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Instruction - Axel Larsson Maskinaffär AB
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1. 18 20 24 28 J32 RAA aa R 14 21 23 23 RES or ieee ee Ta RC230 240 F10_ Mio 17 40 45 45 Re ee 0 e ee Re Lie iia Le oe ee ness See ee EE Pe eee eee RC27o_ TE M6 25 125 140 155 185 tS 270 AO e ee et 250 a oe a RG280 sie ie 2s ee Ee ee Ee es Le RC280 F16 M20 32 a 280 330 360 Re Air Connections DA DATP Reversed direction of rotation Double Acting f iN CW CCW CCW CW SR SRF Single Acting with Spring Return Air CCW rotation Air CW rotation Spring CW rotation Spring CCW rotation Lubrication Recommended Lubrication Grease RC actuators are permanently lubricated and additional Cylinder bore and lubrication is normally not required However for actuators drive shaft performing 100 000 operation cycles or more under very with shaft sealings heavy load an oil mist lubriction is recommended RC200 Standard Oil mist lubrication requires a mineral oil type ISO VG32 according to DIN 51524HLP for usage in temperature range Rec ONENE ERRENORO OA 10 to 70 C Oil mist lubricator must be set at lowest possible value Commenced oil mist lubrication must continue Piston roller 21 bearing Grease If the actuator is equipped with pneumatic or electropneu All RC200 Cargo Red Grease matic positioner oil mist must not be used Oil mist lubrication and grease contain
2. Adjustment of closed valve position SR Adjustment of open valve position Adjustment degree 3 90 in relation to the end position EN AAA ATATA A AYU Wi ala aE Manual Operation DA The handwheel is turned clockwise The stem and piston are drawn outwards The valve closes SR The handwheel is turned anti clockwise The stem and piston are drawn outwards The valve opens The actuator 15 shaft is thus turned in the same direction as the handwheel When the actuator has been operated manually a return to the Auto position must take place before remote operation can be performed again On dismounting the manual operation housing 25M the actuator must first be ventilated for SR actuators the stem 51 must also be in Auto position AXEL LARSSON Q www axel larsson se Head Office Axel Larsson Maskinaff r AB Truckvagen 12 P O Box 805 SE 194 28 Upplands V sby Stockholm Sweden Telephone 46 8 555 247 00 Fax 46 8 555 247 90 E mail info axel larsson se Design and specifications subject to change without prior notice
3. inner most position 9 Put the screws 4 in place When tightening the screws the spring force is transmitted from the tensioning screw 26 to these screws Tightening torques according to table on page 6 10 The turning angle of the actuator is adjusted with the tensioning screw 26 Manufacturer Rotork Sweden Original type RC All ial j 8 ZK mine i M IN LN A m ON SA a Adjustment is made with screw 26 Table 1 RC200 SR actuator ek Instructions for Dismantling of RC200 SR Actuators with Manual Operation Unit Type M1 WARNING Do not remove the protective tube 50 and handwheel from the spring housing as long as the springs are tensioned This procedure must be followed for safe dismantling of pre tensioned spring housings 1 The actuator must be pressureless 2 Check that the springs can press the piston back into its starting position according to figure 3 The upper shaft journal must not be oblique 3 Disconnect possible power supply 4 Turn the handwheel so that the threaded stem 51 moves toward the actuator until it stops and the yellow marker 68 can just barely be seen in the plastic tube 49 5 For sizes RC220 240 260 and 280 i e actuators with two pistons adjust the tensioning screw 26 in the opposite spring housing anti clockwise until it lies against the spring guide 22 Dismantle the spring housing by loosening the screws 4 6
