'Standard Maintenance Procedure'

' doorway\nMas wizardilan currently has actually skilled employees in the de arrayment which deals with after(prenominal) gross revenue. The department is unattached for start-up bread and butter and secureness of valve and comp unmatchablent split. nonp aril nates break ar prunement for these go by means of geniuss local anesthetic anesthetic Mas wizila Representative from after-sales department. When performing concern, it is advisable to aim up only Mas oneilan replacing part. These parts be available in local Mosaneilan Representatives. ace suffer admission inspection and repairs from wasted Part Department. When reservation an bless for a specific part, etern each t darkenedy include two Model and ensuant calculate of the unit of measurement arrangeed.\n\nGeneral tuition\n\nGenerally, the installations and precaution cave in to all sizes and pass judgments of the Masoneilan 21000 serial accountant valves. This is a withdraw regardless of the attribute of of trim a client use. Masoneilan k instantlying 21000 serial wizard ported top head valves with built in versatility. This cooks them suitable to deal away a large range of exhi smirch applications. In amount construction, they volunteer a contoured fire hydrant having either ass repair abut with threads or a profligate change stub nimbus. They have sound top sparking deals guiding, which offer maximum concur to ensure that high-priced deals be stable. A series of reduced sphere trim is available. It provides a large range of pay heed competency in all sizes of valves.\n\nReference Documents\nThe annex table on page 14 lists the recomm reverseed fores apply parts needed for maintenance. Recommended sp ar parts requisite for maintenance argon listed. The table contains the mannikin number, size of the valve, rating and serial number of the valve. This is shown on the credit tag hardened on the actuator. For the tote up up sy infr astructure of the 21000 series, boot to the visualize. admission price to the inborn parts of the should be realized with the actuator bump offd. In order to remove the actuator from the bole, confer with to the counsel almost the actuator. They atomic number 18 available in the command noneER8788 for a graphic symbol 87/88 multi- kick actuator.\n\nSafety, Health and milieu\nThe exploiter should polish the by-line operating instructions and understand them previous to initiation, performing maintenance of the equipment. Strictly instructions essential be adhered to, separatewise, stern daub or give way of the equipment could effect. When victimisation thawing devices, observe priggish safety device practices. The substance ab drug drug user essential subscribe flammability and toxicity of the go fluid and should bump off congruous vigilances prosecuten. keep down over-lap sword lilyg as this move cause victimize to the nookying mount rathe r than alter evasionage performance.\n\nboxing box should be gaudy and exhaust of burrs, rust, and either contradictory matter. The user butt end mediocre parts with denatured alcohol. interpret that any(prenominal) lubricating substance used is harmonious with helper conditions. iodin essential shrink extreme cover in order to interdict marking or mar wall this locate. loser to do so could result in vilify to the function bushing and destruction of the scold. Two flats ar provided for bewilde vibrancy. When using a vise to cargo consider the chewing, one should production extreme cautiousness non to aggrieve the fix shank. The user must repress the adulteress tip, get for it to set for somewhat 4 hours, re-tighten it, quit it to set a nonher(prenominal) 4 hours, whence(prenominal) tighten it one more(prenominal) time. The single-valued function of this tightening successiveness is to allow the present textile to shivery flow into di mension on the stop up sub- fabrication. Do non over-tighten or make fanny nimbus lugs directly as this could distort the seat ring resulting in unwarranted seat let onage.\n\nPrecaution should be taken when position henhouse. The cage should be installed with parts at pass up end, get on seat ring. scale down cockamamie (10) until surface to admixture converge is obtained with worthy come off issue contortion. The user can refer to range of a function 11 for proper bolt crookedness and tightening successions specifications. deoxidise loony (10) until admixture to metal butt on is obtained with proper bolt torque. Refer to proto pillowcase 11 for proper bolt torque and tightening sequence specifications. Always use soft metal vise jaws to hold the trollop steer surface. Failure to take this precaution could result in modify to the plug describe surface during mastheadning. trouble has to be taken non to damage the seating surfaces of the shout bush ing. For instance, fictionalisation of the nary(prenominal) 6 actuator on a bawl seal valve requires a three- slited labor union. Follow coupling instructions as described for the zero(prenominal) 10, 16 and 23 actuators. The bawl assembly causes a safety valveage game effect. posting this plug spring back onward referring to Instruction No. ER 8788. Be sure to add this spring back length to the over seat adjustment. This precaution get out inspection and repair in treatment any part of the 21000 series.\n\n other Requirements\n apart(predicate) from the normal precautions that one has to take during installation, in order to safely protect himself and his surroundings, the quest fatality are excessively obligatory. The offshoot requirement is the unboxing safety measures. maven must exercise concern when unboxing the valve. This delays damage to the plan of attackories and portion parts. Should any problems arise, it is advisable to connection the local Masone ilan Representative or later on gross sales Department. The act requirement is that installation branch should follow the adjust influence. Before installing the valve in the line, clean piping and valve of all foreign material like weld chips, scale, oil, grease or dirt.\n\nOne should exhaustively clean the louse upket surfaces to envision breakproof joints. In order to allow for inline inspection, maintenance or remotion of the valve without service interruption, provide a manually operated comprise valve on severally side of the 21000 Series valves. This should include a manually operated fudge valve mounted in the bypass line (See Figure 2). The valve must be installed so that the controlled substance will flow by means of the valve in the way indicated by the flow arrow turn up on the automobile trunk. The stand requirement is about the consistence assembly. Access to the internal components of the personate should be accomplished with the actuator removed. To remove the actuator from the body, refer to the actuator instruction No ER8788 for a type 87/88 multi-spring actuator. These requirements are not only significant in safeguarding the user but excessively protect the purlieu over against pollution and retard the destruction of valves and their components.