NORAC UC4+BC+TA1 - Manual (Page 15)

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Rainflaps are only installed in the
wing sensor brackets.
4. Insert one side of the rainflap rod into the
pre-bent hinge tab on the sensor bracket.
(Figure 7)
Figure 7: Rainflap Rod in Pre-Bent Hinge
Tab
5. Align the other side of the rainflap rod with
the unbent hinge tab. (Figure 8)
Figure 8: Align Rainflap Rod
6. Bend the hinge tab inward over the rainflap
rod until the hinge tab fits securely in the
detent groove on the backside of the sensor
bracket. (Figure 9)
Figure 9: Bend Rainflap Hinge Tab
7. Ensure the rainflap actuates smoothly when
the bracket is turned upside down and
returns to the open position when the
sensor bracket is returned to its operating
position (sensor pointing downwards toward
the ground).