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Service Manual - Progressing Cavity Pumps

1. 605 609 613 611 632 631 612 303 302 301 603 604 503 607 608 501 204 606 207 203 202 201 119 601 602 139 i J Part toa SAD a A TET i punches BERS ASTIN io sents COQ j R 5 g SER ARES So 74nn Part 304 HN z ns 1 38383230309 n A eA RRA KSS unched once RRA OG PARR RRR RRR p x Sa Pa SROeORO ee Cj 1 OO to secure at Se 101 YS SSN 16 i E 103 i for stoti an box housing 131 LU 132 504 612 402 633 402 401 512 513 305 306502 503 304 308 307 508 506 eating Cooling jacket 114 12 113 104 127 to 7 102 509 507 525 7 6 Sectional drawing for series AE2H AE4H ID type of construction 605 609 613 611 613 303 302 301 603 604 505 607 608 501 204 606 207 203 202 201 RR gali z 119 601 602 139 r Part 101 x punched ZA twice R to secure 1 NA INN DPEN s ALOT e X RARE wa Part 304 Hae gt KEX KROL punched once RERE EE RRR to secure a 101 16 A Epa EE m AN A 103 for suction RY for stuffing 131 casing box housing N D 132 Heating Cooling jacket 504 612 401 402 512 513 612 305 306502 503 304 308 307 508 506 i g1 114 112 113 104 127 110 107 102 509 507 525 21 ALLWEILER S
2. 631 612 SSS SSSR Yon RINY AN Stator with uniform rubber wall thickness ESESR LRS LLS KEES x S335 gt SOOO X I KRZR h NSS MEA LEE Dy BEER RRR KER REET ARRESTS LLLA SEER AAS SAS 402 Stator with uniform rubber wall thickness 22 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction ALLWEILER Li Sectional drawing Shaft seals 207 201 203 202 204 207 201 202 207 209 201 202 PO2 Stuffing box with flushing ring PO3 Stuffing box with internal PO4 Stuffing box with external sealing chamber ring sealing chamber ring 212 213 212 213 236 235 220 234 214 TL Ae 219 PrP i 218 220 251 GOK and GON mechanical seal GOS and GOT mechanical seal GOQ mechanical seal single single acting single acting with throttling acting with quench ring 220 219 218 ISSN aed 215 214 245 220 GOD mechanical seal double acting 23 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 8 Operating troubles Causes and remedial action ALLWEILER E No Operating troubles Causes and remedial action Pump Pump Deli
3. Figure 10 Pressing in of the joint bush Push joint clamps 306 joint collars 808 and joint sleeve 304 onto the shank of the joint shaft 307 Push joint shaft 307 into the head of the rotor 401 Push joint bolt 801 into the joint bush 802 and completely drive in bushes for the joint bolt 803 Polish joint sleeve 804 at the outside diameter if necessary with emery and mount on the head of the rotor 401 Following mounting of the joint sleeve 804 secure same against axial displacement on the head of the rotor 401 For these purposes drive face of the ATTENTION joint sleeve 804 into the groove at the head of the rotor 401 by means of a center punch blow please refer to Figure 11 below Center punch Figure 11 Securing the joint sleeve Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction By means of a screw driver mount joint collar 308 lift top by means of a screw driver run spray pipe of the oil bottle under the collar and fill joint chamber with Allweiler special joint oil Type B or oil ET 1510 ISO 460 of Messrs Tribol Lubricants GmbH M n chengladbach Germany When used for foodstuffs fill with ALLWEILER special joint oil Type BL or oil 1810 460 of Tribol Lubricants GmbH Mo nchenglad bach Germany For the filling quantity please refer to the table Section 7 1 2 6 above Check whether bent loop of the joint clamp 806 rests against the jo
4. collar outside and fits tight aged sheared Figure 14 Clamping of joint clamps Check whether on the entire circumference of the joint collar 808 the joint clamp 806 lies in the col lar slot Slowly turn clamping tool upwards through approx 60 until the shearing hook grips behind the joint clamp lock please refer to Figure 15 below Tighten pressure screws by hand until the joint clamp is firmly clamped 306 Pressure bolt Shearing hook Figure 15 Shearing of the joint clamp By means of a spanner or ratchet turn pressure screw clockwise until the joint clamp is sheared If the joint clamp is slightly lifted on ATTENTION the sheared side this must be com pensated for by careful alignment Hammering or beating against the joint clamp lock is not permitted as otherwise there may be a danger of collar damage Note In case of joint clamps of Hastelloy material shearing with the clamping tool is not possible After bending at the joint clamp lock the joint clamp must be sheared by means of sheet metal shears and the cutting edges deburred please refer to Figure 16 below 17 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Clamping with clamping tool Pok It II When using clamping tool Pok It II bend joint clamp 306 after clamping at the joint clamp lock by swing ing the clamping tool so that the clamp cannot glide back through the lock After bend
