Page 8 - Rotating Machinery Pratical Solutions to Unbalance and Misalignment
P. 8
Vertical Pumps ..................................................................................... 145
The Catenary ........................................................................................ 148
50 Steps for Precision Alignment ..................................................... 154
CHAPTER 9—REVERSE INDICATOR ALIGNMENT ........................... 157
Introduction .......................................................................................... 157
Bar Sag ................................................................................................... 158
Machine Measurements ...................................................................... 158
Vertical Alignment ............................................................................... 159
Graphical Solution ............................................................................... 160
Calculator Method ............................................................................... 163
Horizontal Alignment ......................................................................... 164
Thermal Growth .................................................................................. 165
Bore Readings ...................................................................................... 170
APPENDIX A—TORQUE SPECIFICATIONS .......................................... 171
APPENDIX B—TRIGONOMETRIC TABLES .......................................... 173
APPENDIX C—CONVERSION FACTORS .............................................. 177
English to Metric Conversion Factors ............................................. 177
Fractions to Decimals ......................................................................... 178
APPENDIX D—WEIGHT LOSS DUE TO DRILLING .......................... 179
APPENDIX E—PROPERTIES OF STEEL SHAFTS ................................ 183
APPENDIX F—ALIGNMENT FORMS ..................................................... 185
PROCEDURES ............................................................................................... 191
800.000 SAFETY NOTES .............................................................................. 196
800.101 FAN INSPECTIONS ....................................................................... 200
Fan Deck Inspections .......................................................................... 200
Fan Stack Inspections ......................................................................... 201
Mechanical Equipment Support Inspections ................................. 201
Fan Inspections .................................................................................... 202
Gearbox Inspections ............................................................................ 202
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