Index
A
Absorbers, gas, 82
Adjustable-speed motor, 143
Air
blast transformers, maintenance, 81–82
pressure, motor cleaning, 253–254
Airgap, motor, 194
Alarm systems, 105
Alignment, belts and pulleys, 217
Alternating current
comparison with direct current, 3–4
motors, 140–141
Alternations, definition of, 140
American Standard Wire Gauge, 4
Ammeter, clamp-on, 272
Amortisseur windings, motor, 199
Ampere, definition of, 110
Angle, brush, setting, 268–270
Annual maintenance, 250
Apparent efficiency, motor, 117
Application, as transformer classification, 10
Arbor
bearing removal, 259
press, 260–261
Arcing at brushes, troubleshooting, 286
Armature
DC, 171–172
motor, 122
testing for grounds, 274
Arresters, lightning, 59
Askarel, precautions with, ...
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