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normally connected to the rain gauge.
Manually move the bucket assembly and look for he switch closure.
Upon completion of testing and cleaning of the ga
ge, replace the outer cover and funnel and
recheck the level of the gauge using a carpenter ’s level across the top of the gauge. Adjust
the leveling knobs at the mounting feet if the level is out of adjustment.
Replace or repair any of the gauge components that appear to be damaged or are not
functioning properly. The outer funnel should be replaced if the rim has become dented or
bent. Repaint the outer cover as needed. Replace any hardware that is missing or has become
rusted and corroded. Inspect the signal and any power cables for signs of wear or damage
that may expose the wires. Replace the cables as needed. Use wire ties to secure the cables
to prevent damage from high winds. For best results, use conduit to protect the cables.
Chapter 6: Troubleshooting
Failure of the rain gauge to operate usually is the result of loose wiring. Inspect the cable
connections to ensure the connections are solid and are correctly made.
Inspect the motion of the bucket assembly to ensure that the buckets move smoothly and
without any interference. Check the magnet to see that it passes over the switch without any
physical contact and that the switch closes when the magnet passes over it. Should the bucket
motion appear to be sticky, remove the bearings and inspect them for wear. Annual
replacement of the bearings may be necessary in areas where there are high amounts of rain.
Check the inlet funnel and funnel screens for blockage whenever the rain gauge operation
appears to be low or missing. Also inspect the drain tubes for debris that may interfere with
the bucket motion.
Whenever the rain gauge output appears to be too high, check to ensure that the gauge is still
level and recheck the calibration.
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equipmen
by observing the data of the monitoring