Gear lever free play

Technical advice Q&A

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SimonBrown
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Location: Solihull
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#1 Gear lever free play

Post by SimonBrown » Sun Nov 26, 2023 8:49 pm

Just assembling the gear lever on my S2 following gearbox rebuild and noticed, when moving the lever across the horizontal plane there is approx 8mm play across the pin beneath before the base of the lever touches the fibre thrust washers.
As per photo
Would anyone know if this is correct or am I missing something?
Thank you
Simon
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Simon Brown
1969 S2 OTS
1998 XK8 Coupe
2008 Mazda MX-5 2.0 Icon
1991 Mini Cooper 1.3i

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abowie
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#2 Re: Gear lever free play

Post by abowie » Sun Nov 26, 2023 10:53 pm

If it's lateral play, then no there shouldn't be that much. That space should be largely taken up with the two Tufnol washers.
Andrew.
881824, 1E21538. 889457. 1961 4.3l Mk2. 1975 XJS. 1962 MGB
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia

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Jaguar12
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#3 Re: Gear lever free play

Post by Jaguar12 » Sun Nov 26, 2023 11:21 pm

Hi Simon,
It is some time since I assembled the gearbox and it is an S1, but the parts book confirms: the double coil spring washer goes between the pivot jaw and the tufnol washer.
An older post „fitting gearstick shifter“ viewtopic.php?f=4&t=14548 might also help.
Greetings
Daniel

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abowie
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#4 Re: Gear lever free play

Post by abowie » Mon Nov 27, 2023 7:15 am

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Andrew.
881824, 1E21538. 889457. 1961 4.3l Mk2. 1975 XJS. 1962 MGB
http://www.projectetype.com/index.php/the-blog.html
Adelaide, Australia

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SimonBrown
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#5 Re: Gear lever free play

Post by SimonBrown » Mon Nov 27, 2023 8:46 am

Understood now thank you.
I shall fit the spring washer between the yokes and that will eliminate the play.
Another issue sorted!
Simon Brown
1969 S2 OTS
1998 XK8 Coupe
2008 Mazda MX-5 2.0 Icon
1991 Mini Cooper 1.3i

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angelw
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#6 Re: Gear lever free play

Post by angelw » Mon Nov 27, 2023 7:58 pm

Daniel Wrote:
the double coil spring washer
This washer is called a Thackery Washer and is quite different to a spring washer, notwithstanding that at least one of the Parts Sellers were offering a Spring Washer with an extra helix as a Thackery Washer.

A Thackery Washer has a Joggle in the flat wire from which its made, where the ends of the wire fall slightly short of lining up. This joggle allows the faces of the Thackery Washer to remain parallel even when fully compressed and effectively, the Thackery Washer is only two thickness of wire for its full 360 degrees.

Without the joggle, the washer will be three thicknesses of the wire where the end nearly meet, and only two thicknesses elsewhere.

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Regards,

Bill

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