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Pulling out caliper pistons

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Beresford
the 900
the 900

Posts : 1451
Location : not that far from Kirkistown

Pulling out caliper pistons

Post by Beresford on Mon 31 Oct 2016, 7:37 pm

Here's a way of pulling the pistons if the caliper is off the bike
http://www.thetriumphforum.co.uk/threads/champagne-is-good-for-your-brakes.7734/
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Jameshambleton
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Posts : 1912
Location : Bedale, North Yorkshire

Re: Pulling out caliper pistons

Post by Jameshambleton on Mon 31 Oct 2016, 8:48 pm

I think I'd just some of these
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eternally_troubled
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Posts : 3698
Location : 'ere be fens. (near Cambridge)

Re: Pulling out caliper pistons

Post by eternally_troubled on Tue 01 Nov 2016, 8:01 am

They essentially do the same thing; the former is more use if you are in a hurry and you can't wait for a delivery!

The other thing I have used with some success is compressed air:  you blow it in via the bleed nipple while stuffing your finger (or other items!) over the bajo-bolt hole, ideally while clamping the other piston in place.  You can do this even if you don't have a compressor - one of those big T-shaped bicycle track pumps works well, assuming you have an assistant to do the pumping!  You need to be careful about aiming the piston away from yourself or anyone else:  when it comes out it goes 'pop' and fires across the room!
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Alvi
Running out of unique names
Running out of unique names

Posts : 188
Location : Isle of Man

Re: Pulling out caliper pistons

Post by Alvi on Tue 01 Nov 2016, 8:28 pm

I've used that compressed air method with some success. One piece of advice though, don't try & 'catch' the piston with your fingers as it come out. Firstly,it hurts, a lot. And secondly, being one handed now makes it very difficult to remove the caliper from your other hand!  Sad
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ceejay
the 900
the 900

Posts : 270
Location : Bournemouth

Re: Pulling out caliper pistons

Post by ceejay on Tue 01 Nov 2016, 8:48 pm

I second the track pump idea, air compressor not essential. Bag over it to catch the piston has worked for me in the past.

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