As Grumpy has already eluded to it will be a Pawl issue within the drive roller. For that the roller will be required to be removed and stripped down, completely cleaned and relubed. It's not a huge job but one that must be tackled carefully.
Cheers, BB
I live a 24 Hour lifestyle, but every now and again I seem to fall asleep, well at least that's what my wife tells me.
