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Summary of Contents for Wright Flow Technologies RTPe Series

Page 1: ...INSTALLATION OPERATION AND MAINTENANCE MANUAL FOR THE RANGE OF PUMPS...

Page 2: ...3 2 CLEANING IN PLACE 15 3 4 START UP PROCEDURE 16 3 5 SHUTDOWN PROCEDURE 17 3 6 ROUTINE MAINTENANCE NON ATEX UNITS 17 3 6 1 ADDITIONAL ROUTINE MAINTENANCE ATEX UNITS 18 3 7 INTEGRAL PRESSURE RELIEF...

Page 3: ...3 LUBRICANTS 37 5 4 TOOL LIST 37 5 5 1 RTPE20 FOUNDATION DIMENSIONS BASIC PUMP METRIC 1 FEMALE DRIVE 38 5 5 2 RTPE20 FOUNDATION DIMENSIONS BASIC PUMP INCH 1 FEMALE DRIVE 39 5 6 TYPICAL BASIC PUMP BUI...

Page 4: ...d without confirming its suitability for the new duty Running the pump outside of its operations envelope can cause mechanical contact excessive heat and can represent a serious risk to health and saf...

Page 5: ...and that all valves in the suction and discharge pipelines are fully opened Ensure that all piping connecting to the pump is fully supported and correctly aligned with its relevant connections Misali...

Page 6: ...inally supplied with this pump will be invalidated by the use of non genuine Service Parts DO NOT loosen or undo the front cover any connections to the pump shaft seal housings temperature control dev...

Page 7: ...the use of Wright Flow Technologies Limited RTPeTM rotary lobe pumps Note For a feature to be suitable for an application The feature must be fit for its designated purpose and also suitable for the e...

Page 8: ...was selected Wright Flow Technologies Limited or their authorised distributor should be consulted to ensure the pump is suitable for the new application 2 2 Wright Flow Technologies Limited Distribut...

Page 9: ...ded that the exterior of the pump be cleaned periodically 2 5 Pump Model Designation Fig 1 Designation of pump models This information together with the pump serial number should be provided when requ...

Page 10: ...the Atex certification Pumps that have the Atex certification will have an earthing point on the front cover this needs to be electrically earthed before use The service and maintenance intervals are...

Page 11: ...rding your RTPeTM rotary lobe pump contact Wright Flow Technologies Limited or your Wright Flow Technologies Limited distributor providing the pump model and serial number as stated on the pump namepl...

Page 12: ...the energy from the drive shaft to the driven shaft synchronising the rotors such that they rotate without contact with each other As the rotors pass the suction port A the cavity increases creating a...

Page 13: ...pplication The pump should not be subjected to sudden temperature changes to avoid the risk of damage from sudden expansion contraction of components Care should be taken when selecting pumps for hand...

Page 14: ...imiting device in the drive system It is recommended that all piping and associated equipment from the tank to the discharge point is thoroughly cleaned before installation of the pump to avoid the po...

Page 15: ...tions to determine system NPSHa are carried out for the worst condition see below Should advise on pump or system NPSH characteristics be required then contact the factory or their authorised distribu...

Page 16: ...o eliminate the risk of explosion Baseplates must be secured to a flat level surface such that distortion and misalignment are avoided Once baseplates are fastened in position the drive alignment must...

Page 17: ...set the relief valve lower than the system design pressure On completion of start up the relief valve should be reset to the required setting for the application The required setting should never exce...

Page 18: ...mover power source has been isolated Pump head and piping have been drained and purged 3 6 Routine Maintenance Non Atex units Grease Check for any signs of lubricant leakage Low maintenance gearbox fa...

Page 19: ...tion 5 3 After 14000 hours of use the pump will need a general overhaul and it will need to be re certified for use within the Atex environment A general overhaul must include a full disassembly of al...

Page 20: ...as continuous operation of the pump with the valve open is not recommended and may cause severe damage to the pump If the pump on which the valve is installed is to be installed in either a pressurise...

Page 21: ...SPRING 110 SCREW 112 VALVE HEAD 116 O RING 126 SPACER 130 DOWEL DANGER Under no circumstances should any attempt be made to dismantle a pressure relief valve which has not had the spring pressure rel...

Page 22: ...installing new O rings and lip seals When removing and replacing lip seals ensure that the location bore for the outside diameter and the seat for the back of the lip seal is not damaged as this may c...

Page 23: ...using lever slots where necessary continue and remove the front cover O ring 39 from front cover 38 Remove rotor retainer s 35 using the Rotor Locking tool supplied Note A 24mm Combination spanner soc...

