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Shax



Member Since: 05 Oct 2010
Location: London
Posts: 391
England 2010 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Wiper park switch - FIXED!
The wipers on my Puma decided to stop parking in the correct place a couple of months back, and despite swapping the park switch, they still didn't park at the bottom of the cycle..
I pulled the switch apart, and the springy contact has a stress crack right across the weld point.. And as a consequence, the switch doesn't return to the correct terminal..

Deciding to try and save £14 for yet another switch, this will be number three, I have repaired the duff original..
It's simple to do.. The hard part is getting the switch body apart.. But it comes apart with careful application of a scalpel along the join line..

I soldered on a small piece of thin brass shim to act as a brace for the contact arm, and after a bit of filing to remove excess solder, and a minor fettle to get the contact arm in the right place, it went back together with no problems..

I've attached a couple of images to show what I've done..



Click image to enlarge
The cracked contact..





Click image to enlarge
The cracked contact (different view)





Click image to enlarge
Soldered "repair".. Still needs cleaning up..





Click image to enlarge
Contacts back in switch, repair and contact point arrowed.. ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB
Post #712133 12th Jun 2018 10:37pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 10358
United Kingdom 
A typical Ham home brew fix Bow down
Post #712134 12th Jun 2018 10:43pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240
United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
heh, heh, I love these types of repair. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #712135 12th Jun 2018 10:47pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1758
United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Top repair!

A friend of mine has a PCB/desktop vice just like that, but can't remember where he got it. You wouldn't happen to have a link?
Post #712140 12th Jun 2018 11:42pm
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Shax



Member Since: 05 Oct 2010
Location: London
Posts: 391
England 2010 Defender 90 Puma 2.4 XS CSW Stornoway Grey
https://www.amazon.co.uk/Universal-Holder-...B00TKGFUUU

Mine only came with the 3mm pins, not the silicone versions, but I boutght a few extra pins on ebay, and used some silicone tube from the model shop!! ... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB
Post #712141 12th Jun 2018 11:46pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19531
United Kingdom 
Good job. Thumbs Up Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #712143 13th Jun 2018 12:03am
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Peter Td4



Member Since: 23 Oct 2010
Location: Antwerp, Belgium
Posts: 227
Belgium 2008 Defender 110 Puma 2.4 HCPU Santorini Black
Love this. Well done Thumbs Up Peter,

Defender 110 StaWa - Td5
Defender 110 HCPU - Puma
Defender 90 Soft Top - Td5
Post #712162 13th Jun 2018 9:46am
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Nevillerover



Member Since: 14 Feb 2015
Location: Suffolk
Posts: 224
United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Sumatra Black
The tricky bit is getting the new switch (or repaired one) back on, the clip will come off and you will lose it.
Solution = before you even try, cut a small piece of wood just big enough to jam into the recess in the switch above the clip making sure it is sub flush, then the clip can't move and the switch will go on first attempt.
Post #759193 17th Feb 2019 12:47pm
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