OCEM 3 Series Use And Maintenance Manual page 21

Position the LHA unit on the supports suitably fixed to the ground and insert the alignment washer (3a) and the
increased washer (3b). Screw, without tightening, the upper nut (3c).
If on the support surface of the tool there is dust or dirt, carefully clean the surface before
proceeding.
Position the clinometer on the front transverse tubular in centred position. Act on the lower nuts (3c) and (3d) of
the front supports to adjust the alignment (0°) of the unit.
Position the clinometer on the rear support bracket, by fastening it with 2 knurled screws (supplied with the
clinometer). Act on the lower nuts (3c) and (3d) of the rear support to adjust the tilt angle (i) of the unit.
Adjust each unit according to the installation parameter provided (in compliance with the
tolerance values indicated).
UT-MT-0972_1.0_19-09-2022 (EN)
Use and Maintenance Manual
i [°]
standard large runway
#
runway with ILS
1
2° 30' (2,50°) 2° 25' (2,42°)
2
2° 50' (2,83°) 2° 45' (2,75°)
3
3° 10' (3,17°) 3° 15' (3,25°)
4
3° 30' (3,50°) 3° 35' (3,58°)
allowed tolerance:
+3' (+0,05°)/-0' (-0,00°)
LED PAPI 66
i [°]
standard
#
runway
1
3° 45' (2,75°)
2
3° 15' (3,25°)
allowed tolerance:
+3' (+0,05°)/-0' (-0,00°)
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