Operating and Maintenance Manual
PAPI 400
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Fig.5-8 Typical position and angle of PAPI system
(In case of 3 degree as approach angle)
5.4.3 Method of setting angle
1) Release 2 toggle switches of rear side of PAPI Unit and remove body cover of the unit.
2) Place `level support` of clinometer set on aiming device support of PAPI unit as Fig.5-11.
3) Place clinometer on level support as Fig. 5-10. Direction of clinometer shall be as Fig. 5-
9.
Fig.5-9 Direction of Clinometer
4) Place spirit level on
①
rear position of spirit level on level support as Fig. 5-11. Adjust
rear two setting sleeve of PAPI unit to set rear level while watch the spirit level.
5) After completion of adjustment of rear level, fix lock bolts of setting sleeve of rear 2 legs.
Front side of
PAPI unit