SERVICE MANUAL No. I-0051 - Emerson Process Management
Contents
1. snotiovas wg SWHIIIE 160200 LEY S3INVEIWL YV t 0r06000 21 9661 dv Si Uu 3H9N SNO 1 IN ISNSWIC TW k VOYNVO SLLL38 Sud 3SIA83310 WA Str 00 00 85 NOISN31X3 ED Sy d NOMdOl 3AWA OL 09 INN MVdHOLIMS 3HSVM201 XYdHOLIMS L108 MYGHOLIMS 1453039 YOLON u3HSVM3201 YOLON 1108 YOLON u3HSYMX201 NOWONAP LAN 1108 u3ovds NOLLAG HSNd 90 HOUMS 340N38 1W201 NOVIS NOLING HSNd 5 01 NOVIS NOLING HSNd 1108 NOUIS NOLING HSNd AYAY 3331 039 430N038 MOGI O3ddVO NOINA 3 ddiN 31ddlN BYNSOIONI WIS WIS 3ddlN Tiddin 4 ond AXINI ond AXINI XYGHOLIMS 553 gt H A 5 06666566666686666666660680 8888 i 0051 wpd 13 VII VALVE INSTALLATION Before installing the unit observe the following 1 2 Check for external physical damage Check for any visible leakage of gear oil from the speed reducer 226 Visually inspect inside valve through group outlet port checking for damage rust and debris Check the wiring arrangement using the attached diagram on page 16 or as supplied for a particular order unit Connect power supply and signal circuits to test the plug 30 location and motor 238 rotation at each port NOTE The Multiport Selector Valve is factory adjusted2. ANSI INCH SIZE SWITCHPAK INSTALLATION AND SERVICE SWITCHPAK ROTARY POSITION INDICATING SWITCHES MODELS SWesxx ARE SUPPLIED WITH 8 SWITCHES ADJUSTABLE THROUGH 360 OF SHAFT ROTATION THE DRAWING ILLUSTRATES A TYPICAL 8 SWITCH UNIT AND MOUNTING ARRANGEMENT THE ENCLOSURE IS WATERTIGHT AND SUITABLE FOR INSTALLATION IN CLASS 1 DIV 1 GROUP C amp D HAZARDOUS LOCATIONS INSTALLATION 1 REMOVE COVER 2 ATTACH HOUSING D TO STATIONARY BRACKET WITH CAM SHAFT AND ROTARY STEM ENGAGED 3 BEFORE TIGHTENING MOUNTING BOLTS ALIGN CAM SHAFT CONCENTRIC TO STEM AND POSITION CAMS WITH SETSCREWS 12 AS SHOWN ENSURE THAT BOTH STEM AND SHAFT CAN BE ROTATED WITHOUT BINDING BEFORE TIGHTENING SETSCREWS 4 IN HAZARDOUS LOCATIONS INSTALL SEALING FITTINGCS IN ACCORDANCE WITH LOCAL REGULATIONS AND NATIONAL CODE 5 SECURE GROUND WIRE S TO GROUND SCREW 17 ENSURE THAT ALL WIRES ARE FREE OF STRAIN AND LOCATED TO CLEAR COVER SETPOINT ADJUSTMENT SETPOINTS ARE FACTORY SET PER WIRING DIAGRAM IF APPLICABLE T TO ADJUST LOOSEN SETSCREW 12 ROTATE CAM TO POSITION DESIRED AND RE TIGHTEN SETSCREW SENSITIVITY ADJUSTMENT SENSITIVITY IS NORMALLY FACTORY SET TO ADJUST TURN TRIGGER SCREW 13 gt DUT TO ADVANCE AND LENGTHEN SIGNAL TURN IN TO SHORTEN AND DELAY USE 0 001 FEELER GAP GAUGE ENSURE SWITCH LEVER CONTACT WITH SWITCH BODY W ACEMENT DISCONNECT SUP
3. cam 4 as per step 2 above Preset cam 8 as per step 3 above Continue to activate command switches for remainder of ports and adjust cams for over under travel NOTE Always open main switch or disconnect power when adjusting or servicing Switchpak E Jog Feature 1 Select local setting on the remote local switch 2 Depress the JOG switch and maintain it until the indicator is aligned over the desired port then release it NOTE When viewed from above the plug rotates counter clockwise CCW only F Finally 1 Pour seal or tag 2 Install the 2 NPT caplug in the eight flowline ports 3 Install the 2 NPT caplug in the test outlet port 4 Install the 4 NPT caplug in the group outlet 5 Install the 1 NPT caplug in the Switchpak 6 Install the 1 2 NPT port plugs in the Switchpak i 0051 wpd 1 HOUSING TENZALLOY TI 2 cover tenzaccoy 111 7 o 5 smart ssas 10 cam 1 ja 6061 6 8 3 12 SETSCREW CAM 8 TRIGGER SCREW NYLON 8 t3 14 PRESSURE LAMINATE PHENOL FABRIC 10 i 15 TERMINAL BLOCK MK3 i2 MELAMINE z 16 MICROSWITCH 00004 DT RV3 A7 8 5 17 GROUND SCREW SS 34 nl 18 O RING SHAFT NITRILE LC 19 O RING HOUSING NITRILE 1 28 HEATER CERAMIC Co DRAIN 155 34 11 NOTE 0 DENOTES SUPPLIED AS OPTION FASTENERS AND SERVICE TOOLS ARE
