NORAC UC4.5-BC-SS1 - Manual (Page 14)

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5.4 Rainflap Installation
Rainflaps are only installed in the wing sensor brackets and are not installed for
120’ booms.
1. Insert one side of the rainflap rod into the pre-bent hinge tab on the sensor bracket.
(Figure 8)
Figure 8: Rainflap Rod in Pre-Bent Hinge Tab
2. Align the other side of the rainflap rod with the unbent hinge tab. (Figure 9)
Figure 9: Align Rainflap Rod
3. 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 10)
Figure 10: Bend Rainflap Hinge Tab
4. 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).