5. high adhesion between rotor and stator in new condi tion boosting is possible by means of an appropriate tool within the key area of the driving shaft During this process the driving shaft ATTENTION must not be damaged Control of the sense of rotation The normal sense of pump rotation as viewed from the drive against the driving shaft is counterclockwise With this type the suction connection is on the shaft sealing side so that the shaft seal is relieved In particular cases such as during suction from a vacuum or when handling fluids which cannot bear any gas inclusions the pump is right handed Suction and outlet side are thus inter changed The sense of pump rotation must corre ATTENTION spond to the directional marker n in the pump type plate Wrong sense of rotation may result in damages to the pump For the control of the sense of rotation the motor on off switch is to be touched only briefly Starting Start up Prior to start up all stop valves on the suction and out let side are to be opened Drive Switch motor in Consider product specific particulari ATTENTION ties of the drive Please refer to the operating instructions of the drive manufacturer Checking the delivery values After the drive has reached its operating speed the inlet pressure and the pump outlet pressure must be checked via vacuummeter and manometer The motor must not be overloaded The power con sumption can be checked by m
6. 0 2045 966 60 Fax 49 0 2045 966 679 E mail service ge allweiler de Internet http www allweiler com Bahnstation 45127 Essen VM 760 0002 GB 03 00 Ident No 150 500
7. 6 Mounting the stator 18 Push O ring 513 and reducer flange 513 if available into inlet housing 505 Prior to bending up coat stator 402 and rotor 401 with a sliding compound silicon oil Polydiol soft soap or the like ATTENTION Do not use normal oil Incase of stators of plastic material or metal insert stator gaskets 403 and 404 Note In case of stators of plastic material the stator gasket 403 with O ring must always be on the out let side 7 3 ALLWEILER For multi component stators 402 with a centering bore and centering groove for support 612 assem ble stator 402 pointing towards the rotor 401 Note In case of stiffness simultaneously turn stator 402 by means of chain tongs For these purposes fix driving shaft 118 For multi component stators rotate stators 402 until the fixing piece 631 projects into the groove and or the bore of the stators 402 Push support 612 if provided onto the clamp bolts 611 Screw up pressure casing 504 push support 612 if provided stator 402 and suction casing 505 with the clamp bolts 611 and hexagon nuts 609 In doing so uniformly tighten hexagon screws Tighten hexagon nuts 613 Spare parts replacement parts In the following sectional drawings with parts list all pumps mentioned are represented with the various shaft seal and bearing designs The parts marked in the parts list ca
8. are the rotating eccentric screw rotor and the fixed stator Both meet in the cross section at two points series AE1E AE2E AE1N AE2N AE H resp three points series AED1E AED2N regar ded over the length of the conveying elements and form two series AE1E AE2E AE1N AE2N AE H resp three series AED1E AED2N sealing lines The contents of the tight chambers formed as the rotor rotates are shifted axially and completely continuously from the suction to Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 4 3 4 3 1 4 3 2 4 3 3 5 2 5 3 5 4 5 5 the outlet side of the pump There is no turbulence despite the rotor rotation The constant chamber volume excludes squeezing thus ensuring an extremely gentle lowpulsation delivery Aggregate construction Drive By non explosion proof or explosion proof electric mo tors geared motors or variable speed geared motors Other driving variants e g via V belt are possible Shaft coupling and protection against accidental con tact Shaft coupling according to DIN 740 A protection against accidental contact according to DIN 24 295 is attached as soon as the scope of supply comprises pump base plate shaft coupling and drive According to the rules for the prevention of accidents the pump must be started only with a protection against accidental contact according to DIN 24 295 If a protection against accidental contact is not sup pl
