All the manuals are back on line.... at http://us.service.lego.com/en-US/BuildingInstructions/default.aspx. When downloaded as a PDF, the new (replacement) pages are electronic Page 41 (printed Page 33) and electronic Page 45 (printed Page 36). The appearance of the 8043 Book 1 Instructions is a LITTLE BIT different than the Service Pack's replacement pages (see below), but they cover the same steps.
For your information, having built the set with my parts, I wanted to get hold of the new actuators so that I could rebuild it with these. Lego direct were not able to sell individual replacement actuator (4638508) but were willing to sell me the service pack for GBP15 + P&P.