Emerson 289 Series Relief Valves / Backpressure Regulators Instruction Manual
Contents
1. and 289HH Aluminum Type 289H 2 NPT body Cast iron Type 289L Aluminum 3 4 NPT body 1 NPT body Recommended Spare Parts Part Number R289AX00012 R289LX00012 R289LX00022 R289HX00012 R289HX00032 R289HX00022 R289HX00042 R289UX00012 0Y071044022 0B043844012 3U888208012 31B1992X012 3L407008012 3L406908012 Figure 6 Type 289A Relief Valve Key Description 2 Spring Case Spring Case Assembly Type 289A Zinc Types 289H 1 NPT body and 289HH Aluminum Type 289H 2 NPT body Zinc steel Type 289L Aluminum Type 289U Zinc 3 Diaphragm Head Type 289A Aluminum Type 289H Zinc plated steel 1 NPT body 2 NPT body Type 289HH Zinc plated steel 4 Spring Seat Type 289L Zinc plated steel Type 289A Brass Type 289U Zinc plated steel Types 289H 1 NPT body and 289HH Zinc plated steel 5 Diaphragm Diaphragm Assembly Type 289A Neoprene CR Types 289H 1 NPT body and 289HH Nitrile NBR Fluorocarbon FKM Type 289H 2 NPT body Nitrile NBR Fluorocarbon FKM Type 289L Nitrile NBR 3 4 and 1 NPT bodies standard Type 289U Nitrile NBR 1 Assembly also includes an Aluminum pitot tube and brushing a Zinc plated steel spring seat and diaphragm head and a Neoprene CR seat pad 2 Assembly also includes a Zinc diaphragm head Part Number 0B061644022 1P901708012 1E7020X0012 3L3338X0012 0B061644022 07022744022 1D666428982 0W020225072 1P901425062 1L406525072 01022614012 1B2. LUBRICANTS L SEALANT S ADHESIVE A L1 ANTI SEIZE COMPOUND L2 SILICONE GREASE S THREAD SEALANT A ADHESIVE Lubricants sealant and adhesive must be selected such that they meet the temperature requirements Figure 10 2 NPT Type 289H Relief Valve 289 Series Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 For further information visit www emersonprocess com regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 The Emerson logo is a trade
3. compression according to the procedures outlined in the Startup section and then reinstall the closing cap and gasket Types 289HH and 1 NPT 289H All key numbers are shown in Figure 9 1 Loosen the hex nut key 11 and then unscrew the adjusting screw key 6 to relieve spring compression Unscrew the machine screws key 8 and remove the spring case key 2 the spring seat key 4 and the spring key 7 Unscrew the hex nut key 24 and remove the lower spring seat key 17 the diaphragm head key 3 and the diaphragm key 5 Unscrew the machine screws key 29 and then remove the stem guide assembly key 31 and attached parts from the valve body key 1 Slide the spacer key 23 and the pitot tube key 18 and attached parts from the valve body Remove the washer key 27 the gasket key 19 the spacer the O rings key 30 the O ring holder key 21 the O ring key 20 and the O ring washer key 22 from the pitot tube 10 11 12 13 14 Inspect the O rings the gaskets the spacer the orifice and the seating surfaces for damage or wear and replace parts as necessary Apply anti seizing sealant to the adjusting screw threads and to the end of the adjusting screw that contacts the spring seat Slide the O ring washer the O rings keys 30 and 20 the O ring holder the O ring key 30 the spacer the stem guide assembly the gasket and the washer ke
4. required 1B536627052 0 5 to 2 25 0 03 to 0 16 1 17 32 39 1B536827062 1 75to7 0 12 to 0 48 2 5 32 55 1B536927052 4to 10 0 28 to 0 69 2 5 16 59 289 Series Avoid personal injury or property damage from sudden release of pressure or explosion of accumulated gas Before starting disassembly e Isolate the relief valve from line pressure and e Release trapped pressure from the valve body and pressure line Type 289A All key numbers are shown in Figure 6 1 Loosen the hex nut key 11 and unscrew the adjusting screw key 6 to relieve spring compression Unscrew the machine screws key 8 and remove the spring case key 2 the spring seat key 4 the spring key 7 the diaphragm head key 3 and the diaphragm key 5 Inspect the diaphragm and seating surfaces for damage or wear and replace parts as necessary To remove the orifice key 10 unscrew it from the body Reinstall the orifice the diaphragm the diaphragm head the spring and the spring seat Reattach the spring case using the machine screws If a new spring with a different range is installed stamp the spring case with the new spring range Adjust the spring compression according to the procedures outlined in the Startup section Type 289U All key numbers are shown in Figure 7 1 Loosen the hex nut key 11 and unscrew the adjusting screw key 6 to relieve spring compression Unscrew the machine screws
