Woodward UG-8 Operation Manual
Speed adjusting devices
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- Installation and operation manual (62 pages) ,
- Installation and operation manual (28 pages)
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Summary of Contents for Woodward UG-8
- Page 1 Operation Manual UG-8 Speed Adjusting Devices Pneumatic and Manifold Speed Setting for UG Type Governors Manual 03045...
- Page 2 Protection of Electronic Controls, Printed Circuit Boards, and Modules. Woodward Governor Company reserves the right to update any portion of this publication at any time. Information provided by Woodward Governor Company is believed to be correct and reliable. However, no responsibility is assumed by Woodward Governor Company unless otherwise expressly undertaken.
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Page 3: Installation
The Pneumatic Speed Adjustment device makes it possible to adjust speed pneumatically from a location remote from the prime mover. It is mounted on top of the UG-8 Lever governor in a separate housing. The housing also accepts Woodward’s standard shutdown devices such as solenoid, pneumatic, or low lube units. - Page 4 The externally plumbed unit may be installed on a lever governor in the field. Installation instructions are included with a conversion kit. Figure 2 is a schematic of the UG-8 Lever governor which has a pneumatic speed adjusting device. This description of operation covers only the speed adjusting devices.
- Page 5 To prevent overspeed, return the lever to the minimum speed position before applying control air pressure. Figure 2. Schematic of UG-8 Lever Governor with Pneumatic Speed Adjustment The speed setting air signal is connected to the bellows (5). Lever (16) balances between the force of the bellows and the force of spring (13) under the speed setting piston (11).
- Page 6 UG-8 Speed Adjusting Devices Manual 03045 The governor will go to minimum fuel or shutdown in case of failure or interruption of the pneumatic signal. The Manual Speed Setting Screw will act as a minimum speed stop if it is not backed out of the way during normal operation.
- Page 7 Manual 03045 UG-8 Speed Adjusting Devices Figure 3. Speed Setting Plug 3, Lock the nuts in place. If the rod length is too long or too short, it may not be possible to attain the low air set speed. Install the speed adjusting device on the governor. Rod (14) should enter the hole in lever (16) below the piston.
- Page 8 UG-8 Speed Adjusting Devices Manual 03045 Parts List For Figure 4 Ref. No. Part Name ......Quantity 03045-1 Cover ..........1 03045-2 Screw, 10-32 x 0.500 ......2 03045-3 Lock Washer, No. 10, 0.190 ID ... 9 03045-4 Strap ........... 1 03045-5 Eccentric Bellows ........
- Page 9 Manual 03045 UG-8 Speed Adjusting Devices Figure 4. Parts of UG-8 Pneumatic Speed Adjustment with Manual Shutdown Woodward...
- Page 10 UG-8 Speed Adjusting Devices Manual 03045 Parts List For Figure 6 Ref. No. Part Name ......Quantity Ref. No. Part Name ....... Quantity 03045-1 Not Used 03045-37 Gasket ........... 1 03045-2 Screw, 10-32 x 0.500 ....2 03045-38 Plug, Hex Head ......1 03045-3 Lock Washer, No.
- Page 11 Manual 03045 UG-8 Speed Adjusting Devices Figure 6. Parts for UG-8 Pneumatic Speed Adjustment with Solenoid Shutdown Woodward...
- Page 12 Screw, 10-32 Socket Cap ..... 03045-115 Return Spring ........Figure 7. Parts for UG-8 Manual Speed Adjustment Speed Setting Filter The speed setting filter is provided to protect the small orifices In the head from accumulations of dirt. The filter should be removed and backflushed if the speed setting head becomes sluggish or during overhaul of the governor.
- Page 14 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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