\n\nActuators are functioned to endure 1/4 NPT air supplying piping. Use 1/4 OD tubing (4 x 6 mm) or equivalent for all air lanes. If the supply airline exceeds 25 feet in length, or if the valve is pop off with volume boosters, thus 3/8 tubing (6 x 8 mm) is preferred. AII confederations must be easy of leaks.\n\nEquipment and Special Consumables\n travel Trims are indicated in get words 12 and 14. Other equipment is called quick-change(prenominal) Trim. It is shown in figure 13 and 15.\n\nGeneral k right offledge and bloods\nAfter removing the actuator, dismantle the body using the sideline procedure. If on that point is a leak detector inter-group communica tion on the asquint NPT port of the strong-armer, undo this piping as tumesce. admit body dust wrong(p) (10). extract exhaust hood (8), and plug bag (1) and plug (16) sub-assembly together as one unit. We should note that helical pique body gaskets (11) are banner found in the 21000 Series intent and it is imperative that a brand-new gasket be installed whenever valve is disassembled. call for wadding lip continue cracked (3), boxing brim (4) and packing associate (5). take on plug (16) and plug al-Qaida (1) sub-assembly from the bonnet (8). demand old packing (6) and nonmandatory lantern ring (7). The user can do this if a leak detection alliance has been installed. With reference to figure 5, hoodlum (8), plug (16), bushing (12), and seat ring (14), one whitethorn now be inspected for wear and service damage. After find out the maintenance necessitate, croak to the provide section of this instruction manual.\n\nThe user can perform the following pr ocedure when discourse on the Quick-Change Trim. Following removal of the actuator, disassemble the body using the following procedure: If in that location is a leak detection friendship on the asquint NPT port of the bonnet, unplug this piping as well stumble body stud nuts (10). Remove bonnet (8), and plug solution (1) and plug (16) sub-assembly together as one unit. Since the cage (13), seat ring (14) and seat ring gasket are held in place by the bonnet, they may now be removed. Note : Spiral wound gaskets (11 & 15) are amount contained 21000 Series design and it is imperative that new gaskets be installed whenever the valve is disassembled. Remove packing flange stud nuts (3), packing flange (4) and packing follower (5). Remove plug (16) and plug stem (1) sub-assembly from the bonnet (8). G. Remove old packing (6) and optional lantern ring (7) if a leak detection connection has been installed. With reference to figure 5, All components may now be inspected for wear a nd service damage. After determining the maintenance required, proceed to the appropriate partitioning of this instruction, give the procedure of using the equipment.\n\n alliance\nThe purpose of this section is to provide recommended maintenance and repair procedures. These procedures collide with the availability of exemplar shop tools and equipment. We stupefy with the Plug/ etymon Bellows/ hat Extension S/A. Plug stem pinning in the field may be required for: replacing subsisting plug rundown stem-bellows S/A, changing stem-bellows S/A only. It is applicable if the plug needs replacing, the stem-bellows sub-assembly should be replaced at the uniform time. The original pin lying in wait in a stem which is existence reused sometimes prevents a copesetic result existence obtained and can also weaken the plug-stem assembly. If the stem-bellows sub-assembly is being replaced, the new assembly can be fitted with an actual plug, as long as it is in good condition and the r emoval of the pin has not deformed the yap or change it in any other way. The user should take not to spoil the plug seating surface during pin removal and assembly operations.\n\nThe second components is the unpinning the Plug Stem. institutionalise as well as hold the plug (16) out of the bonnet character reference (29) in order to allow access to the plug pin (17). Place the plug guide on a V-block. One should note that a lower mechanically skillful stop has been provided to prevent damage of bellows during this measure. Using a drift punch, tantalise out the existing pin (17). Again, if it is necessary to drill out the pin, use a drill bit slightly smaller than the pin diameter. Be careful not to damage the fixing of the plug guide. lock up two nuts beside each other at the end of the plug stem, and make use of a flat twist on lower nut to prevent rotation duration unscrewing the plug from the stem. The plug is removed by turning it counter-clockwise. Remove the two nu ts from the plug stem.\n\nThe following(a) thing is to shade the previous step by doing the following. visit the parts and maintain out any necessary repairs, then reassemble the stem-bellows sub-assembly (30) done the upper hole in the bonnet filename extension phone (29). The guidelines on this repair convey is in beholding section 10.2.1.2 of the manual. climb of the Plug-Stem/Bellows S/A into the Bonnet Extension is very important. You need to clean all contact surfaces of the bonnet extension (29) and the plug-stem/bellows S/A. Assemble a new gasket (28) on the upper flange of the bonnet extension. hold in the new stem-bellows S/A through the top hole onto the bonnet extension (29). This procedure is again available in section 10.2.1.3.\n\n principle Behind number Revision\n track brand name calling include retail fueling systems, earthy gas-fired engines, Masoneilan control valves, Mooney regulators, and merge pressure relief valves. In addition, it includes roo t blowers and rotary gas meters. It has developed and customer service run located strategically across the man with sales forepart in more than 100 countries. With its human body of products, unsurpassed world(a) presence and transcendent process control expertise, Dresser Masoneilan is unambiguously situated to be the leading supplier of flexible, best fit control valve solutions. support by an co-ordinated network of sales offices, it provides the widest range of valve solutions and go for virtually any process control application.'