5. 0012 1P336106992 1V664606382 1F269206992 1F2692X0012 1F826409012 1F826509012 1E702136072 1F 826335242 1E702214172 1E702235162 1A499724122 1B228228982 ity i ll Key 26 27 28 29 30 31 32 34 38 SZ SK Figure 8 Type 289L Relief Valve Description Lower Diaphragm Head Zinc plated steel Type 289H 2 NPT body Washer Aluminum Types 289H and 289HH 1 NPT body Type 289H 2 NPT body Pipe Plug Types 289H and 289HH Carbon steel Machine Screw Carbon plated steel not shown Types 289H and 289HH 1 NPT body 2 required Type 289H 2 NPT body 4 required O ring Types 289H and 289HH 1 NPT body 2 required Nitrile NBR Fluorocarbon FKM Stem Guide Assembly Types 289H and 289HH 1 NPT body Zinc Brass Zinc 303 Stainless steel Type 289H 2 NPT body Cast iron Brass Cast iron 303 Stainless steel Lifting Lever not shown Steel Type 289H 2 NPT body Diaphragm Protector not shown Polytetrafluoroethylene PTFE Types 289A Gasket Type 289H 2 NPT body Neoprene CR Part Number 1E703125072 1F826709012 10680511032 T13718T0012 1H526928982 1F 386528992 1D687506992 1N430406382 1F8272000A2 1F8272X0012 1E7028000A2 1E7028X00A2 0RO061725092 10A5116X012 11B1993X012 289 Series 22 30 18 AF8260 F 13 15 Figure 9 Types 289HH and 1 NPT 289H Relief Valves BE7030 L APPLY
6. 1 NPT body Types 289H and 289HH 1 NPT body Carbon plated steel Type 289H 2 NPT body Carbon steel Closing Cap Type 289H 2 NPT body Zinc Type 289L Gasket Neoprene CR Types 289H and 289HH 1 NPT body Type 289H 2 NPT body Type 289L Lower Spring Seat Zinc plated steel Types 289H and 289HH 1 NPT body Type 289H 2 NPT body Pitot Tube Types 289H and 289HH 1 NPT body Aluminum Type 289H 2 NPT body Brass Stainless steel Part Number 1A505418992 1D667728982 1D780124272 1A309324122 1B633638992 1E564937022 13A9938X012 10B9241X012 1B541644012 T1007206992 13A9929X012 1P753306992 1E105606992 1D666625072 1D779925062 1F826209012 1E701914012 1E701935032 289 Series BL4063 E Key Description 19 Gasket Composition Types 289H and 289HH 1 NPT body 1 required Type 289H 2 NPT body 3 required 20 O ring Type 289H 1 NPT body Nitrile NBR Fluorocarbon FKM Type 289H 2 NPT body Nitrile NBR Fluorocarbon FKM Type 289HH Nitrile NBR Fluorocarbon FKM 21 O ring Holder Aluminum Types 289H and 289HH 1 NPT body 22 O ring Washer Types 289H and 289HH 1 NPT body Aluminum Type 289H 2 NPT body Stainless steel 23 Spacer Types 289H and 289HH 1 NPT body Stainless steel Type 289H 2 NPT body Brass Stainless steel 24 Hex Nut Plated steel Types 289H and 289HH 1 NPT body Type 289H 2 NPT body Recommended Spare Parts 10 Part Number 1F826804022 1D779804022 1F269206992 1F2692X
7. 372544022 1D667125072 1A505202102 24B5622xX012 1E606602342 24B6447X012 1D780002332 AL4068X0062 18A2815X012 Key 10 289 Series 18A2816 A Description Adjusting Screw Type 289A Brass Types 289H 1 NPT body and 289HH Zinc plated steel Type 289H 2 NPT body Zinc Type 289L Delrin Type 289U Brass Spring Machine Screw Plated steel Type 289A 6 required Types 289H and 289HH 1 NPT body 8 required Type 289H 2 NPT body 8 required Type 289L 8 required Type 289U 6 required Screen Stainless steel Type 289L 3 4 NPT body 1 NPT body Types 289A and 289U Types 289H and 289HH 1 NPT body Type 289H 2 NPT body Orifice Type 289A Aluminum Type 289H 2 NPT body Brass Stainless steel Type 289L Aluminum Recommended Spare Parts Delrin is a mark owned by E I du Pont de Nemours and Co Wh NS aa SYY N LN IUGS SSS Figure 7 Type 289U Relief Valve Part Number Key 11 1A568414012 1D995448702 1B537944012 T1007106642 0F058114012 See Table 1 13 1P474328982 1A391724052 1A407824052 T13305T0012 1A899028982 14 1B633538392 1E564843122 0L078343062 1E564843122 11B1994X012 0T022509012 1E702613012 18 1E702635072 1L406409012 Description Hex Nut Types 289A and 289U Brass Types 289H 1 NPT body and 289HH Zinc plated steel Type 289H 2 NPT body Zinc plated steel Zinc Snap Ring Type 289L Stainless steel 3 4 NPT body
