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Home > Puma (Tdci) > Wiper park switch - FIXED!

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Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

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

12th Jun 2018 9:37pm

GREENI

Member Since: 22 Aug 2010
Location: staffs
Posts: 10381

A typical Ham home brew fix

12th Jun 2018 9:43pm

LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324

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

12th Jun 2018 9:47pm

miker

Member Since: 13 Sep 2015
Location: Surrey
Posts: 1763

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?

12th Jun 2018 10:42pm

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

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

12th Jun 2018 10:46pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20359

Good job.

$W33T $0U7H3RN $UG4R
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12th Jun 2018 11:03pm

Peter Td4

Member Since: 23 Oct 2010
Location: Antwerp, Belgium
Posts: 228

2008 Defender 110 Puma 2.4 HCPU Santorini Black

Love this. Well done

Peter,

Defender 110 StaWa - Td5
Defender 110 HCPU - Puma
Defender 90 Soft Top - Td5

13th Jun 2018 8:46am

Nevillerover

Member Since: 14 Feb 2015
Location: Suffolk
Posts: 224

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.

17th Feb 2019 11:47am

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