Good Afternoon,
Sorry to bother you all but I would like some information if possible, I have just purchesed a Mamod Steam tractor second hand and was just wondering how long do I let it steam up for because when it runs it does so for about 20 sec then slowes down and stops we then have to wait for more steam to be produced before it will go again,
Is this normal or is something not quite right.
It may be that it is me

Many thanks for your time

Andy