2.3.
2
Put a levelling bar across the four seat rails adjacent to the cargo door.
2.3.
3
Set up the Transit theodolite (Pt.No. T05-005):
2.3.
3.1
Adjust the tripod to allow readings to be taken at a level approximately 100 to 200 mm (3.9 to 7.9 in) below
lowest point of fuselage.
2.3.
3.2
Level the theodolite base, turn through 360° and check each 90° to make sure that the base is level.
2.3.
3.3
Level the theodolite head by turning leveling adjuster to match bubble halves visible through the small leveling
eyepiece.
2.3.
4
Hold the tape measure against the bottom of the front levelling bar.
2.3.
5
Zoom and focus the theodolite on the tape and make a note of the reading.
2.3.
6
Hold the tape measure against the bottom of the rear levelling bar.
2.3.
7
Zoom and focus the theodolite on the tape and make a note of the reading.
2.3.
8
Compare the front and rear readings. If the readings are not the same, adjust the tail jack and do the check
again.
Note
The recorded reading is the Correction Factor. The Correction Factor is needed to help determine the
deformation check.
2.4 Lateral Levelling Check
Note
If it is not possible to do the lateral levelling check because of damage to the wing(s), contact Pilatus for the
data on how to continue.
2.4.
1
Set up the Transit theodolite (Pt.No. T05-005):
2.4.
1.1
Adjust the tripod to allow readings to be taken approximately 750 mm (29.5 in) below RP 6.
2.4.
1.2
Level the theodolite base, turn through 360° and check each 90° to make sure that the base is level.
2.4.
1.3
Level the theodolite head by turning leveling adjuster to match bubble halves visible through the small leveling
eyepiece.
2.4.
2
Hold the tape measure against the RP 6 left.
2.4.
3
Zoom and focus the theodolite on the tape and make a note of the reading.
2.4.
4
Hold the tape measure against the RP 6 right.
2.4.
5
Zoom and focus the theodolite on the tape and make a note of the reading.
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 27 MSN 545, 1001-1719, 1721-1942
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-05-50-06-00A-282A-A
UNCLASSIFIED
19.11.2019 Page 4