9. flush with the coupling hub If no mounting device is available heating of the coupling halves to approx 100 C without rubber buffers facilitates mounting A 5 6 5 7 5 8 5 8 1 5 8 2 5 8 3 5 9 ALLWEILER 3 By means of a hexagon socket with cup point accor ding to DIN 916 axially fix the coupling halves 4 When assembling pump and motor geared motor and or variable speed gear see to it that the coup ling halves are exactly aligned Depending upon the coupling size the distance between the coupling halves must be between 2 and 8 mm Mount protection against accidental contact according to DIN 24 295 Drive by V belt drive In case of a V belt reduction from drive to pump make sure that the two V belt pulleys are aligned in parallel The V belt pulleys must be pushed onto the shaft ends as far as possible It must be possible to regulate the tension of the V belts by means of a motor rocker or by means of tensioning rails They must be slightly retight ened after a short running in period Excessive tensioning will destroy the ATTENTION rolling bearings of the pump Our sepa rate instructions V belt drive VM 706 0001E Ident No 133 586 must be complied with Space required for maintenance and servicing The pump aggregate must be accessi ATTENTION ble from all sides allowing necessary visual inspections to be performed For maintenance and service operations sufficient space is to be provide
10. seal cover 215 1 O ring 218 R 1 Mechanical seal 219 R 1 Locking pin 220 il Shaft seal ring 232 R 1 Throttling ring 234 R 1 O ring 235 R 1 Locking pin 236 R 2 Hexagon screw 245 3 Sealing compound 251 1 Joint bolt 301 R r 2 Joint bush 302 R r 2 Bush for joint bolt 303 R r 4 Joint sleeve 304 R r 2 Joint oil 305 R r Joint clamp 306 R r 4 Joint shaft 307 R r 1 Joint collar 308 R r 2 Rotor 401 R r 1 Stator 402 R r 1 Stator gasket outlet side 403 R r 1 Stator gasket suction side 404 R r 1 Gasket for suction casing 501 R r 1 Screw plug 502 1 Sealing tape 503 1 Pressure casing 504 1 Suction casing 505 1 Suction casing cover 506 2 Gasket 507 R 2 Stud bolt 508 8 Hexagon nut 509 8 Reducer flange 512 1 O ring 513 1 Washer 525 8 Type plate 601 1 Round head grooved pin 602 4 Information plate Commissioning 603 1 Information plate Suction 604 1 Information plate Pressure 605 1 Hexagon screw 606 4 Hexagon nut 607 4 Fan type lock washer 608 4 Hexagon nut 609 4 Washer 610 4 Clamp bolt 611 4 Support 612 1 Hexagon screw 613 2 Fixing piece 631 2 Hexagon nut 632 2 Spacer 633 4 Recommended spare parts R large repair set r small repair set 2 pieces with AE1E 1450 2700 5000 9500 AED 1E 2300 4250 7800 15500 AE1N 750 1450 2700 5000 AE2N 750 1450 AED2N 1200 2300 4250 7800 AE H 380 750 1450 2700 see table on page 10 2 pieces with shaft seal types G D 19 ALLWEILER 7 4 Sectional drawing with list o
11. 236 out of the mechanical seal cover 215 In case of design with shaft sleeve withdraw shaft sleeve 206 and O ring 115 from the driving shaft 118 ALLWEILER Dismounting the mechanical seal double acting Remove hexagon screws 245 Withdraw mechanical seal housing 214 with atmos phere side stationary seal ring 219 from the driving shaft Note Particularly see to it that the casing with sta tionary seal ring is withdrawn concentrically and not canted to avoid damages to the stationary seal ring Withdraw O ring 218 Loosen hexagon sockets with cup points in the rota ting part of the mechanical seal 219 and withdraw mechanical seal from the driving shaft 118 Prior to loosening the hexagon ATTENTION sockets with cup points mark and or measure position of the mechanical seal on the shaft sleeve or driving shaft Do not push O rings over the screw pressure mark Withdraw mechanical seal cover 215 with product side stationary seal ring 219 from the driving shaft 118 Note Particularly see to it that the mechanical seal cover with stationary seal ring is withdrawn concen trically and not canted to avoid damages to the sta tionary seal ring Press stationary seal rings and O rings out of the mechanical seal housing 214 and mechanical seal cover 215 See to uniform pressure distribution Remove locking pins 220 and 236 In case of design with shaft sleeve w