8. H Relief Valves S EMERSON D100280x012 289 Series Specifications Available Configurations See Table 1 Body Sizes and Inlet Connections Type 289L 3 4 or 1 NPT Types 289A and 289U 1 4 NPT Type 289H 1 or 2 NPT Type 289HH 1 NPT Maximum Allowable Relief Inlet Pressure and Maximum Relief Set Pressure See Table 1 Material Temperature Capabilities Nitrile NBR and Neoprene CR 20 to 150 F 29 to 66 C Fluorocarbon FKM 20 to 300 F 7 to 149 C Available with Types 289H and 289HH only Pressure Setting Adjustment Adjusting screw Pressure Registration Internal Approximate Shipping Weights Types 289A and 289U 0 75 Ibs 0 3 kg Type 289H 1 NPT Size 4 lbs 2 0 kg 2 NPT Size 15 lbs 7 0 kg Type 289HH 4 Ibs 2 0 kg Type 289L 15 lbs 7 0 kg Additional Specifications For construction materials see Parts List 1 The pressure temperature limits in this Instruction Manual and any applicable standard limitation should not be exceeded 2 Bubble tight shutoff cannot be attained at settings below 5 psig 0 34 bar with Fluorocarbon FKM O ring seat Principle of Operation Refer to Figures 2 and 4 The 289 Series Relief valves are to be installed between large service regulators such as S202G or S302G Series so the outlet is piped downstream to relieve excess pressure to the atmosphere As inlet pressure increases the spring is compressed by the diaphragm moving the disk
9. Instruction Manual Form 1724 October 2014 289 Series Relief Valves Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and or fire causing property damage and personal injury or death Fisher relief valves must be installed operated and maintained in accordance with federal state and local codes rules and regulations and manufacturer s instructions If a leak develops or if the outlet continually vents gas service to the unit may be required Failure to correct trouble could result in a hazardous condition Only a qualified person must install or service the unit Call a gas service person to service the unit Only a qualified person must install or service the regulator Introduction Scope of the Manual This manual provides instructions for installation maintenance and parts ordering information for the 289 Series relief valves Instructions for other equipment used with these relief valves can be found in separate instruction manuals Description The 289 Series pressure relief valves see Figure 1 are throttling relief valves used downstream of pressure regulators to protect the downstream system from overpressure These relief valves can be used for natural gas air propane or other noncorrosive gas flow service 18702 www fisherregulators com 289 Series 2 NPT TYPE 289H W18701 1 NPT TYPE 289H Figure 1 Type 289
10. away from the seat When the valve is opening high gas velocity through the orifice creates an area of relatively low pressure near the end of the pitot tube This pitot tube effect forms a partial vacuum above the diaphragm spring case area which helps to open the valve further Installation Installing a 289 Series relief valve where its capabilities can be exceeded or where proper operation might be impaired may cause personal injury property damage or leakage due to bursting of pressure containing parts or explosion of accumulated gas To avoid such conditions install a 289 Series relief valve where e Service conditions are within the unit capabilities specified in the Specifications section and e The relief valve is protected from exposure to physical damage and or corrosive substances 