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Summary of Contents for Woodward TM-55
- Page 1 Product Manual 82768 (Revision C) Original Instructions TM-55 Integrating Actuator Installation and Operation Manual...
- Page 2 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.
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Page 3: Table Of Contents
Figure 2-2. Wiring Diagram for TM-55 Actuator ............. 5 Figure 2-3. Outline Drawing, TM-55 Integrating Actuator ........6 Figure 4-1. Schematic of the TM-55 Integrating Actuator ........10 Figure 6-1. Exploded Drawing, TM-55 Integrating Actuator ......... 13 ... -
Page 4: 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 5: 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 6 TM-55 Integrating Actuator Manual 82768 Woodward...
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Page 7: Chapter 1. General Information
It weighs about 6.6 kg (14.5 lb). The TM-55 actuator is UL Listed for use in Class I, Division 1, Groups C and D. In the actuator, a torque motor servo-valve is energized by the electric control to generate a pressure differential applied to the ends of, and to operate, the second stage spool valve. -
Page 8: Chapter 2. Installation
Additional cleaning or calibration is not necessary before installation or operation. Storage The TM-55 actuator may be stored as received from the factory for a period of time before installation. Installation See the outline drawing, Figure 2-2, for: ... - Page 9 Make all electrical connections that are required using applicable Woodward electric control manuals. A plant wiring diagram will be supplied upon request. In applications where the TM-55 actuator is not used with a Woodward electric control, electrical input requirements will also be supplied upon request.
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Page 10: Figure 2-1. Wiring Diagram For Tm-55 Actuator
TM-55 Integrating Actuator Manual 82768 Figure 2-1. Wiring Diagram for TM-55 Actuator On feedback transducers, polarity shown indicates feedback output signal in phase with excitation signal. Woodward... -
Page 11: Figure 2-2. Wiring Diagram For Tm-55 Actuator
Manual 82768 TM-55 Integrating Actuator Figure 2-2. Wiring Diagram for TM-55 Actuator Woodward... -
Page 12: Figure 2-3. Outline Drawing, Tm-55 Integrating Actuator
TM-55 Integrating Actuator Manual 82768 Figure 2-3. Outline Drawing, TM-55 Integrating Actuator Woodward... -
Page 13: Chapter 3. Initial Operation
Woodward manuals for the particular Woodward electric control to begin prime mover operation. Woodward recommends adequate dither be used on all hydraulic actuators to minimize mA threshold and hysteresis which can result from second stage static friction or hydraulic contamination. -
Page 14: Adjustments
TM-55 Integrating Actuator Manual 82768 Adjustments Normally, all operating adjustments are made to the TM-55 actuator during factory calibration according to specifications provided by the customer and should not require further adjustment. Do not attempt adjustments to the actuator unless thoroughly familiar with the proper procedures. If an adjustment/ calibration must be made to the null current (level adjustment) follow these steps: 1. -
Page 15: Chapter 4. Principles Of Operation
A double-sided, equal-area servo piston linked to the rotary output shaft The essential element of the TM-55 is the torque motor servovalve which uses a double nozzle and flapper to generate a differential pressure to operate the second stage spool valve. The torque motor receives dc current signals from the electric control and applies torque to the single piece armature and flapper which is supported on a torsion flexure. -
Page 16: Figure 4-1. Schematic Of The Tm-55 Integrating Actuator
TM-55 Integrating Actuator Manual 82768 Figure 4-1. Schematic of the TM-55 Integrating Actuator Woodward... -
Page 17: Chapter 5. Maintenance
Filter Cleaning The TM-55 actuator is equipped with a 40 µm (nominal) filter fitting at the supply connection. See the outline drawing (Figure 2-2) for its location. If the filter becomes clogged, as evidenced by sluggish response, it may be cleaned ultrasonically, and back flushed with a light solvent. -
Page 18: Chapter 6. Replacement Parts
Serial number and part number shown on the actuator nameplate Manual number (this is manual 82768) Part reference number in parts list Parts List for the TM-55 Integrating Actuator Ref. No. Part Name ......... Quantity Ref. No. Part Name ......... Quantity 82768-1 Screw - .375-24 x 1.500 ...... -
Page 19: Figure 6-1. Exploded Drawing, Tm-55 Integrating Actuator
Manual 82768 TM-55 Integrating Actuator Figure 6-1. Exploded Drawing, TM-55 Integrating Actuator Woodward... -
Page 20: Chapter 7. Service Options
Woodward systems and components for the retrofits and overhauls, long term service contracts, emergency repairs, etc. You can locate your nearest Woodward distributor, AISF, RER, or RTR on our website at: www.woodward.com/directory... -
Page 21: Woodward Factory Servicing Options
Flat Rate Remanufacture: Flat Rate Remanufacture is very similar to the Flat Rate Repair option with the exception that the unit will be returned to you in “like- new” condition and carry with it the full standard Woodward product warranty (Woodward Product and Service Warranty 5-01-1205). This option is applicable to mechanical products only. -
Page 22: Replacement Parts
Engineering Services Woodward offers various Engineering Services for our products. For these services, you can contact us by telephone, by email, or through the Woodward website. Technical Support ... -
Page 23: How To Contact Woodward
Manual 82768 TM-55 Integrating Actuator How to Contact Woodward For assistance, call one of the following Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get information and service. - Page 24 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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