The Marston Sunbeam Club & Register Forum

General Category => Technical Discussion Forum => Topic started by: Ian Roberts on August 16, 2025, 08:39:01 AM

Title: 1932 Model 9a - AW Gearbox - Gear change lever seal (leaking)
Post by: Ian Roberts on August 16, 2025, 08:39:01 AM
Dear all

As I understand the original seal on the gearbox gear change lever was a felt/tallow affair.
Is there a more modern seal being used to alleviate this problem

Regards Ian Roberts
Title: Re: 1932 Model 9a - AW Gearbox - Gear change lever seal (leaking)
Post by: hennie.nijhuis on October 13, 2025, 06:06:25 PM
Hello Ian;

If you look at the outgoing shaft of the gearbox you wil see that the splines extend into the aerea where some sort of seal would be.

This situation can only leak, dispite all effert I undertook. Am an Model 9 / 1932 owner.

If however there is a clubmember with a splendid solution....

Greetings, Hennie (Holland)