Figure 4: Vertical line of the reticle points to the center of the fixture
3.
Make sure tilt and roll is OK by checking that the spirit level bubble is within the black tolerance circle.
Figure 5: Spirit level bubble should be within the black circle
4.
Tighten the 3 screws of the adjustment plate on the underside of the light fixture to a torque of 9 Nm
using a torque wrench.
5.
At the fixtures furthest away from the runway, turn the rifle scope 180°, or follow Method 2.
Installation and Maintenance Instructions - LED AGL Runway Guard Lights - type 921
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