Fobco Quill-Depth stop Bumper/O Ring

Fobco Quill-Depth stop Bumper/O Ring

This topic has 5 replies, 4 voices, and was last updated 6 September 2017 at 17:17 by David George 1.

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4 September 2017 at 23:38 #29747
Madhatter
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@madhatter
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4 September 2017 at 23:38 #315247
Madhatter
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@madhatter
Another probably bonkers question here, I have the Fobco in pieces and when I removed the quill the depth stop bumper-O ring (quill washer) has a split in it and I have spent quite some time searching for rubber washers- bumpers and the like to no avail, not that I am unable to find any, but nothing which shall suit. perhaps it is my Ocd, but the original is flat and I would prefer to replace it with the same if at all possible.

With my vernier the OD is 65.83 mm and ID is 44.76 mm with a thickness of 3.8 mm, there is a slight gap between the rubber and the drill so ideally this could go up to 5 mm thickness.

You would not think a rubber washer of the right dimensions so difficult to source so would appreciate any links anybody may have, please do enlighten me.

Edited By Madhatter on 04/09/2017 23:47:09
5 September 2017 at 04:19 #315261
Ian S C
Participant
@iansc
It is probably an Imperal size to start with, and the place I go to here in NZ has metric and imperial sizes of O-rings in both round and suqare section, this place is a specialist hydralics retailer.

Ian S C
5 September 2017 at 09:10 #315293
Martin Cargill
Participant
@martincargill50290
Don't know where you are located but we use a company called Manchester Seals for our hydraulic seals etc. They are good at matching seals, o rings etc. when we can't obtain them from the original manufacturer. Give them a call on 0161 832 7992.

Martin
6 September 2017 at 16:51 #315562
Madhatter
Participant
@madhatter
Hmmm, I received one quote today £6.50 each plus £4.00 packing + vat. I have tried calling Manchester seals to no avail, I noticed on the G images, someone had refurbished a star up and used what appears to be large cork washers, can't find any of these to suit either. If any one has any other ideas it would be appreciated.
6 September 2017 at 17:17 #315568
David George 1
Participant
@davidgeorge1
I just got a piece of 3mm flat rubber sheet and using a pair of dividers scribed to circles till cut through and made my own.

David
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