12. ALLWEILER Operating and Maintenance Instructions with Dismounting and Mounting Instructions Eccentric Screw Pumps Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Operating data of the pump according to order data sheet Order No Ident No of pump Machine No Pump type Table of Contents 5 8 1 Nominal widths 1 General 1 1 Application and range of utilization 5 9 1 2 Performance data 1 3 Abbreviation 1 4 Warranty 1 5 Testing 2 Safety 2 1 Marking of remarks in the operating instructions Q 2 2 Personnel qualification and personnel training 2 3 Dangers in case of non compliance with the safety hints 2 4 Responsible working 2 5 Safety hints for the user operator 2 6 Safety hints for maintenance inspection and mount ing operations 2 7 Independent reconstruction and spare parts con struction 2 8 Inadmissible modes of operation 6 2 3 Transportation and intermediate storage 3 1 Packing 3 2 Transportation 6 3 3 3 Preservation and storage of eccentric screw pumps 4 Description 4 1 4 2 5 Installation mounting 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 Structural design 4 1 1 Bearing and lubrication 4 1 2 Shaft seal 4 1 3 Dimensions branch positions flanges Mode of operation Aggregate construction 43 1 Drive 4 3 2 Shaft coupling and protection against acci dental contact Base plate 7 1 4 3 3 7 2 Installation Foundation Base plate Coupling Assembly of pump
13. E H 380 750 1450 2700 The two bearings are to be pressed into the bearing bracket 110 in O type arrangement and adjusted over shim rings 129 without clearance refer to Fig 7 below ALLWEILER AAN HA sll NANG Al 104 129 Figure 7 Two single row angular contact ball bearings with shim rings Insert circlip 127 in the bearing bracket 110 in front of the ball bearing 104 and or in front of the shim rings 129 Insert spacer sleeve 102 in the bearing bracket 110 Fill space between bearing bracket 110 and spacer sleeve 102 up to approx 90 with rolling bearing grease For rolling bearing greases recommended by us please refer to Section 7 1 2 2 above Filling quantity see table under Section 7 1 2 6 By means of a suitable pipe length press greased groove ball bearing 103 from the driving side over the outer bearing ring into the bearing bracket 110 Slightly oil bearing seat surface previously In case of pumps of horizontal instal ATTENTION lation the sealing washer inserted in the groove ball bearing must point to the driving side Pumps of vertical installation with bearing upwards have groove ball bearings with two sealing washers Insert spacer ring 113 from the pump side in the bearing bracket 110 See to it that the installation must be ATTENTION effected before the shaft seal ring is pressed in Fill space of the shaft sealing rin
14. Withdraw coupling half and or belt pulley and remove key 101 Screw out hexagon nuts 139 and remove bearing cover 131 with gasket 132 ALLWEILER Unscrew bearing nut 116 from the driving shaft 118 Press driving shaft 118 with attached rotor 401 attached joint shaft 807 and mounted shaft seal out of the bearing bracket 110 For these purposes apply pressing device at the bearing bracket 110 please refer to Figure 5 below Note Guide sleeve and forcing cover serve as mounting aid and can be obtained from us 110 118 Forcing cover Detaching device Figure 5 Pressing out of the driving shaft Withdraw thrower 114 from the driving shaft 118 Dismounting the stuffing box Remove self locking hexagon nut 202 and take off gland halves 203 Withdraw shaft sealing housing 204 from the driving shaft 118 Remove stuffing box packing 207 in case of design P02 P12 including flushing ring 208 and in case of design PO3 P13 and P04 P14 including sealing chamber ring 209 from the shaft sealing housing 204 In case of design with shaft sleeve withdraw shaft sleeve 206 and O ring 115 from the driving shaft 118 Dismounting the mechanical seal single acting Withdraw mechanical seal housing 214 with atmos phere side stationary seal ring 219 from the driving shaft Note Particularly see to it that the casing with sta tionary s
15. a cavi tation hazard 12 o Check longitudinal play of joint bolts joint bush perhaps improperly mounted 13 e o e o e Check whether foreign bodies in pump Disas semble pump remove foreign bodies replace defective parts 14 e o e o Stator and rotor worn disassemble pump replace defective parts 15 e e e e 16 o e e e Joint parts f g and or driving shaft or shaft sleeve b c worn Disassemble pump replace defective parts Suction pipeline completely or partly clogged 17 e o o e e Check temperature of fluid pumped stator expansion too great stator seized on rotor stator perhaps burnt or swollen 18 e o e o Stuffing box packing Replace unserviceable rings b c k slacken gland a h tighten gland b c k 19 o e o o Solids content and or grain size too great reduce speed Install strainer with admissible mesh size in front of pump 20 e o o e Solids settle during pump standstill and harden Flush pump immediately disassemble and clean if necessary 21 e o e e e Medium hardens if a certain temperature limit is fallen below heat pump 22 e e Align coupling or belt pulleys exactly Subject to technical alterations ALLWEILER A Member of the COLFAX PUMP GROUP ALLWEILER AG Werk Bottrop Postfach 200123 46223 Bottrop Kirchhellener Ring 77 79 46244 Bottrop Germany Tel 49