4. C210 260 1 Stainlesssteel 57 _ Spring Holder Stainlesssteel _ o 59 Oring RC210 24000 1 Nite O 62A __ Stem nut DA right threaded 4 RC210 240 Brass E a iron Zinc plated 62B __ Stem nut SR leaft threaded 41 RC210 240 Brass o RE 250 280 Ductile iron Zinc plated Aluminium Le a Se 66 _ Screw RC250 280 Steel Zincplated 67 label St Polymermaterial 68 _ Indicationring S 1 Polymer material yellow 5 400B_UK 7 Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL Pneumatic actuator AL 77 200 Manufacturer Rotork Sweden Original type RC Function RC M1 51 Auto position a oe CI gt 7 TUL LLL LLLA r Z Y Neutral Position With the stem 51 in Auto position the piston 10M can move freely and the actuator can be operated pneumatically The picture shows a double acting actuator DA in open position or a single acting actuator SR in closed position 46 eee wi NU ce HOARY Rat Wh IVICA mast Yn UTE Manual Operation DA The handwheel 46 is turned anti clockwise The stem 51 and piston 10M are pressed inwards The valve opens SR The handwheel is turned clockwise The stem and piston are pressed inwards The valve closes mn End Position Adjustments M1 in Auto position works as an end position stop DA
5. For all sizes then turn the handwheel until there is resistance and the yellow marker 68 can be seen within the AUTO position 7 Dismantle the spring housing of the manual override by loosening the retaining screws 4 and turning the handwheel several turns in the direction which gives the least resistance Dismantling must be carried out in the above order with the utmost care In the case of the slightest uncertainty contact the supplier SSAMSASS SSS BD si SSA a i iy tm Xx 5 400B_UK 4 Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL Pneumatic actuator AL 77 200 Manufacturer Rotork Sweden Original type RC Instructions for Dismantling of RC200 SR Actuators RC 210 230 250 and 270 Ae Nanana Ss 1R Pg XN ASSESS Is A 5 400B_UK 5 WARNING The procedure below must be followed for safe dismantling of pretensioned spring housings 1 The actuator must be pressureless 2 Check that the springs can press the piston into starting position according to figure 4 3 Disconnect all possible power supply 4 Loosen the lock nut 29 5 Turn the tensioning screw 26 anti clockwise until it lies lightly against the spring guide 22 6 Dismantle the spring housing by loosening the screws 4 7 Dismantling must be carried out with the utmost care In the case of the slightest uncertainty contact the su
6. Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL Pneumatic actuator AL 77 200 Type and Design DA Double Acting Actuator with pneumatic operation in both directions SR Spring Return Actuator with spring return RC 210 230 250 and 270 have 1 piston RC 220 240 260 265 and 280 have 2 pistons Operating Medium If the operating medium is instrument air it shall be dust and oil free Accepted operating medium Non dangerous fluids group 2 according to directive 97 23 EC The dew point shall be equal to 20 C or at least 10 C below the ambient temperature The maximum particle size must not exceed 40 um The exhaust air must pass through a filter silencer before it is let out into the workshop The Application of the Scotch Yoke Construction The Scotch Yoke of the RC200 actuators has canted slots Thus the actuator can be given different function depend ing on how the pistons are mounted in the actuator The pistons are mounted according to Fig 1 page 2 or Fig 1a in order to achieve the following functions According to Fig 1 DA Actuator with adjustable closed valve position clock wise end of travel SRF Actuator with spring opening counter clockwise direction adjustable closed valve position clockwise end of travel According to Fig 1a DAAO Actuator with adjustable open valve position coun ter clockwise end of travel SR Actuator with spring closing clockwise direction ad
7. be replaced as below 1 Please read the warning on the left 2 Dismantle the actuator from the console 3 Dismantle the retaining rings 31 and 40 around the shaft 4 Dismantle the worn details Support Elements 5 Fit the new O rings 18 and 38 1 Please read the warning above 6 Fit new washers under the retaining rings 2 Dismantle the actuator from the console 7 Use a grease according to the lubrication list on page 3 Dismantle the end plates 5 or the spring houses 25 6 when mounting 4 Fasten the actuator shaft between soft jaws in a vice 8 Fit the new retaining rings and turn the actuator until the pistons reach the cylinder 9 Check that the retaining rings are tightly fitted end Then place a few rods in the holes on the outside without play in their grooves of one piston By pressing together and pulling these rods simultaneously the piston is dismantled from the cylinder 5 Ifthe piston O ring 12 is worn it must be replaced Exchange of Shaft Bearings l 6 Replace the support band 14 if it is worn The bearings 16 and 36 and also the support ring 7 Replace the support element 9 if it is worn 19 on the RC210 240 can easily be replaced when the 8 Grease the cylinder surface with a grease according to pistons and shaft sealings are dismantled as above For the lubrication list on page 6 larger actuators please contact the supplier 9 Fit piston s correctly positioned see The Application of t