Page 24: ...and that the product seals have been removed see section 4 3 Fig 10 Remove drain plug 81 Remove retaining screws 74 and remove the endplate 70 from the gearbox 16 utilising the retaining screws 74 in...

Page 25: ...es will be complete with gears 14 and bearings 24 and 19 see fig 12 Remove Gamma Seal 62 Disassemble gearbox 16 from rotorcase 40 by removing the retaining screw 7 Utilising the retaining screws 7 in...

Page 26: ...itions Remove the timing gear screws 23 Remove the timing gear 14 and locating dowel 80 using jacking points Remove O rings 26 from the rear of the shaft 9 or 10 Remove front bearing assembly 24 Note...

Page 27: ...n set The lips may give a false rolling torque reading as well as increasing the risk of damage during assembly Install rotorcase 40 to the gearbox 16 and secure using cap screws 7 If not already inst...

Page 28: ...mended that the screws be aligned at the centre of the slots provided to give an equal amount of adjustment in either direction They should also not be tightened to the correct torque at this point as...

Page 29: ...tically uppermost position See Fig 15 Fig 15 Aligning the missing splines Assemble the rotors 41 rotor retainers 35 and O rings 34 onto the shafts 9 and 10 To achieve the correct timing clearance rota...

Page 30: ...t assemblies from the gearbox 16 Using the holes provided drill and ream both gear 14 and shaft 9 and 10 to suit 6 0 mm dowel 80 as shown in Fig 17 It is important to drill and ream the hole so that t...

Page 31: ...the gearbox and the screws 7 disassemble the gearbox assembly from the rotorcase assembly see fig 12 The lip seals 17 can be installed inside the gearbox 16 and the slinger disc 62 where applicable re...

Page 32: ...lip seals Ensure that all seal component fitting bores and housings are thoroughly cleaned before installation The seal faces and seats must be handled with care and cleaned thoroughly before installa...

Page 33: ...ing seal sleeve in the rotor are now ready for inspection and replacement if needed Fig 18 During inspection of the sleeve do not remove the black film of PTFE on the sleeve This is part of the compos...

Page 34: ...then place seal spacer ensuring the slot and pin are in line Fit composite O ring to the liner and use lubricate on the outside O ring then install Composite seal into seal bore ensuring the seal is p...

Page 35: ...ic seal face pushing on the rear of the static seal and inspect or replace the O rings as required using the seal extractor tool Install the static pin using Loctite 648 when installing the static fac...

Page 36: ...Page 35 5 0 Specifications 5 1 Clearance Chart...

Page 37: ...Page 36 5 2 Fasteners Torque Settings Notes 1 See product seal section 4 3 where applicable 2 For position of items see section 5 6 typical basic pump build...

Page 38: ...50 Cst at 40 C 104 F 5 4 Tool List Listed below are tools required for the maintenance of the RTPeTM pump RTPe20 TYPE SIZE OR RANGE HEXAGON ALLEN KEY 5 MM HEXAGON ALLEN KEY 8 MM COMBINATION SPANNER 19...

Page 39: ...Page 38 5 5 1 RTPe20 Foundation Dimensions Basic Pump Metric 1 Female Drive Pump Weight 58kg These dimensions are for guidance only Certified drawings are available on request...

Page 40: ...Page 39 5 5 2 RTPe20 Foundation Dimensions Basic Pump Inch 1 Female Drive These dimensions are for guidance only Certified drawings are available on request Pump Weight 128Ibs...

Page 41: ...Page 40 5 6 Typical Basic Pump Build RTPe20 Shown...

Page 42: ...Page 41 5 7 Trouble Shooting...

Page 43: ...ION LINE PUMP CHAMBER INSUFFICIENT STATIC SUCTION HEAD RAISE PRODUCT LEVEL TO INCREASE STATIC SUCTION HEAD PRODUCT VISCOSITY TOO HIGH DECREASE PUMP SPEED INCREASE PRODUCT TEMPERATURE PRODUCT VISCOSITY...

Page 44: ...Page 43 5 8 RTPeTM Service History Pump Serial No Date Comments...

Page 45: ...Page 44 5 9 Notes The information contained in this document is correct at time of print but may be subject to change without prior notice The latest updated copies are available from our website...

Page 46: ...T United Kingdom Phone 44 1323 509211 Fax 44 1323 507306 E mail wright eu idexcorp com Wright Flow Technologies Inc 406 State Street Cedar Falls Iowa 50613 U S A Phone 319 268 8013 Fax 803 216 7686 E...

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