4. reducer pedestal 200 in place Install two bolts 204 two lockwashers 206 two spacers 201 two studs 203 four nuts 205 and four flatwashers 207 with indicator plate 202 Install the lower connector 208 Install the indicator 88 on the upper connector 210 Install the upper connector 210 with setscrew 216 started Install the speed reducer 226 with key 218 and four bolts 232 lockwashers 236 and nuts 234 Check for free rotation between connector halves to confirm shaft alignment Adjust if necessary Tighten all mounting bolts and nuts Install and tighten the connector bolt 212 and locknut 214 and tighten the setscrew 216 Install the motor 238 with four bolts 244 and lockwashers 246 Align and tighten B LOCAL STEPPING COMMAND ELECTRICAL CONDUIT SWITCHPAK PEDESTAL AND CONNECTOR Refer to the local stepping command electrical assembly drawing on page 13 1 i 0051 wpd Set the Switchpak pedestal 449 in place and install four studs 452 four flatwashers 455 four lockwashers 453 and four nuts 454 Install the Switchpak connector 457 on the speed reducer shaft followed by the Switchpak coupling 455 and the Switchpak coupling adapter Off of the Switchpak pedestal assemble the Switchpak 300 1 NPT x 3 4 NPT reducer 322 two 3 4 NPT close nipples 310 seal encloser 315 seal cover 314 and the junction box 370 Position the Switchpak and jun
5. when supplied with actuator and should not require further adjustment Connect piping NOTE When hydrotesting external piping position the plug between any two inlet ports in order to equalize test pressure between the valve body and external piping and prevent possible seal damage from occurring VIIIVALVE MAINTENANCE The Multiport Selector Valve is shipped completely greased and lubricated but it is recommended to check the unit prior to operation if it is stored for more than one year 1 Check speed reducer oil at regular intervals and change the oil each hundred running hours or once a year whichever comes first Use Mobile Synthetic SHC 634 ISO VG460 lubricant or a suitable equivalent Make sure oil in the speed reducer 226 is at indicated level NOTE Excessive oil could cause pressure build up leakage and overheating which will result in rapid wear of oil seals bearing and gears Lubricate bearing 60 through grease nipple every six months or as needed Use Dow Corning Extreme High Temp 41 or a suitable equivalent Do not lubricate motor since it is a sealed unit i 0051 wpd 14 IX TROUBLESHOOTING A Actuator does not align plug 30 to port 1 If the alignment is off only at one or two ports but the rest are aligned then refer to assembly and adjustment procedure on pages 3 through 14 If alignment is off in the same direction for all ports then a Check the valve actuator connector for l
6. 22 NOTE ILLUSTRATES ESSENTIAL PARTS AND CONSTRUCTION END CONNECTIONS MAY VARY UNLE SPECIFE ness T BETTIS BETS CANADA LTD amp Controis zen ASSEMBLY FOR NPS 2 X 4 MULTIPORT SELECTOR VALVE REDRAV UPDT STDS WITH ACTUATOR RS 1996 07 24 e REO VENT PLUG GROUP OUTLET AT 45 Fa peer 350 Ce CES Ze een te PP Es 1154 E pg AB0272 X 401 223 i 0051 wpd 6 NN MATERIAL FINISH i 0051 wpd WAY g iS Lal DESCRIPTION PLUG BUSHING PLUG LOWER PLUG O RING LOWER PLUG O RING BACKUP SEAL ADJUSTING NuT SEAL WAVE SPRING WASHER PLUG SEAL PLUG SEAL O RING PLUG SEAL O RING BACKUP SCRAPER SCRAPER SPRING TAPER BEARING BONNET