1 When installing a 289 Series relief valve make sure that the installation of the system complies with applicable local state or federal codes or regulations 2 Use qualified personnel when installing operating and maintaining a 289 Series relief valve Before installation make sure there is no damage to or foreign material in the relief valve and that all piping is clean and unobstructed 3 For installation of Types 289H 289HH and 289L relief valves the vent in the spring case must remain plugged or undrilled in order for the pitot tube to function properly 4 The 289 Series relief valves may be installed inany orientat
11. e TYRE 289H SPRING CASE A 1E7020 K A2960 Figure 5 Location of Travel Stop Drive Screw for 2 NPT Type 289H Relief Valve Table 1 Maximum Allowable Relief Inlet Pressure SPRING RANGE MAXIMUM ALLOWABLE RELIEF AVAILABLE BODY SIZE SPRING PART COLOR RELIEF PRESSURE SETTINGS INLET PRESSURE CONFIGURATION NPT NUMBER CODE psig bar psig bar 0Z056327022 Silver 3to 13 0 21 to 0 90 Type 289A Wie 1268227022 Silver 11 to 22 0 76 to 1 5 ae 3 1 1F826927052 Pink 1to4 5 0 07 to 0 31 1 1D892327022 Red 4to 15 0 28 to 1 0 400 69 1D751527022 Silver 10 to 20 0 69 to 1 4 i 1D7455T0012 Green 15 to 50 1 0 to 3 5 Type 289H 1B536527052 Dark blue 7 to 18 in w c 17 to 45 mbar 2 1B536627052 Gray 0 5 to 2 25 0 03 to 0 16 25 17 1B536827062 Dark green 1 75t07 0 12 to 0 48 i 1B536927052 Red Stripe 4to 10 0 28 to 0 69 Type 289HH 1 1D7455T0012 Green 45 to 75 3 1 to 5 2 100 6 9 13A7917X012 Silver 10 to 18 in w c 25 to 45 mbar TYPE A99 oe Oe 13A7916X012 Red Stripe 12 to 40 in w c 30 to 99 mbar 1 0 48 0V060227022 Silver 5 to 25 in w c 12 to 62 mbar Type 289U 14 0F058227022 Silver 20 in w c to 3 psig 50 to 207 mbar 10 0 69 1 This value indicates the relief pressure setting plus pressure build up Table 2 Relief Set Pressure Ranges SPRING RANGE RELIEF PRESSURE SETTING DIMENSION A SPRING PART NUMBER psig bar In mm 1B536527052 7 to 18 in w c 17 to 45 mbar Drive screw not
12. ection arrow or marking cast on the valve body When installing the molded diaphragm in the 289 Series Relief Valves make sure the diaphragm convolutions is installed in the down position as shown in Figure 3 Startup S INSTALL DIAPHRAGM CONVOLUTION DOWN Key numbers are shown in Figures 6 through 10 With proper installation completed and system equipment properly adjusted close any vent valves and slowly open the upstream shutoff valve while using pressure gauges to monitor pressure Figure 3 Installation of Diaphragm Note To ensure proper operation of the pitot tube if present the spring case key 2 must be tightly sealed It is recommended that the gasket key 15 be replaced whenever the closing cap key 14 is 289 Series SERVICE REGULATOR AJ4698 C A2404 1 PROTECT VENT PIPE WITH RAIN CAP 289 aa RELIEF VALVE Figure 4 Typical Installation removed Antiseizing sealant should be applied to the adjusting screw key 6 threads on valves without closing caps If set pressure adjustment is necessary monitor the inlet pressure with a gauge during the adjustment procedure Remove the closing cap key 14 or loosen the hex nut key 11 and turn the adjusting screw key 6 clockwise to increase or counterclockwise to decrease the relief pressure setting For 2 NPT Type 289H relief valves when changing from one spring ra
13. h spring and spring range is shown in Figure 5 Attach the spring case to the valve body using the machine screws key 8 If a new spring with a different range is installed stamp the spring case with the new spring range Adjust the spring compression according to the procedures outlined in the Startup section Then install the gasket and the closing cap Parts Ordering When corresponding with your local Sales Office about this equipment always reference the equipment serial number stamped on the spring case key 2 or the closing cap key 14 When ordering replacement parts specify the complete 11 character part number of each required part