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Rubber washers

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Rubber washers
Andy Bennett Offline
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#11
27-04-2019, 12:35 PM
hm they look like a good idea for next time.
given that the banjo thread is M11 do you use a tight M10 (does that even fit) or a sloppy M12 or something imperial?

cheers
Andy
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morrisminor Offline
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#12
27-04-2019, 12:50 PM
What size dowty would be ok Ruairidh ?
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Andy Bennett Offline
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#13
27-04-2019, 01:05 PM
my mistake, its M12 x 1.25, so M12 Dowty ordered.

thanks as always for v useful tips

Andy
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Ruairidh Dunford Offline
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#14
27-04-2019, 01:14 PM
I use imperial ones Scott - see here for example: https://www.ebay.co.uk/i/362103952469?ch...1319352903

I also use them for scuttle tank fuel joints and SU banjos.
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morrisminor Offline
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#15
27-04-2019, 01:20 PM
Thanks R, what size would I need and do you use sealant ?
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Ruairidh Dunford Offline
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#16
27-04-2019, 01:41 PM (This post was last modified: 27-04-2019, 01:42 PM by Ruairidh Dunford.)
Hi Scott,

1/4 BSP, if your banjo union bolt is that size.

I don't use any sealant on this type of washer
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squeak Offline
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#17
27-04-2019, 01:44 PM
Ah sorry there I was thinking you meant the carburettor to manifold joint. My mistake.
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morrisminor Offline
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#18
27-04-2019, 02:40 PM
I'm not very imperial Ruaridih, if I've read it correctly you measure the thread diameter which is half inch then subtract a quarter inch,  leaving quarter inch hence quarter BSP ? Does that sound about right,  think I should have gone to school 15 years earlier !!
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Ruairidh Dunford Offline
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#19
27-04-2019, 03:29 PM
I am no better qualified to tell you this Scott, metrification came in way before I was born - many on here will know for sure though.

I am fairly certain however, that the standard banjo union bolt is 1/4 bsp.
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"Slack Alice" Simon Offline
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#20
27-04-2019, 03:43 PM
Apologies for the late reply.

I use the locking goo that is for the lightly loaded components like ordinary nuts and bolts.

Not "Stud Grade" or "Bearing Retainer", these achieve successively stronger bonds.

You don't want a strong bond, just sealing of the joint.
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