Parts diagram of the bottom roller for the Timberwolf TW230 chipper *Please Note that this is the most current version of the diagram. There has been many changes from earlier models If you are unsure please call us on 0161 850 1011* To help you identify the right parts quickly we have made a number of the manual pages available as free downloads. Please note - Chippers are dangerous and should only be worked on by competent trained engineers. The complete manual contains safety related information and should be obtained. These individual pages are only provided as quick reference guides to aid part identification. Also - please check you have the right manual for your chipper. Not all manuals and models are listed.