UPPER PLUG O RING LUG VENT UPPER PLUG O RING BACKUP WIPER BONNET O RING GREASE FITTING BONNET STUD zy Bu Rs A s 7 27 lt me TEST INLET 20 SR TEST OUTLET S BETTIS CANADA LTD Actuators amp Controls TOLERANCES LEVER OPERATED FOR x tos W MULTIPORT SELECTOR VALVE x 005 500 xx 116 x 002 250 132 xw soos 15 AT 45 GROUP OUTLET TAR 1010 Z t1 LE TConz CHAMFER FIRST THREAD AA eee 9 14 REMOVE ALL BURRS Mi i S 38 GROUP OUTLET 29 V ACTUATOR ASSEMBLY A PEDESTAL CONNECTOR SPEED REDUCER AND MOTOR Refer to typical valve assembly drawing on page 6 1 2 10 Set the speed
7. BETTIS Actuators amp Controls EET eee Bettis Canada Ltd 4112 91A Street Edmonton Alberta Canada T6E 5V2 Tel 403 450 3600 Fax 403 450 1400 SERVICE MANUAL No 0051 2 ANSI 600 MULTIPORT SELECTOR VALVE CUSTOMER P O WOH TAG DATE APPLIES TO OPERATOR MODEL DESCRIPTION INTRODUCTION II VALVE SPECIFICATIONS I VALVE ASSEMBLY IV VALVE DISASSEMBLY TYPICAL VALVE ASSEMBLY DRAWING VALVE DETAIL DRAWING V ACTUATOR ASSEMBLY VI ADJUSTING SWITCHPAK ASSEMBLY DRAWING ELECTRICAL ASSEMBLY DRAWING VII VALVE INSTALLATION VIII VALVE MAINTENANCE IX TROUBLESHOOTING TYPICAL WIRING DIAGRAM X NOTES Edmonton DWG NO PAGE 2 3 5 ABO272 6 C 0114 7 8 9 IB0048 08 12 IB0163 13 SB0704 X01 16 I 0051 WPD 1 REV2 JUL 31 97 I INTRODUCTION As many as eight flow lines can be manifolded through one Bettis Multiport Selector Valve The valve allows diversion of an individual flow line to a test outlet for testing or sampling while combining the flow of the other seven into a separate group outlet VALVE SPECIFICATIONS me RATING CONNECTION WEIGH T BODY TRIM MAXIMUM WORKING EIGHT MATERIAL WORKING FLOWLIN PRESSUR E E INLET PSIG PORTS IRON HIGH TEMP 1440 2 NPT 2 4 NPT STEEL HIGH TEMP 1440 Cv 67 FOR TEST OUTLET FLOW Cv 164 FOR GROUP OUTLET FLOW SHELL HYDROSTATIC TEST PRESSURE 2000 PSIG 13780 kPa STAN
8. DARD TRIM MAXIMUM DIFFERENTIAL TEST GROUP 120 PSIG 825 kPa MAXIMUM DIFFERENTIAL GROUP TEST 80 PSIG 550 kPa HIGH TEMPERATURE TRIM MAXIMUM DIFFERENTIAL TEST GROUP 200 PSIG 1375 kPa MAXIMUM DIFFERENTIAL GROUP TEST 120 PSIG 825 kPa INTERMITTENT SEAL EXPOSURE AT 285 C FOR 15 MINUTES WITH A MAXIMUM BODY PRESSURE OF 1100 PSIG AND MAXIMUM DIFFERENTIAL ACTUATOR SPECIFICATIONS PLUG POSITION TOLERANCE 2 TORQUE MAXIMUM DIFFERENTIAL SHOULD BE BETWEEN 35 AND 50 ft Ibs ACTUATOR SPEED 1 4 RPM ACTUATOR WEIGHT 50 Ibs POSITION ACCURACY 217 i 0051 wpd 2 II VALVE ASSEMBLY Refer to typical valve assembly drawing on page 6 and valve detail drawing on page 7 Ensure all the parts are clean and in good condition before assembling the Multiport Selector Valve Use Esso Valve Grease No 1 or a suitable equivalent to lubricate the components A BODY 10 1 2 Visually inspect internal and external surfaces and threads Install the teflon 2596 carbon bushing 20 B PLUG 30 1 Lubricate and install the lower plug o ring 32 with the teflon backup ring 36 above the o ring Lubricate and install the seal adjusting nut 38 with five wave springs 40 followed by the wave spring backup 43 Make sure these springs are placed properly on the step of the adjusting nut behind the plug seal If these springs are not in the proper place it is impossible to get the plug seal 42 t