16. and drive Drive by V belt drive Space required for maintenance and servicing Laying of pipelines 5 8 2 Supports and flange connections 5 8 3 Cleaning of pipelines prior to attachment Laying of auxiliary pipelines for additional facilities 5 10 Safety and control facilities 5 10 1 Mano vacuummeter 5 10 2 Safety element in the pressure pipeline 5 11 Electric connections 6 Starting stopping Preparation for starting 6 1 1 Filling the pump with fluid 6 1 2 Switching in the additional facilities for shaft seals if provided Quality and properties of the flushing block ing and quenching liquid Switching in the additional facility for heating or cooling the shaft sealing housing and or the suction casing double shell casing Break away of the pump 6 1 3 6 1 4 6 1 5 6 1 6 Control of the sense of rotation Starting 6 2 1 Start up 6 2 2 Drive 6 2 3 Checking the delivery values 6 2 4 Protection against dry running Stopping 6 3 1 Shut down 6 3 2 Measures in case of prolonged interruption 7 Maintenance service Maintenance 7 1 1 General control 7 1 2 Maintenance of components 7 1 2 1 Joints of the joint shaft 7 1 2 2 Bearing of the driving shaft and lubrication of the bearing 7 1 2 3 Shaft seal 7 1 2 4 V belt drive 7 1 2 5 Driving motors and control gears 7 1 2 6 Packing ring dimensions to Section 7 1 2 3 lubricant quantities for joints to Section 7 1 2 1 Servicing Dismounting and Moun
17. ans be observed and maintained in com pletely legible condition Personnel qualification and personnel training The personnel for operation maintenance inspection and mounting must have the corresponding qualifica tion for these operations Range of liability competence and the supervision of the personnel must be exactly regulated by the operator If the personnel do not have the required knowledge same must be trained and instructed If required this may be effected by the manufacturer supplier on behalf of the machine opera tor In addition it must be ensured by the operator that the contents of the operating instructions are fully understood by the personnel 3 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 2 3 2 4 2 5 2 6 2 7 2 8 Dangers in case of non compliance with the safety hints Non compliance with the safety hints may result in both danger to persons as well as environment and machine Non compliance with the safety hints may lead to the loss of any claims for damages In detail non compliance may for example entail the following dangers Failure of important functions of the machine plant Failure of specified methods for maintenance and servicing Danger to persons by electrical mechanical and chemical influences Danger to the environment by leakage of dangerous substances Responsible working The safety hints mentioned in these operat
18. cted parts and the consistency with the medium to be sealed The fluid must be free from solids must not tend to sedimenta tions should have the highest possible boiling point as well as a good heat conductivity and low viscosity Clean water of low hardness meets these demands to a high degree Switching in the additional facility for heating or cool ing the shaft sealing housing and or the suction casing double shell casing If the pumps are equipped with this additional facility any and all stopping devices for heating or cooling systems must be opened The below mentioned pres sure and temperature limits must be observed Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction A 6 2 6 2 1 6 2 2 6 2 3 6 2 4 Supply of the cooled or heated shaft sealing hous ing and or suction casing double shell casing with appropriate liquid medium Only liquid media may be used as heating or cooling liquid in consideration of the corrosion resistance of all contacted parts The maximum heating or cooling liquid pressure is 6 bar The maximum heating temperature must not exceed 150 C and the cooling temperature not be fallen below 40 C Note For the design temperature please refer to the order data sheet Break away of the pump In case of any new start or after an extended standstill make sure that the pump is easily raced by the prime mover If this is not easily possible e g because of the
