Gearbox drain plug?

Information relating to the Matchless G3 or AJS Model 16 350cc Heavyweight
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MikeAshfield
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Joined: Mon Aug 03, 2015 11:41 pm
Location: BERKSHIRE UK

Gearbox drain plug?

Post by MikeAshfield »

I am trying to get familiar with maintenance of the gearbox on my 1959 G3, which I am informed is an AMC gearbox. A lot of grease was visible through the cover so I bought self-levelling grease thinking that was a good idea to add. However, being a bit slow witted at the moment, I then found a drain plug and a level plug, so in a moment of clarity realised this must have been oil filled at some time in the past. Perhaps the grease was to stop a leak... I will soon find out!
Anyway, there seem to be two drain plugs. The one I didn't undo is domed. What is it for?


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Duncan
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Location: HAMPSHIRE UK

Re: Gearbox drain plug?

Post by Duncan »

The one I didn't undo is domed. What is it for?
It holds the camplate plunger and spring in,
MikeAshfield
Posts: 24
Joined: Mon Aug 03, 2015 11:41 pm
Location: BERKSHIRE UK

Re: Gearbox drain plug?

Post by MikeAshfield »

Thank you for the swift reply. I'll see if I can get to grips now with what that implies for me during future work on the machine.....


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Duncan
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Re: Gearbox drain plug?

Post by Duncan »

MikeAshfield
Posts: 24
Joined: Mon Aug 03, 2015 11:41 pm
Location: BERKSHIRE UK

Re: Gearbox drain plug?

Post by MikeAshfield »

Excellent! Thank you for that Duncan. Page 47 of the manual has a diagram and explains it nicely. Although without you telling me what it was I'd never have guessed what I was looking at!


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