Richard Thanks for the advice I have printed it out and will give it a try once I can get my hands on a siutable charger. ( A friend has one) I have noted and underlined your safety commnents I realise i am getting into dodgy terretory here . Good ventilation and no sparkes being essentail.
I hope to carry out the proceedure next week oonce the festivities are over. Thanks for your help Regards Terry
