Woodward SMM40 Product Manual
Woodward SMM40 Product Manual

Woodward SMM40 Product Manual

Permanent magnet type synchronizing motor for ug, psg, and sg governors

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Product Manual 03026
(Revision R, 5/2010)
Original Instructions
Permanent Magnet Type Synchronizing
Motor for UG, PSG, and SG Governors
Operation Manual

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Summary of Contents for Woodward SMM40

  • Page 1 Product Manual 03026 (Revision R, 5/2010) Original Instructions Permanent Magnet Type Synchronizing Motor for UG, PSG, and SG Governors Operation Manual...
  • Page 2: General Precautions

    Revisions—Changes in this publication since the last revision are indicated by a black line alongside the text. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, no responsibility is assumed by Woodward unless otherwise expressly undertaken.
  • Page 3: Warnings And Notices

    Start-up On- and off-highway Mobile Applications: Unless Woodward's control functions as the supervisory control, customer should install a system totally independent of the prime mover control system that...
  • Page 4: Electrostatic Discharge Awareness

    Do not touch the components or conductors on a printed circuit board with your hands or with conductive devices. To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual 82715 , Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, and Modules.
  • Page 5: Product Specifications

    Four different PM motors have been used to adjust the speed setting of the governor. The S40, MM40, and MM4A have been used in the past. The current model is the SMM40. The SMM40 is directly interchangeable with any former speed-setting motor.
  • Page 6: Adjustment Procedure

    Terminals "A" and "B" are connected to the respective output poles of the speed- control switch. Bearing Lubrication Ball bearings are permanently packed with a high-quality grease. Repacking or periodic oiling is not required. Woodward...
  • Page 7: Gear Lubrication

    The speed reduction gear housing (846, 528, 640, 733) is filled with enough lubricant to last about two years. Clean out the old grease every two years or as required and refill with Alvania No. 2 grease or its equivalent. Wiring Diagrams Power Connection Diagram Woodward...
  • Page 8: Troubleshooting

    Overload Motor shaft has overloaded. Inspect governor connection and speed setting mechanism. Reduction gear box troubles. Inspect reduction gear box. Replace grease or parts as necessary. Bearing wear, lubrication, or Replace bearings, lubricate, and adjustment. adjust as necessary. Woodward...
  • Page 9 Replace bearing and correct lubrication and adjustment. Commutator Damaged or worn commutator. Repair commutator or replace damaged, causing armature and winding assembly. damage to the Abrasive atmosphere. Improve ventilation or change brush brush components to match demands of the atmosphere. Woodward...
  • Page 10: Replacement Parts

    If the electrical supply to the motor is determined to be correct, then carefully check the slip-clutch setting to be sure that it has not changed. Check the manual speed-setting gear train to be sure it is not presenting too great a load for the motor to turn. Woodward...
  • Page 11 Manual 03026 Permanent Magnet Synchronizing Motor Model S40 Specify Model S40 when ordering parts from this page. Note that the part numbers are for identification only and are not Woodward part numbers. Ref. No. Part Name ..... Quantity Ref. No.
  • Page 12 Permanent Magnet Synchronizing Motor Manual 03026 Model MM40 (Speed Setting serial numbers 21105 and after are model MM40. Note that the part numbers are for identification only and are not Woodward part numbers. Ref. No. Part Name ..... Quantity Ref. No.
  • Page 13 Permanent Magnet Synchronizing Motor Model MM4A This model does not include built in rectifiers or a voltage adjustment potentiometer. Note that the part numbers are for identification only and are not Woodward part numbers. Ref. No. Part Name ..... Quantity Ref. No.
  • Page 14 Permanent Magnet Synchronizing Motor Manual 03026 Model SMM40 This motor will replace any other speed-setting motor. Most parts, however, are not interchangeable. Note that the part numbers are for identification only and are not Woodward part numbers. Housing is IP44.   Woodward...
  • Page 15 Insulated Terminal ....1 03026-840 Pan Hd Screw ..... 5 03026-882 Bearing Cap ....... 1 03026-841 Spring Lock Washer ... 5 03026-883 O-ring ......... 1 03026-842 Terminal ......5 03026-884 Gasket ........ 1 Parts available only in connection with larger assembly. Woodward...
  • Page 16 Email and Website—www.woodward.com Woodward has company-owned plants, subsidiaries, and branches, as well as authorized distributors and other authorized service and sales facilities throughout the world. Complete address / phone / fax / email information for all locations is available on our website.

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