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Related Manuals for Woodward 8901-037
Summary of Contents for Woodward 8901-037
- Page 1 Product Manual 36684 (Revis ion M) Original Ins tructions Boos ster Se ervomo otor Sin ngle Cyl inder (8 8901-037 7, -043, - -051) Tand em (890 01-065, - -067) Two-Sta age (890 01-091, - -103) Installa ation and d Opera...
- Page 2 Revisions—Text changes are indicated by a black line alongside the text. 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: Table Of Contents
5. S ..............23 HAPTER ERVICE PTIONS Product Service Options ..................23 Woodward Factory Servicing Options ..............24 Returning Equipment for Repair ................24 Replacement Parts ....................25 Engineering Services .................... 25 How to Contact Woodward ................... 26 ... -
Page 4: Regulatory Compliance
Member States relating to machinery. Pressure Equipment Compliant as “SEP” per Article 3.3 to Pressure Directive: Equipment Directive 97/23/EC of 29 May 1997 on the approximation of the laws of the Member States concerning pressure equipment. Woodward... -
Page 5: Chapter 1. General Information
Manual 36684 Booster Servomotor Chapter 1. General Information Introduction This manual covers the three types of Woodward booster servomotor: Low-volume, single-cylinder booster Medium-volume, double-cylinder (tandem) booster High-volume, two-stage booster Description A booster servomotor supplies pressurized oil to mechanical-hydraulic governors and electro-hydraulic actuators at the instant starting air reaches the engine. - Page 6 In most applications, outlet #1 supplies oil to the power piston in the governor. Outlet #2 supplies oil to the speed setting servo (of PGA, PGPL, and PGG governors equipped with any shutdown feature). Outlet #3 supplies oil to the relay piston. Woodward...
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Page 7: Figure 1-1. Schematic Of Single Booster Connections To Pg-Type Governor
Manual 36684 Booster Servomotor Figure 1-1. Schematic of Single Booster Connections to PG-Type Governor Figure 1-2. Schematic of Tandem Booster Connections to PG-Type Governor Woodward... -
Page 8: Figure 1-3. Outline Drawing Of Single Booster
Booster Servomotor Manual 36684 Figure 1-3. Outline Drawing of Single Booster Woodward... -
Page 9: Figure 1-4. Outline Drawing Of Tandem Booster
Manual 36684 Booster Servomotor Figure 1-4. Outline Drawing of Tandem Booster Woodward... -
Page 10: Figure 1-5. Outline Drawing Of Two-Stage Booster
Booster Servomotor Manual 36684 Figure 1-5. Outline Drawing of Two-Stage Booster Woodward... -
Page 11: Chapter 2. Installing And Adjusting A Booster Servomotor
Models 8901-037, -043, and -051 (Figures 1-3, 2-1, and 2-2) Refer to the general rules at the beginning of this section. Figures 2-1 and 2-2 show locations of inlet and outlet ports on Woodward governors with which a single-cylinder booster can be used. Figure 1-3 shows locations of ports and the stroke limit screw on a single-cylinder booster. -
Page 12: Installing And Adjusting A Tandem Booster
Connect a line with an air-starting valve from the starting-air supply to the air inlet on the booster. Plug the unused oil outlet(s) and air inlet (these plugs are delivered with the booster). Fill the governor with oil to the correct level (refer to the installation manual for the governor). Woodward... -
Page 13: Installing And Adjusting A Two-Stage Booster
Tighten the plug in outlet #2. Connect a line with an air-starting valve from the starting-air supply to the air inlet on the booster. Fill the governor with oil to the correct level (refer to the installation manual of the governor). Woodward... - Page 14 Turn the stroke limit screw clockwise to reduce the volume of oil to the governor and fuel to the engine, and counterclockwise to increase volume. Turn the needle valve clockwise to reduce the rate and volume of oil flow, and counterclockwise to increase the rate and volume. Woodward...
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Page 15: Figure 2-1. Governors Used With Single-Cylinder Boosters
Manual 36684 Booster Servomotor Figure 2-1. Governors Used with Single-Cylinder Boosters Woodward... -
Page 16: Figure 2-2. Governors Used With Single-Cylinder Boosters
Booster Servomotor Manual 36684 Figure 2-2. Governors Used with Single-Cylinder Boosters Woodward... -
Page 17: Figure 2-3. Governors Used With Tandem Boosters
Manual 36684 Booster Servomotor Figure 2-3. Governors Used with Tandem Boosters Woodward... -
Page 18: Figure 2-4. Governors Used With Two-Stage Boosters
Booster Servomotor Manual 36684 Figure 2-4. Governors Used with Two-Stage Boosters Woodward... -
Page 19: Chapter 3. Principles Of Operation
The booster is ready to start again. Check valves in the oil outlets prevent oil from flowing back through the oil outlets into the booster. Figure 3-2. Single Booster, Phase 2 Woodward... -
Page 20: How A Two-Stage Booster Operates
The stroke limit screw limits the stroke of the main booster piston, which limits the total amount of oil supplied to the governor by the booster. Check valves prevent oil from flowing from the booster into the governor's sump. Woodward... -
Page 21: Figure 3-5. Two-Stage Booster, Phase 3
Spring forces return the main booster piston and shuttle piston to their original positions. Reduced pressure in the booster causes sump oil to flow back into the booster. Check valves prevent oil from flowing into the booster from the oil outlet lines. Woodward... -
Page 22: Chapter 4. Replacement Parts
Figures 4-1, 4-2, and 4-3 and their associated parts lists illustrate and name all the replaceable parts of the various booster servomotors. The numbers assigned are used as reference numbers and are not specific Woodward part numbers. Woodward will determine the exact part number for your particular booster. -
Page 23: Figure 4-1. Exploded View Of Single Boosters
Manual 36684 Booster Servomotor Figure 4-1. Exploded View of Single Boosters Woodward... -
Page 24: Parts List For Figure 4-2
36684-37 Flat Washer ..........6 36684-59 Servo Head ..........1 36684-38 5/16" Shakeproof Washer ...... 6 36684-61 Accumulator Cylinder ......2 36684-39 1 /4" Threadseal ........2 36684-62 Reducing Bushing ........2 Figure 4-2. Exploded View of Tandem Boosters Woodward... -
Page 25: Parts List For Figure 4-3
36684-94 .486 ID O-ring..........3 36684-95 Breather Filter Cap .......... 1 36684-96 .239 ID O-ring..........2 36684-97 Threaded Rod ..........4 36684-98 .500-20 Hex Nut ..........8 36684-104 .351 ID O-ring..........1 36684-105 .438 UNF Steel Plug ........1 Woodward... -
Page 26: Figure 4-3. Exploded View Of Two-Stage Boosters
Booster Servomotor Manual 36684 Figure 4-3. Exploded View of Two-Stage Boosters Woodward... -
Page 27: Chapter 5. Service Options
A Recognized Turbine Retrofitter (RTR) is an independent company that does both steam and gas turbine control retrofits and upgrades globally, and can provide the full line of Woodward systems and components for the retrofits and overhauls, long term service contracts, emergency repairs, etc. -
Page 28: 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 29: 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 30: How To Contact Woodward
Booster Servomotor Manual 36684 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 31: Declarations
Declarations... - Page 32 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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