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cup removal from the anemometer

Discussion specific to Fine Offset and similar rebadged weather stations
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neil
Posts: 71
Joined: Sat 10 Jan 2009 8:36 pm
Weather Station: Maplin N96FY (WH1081)
Operating System: Windows 10
Location: Broadstairs, Kent
Contact:

cup removal from the anemometer

Post by neil »

I have looked at Gina`s photos and notice the cups can be removed.
after over 3 years service the bearings were starting to stick at very low wind speeds.
I have a spare anemometer which i have fitted but would like to renovate the original.
Is it a case of simply pulling the cups from the body or am i missing something there is no obvious grub screws or fixings so I assume its just friction.
The anemometer is ok again now after a good flush though with water but i would still like to take it apart without breaking it.
many thanks
Neil
Thanetweather home page http://www.thanetweather.co.uk
goldrush
Posts: 183
Joined: Mon 27 Oct 2008 4:50 pm
Weather Station: Fine Offset WH1081
Location: Aberdeenshire, Scotland
Contact:

Re: cup removal from the anemometer

Post by goldrush »

The anemometer plastic cup centre section is a push fit on the bearing outer, effectively sealing it, so spraying with WD40 etc is not often effective.
Thus, gently prise the plastic bearing "cup" by sliding a couple of wide thin blades on opposite sides between it and the anemometer mounting body, levering upwards.
A drop of light oil (such as sewing machine oil) on the bearing race cures it.
Image
neil
Posts: 71
Joined: Sat 10 Jan 2009 8:36 pm
Weather Station: Maplin N96FY (WH1081)
Operating System: Windows 10
Location: Broadstairs, Kent
Contact:

Re: cup removal from the anemometer

Post by neil »

Many thanks
it will be stripped down tomorrow
Neil
Thanetweather home page http://www.thanetweather.co.uk
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