as found in the following parts list 289 Series 11 10A744 A Parts List Key Description Parts Kit included are keys 5 9 15 19 20 30 and 38 Screen is Stainless steel and gaskets are composition and Neoprene CR Type 289A include keys 5 and 9 only Neoprene CR diaphragm Type 289L include keys 5 9 and 15 only Nitrile NBR diaphragm and O rings 3 4 NPT body 1 NPT body Types 289H 1 NPT body and 289HH Nitrile NBR diaphragm and O rings Fluorocarbon FKM diaphragm and O rings Type 289H 2 NPT body include keys 5 9 15 19 20 and 38 Nitrile NBR diaphragm and O rings Fluorocarbon FKM diaphragm and O rings Type 289U include keys 5 and 9 only Nitrile NBR diaphragm 1 Valve Body Type 289A Zinc Type 2890 Zinc Types 289H 1 NPT body
14. ion However when installing the relief valve at an outside location adequate protection such as 289 Series rain caps or elbow piping see Figure 4 must be attached to the outlet to keep the relief valve from getting plugged or from collecting moisture corrosive chemicals or other foreign materials If piping is to be attached to the valve outlet the following parts if they are connected to the valve outlet as shown in Figures 6 through 10 must first be removed the screen key 9 the snap ring key 13 and the gasket key 15 A typical installation of a 289 Series Relief Valve is shown in Figure 4 M WARNING If using a 289 Series relief valve on hazardous or flammable gas service personal injury and property damage P could occur due to fire or explosion of vented gas that may have accumulated To prevent such injury or damage provide piping or tubing to vent the gas to a safe well ventilated area Also when venting a hazardous gas the piping or tubing should be located far enough SAINE PRESSURE away from any buildings or windows so E OUTLET PRESSURE to not create a further hazard and the vent opening should be protected against anything that could clog it Figure 2 2 NPT Type 289H Operational Schematic 5 Apply pipe compound to the male pipeline threads only do not apply pipe compound to the internal body threads Then install the relief valve so that the flow through it will match the dir
15. key 8 and remove the spring case key 2 the spring seat key 4 the spring key 7 and the diaphragm assembly key 5 Inspect the diaphragm assembly and seating surfaces for damage or wear and replace parts as necessary Reinstall the diaphragm assembly the spring and the spring seat Reattach the spring case using the machine screws 6 If anew spring with a different range is installed stamp the spring case with the new spring range 7 Adjust the spring compression according to the procedures outlined in the Startup section Type 289L All key numbers are shown in Figure 8 1 7 Remove the closing cap key 14 and the gasket key 15 and then unscrew the adjusting screw key 6 to relieve spring compression Unscrew the machine screws key 8 and then remove the spring case key 2 the spring key 7 and the diaphragm assembly key 5 Inspect the diaphragm and seating surfaces for damage or wear and replace parts as necessary To remove the orifice key 10 unscrew it from the body Check the pitot tube in the diaphragm assembly for blockage and remove any foreign material that might impair proper operation of the relief valve Reinstall the orifice the diaphragm assembly and the spring Reattach the spring case using the machine screws If anew spring with a different range is installed stamp the closing cap with the new spring range Adjust the spring
16. mark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls International LLC a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser Emerson Process Management Regulator Technologies Inc 2002 2014 All Rights Reserved a aaa EMERSON
