjust the wing jacks as required to get the necessary lateral position.
Longitudinal Leveling.
(1) Find the two screws on the left side of the airplane tailcone that are in line with water line zero.
(2) Remove the screws.
(3) Install studs or long screws of applicable length (approximately two inches long).
(4) Put the level in position on the studs or screws.
(5) Make a note of the airplane's longitudinal position.
(6) If applicable, put jacks in position at the wings and tail jacking points. 
(a) Adjust the tail jack as required to get the necessary longitudinal position.