EMD Maintenance Instruction 3317-1 REv 1 AR-type Traction Alternators

Description: RailroadTreasures offers the following item: EMD Maintenance Instruction 3317-1 REv 1 AR-type Traction Alternators EMD Maintenance Instruction Pamphlet for AR-Type Traction Alternators MI 3317-1 from Electro-Motive 34 pages CONTENTS AR-Type Traction Alternators Description Figure 1 Typical Main Generator Fig 2 Brush Holder Installation Maintenance Cleaning Collector Rings and Brushes Figure 3 Collector Ring and Brush Arrangement Collector Ring Sparking Oil on Surface of Collector Ring Brush Holder Loose Damaged Brush Holder Eccentric or Pitted Collector Rings Collector Ring Grinding Caution Brush Renewal Bearing Large Bearing Maintenance Figure 4 AR11 and AR16 Collector Ring Assembly Figure 5 AR6, AR10, AR12, AR15 Collector Ring Assembly Figure 6 Collector Ring and Outer Bearing Seal Removal Figure 7 Application of Grease to Bearing Cover Warning Bearing Changeout Bearing Removal (Generator in Place) Figure 8 Bearing Housing Removal Figure 9 Rotor Shaft Jacking Fixture Figure 10 Hydraulic Pump Figure 11 Bearing Removal Bearing Installation Figure 12 Bearing and Collector Ring Assembly Cross-Section Figure 13 Large Bearing Insulation Figure 14 Installing Bearing Housing Generator Disassembly Figure 15 AR6-D18 Main Generator Cross-Section Figure 16 AR10-D18 Main Generator Cross-Section Figure 17 AR11-D18 Main Generator Cross-Section Figure 18 AR12-D14 Main Generator Cross-Section Figure 19 AR15-D18 Main Generator Cross-Section Figure 20 AR16-D18 Main Generator Cross-Section Figure 21 Application of Arbor Fixture Figure 22 Attaching Crane Cable to End Housing Figure 23 Removing Rotor and End Housing from Stator Figure 24 Rotor Assembly Removed from Stator Figure 25 Bearing Housing Removal Electrical Insulation Test Figure 26 Typical Ar10 Stator Assembly High Potential Test Bearing Inspection General Cleaning Operating Surfaces Generator Assembly Bearing and End Housing Assembly Figure 27 Applying End Housing to Rotor Assembly Rotor and Stator Assemblies Figure 28 Engine/Generator Coupling Arrangement Figure 29 Preparation to Install Rotor in Stator Figure 30 Installing Rotor in Stator Figure 31 Stamped Dimensions on Generator End Housing Figure 32 Model AR10 Small Bearing X (Protrusion) Measurement Figure 33 Large Bearing X (Protrusion) Measurement Generator Testing High Potential test Safety Precautions Installation of Main Generator into Locomotive Unit References Specifications Cold Resistance Limits Equipment List Material List DESCRIPTION The purpose of this maintenance instruction is to supply maintenance information for the AR-type traction alternator portion of a main generator. The main generator consists of an AR-type traction alternator and a D14 or D18 companion alternator. The D14 or D18 companion alternator is physically connected to, but electrically independent of the traction alternator. Differences between AR-type traction alternator models will be identified throughout this maintenance instruction, but this instruction will apply to all models unless specifically identified. The main generator consists of two, three-phase, alternating current generators with a single bearing. The spiders of the two machines are bolted together and the coupling disc of the companion alternator is bolted to the coupling of the engine, the outboard end of the traction alternator rotor is supported by a bearing. The rotating fields of the traction alternator consist of series connected field coils wound on laminated poles, which are bolted to a drum-type spider. The spider is connected to the rotor shaft which is supported by the bearing mounted in the main generator end housing. The field coils are insulated with class "F" insulation, and are electrically connected to the two inboard collector rings mounted in the air box at the bearing end of the assembly. The D14 or D18 companion alternator field coils are electrically connected to the two outboard collector rings. The collector rings and associated brush holders provide the means of exciting the fields of the two machines. All pictures are of the actual item. There may be reflection from the lights in some photos. We try to take photos of any damage. If this is a railroad item, this material is obsolete and no longer in use by the railroad. Please email with questions. Publishers of Train Shed Cyclopedias and Stephans Railroad Directories. Large inventory of railroad books and magazines. Thank you for buying from us. 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Price: 28.5 USD

Location: Talbott, Tennessee

End Time: 2024-10-01T18:01:41.000Z

Shipping Cost: 6 USD