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spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658

Wiper arm question

Any way of adjusting the spring inside the wiper arm to put more pressure on the blade. Blade seems to be leaving some scum in the same place. Newly fitted blade. Have washed windscreen and blades. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

3rd Dec 2010 11:21am

szracer

Member Since: 10 Oct 2010
Location: Cotswolds
Posts: 356

2010 Defender 110 Puma 2.4 USW Stornoway Grey

Re: Wiper arm question

Hi,

don't have the arm in front of me, so this is conjecture, but....

Way back in the distant past, I owned several Lotus Elises. These used a pretty standard wiper arm, as a single wiper. There were always moans about the fact that the wiper didn't seem to exert enough pressure on the screen.

The solution (and it would probably work on the Defender) was to undo the spring in the the arm, and drill a new spring attachment hole a little further away (say, +3mm) from the original mounting hole. This had the effect of stretching the spring a bit more and increasing pressure.

spudfan wrote:
Any way of adjusting the spring inside the wiper arm to put more pressure on the blade. Blade seems to be leaving some scum in the same place. Newly fitted blade. Have washed windscreen and blades.

2010 110 XS USW (the slow one)
1960 Alfa Romeo Giulietta SZ (the fast one)
2005 Ducati ST3
1954 Sunbeam S8

3rd Dec 2010 12:03pm

spudfan

Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4658

Thanks for the reply. There does not seem to be anywhere to drill the second hole. Might try bending the catching bend on the spring. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai

4th Dec 2010 11:09am

RED-DOT

Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Try bending the blade arm an inch or two toward the screen and that will double the blade pressure. 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..

4th Dec 2010 12:57pm

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