17. nge to another it is recommended that a new spring case be used so that the travel stop drive screw will be positioned correctly for the corresponding spring range Each spring range requires that the travel stop drive screw be positioned appropriately in the spring case to prevent setting the relief valve pressure too high The location of the travel stop drive screw for each spring and spring range is shown in Figure 5 Shutdown Close the upstream shutoff valve and release all pressure from the relief valve Maintenance Relief valve parts are subject to normal wear and should be inspected periodically for maintenance The frequency of inspection and replacement of parts depends upon the severity of service conditions This section contains information for inspection and maintenance of 289 Series relief valves Maintenance procedures are presented for relief valve configurations of similar construction Refer to the appropriate procedure and figure for the particular relief valve configuration when changing the control spring to one of a different range or when inspecting cleaning or replacing any other relief valve parts The screen key 9 Figures 6 through 9 and vent piping if present should be free of foreign material that might impair relief flow Note The relief valve body key 1 Figures 6 through 10 may remain in the pipeline during maintenance unless replacement of the valve body is necessary 289 Series gec
18. pacer key 23 and the O ring washer key 22 from the pitot tube Then remove the O ring washer key 22 and the orifice key 10 from the valve body key 1 10 11 12 13 14 15 16 17 289 Series Inspect the O rings the gaskets the spacer the orifice and the seating surfaces for damage or wear and replace parts as necessary Apply anti seizing sealant to the orifice threads and then to the adjusting screw threads Reinstall the orifice and the O ring key 20 into the valve body Slide the gasket the O ring washer the gasket the spacer the stem guide assembly and the gasket onto the pitot tube Reinstall the stem guide assembly with attached parts into the valve body and attach it with the machine screws key 29 Replace the lower diaphragm head the diaphragm the diaphragm head and the lower spring seat then secure these parts with the hex nut key 11 Screw in the lifting stem and lock it in place with the hex nut key 24 Reinstall the spring and the washer Note For 2 NPT Type 289H relief valves when changing from one spring range to another use a new spring case to position the travel stop drive screw correctly for the corresponding spring range Each spring range requires that the travel stop drive screw be positioned appropriately in the spring case to prevent setting the relief valve pressure too high The location of the travel stop drive screw for eac
19. y 27 onto the pitot tube Reinstall the stem guide assembly with attached parts into the valve body and then attach this assembly with the machine screws key 29 Replace the diaphragm the diaphragm head and the lower spring seat and then secure these parts with the hex nut key 24 Reinstall the spring and the spring seat and then attach the spring case to the valve body using the machine screws key 8 If a new spring with a different range is installed stamp the spring case with the new spring range Adjust the spring compression according to the procedures outlined in the Startup section 2 NPT Type 289H All key numbers are shown in Figure 10 1 Remove the closing cap and the gasket keys 14 and 15 and then unscrew the adjusting screw key 6 to relieve spring compression Unscrew the machine screw key 8 and remove the spring case key 2 the washer key 27 and the spring key 7 Unscrew the hex nut key 24 unscrew the lifting stem key 25 and then unscrew the hex nut key 11 Remove the lower spring seat key 17 the diaphragm head key 3 the diaphragm key 5 the lower diaphragm head key 26 and the gasket key 19 Unscrew the machine screws key 29 and then remove the stem guide assembly key 31 and attached parts Slide the spacer key 23 and the pitot tube key 18 and attached parts out of the stem guide assembly Remove the gaskets key 19 the s
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