Kammer Split Body 0200,0210,0230,0250,0270,0280.pdf - PRO-QUIP

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Flow Control Division<strong>Kammer</strong> Control ValvesCapZero adjustment locknutActuator stemLocknutsGland nutClamping nutTravel indicatorPlug stemTypical valve / actuator configurationValve with actuator series 4Fig. 1CouplingCoupling screwsKupplungseinsatzCoupling insertYoke plateYoke nutsActuator series 2Fig. 1a409.00
Flow Control Division<strong>Kammer</strong> Control ValvesREMOVE AND INSTALL ACTUATORGeneral InformationWe recommend separating the actuator from thevalve during all repair work. However, manymaintenance and adjusting operations can becarried out in an installed condition.3.1 Remove series 4 actuator(see Fig 1 + 2)For series 2 actuator see 3.3For actuators with spring-to-close, go to 3.1.1For actuators with spring-to-open, go to 3.1.23.1.1 Remove cap and nameplate. Tighten zero adjustingnut until it just touches the surface of the springhousing. This relieves the plug from actuator springpressure. If the actuator is fitted with a handwheelthis can be used to relieve the plug from actuatorspring pressure.3.1.2 Using a wrench, secure the actuator stem againstturning and using a second wrench loosen the stemlocknuts. If the actuator is fitted with a coupling referto the procedure described in the maintenanceinstructions for the I/P actuator.IMPORTANT: The actuator stem must not be rotated,as this will cause damage to the diaphragm.3.1.3 Loosen gland and clamp nuts.3.1.4 Secure plug stem against turning and unscrew actuatorfrom plug stem by rotating counter-clockwise.IMPORTANT: Ensure that the plug assembly is notrotated with the plug seated. This may cause irreparabledamage to the seating faces.3.1.5 Remove actuator and remove at the same time locknut,travel indicator disc, gland nut and clamp nut.3.2 Install series 3 actuatorInformation:• Before the actuator is installed, it must be calibratedaccording to section 3 of the instructions„Pneumatic and Electro-pneumatic Actuators“.• All worn or damaged parts must be replaced.Reusable parts must be clean.3.2.1 Position actuator with clamp nut, gland nut, locknutsand travel indicator disc on the valve.3.2.2 Only for „spring-to-close“ actuators:Screw actuator onto plug stem by rotating clockwise,until the yoke plate just touches the valve housingand the actuator is aligned forward. If the actuatoris fitted with a coupling refer to the proceduredescribed in the maintenance instructions forthe I/P actuator.IMPORTANT: Ensure that the plug assembly is notrotated with the plug seated. This may cause irreparabledamage to the seating faces.Only for „spring-to-open“ actuators:Lift plug stem and screw it into the lower couplinghalf until the distance between „plug in seat“ and„plug raised“ approximately corresponds to the specifiedstroke.3.2.3 Tighten clamp nut and gland nut.3.2.4 Adjust seat tightness by screwing/unscrewing theplug stem in/out of the actuator stem.Important: Ensure that the plug assembly is not rotatedwith the plug seated. This may cause irreparabledamage to the seating faces. Open valve,make adjustment, close valve and check for leaks.If the valve is fitted with a bellows seal the plugstem may NOT be rotated at all. In the case of abellows seal adjustments are made with the coupling.3.2.5 After adjusting, secure the locknuts and the travelindicator disc lying between them against actuatorstem and align the travel indicator on the yoke rod.3.3 Remove series 2 actuator(see Fig. 1a)For series 4 actuator see 3.13.3.1 Shut off air supply.WARNING: Depressurise the line to atmosphericpressure and drain all fluids from the valve beforeworking on the actuator. Failure to do so can causeserious injury.3.3.2 Disconnect all tubing.3.3.3 Remove 2 screws and remove coupling.3.3.4 Remove yoke rod retaining nuts and lift actuatorassembly from the valve.3.3.5 Remove coupling insert and it’s locknut from plugstem.Attention: Ensure that the plug assembly is notrotated with the plug seated. This may causeirreparable damage to the seating faces.3.4 Install series 2 actuator(see Fig. 1a)The actuator stem must be fully extended:Actuators with air-to-open action must be fullyvented. Actuators with air-to-close action applysupply pressure.Manually depress the plug stem to ensure the plug isfully seated.3.4.1 Screw coupling insert locknut and coupling insert asfar as possible onto plug stem.3.4.2 Place the actuator assembly on the valve engagingthe yoke rod threads in the lower yoke plate andensuring the actuator faces in the correct direction.09.005
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