I need to replace the battery of this shaver, that is why I need the manual. Kindly send it to the following e-mail address: yurakd@mail.ru Thank you, Yours faithfully, Yuriy Kalik P.s. Product is rather old, was bought in 1988, but I like it and want to use it. Battery can't be charged and must be replaced. how to dismantle the shaver? That is the question.