CHAPTER XXIX.

=ERECTING ENGINES AND MACHINERY.=

=Engine Guide Bars= 162 Setting 162 The spring of 162 Testing 163 Setting by stretched lines 163 =Heating and Knocking of Engines= 164 The ordinary causes of 164, 166 =Aligning New Engines= 166 to 171 Classification of the errors in engine alignment 166 Testing the alignment of the crank 167 Showing separately the causes of beating and pounding 168 Methods of discovery and determining the errors of alignment 169 Errors of alignment in crank pins 170 Methods of discovering errors of crank pin alignment 170 Remedying errors of crank pin alignment 171, 172 =Slide Valves= 173 to 175 Finding the dead centre of the crank 173 Taking up the lost motion when setting the valve 174 Measuring the valve lead 174 Finding the dead centre with a spirit level 174 =Setting Eccentrics= on crank shafts 175 Setting double eccentrics by lines 175 =Erecting the Framework= of machinery 176, 177 =Repairing and Patching= broken frames 178 =Erecting an Iron Planer= 179 Foundations for an iron planer 180 Fitting up and erecting a lathe 181 =Testing Lathes= 181 Instruments for testing lathes 182 Testing lathe carriages 183 =Erecting Line Shafting= 184 to 186