Model 30, '56 - engine studs

Information relating to the Matchless G11 or AJS Model 30 600cc twin
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SPRIDDLER
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Re: Model 30, '56 - engine studs

Post by SPRIDDLER »

GBM wrote: Mon Feb 05, 2024 7:54 am
Any hint to mount the spring return easily, to avoid brake my fingers?
A couple of articles in the link below with tips on fitting the centre stand spring.

https://www.jampot.com/article_showall. ... ame=Frames
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GBM
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Re: Model 30, '56 - engine studs

Post by GBM »

Dave, Spriddler,
thank you for the hints.
I will try both suggestions, only one point to clarify:
which is the right angle to meet between short and log spring legs?

/Giovanni
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Re: Model 30, '56 - engine studs

Post by dave16mct »

Sorry Giovanni I'm not sure what you mean.
Dave.
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Re: Model 30, '56 - engine studs

Post by GBM »

Dave,
I try to explain better:
The spring return off the bike have short and long legs on the same side (zero angle).
I was asking on preparing the spring to be mounted with Jubilee clips or similar if the spring need to be armed 45 o 90 degrees?
As I saw 90 degrees appears to much, so (maybe) 45 degrees is enough, I am right?

/Giovanni
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Re: Model 30, '56 - engine studs

Post by SPRIDDLER »

Follow this diagram in the article in the link that I gave you earlier.

Stand spring tool.JPG
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Re: Model 30, '56 - engine studs

Post by GBM »

Spriddler,
checking the spring return layout, I try this way:
I put the stand in place with the spring also, so only the short leg in position.
This way the long leg is reaching the gear (quite no pushing).
Initially I do to observe how the spring return works, but understanding what was the effort to apply, I take a nylon cord at the end of the long leg and I drive it like in the figure show, the same angle, same axis.
When the spring reach the angle above, with hands only, small power to apply
after this I try pulling horizontally 45 degrees with the cord, till I was able to bypass the horizontal tube of the stand.
Done!

/Giovanni
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Re: Model 30, '56 - engine studs

Post by SPRIDDLER »

:beer:
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Re: Model 30, '56 - engine studs

Post by GBM »

In the weekend I move to reassemble the rear wheel, starting from brake drum.
I have couple of questions:
The two cam (front/rear) are different, the short is back. right?
00.jpeg
The rear drum cam goes directly in to the plate or there is washer or spacer between the cam and plate?
01.jpeg
/Giovanni
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Re: Model 30, '56 - engine studs

Post by dave16mct »

Yes the short expander is the back. There shouldn't be a spacer under the brake plate.
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Re: Model 30, '56 - engine studs

Post by GBM »

Folks,
I move my attention to rear brake pedal.
It seems not so easy, any help to understand the correct mounting sequence?

/Giovanni
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