9. PLY CIRCUITCS BEFORE REMOVING COVER ROTATE CAM SHAFT TO INTERMEDIATE XMICROSWITCHES UNACTUATED POSITION DEMDUNT TERMINAL STRIPCS gt IF PRESENT NOTE MICROSWITCH ARRANGEMENT TWO STACKS STAGGERED WITH SPACERS ABOVE ONE BELOW THE OTHER FOR RE ASSEMBLY REMOVE MICROSWITCH MOUNTING SCREWS REPLACE DEFECTIVE MICROSWITCH AND CHECK THAT LAMINATE SEPARATES EACH SWITCH 7 REPLACE MICROSWITCH MOUNTING SCREWS CAUTION ENSURE COVER JOINT THREADS AND O RING ARE FREE OF DEBRIS AND LUBRICATED BEFORE REPLACING COVER IN HAZARDOUS LOCATIONS KEEP COVER TIGHTLY CLOSED WHILE CIRCUITS ARE ALIVE y aw Mr MOUNTING BOLT SETSCREW ADAPTER COUPLING STEM TYPICAL BETTIS CANADA LTD Actuators amp Controls eg SWITCHPAK SW28XX INSTALLATION AND ADJUSTMENT UNLESS SPECIFIED OTHERWISE ALL DIMENSIONS INCHES nn TOLERANCES DECIMALS RMS FRACTIONS X 1005 500 xx x x t1 16 Xx 2002 250 x x x 1732 xxx 0005 125 X K 1 64 1 0046 DWG_VIEV_08 TIR 0010 THD 1 TURN Zar jaN 09 9 GRAF E FIRST THREAD ec VL e eril DEC 04 95 Farerai kee 2 7482 1 Ir B0048 08 i 0051 wpd 12 REV BY DATE REF Greter EA EN E 56 10 9370 sal dV ul E swos IPS ONVANOD W201 XX soror e HOLOM OVAOZL 2 9 e rr XX WLIO 5 91 13 OG 009 X 501923135
10. TO MOVE TO PORT No 2 TO ENGAGE STEPPING COMMAND SWITCH TO LOCAL MODE PRESS AND HOLD APPROX 5 SEC OR UNTIL PLUG POINTER TRAVELS 75 TOWARDS NEXT PORT STEPPING SWITCH MOMENTARILY THEN RELEASE PUSH BUTTON STATION NO B0704 XO01 X MULTIPORT SELECTOR VALVE NOTES i 0051 wpd 17 orig dh 1988 09 rev2 rp ps 1997 07 31 app dist EF O SM P
11. ction box assembly on the pedestal using the spacers 371 bolts 372 lockwashers 374 and nuts 373 engaging the Switchpak coupling adapter Install the four Switchpak bolts 458 and lockwashers 462 10 Off the Switchpak pedestal assemble the push button station 350 local remote switch 355 jog push button 356 3 4 NPT capped elbow 321 3 4 NPT x 2 50 long nipple 317 and 3 4 NPT x 3 00 long nipple 318 Thread into the seal encloser until the back of the push button station is flush with the Switchpak pedestal Loosely install the push button station bolts 351 lockwashers 354 and nuts Between the motor terminal box 438 and the seal encloser install one 3 4 NPT close nipple 310 one 3 4 NPT x 3 00 long nipple 318 one 3 4 NPT x 3 25 long nipple 311 one 3 4 NPT x 3 50 long nipple 312 two 3 4 NPT capped elbows 321 and the 3 4 NPT union 320 Install all wiring according to the applicable wiring diagram and local regulations Check shaft alignment by rotating both shafts independently without binding occurring in the connector Adjust if necessary With the Switchpak relay bracket and push button station aligned on the Switchpak pedestal tighten all mounting bolts nuts and setscrews VI CAM ADJUSTING Refer to Switchpak assembly drawing on page 12 and the typical wiring diagram on page 16 A Objective To align valve plug 130 at each port upon application of command signal to electr
12. h cam 10 in place confirm that signal adjuster screw 13 standout is just sufficient to actuate microswitch 16 1 Close main switch and command switch 1 to start actuator then open main switch manually when plug 130 and port 1 are aligned 2 Rotate cam 1 until the signal adjuster screw 13 triggers the switch then advance the cam radially approximately 1 to account for the motor and drive train momentum to preset cam 1 With the plug 130 still aligned to 1 port make the following preliminary adjustments NOTE Opposing ports 180 to each other can be preset i e number 4 port is opposite to number 8 3 Preset cam 5 Align the trigger screw of cam 5 with the setscrew of cam 1 To tighten cam 5 setscrew insert Allen key between the two switch stacks 4 Apply power connect negative to terminal 2 turn switch on and off and manually stop at port 2 Adjust cam 2 as per step 2 above 5 Preset cam 6 Align the trigger screw of cam 6 with the setscrew of cam 2 Again to tighten the setscrew insert the Allen key between the two switch stacks 6 Apply power connect negative to terminal 3 turn switch on and off and manually stop at port 3 adjust cam 3 as per step 2 above 7 Preset cam 7 Align the trigger screw of cam 7 with the setscrew of cam 3 and tighten i 0051 wpd 10 8 Apply power connect negative to terminal 4 turn switch on and off and manually stop at port 4 Adjust