8. he Scotch Yoke construction 10 Fit the end plate s or spring pack s and adjust the shaft turning angle 5 400B_UK 2 Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL P neum ati C act u ato r A L 7 l 2 0 0 Manufacturer Rotork Sweden Original type RC Material Table for RC210 280 ae Size 210 260 Stainless steel a GOMES op EREN Others Steel Zinc plated Size 210 260 Stainless steel O O ring o O ring o E ee Nitrile Sy i eee R Aluminium Powder coated O ring Cylinder 1 f 1 Aluminium Anodized e sone ott 9 Supportelement 14 1 POM O IA band Polymer material Size 210 260 Stainless steel Driving shaft Others Steel Zinc plated yellow chromated 16 Bearing upper UPREL e E omer material ae DUS 19 Support ing upper 1 1 a Piston pin 21 Pistonroller 1 1 Stee o 22 Sprngguide 1 Aluminum 23 Spring etema 1 Aloyed spring stel Corrosion protected H Spina imema L j t Aloyed sping steel o o Corrosion protected 25 Spring housing rousing 14 Aluminium o S Powder coated Size 210 260 Stainless steel so N e Polymer material an or 1 Nitrile S eT T a a Aluminium Anodized 31 Retaining ring upper 1 1 Spring steel C 32 Middle washe 1 1 Stainless steel 33 Support washer upper 1 1 _ Polymer material chemically resistant ee aa eg A a Sump
9. ing polyglycole ester or other aggressive additives shall be avoided 5 400B_UK 6 Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL P neum ati C act u ato r A L 7 l 2 0 0 Manufacturer Rotork Sweden Original type RC 10M 6 4 61 22M 25M 35968 6A4NG243 6 Ni A 4E6H69EHDE6DG7 624 B GB va lant i pil E aW IS i cn ae p ie a Po is A ea AAAS NANANA Y r mamn amO EPEE A N rm cr vn Ennn CUE iene nv ree i WAnt i ty HAHAHAH RARAN KUNNI Ls rf Lif Nelda tdi E Tahiti QUAL YEU Li D springs only in SR execution Otherwise the drawing shows a DA actuator in open position NA A Material Table for RC210 280 M1 PartNo Description Number Material Surface treatment 10M_ PistonMm_ Aluminium o O 22M SpringguideM 1 Aluminium 41 _ Needle roller bearing RC250 280 1_ Ballbearingsteel 420 Orin ft Ne S S o 43 Needle roller bearing RC250 280 1 Ball bearing stee 43 Slide bearing RC210 240 1 Bronze S E H outseang l ersi Zepa _ 45 Key o Stel S po feo Re RC280 Steel a coated 47 Setscrew 1 Stainesssteel 48 Orin 1 Nie i fas aa eea 50 Protecting tube 51A __ Stem DA right threaded 2 Steel 51B __ Stem SR left threaded 1 Stee o i ooo a Locking hook Sele steel a tredo seaing gt ie stest zine pate 35 e RC210 260 Oo stainess seat 56 _ Screw R
10. justable open valve position counter clockwise end of travel The possibility to turn the pistons can be used in several ways in order to suit the actuators to the customer s requirements WARNING RC actuators must only be used as actuators on valves Levers racks and similar cannot be used to transmit movement without protective equipment Pinch risk in the valve opening when test trimming non installed valves AXEL LARSSON X Manufacturer Rotork Sweden Original type RC Manual Operation WARNING It is very risky to try to operate the actuator manually by using the key grip on the driving shaft The accumulated energy inside the actuator may instantaneously be set free The actuator can be equipped with handwheel for manual operation RC M1 Other methods on request WARNING All manual operations must be carried out with a vented actuator Installation and Adjustment All types of actuators can be mounted in various positions e y vertical or horizontal When mounting on a valve ensure that the actuator shaft and the valve stem are centered and that a play of 0 5 1 mm exists between shaft and driving bush depending on actuator size Ensure especially that actuator and driving bush are mounted correctly in relation to eachother considering that the actuator shaft has an octagonal hole and that a faulty mounting of 45 is possible This naturally also applies to direct mounting on a valve The g