19. d especially for the replacement of the conveying elements Stator and rotor dismount ing dimensions are given in the pump and or pump aggregate table of dimensions In addition see to it that all pipelines can be mounted and dismounted without any difficulties Laying of pipelines Nominal widths The nominal widths of the suction and pressure pipe lines should be designed according to the nominal pump branch widths For coarse deviations especially on the suction side kindly contact the works Supports and flange connections By way of the flange connections the pipelines must be connected to the pump stress free They must be sup ported close to the pump and should allow of easy screwing to avoid deformations After the screws have been slackened the flanges must neither be inclined nor springy nor rest on top of one another under pres sure Any thermal stresses that may occur at the pipe lines must be kept away from the pump by taking appro priate measures e g by the installation of compen sators Cleaning of pipelines prior to attachment Prior to mounting the pump the suction side pipelines gate valves and valves must by all means be flushed and or cleaned Mounting residues such as screws nuts welding beads steel parts etc will destroy the pump internals Any claims under the warranty expire as soon as damages are caused by such residues Laying of auxiliary pipelines for additional facilities All auxilia
20. e pump aggregate so that when being lifted they are in exact balance The crane installation and the sling ropes must be suffi ciently sized The sling ropes must not be fastened at the suspension eyes of the motor Preservation and storage of eccentric screw pumps see our specifications VM 2102 Description Structural design Self priming single or two stage eccentric screw pump Rotor and stator are the conveying elements The driv ing torque is transmitted onto the motor via the driving shaft and the joint shaft Pressure casing stator and suction casing are held together by external casing connecting screws clamp bolts The shaft sealing housing and the mechanical seal housing are arranged between suction casing and bear ing bracket Bearing and lubrication Joint shaft with liquid tight encapsulated pin joints on both sides Lubrication by joint oil Bearing of the driving shaft is in the bearing bracket by grease lubricated angular contact and groove ball bear ings The bearings are hose proof Shaft seal By uncooled or cooled stuffing box or by uncooled or cooled maintenance free unbalanced single or double acting mechanical seal Dimensions branch position flanges The dimensions of the pump and or pump aggregate the branch position and flange dimensions are to be taken from the tables of dimensions Mode of operation Self priming rotary positive displacement pump the conveying elements of which
21. eal ring is withdrawn concentrically and not canted to avoid damages to the stationary seal ring Press stationary seal ring and O ring out of the mechanical seal housing 214 See to uniform pressure distribution Drive out locking pin 220 Loosen hexagon sockets with cup points if provided in the rotating part of the mechanical seal 219 and withdraw mechanical seal from the driving shaft 118 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Prior to loosening the hexagon ATTENTION sockets with cup points mark and or measure position of the mechanical seal on the shaft sleeve or driving shaft Do not push O rings over the screw pressure mark In case of design with shaft sleeve withdraw shaft sleeve 206 and O ring 115 from the driving shaft 118 Dismounting the mechanical seal single acting with quench Withdraw mechanical seal housing 214 with atmos phere side stationary seal ring 219 from the driving shaft 118 Note Particularly see to it that the casing with sta tionary seal ring is withdrawn concentrically and not canted to avoid damages to the stationary seal ring Press stationary seal ring and O ring out of the mechanical seal housing 214 See to uniform pressure distribution Drive out locking pin 220 Loosen hexagon sockets with cup points if provided in the rotating part of the mechanical seal 219 and withdraw mechanical seal from the drivi