13. ic actuator B Pre requisites 1 2 i 0051 wpd Switchpak is assembled and installed according to factory specifications Typical wiring and controls are according to wiring diagram on page 16 and the eight on off command switches and main on off switch disconnect means are in place Power supply is present Connections a Terminals 13 and 14 connect 110 VAC electrical supply b Terminals 11 and 12 connect 24 VDC command electrical supply with the positive lead to terminal 12 NOTE The negative will be connected to terminals 1 through 8 as the desired port is selected The 24 VDC electrical supply should have an ON OFF switch to isolate it from the unit while adjustments are being made C Before proceeding with cam adjustment ensure that 1 All port plugs are removed or the indicator is in place accurately whichever is applicable to check for plug 130 and port position 2 Cam setscrew 12 is flush with cam 10 and the signal adjuster screw 13 standout is just sufficient to trigger microswitch 16 3 Limit switch No 1 lowest on stack corresponds with Port 1 NOTE If signal adjuster screw 13 standout is excessive it could damage the microswitch 16 or lever during rotation Notice that since cam setscrew 12 is opposite to signal adjuster screw 13 on each cam some cams can be preset to reduce trial and error repetitions D Cam Adjusting Procedure NOTE Before locking eac
14. lease the pressure to zero before proceeding 2 Remove plug or fitting from port for access and turn the seal adjusting nut 38 clockwise to release load on plug seal 42 and scraper 54 to clear body bore 3 Remove the eight bonnet nuts 82 and studs 80 Remove the bonnet 62 with a straight lift along the axis NOTE Bonnet has two 1 2NC tapped holes that can be used for lifting 4 Remove the plug 30 from the valve body 10 i 0051 wpd 5 DESCRIPTION BODY PLUG BUSHING PLUG O RING LOWER PLUG O RING BACKUP SEAL ADJUSTER NUT WAVE SPRING WASHER PLUG SEAL O RING PLUG SEAL O RING BACKUP SCRAPER SPRING SCRAPER TAPER BEARING BONNET O RING UPPER PLUG VENT PLUG O RING BACKUP WIPER O RING BONNET GREASE FITTING BONNET STUD BONNET NUT NAMETAG INDICATOR BOLT INDICATOR NUT INDICATOR PADESTAL VALVE BOLT PEDESTAL FLATWASHER PEDESTAL CONNECTOR LOWER CONNECTOR UPPER BOLT CONNECTOR LOCKNUT CONNECTOR SET SCREW CONNECTOR KEY REDUCER SPEED REDUCER BOLT REDUCER NUT REDUCER FLATWASHER REDUCER MOTOR BOLT MOTOR LOCKWASHER MOTOR PEDESTAL SWITCHPAK BOLT PEDESTAL WASHER PEDESTAL CONNECTOR SWITCHPAK SETSCREW CONNECTOR SWITCHPAK PORT PLUGS BOLT SWITCHPAK NUT SWITCHPAK FLATWASHER SWITCHPAK Arete I SE 6690 ELBOW Nf al FLOWLINE INLET SEAL V R CATT 0F8 NIPPLE UNION CAPPED ELBOW REDUCER NIPPLE 88888 E 0006000606000068 Q12 Q32 052 602 G