11. orni ower 1 1 Polymer matera x 3 or Guiderng 1 1 Poymer material forman tte oo 25 Suppor washer ower 1 1 Polymer material chemicaly resistent ao Retaining rng ower 1 1 Spmngstest Corosion protected 1 For actuator sizes 220 240 260 and 280 The double amount of details 2 RC240 has triple roll pins 3 RC270 280 have a slotted pin in steel 4 Not in the picture Do not exist for sizes 220 240 260 and 280 5 Only for sizes 270 and 280 not in the picture 6 Included in seal kit mi pe I 5 400B_UK 3 Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL Pneumatic actuator AL 77 200 Converting to SR Actuators All DA actuators can be changed into SR actuators by adding spring conversion kits according to the following instruction 1 Please read the warning on page 2 2 Dismantle the end plates The description is for RC220 240 260 and 280 which have two pistons 3 Dismantle the pistons See text under Exchange of piston sealings and support elements 4 Mount the pistons according to figure 1 on page 2 5 Check that the spring is correctly pre tensioned according to table 1 and figure 2 6 The spring guide 22 is centered towards the piston with the aid of 2 pins 7 The SR units on sizes 230 280 must be turned so that one of the three support points lies between the bosses on the piston 10 8 Mount the SR unit when the pistons are in their
12. pplier WARNING The procedure below must be followed for safe dismantling of pretensioned spring housings 1 The actuator must be pressureless 2 Check that the springs can press the piston into starting position according to figure 5 3 Disconnect all possible power supply 4 Loosen the lock nuts 29 5 Turn both spring tensioning screws 26 clockwise until they lies lightly against the spring guides 22 6 Turn the left spring tensioning screw 26 anti clockwise until it lies lightly against the spring guide 22 and dismantle the left spring housing by loosening the screws 4 7 Dismantle the right spring housing in the same manner as the left one 8 Dismantling must be carried out with the utmost care In the case of the slightest uncertainty contact the supplier Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL P neum ati C act u ato r A L 7 l 2 0 0 Manufacturer Rotork Sweden Original type RC Tightening Torques for Screws and Lock Nuts Tightening Torques The actuators must be screwed onto the console with the correct tightening torque in order x RC250 260 17 9 3 1 Tightening torque with Stainless steel screw A2 70 quality Please use as long screws as possible without the threads grounding E L is the screw length according to drawing Resistance class min 8 8 Lightly oiled screws Tightening Torques in Nm an eae flange mm 8 10 12 J14 16
13. uide ring 37 can be dismantled when not in use After mounting it may be necessary to adjust the turning angle of the actuator Tightening torques for lock nuts on page 6 As mentioned previously the DA actuators can as stand ard be adjusted in closed valve position and the SR actuators in open position The adjustment occurs by loosening the lock nut on the end plate after which the set screw is turned clockwise for reduced and anti clockwise for increased rotary motion The adjustment degree is 3 RC220 240 260 and 280 have two adjustment screws It is important that both screws are in contact with the piston in question The actuator is supplied with an indicator on the driving shaft The indicator can be mounted in 2 optional positions for different valve functions mounting directions etc 5 400B_UK Ref 5 400B_UK 04 2012 www axel larsson se USER MANUAL Pneumatic actuator AL 77 200 Manufacturer Rotork Sweden Original type RC Dwg 007469 Service of RC210 280 WARNING Before dismantling check that the compressed air and possible power supply are disconnected Dismantling of SR unit see instruction on page 5 Dismantling of SR unit with manual operation unit type M1 see instruction on page 4 Exchange of Piston Sealings and Exchange of Shaft Sealings and Support Washers The O rings 18 and 38 and the support washers 33 and 39 can easily
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