Maintenance Hints
by Westinghouse Electric Corporation

Spiralbound, Flexible Covers

Although there isn't a copyright date, on the bottom of the last page, it says "20M--6-52" which I think indicates June, 1952 as the date.

Asbestos References:

- The chapter on electric brakes says "Moulded type asbestos lining is used on Westinghouse brakes."

- Section on Insulation pictures Asbestos Sheet and Asbestos Cloth.
- Diagram showing insulating materials for a typical armature shows asbestos strip being used in 7 places.
- Asbestos is listed as a Class B and Class H insulating material.
- Diagram shows asbestos tape use.
- Tables and text describe when Class B & Class H insulation materials should be used.

This book covers the following contents: Inspection, The Direct-Current Motor, Insulation Materials and Applications, Insulation Cleaning and Drying, Insulation Testing, The A-C Induction Motor, Convenient Tables and Formulae, Commutator Maintenance, Bearings and Lubrication, Starting and Speed Regulating Rheostats for Direct-Current Motors, Starting and Speed Regulating Rheostats for A-C Wound Rotor Motors, Starters for A-C Squirrel Cage Induction Motors, Contactors, Transformers, Transformer Connections, Safe Handling and Storage of Flammable Liquids, Oil Circuit Breakers, D-C Control Circuits, Connection Diagrams for Pushbutton Circuits, Lighting - Industrial Plants, Commercial Buildings, Factory Yard Areas, Industrial Electronic Equipment, Parallel Operation of D-C Generators, Dipping and Baking, Brakes - Electric, Check Charts, Modern Motor Starters, Safety Rules for Electrical Maintenance and Construction Men.

CONDITION: Acceptable. First page (table of contents page) is loose from spiral binding and also has about a 1/2" section cut off along bottom edge of page. It is possible that there is a title page missing. Otherwise, pages are in generally good condition although there is lighting foxing and/or tanning.

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Westinghouse
Maintenance Hints, 1952
$139