22. eans of an ammeter In this connection temperature and viscosity of the fluid to be handled must be checked The values read must be checked against the order data sheet and or accept ance report Protection against dry running If no further fluid to be pumped arrives at the suction side the thermal energy generated in the conveying elements of the eccentric screw pump due to dry friction and churning work is no more sufficiently dissipated as a result of which the stator elastomer is thermally destroyed already after a short period of time For the conveying elements to be protected various dry running protection systems are available adapted to the respective operating conditions please contact factory 6 3 6 3 1 6 3 2 7 1 2 ALLWEILER Stopping Shut down Switch motor off Measures in case of prolonged interruption If a prolonged interruption is projected and there is a danger of frost the pump must be drained For these purposes screw screw plug 502 out of the suction casing 505 Thereafter the pump must be preserved please refer to Section 3 3 above Maintenance Service Maintenance For maintenance and service operations the state ments made under Section 2 Safety are to be observed Regular control and maintenance of the pump and drive will extend the service life General control 1 The pump must not run dry 2 The driving motor must not be overloaded 3 Check suction and pressure pi
23. ection 7 1 2 3 Lubricant quantities for joints to Section 7 1 2 1 Pump size 380 750 AE1E 50 100 200 550 4000 1450 2700 5000 9500 AED1E 75 150 300 560 1200 2300 4250 7800 15500 AE2E 50 100 200 380 750 1450 AE1N 25 50 100 200 380 750 1450 2700 5000 Pump AE2N 25 50 100 200 380 750 1450 S size AED2N 38 75 150 300 560 1200 2300 4250 7800 AE1 1H 2700 AE2H 100 200 380 750 1450 AE2 2H 7 100 200 380 750 1450 2700 AE4H 12 25 50 100 200 380 750 1450 Number of packing rings 6 6 6 6 6 6 6 6 6 for design P01 P11 Dimensions of packing 37 B42 G51 G59 G73 G80 g99 Z118 B142 rings for 25x 6 30 x 6 35 x 8 43 x 8 53x10 60x10 75x12 90x14 110x16 cut rings Dimensions of packing 104 2 121 144 5 171 4 211 8 235 3 292 5 349 5 423 6 rings as x6 x6 x8 x8 x 10 x 10 x 12 x14 x 16 blank L x S Oil quantity in cm wes 10 18 37 52 87 169 290 565 885 per joint Grease quantity in grams per 70 135 225 280 530 680 1270 2050 4070 bearing Incase of shaft seal types PO2 P12 PO3 P13 and P04 P14 the number is reduced by 1 piece 10 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 7 2 A 7 2 1 Servicing dismounting and mounting instructions General On request trained service engineers will be at your disposal for mountings and repairs In case of repairs performed by the customer s own p
24. ed flushing liquid pressure is 0 1 up to 0 5 bar above the internal suction casing pressure for flushing liquid please refer to Section 6 1 3 below Supply of the double acting unbalanced mechani cal seal Design GOD G1D Note For maintaining their function these mechani cal seals require a sealing liquid which has to dissi pate the generated frictional heat and to avoid the penetration of the fluid to be pumped into the sealing gap Prior to each start up the circulation ATTENTION of the sealing liquid must be ensred The sealing liquid pressure must be approx 1 5 to 2 bar above the pressure in the suction casing The flow rate must be regulated so that the outlet tem perature of approx 60 C is not exceeded and is at least 30 K below the boiling temperature at operating pressure for sealing liquid please refer to Section 6 1 3 below Supply of the single acting mechanical seal with quench Designs GOQ and G1Q The space between the stationary seal ring and shaft seal ring must be filled with quench liquid Maximum admissible pressure difference between quench liquid pressure and pressure in the suction casing p 0 5 bar Maximum quench liquid pressure 3 bar For the quench liquid please refer to Section 6 1 3 below Quality and properties of the flushing sealing and quench liquid Any liquid may be used as sealing flush ATTENTION ing or quench liquid in consideration of the corrosion resistance of all conta
25. ent must be provided e g by pass line with installed excess pressure valve bursting diaphragm protective motor switch etc Eccentric screw pumps are positive displacement pumps and can theoretically generate an infinitely high pressure With the pressure pipeline closed e g by clogging or by incidental closing of a valve the pressure generated by the pump may reach a multiple of the admissible pressure of the plant This may for example lead to bursting of pipelines which must be absolutely avoided especially for dangerous products handled Thus appropriate safety devices must also be installed in the plant e g pressure switches Electric connections Clamping of the power supply cables of the coupled driving motor is to be effected by an electrical expert according to the switching diagram of the motor manu facturer In doing so the current VDE regulations and the regulations of the local energy and supply associa tions are to be observed Danger by electrical energy must be excluded Starting Stopping Preparation for starting Filling the pump with fluid ATTENTION The pump must not run dry For initial start up and after prolonged standstills the pump must be filled with fluid Already a few rotations without fluid may damage the stator Therefore prior to starting the suction casing must be filled with water or fluid to be handled to lubri cate stator and rotor After an extended standstill i e if it must be a
