Introduction_page_64

Introduction | page 64 | https://thedailydialectics.com/pdfs/tesla/Introduction/Introduction.pdf

39. THE BOX SECTION SPINE DRILL HOLES WITH A PILLAR DRILL FOR ACCURATE ALIGNMENT Weld the shaft in the 25mm hole. Take care to hold the shaft as square as possible (90 degrees) to the spine, when welding it. The bearing hub (diagram 40) fits on the shaft. It has two 50x25 mm deep-groove ballraces…