15. o hold pressure Lubricate and place the o ring 48 and two teflon backup rings 52 in the plug seal groove then install the plug seal 42 NOTE Push seal in by hand only Install the circular scraper 54 with two wave springs 58 NOTE Apply a small amount of grease to the springs so they can stay in place during assembly Make sure the scraper fits freely in the plug bore To check push in at both sides by hand then let go and see if the scraper returns to its original position Place the plug 30 in the body making sure that the plug seal and scraper are flush with the plug bore or has enough clearance between the scraper and the body bore to prevent contact Install and grease the bearing cone 60 i 0051 wpd 3 C BONNET 62 T 2 10 11 12 13 i 0051 Lubricate and install the bearing cup 60 inside the bonnet Lubricate and install the o ring 66 with the teflon backup ring 70 above the o ring in the inner groove Lubricate and install the o ring 74 in the outer groove Install the wiper 72 and the grease nipple 78 NOTE Grease to flush and fill passage at this time Set the bonnet in place with the actuator mounting holes straddling centreline of the group outlet port ensuring that the bonnet is placed flat on top of the valve body to prevent damage to the o ring 66 Place bonnet such that the 1 2 NPT vent plug 68 is located over the group outlet NOTE P
16. ooseness b Check the Switchpak actuator connector for looseness c Check the motor for stalling or overload d Check the speed reducer for visual leakage or noisy gear e Check the accuracy of the position indicator itself NOTE Refer to assembly and adjustment procedures on pages 3 through 14 as required B Plug seal assembly leaks 1 2 i 0051 wpd Refer to specifications for differential pressure limitations Check if plug is aligned with port Remove plug from home test port and check for plug seal assembly damage ie scratches If more information is required contact the factory i 0051 wpd INDICATION CIRCUITS QT COMMAND CIRCUITS MOTOR POWER CIRCUTS OG M amp 71 10 AWG 14 AWG AS REQ D va TINE SPARE RESERVE FOR HEATER AND THERMOSTAT 1 GROUND 2 16 Ni DOUBLE POLE DOUBLE THROW SWITCHES MULTIPORT SELECTOR VALVE LOCAL STEPPING COMMAND IDEC RR3PA U RELAY WIRING DIAGRAM FACTORY w r WIRING C7 535 SOLENOID PRESSURE w UMT SWITCH VARISTOR sO rsg 0 2500 OTES SHOWN WITH PLUG AT PORT No 1 REMOTE MODE LSI_ FOR PORT 1 ARE ACTUATED COMMAND ANO INDICATION CIRCUITS MUST BE THE SAME VOLTAGE FOR CCW ROTATION OF PLUG POSITIVE VOLTAGE MUST BE CONNECTED TO TERMINAL 15 ENERGIZE COMMAND CIRCUIT No 2
17. ush bonnet down only by hand or rubber mallet Install studs 80 with anti seize lubricant C5 A high temp copper compound or a suitable equivalent Tighten two of eight bonnet nuts 82 at 180 interval then ensure that the plug 30 rotates freely through a complete revolution Tighten the remaining nuts after confirming that the bonnet 62 and plug 30 have been centered Torque the nuts to 100 ft Ibs Adjust the plug seal 42 by first aligning the plug 30 with an open ie home test port then turn the adjusting nut 38 counter clockwise viewing towards the valve centerline with adjusting tool until the scraper 54 just touches the inside wall surface Rotate plug 30 at least one revolution and check for binding or excessive turning torque ie it should be 3 to 4 ft Ibs then tighten the adjusting nut 30 with the supplied adjusting tool counter clockwise viewing towards the valve centerline to 35 ft lbs of torque NOTE Do not overtighten the adjusting nut 38 Turn the plug 30 at least one revolution and check for smooth movement If plug seal 42 is binding at each port 30 when plug 30 is rotating that means either the plug seal or the wave springs 40 are not in the proper position See disassembly procedure below if required Install vent plug 68 in the bonnet port Perform any required leakage test s 4 IV VALVE DISASSEMBLY Refer to typical valve assembly drawing on page 6 1 Re
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