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EASA Technical Manual

Publication date: 
August 2016
Type of media: 
Book

EASA's most comprehensive technical document is available FREE to EASA members. View the document online using the interactive Adobe Flash version, or download the complete manual or just the sections you're interested in.  

Full Technical Manual

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Revised January 2017 | 75.6 mb | Number of pages: 922

 

Section 1: Machine Identification & Bearing Information

  • IP code for rotating electrical machines
  • Date codes, type designations, model number systems, and bearing information for various manufacturers

Revised November 2012 | 3.32 mb | Number of pages: 202

Section 2: AC Machines

  • NEMA frame assignments—three-phase motors
  • Suffixes to NEMA frames
  • Dimensions for AC machines (NEMA & IEC)
  • Terminal markings and connections
  • Brushless servo motors: How are they different?
  • Application of AC machines and their accessories
  • Performance characteristics of AC motors
  • Factors affecting the performance of AC motors
  • Power factor improvement
  • Starting of AC motors
  • Connection of windings
  • Design/redesign of windings
  • AC stator form coil data
  • Slip ring data
  • Nameplates for AC Machines
  • AC three-phase motor service order

Revised August 2016 | 19.2 mb | Number of pages: 268

Section 3: DC Machines

  • Dimensions for DC machines
  • Terminal markings and connections (NEMA nomenclature)
  • Full-load current of DC motors
  • Interpoles
  • Brushholders and the performance of carbon brushes
  • Troubleshooting a DC motor at the job site
  • Commutators
  • Frog-leg windings for DC machines
  • DC machine data sheet
  • DC motor nameplate
  • As received connection form for 2-, 4-, and 6-pole DC machines

Revised August 2016 | 4.6 mb | Number of pages: 63

Section 4: Transformers

  • Single-phase transformers
  • Three-phase transformers
  • Testing

Revised November 2012 | 1.8 mb | Number of pages: 18

Section 5: Electronics

  • Semiconductors and transistors
  • Resistance temperature detectors (RTDs)
  • Resistors and capacitors
  • Electronic variable-speed drives
  • Harmonics
Revised November 2012 | 4.7 mb | Number of pages: 50

Section 6: Magnet Wire & Lead Wire

  • Magnet wire
  • Lead wire
  • Temperature classification of insulation systems
  • UL 1446 Systems of insulating materials
  • Ampacities of bus bars

Revised November 2012 | 765 kb | Number of pages: 26

Section 7: Electrical Testing

  • High-potential tests
  • Testing insulation systems of rotating machinery
  • Stator core testing
  • Dynamometer testing electric machines
  • How to set up a slip-ring motor for use as a variable-voltage regulator
  • Testing of squirrel cage rotors
  • Testing of servo motors
Revised January 2017 | 4.6 mb | Number of pages: 40

Section 8: Bearings

  • Bearing overview for horizontal machines
  • ABMA nomenclature
  • Bearing manufacturer's nomenclature for ball bearings
  • Bearing dimensions
  • Bearing fit tolerances
  • Bearing clearance
  • Lock nuts and lock washers for ball bearings
  • Cleaning bearings
  • Understanding and adjusting thrust rolling bearing systems for vertical motors
  • Bearing failure analysis
  • Bearing repair and end play adjustment

Revised August 2016 | 15.2 mb | Number of pages: 71

Section 9: Lubrication

  • Lubrication of rolling bearings in electric machines
  • Bearing lubrication
  • Grease classifications
Revised August 2016 | 957 kb | Number of pages: 12

Section 10: Mechanical

  • Assuring the mechanical integrity of electric motors
  • Alignment
  • Balancing
  • Vibration
  • Machine sound
  • Metals and alloys
  • Bolts
  • Keys and keyseats
  • Belts and sheaves
  • Welding, brazing and soldering
  • Non-destructive test methods
  • Slings, wire ropes, shackles and eyebolts
  • Hoist troubleshooting
  • Armature and rotor banding
  • Magnetic centering effects on sleeve bearing induction motors
  • Shaft failures
  • Fabricating motor shafts
  • IECEx certified service facilities program
  • Dealing with wet/flooded motors

Revised August 2016 | 19.5 mb | Number of pages: 142

Section 11: Formulas & Conversion Factors

  • Formulas
  • Conversion factors and equivalencies
Revised August 2016 | 423 kb | Number of pages: 8

Section 12: Tech Notes

  • This section lists previously published Tech Notes and where they can be found within the Technical Manual.
Revised August 2016 | 182 kb | Number of pages: 4

Section 13: Glossary

  • This section provides definitions for common terms used in EASA's Technical Manual.
Revised November 2012 | 260 kb | Number of pages: 12

 

 
Topic(s): 
AC motors
DC motors
Design/theory/application
Drives/controls
Frame
Lubrication
Miscellaneous
Nameplates
Repair procedures and tips
Safety
Servo motors
Shafts
Testing
Transformers
Ventilation/cooling
Vibration
Wire