The Marston Sunbeam Club & Register Forum

General Category => Technical Discussion Forum => Topic started by: Thomas on April 14, 2024, 05:53:55 PM

Title: Rocker box bushes
Post by: Thomas on April 14, 2024, 05:53:55 PM
Hi Radzziu,

you asked for photos of my rocker box bushes. Here are some of them seen from the inner and outer sides. I also attach a sketch from Chris Odling.

Cheers, Thomas
Title: Re: Rocker box bushes
Post by: Radzziu on April 14, 2024, 06:04:40 PM
Quote from: Thomas on April 14, 2024, 05:53:55 PMHi Radzziu,

you asked for photos of my rocker box bushes. Here are some of them seen from the inner and outer sides. I also attach a sketch from Chris Odling.

Cheers, Thomas
Thank you Thomas
Title: Re: Rocker box bushes
Post by: Thomas on April 17, 2024, 09:37:02 AM
BTW: I had some radial play which was not compensated by the Thackeray washers (the nut on the washer must be firmly tightened). My solution were additional shims on the outer side adapted to the correct position with respect to the valves. I don't know if this applies to your problem, though.
Title: Re: Rocker box bushes
Post by: Radzziu on April 17, 2024, 11:42:14 AM
Quote from: Thomas on April 17, 2024, 09:37:02 AMBTW: I had some radial play which was not compensated by the Thackeray washers (the nut on the washer must be firmly tightened). My solution were additional shims on the outer side adapted to the correct position with respect to the valves. I don't know if this applies to your problem, though.
I'm been in touch with chris odlin
And end float when assembled need be 0.3mm on the rocker and bush play 0.5 to 0.3mm