Motors, 60-Cycle, Alternating-Current, Fractional H.P. (Shipboard Use)

• Motors, 60-Cycle, Alternating-Current, Fractional H.P. (Shipboard Use)
• Ambient temperatures
• Table I - Horsepower and speed ratings (induction motors).
• Torque and current limitations.
• Table III - Shaded-pole and permanent-split capacitor motors
• Table V - Torque characteristics of general purpose motors.
• Table VI - Dielectric test voltages.
• Vertical fan-cooled motor covers
• Terminal boxes and terminal box covers
• Encapsulated motors
• Encapsulated motor suitability tests
• Table VII - Onboard repair parts.
• Requirements applicable to individual services.
• Table VIII - Minimum material requirements for service A motors.
• Table IX - Maximum permissible temperature rises.
• Bearing pre-load washers or springs
• Table X - Mechanical balance.
• Direction of rotation
• Drawings
• Drawings (cont)
• Magnet wire
• Table XI - Split-phase locked-rotor currents.
• Factory inspection during manufacture for service A motors
• Table XIII-Sampling for routine tests.
• Test procedures.
• Pull-up, breakdown, and locked-rotor torque.
• Electrical balance
• Acceptable method of mounting on shock-testing machine
• Table XV - Service C tests.
• Ordering data
• Two-value capacitor motor
• Index
• Index (cont)
• Appendix I. In-Process Inspection of Service A Motors
• Commutator assemblies
• Items to be inspected during assembly
• Items to be checked during winding and assembly of stationary elements
• Items to be inspected during final assembly
• Appendix II. Procedure Testing of Encapsulated Motors
• Table XVI - Specimens for encapsulated motor suitability test.
• Dielectric - normal potential
• Table XVII - Submergence test data. Sample #1 Ser. No.
• Table XVIII - Temperature cycling test data. Sample #2 Ser. No.
• Approval of equipment
• Figure 1. Standards for fractional 1 horsepower alternating current general purpose constant speed power
• Figure 2. Service "A" motor
• Figure 3. Service "C" motor
• Standardization Document Improvement Proposal
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• Address
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Motors, 60-Cycle, Alternating-Current, Fractional H.P. (Shipboard Use)

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