26. er sonnel or our trained mechanics it must be ensured that the pump is completely empty and clean This applies in particular to pumps which in case of repair are sent to our factory or to one of our contrac tual repair shops In protection of our staff and for reasons of environmen tal protection we have to refuse to accept for repair any pumps filled with fluid pumped Otherwise we will have to charge the customer operator with the costs for an ecologically acceptable waste disposal In case of repair of pumps operated with dangerous materials and or fluids harmful to the environment the customer operator must advise hereof his own and or our local mounting personnel or in case of return our factory and or contractual service shop of his own accord In such a case evidence of the fluid handled e g in the form of a DIN safety data sheet will have to be presented to us when requesting a service engineer Dangerous materials are Toxic substances Substances detrimental to health Caustic substances Irritants Explosive materials Fire promoting highly easily and normally inflam mable materials Carcinogenic substances Foetopathic substances Genes changing substances Substances which are dangerous to human beings in any other way When working locally the customer s own and or our mounting personnel must be referred to dangers which may be caused in connection with repairs T
27. f a brass mandrel completely drive bush for joint bolt 803 out of the rotor 401 7 2 1 3 Dismounting the joint shaft and the drive side joint Dismounting of the joint shaft and the drive side joint is effected following the dismounting of the stator 402 and the rotor 401 Please refer to Sections 7 2 1 1 and 7 2 1 2 above Dismount drive side joint as described under Sec tion 7 2 1 2 above Withdraw joint shaft 807 from the driving shaft 118 Press joint bush 302 out of the joint shaft 807 By means of a brass mandrel completely drive bush for joint bolt 803 out of the driving shaft 118 7 2 1 4 Dismounting the shaft seal and driving shaft 12 Note In case of pumps with shaft seal by stuffing box the packing rings can be exchanged without dismount ing the driving shaft as described under Section 7 1 2 3 above Dismounting of the driving shaft is required whe never the pump is equipped with a mechanical seal In case of damages to the driving shaft or shaft sleeve wit hin the area of the shaft seal the pump must also be dismounted as described hereinafter Dismount stator 402 please refer to Section 7 2 1 1 above Remove hexagon nut 607 and fan type lock washer 608 as well as hexagon screw 606 Withdraw suction casing 505 over the rotor 401 In doing so see to that the fine machined rotor is not damaged Remove gasket for suction casing 501
28. f components and recommended spare parts replacement parts for Series AE1E AE2E AE1N AE2N AED1E AED2N 605 504 609 610 611 303 302 301 603 604 505 607 608 501 204 606 207 203 119 601 602 139 LA 401 402 613 612 305 306 502 503 304 308 307 508 506 p ore A FSD 402 Stator with irregular elastomer wall thickness 403 Stator of plastic material 402 y N 404 403 Stator of metal 402 404 PAAT y b gt SA HA LNA a 5 Capea 77 Bata ORA INN Se SSS K 118 tA fe IA 1 rae ALES RS 103 SH ZVoZ ZT A h UA a a FR ee 131 e 4 s7 xX at aS aM 201 202 114 112 113 104 127 110 107 102 132 509 507 525 307 103 132 131 Groove ball bearing in case of vertical installation Winding protection on joint shaft 104 129 Design with two single row angular contact ball bearings Worm on joint shaft 115 206 118 Shaft with shaft sleeve 20 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 7 5 Sectional drawing for series AE1 1H AE2 2H ID type of construction
29. f the pre pressed packing rings and ring cuts or cutting lengths please refer to the table Section 7 1 2 6 below For cutting purposes we recommend the straight cut perpendicular to the shaft In order to achieve a gap free parallel location of the cut ends when clo sing the packing ring the cutting angle should be approx 20 to both cutting ends please refer to Figure 1 below Cut ends Figure 1 Cutting of packing rings Pre pressed packing rings or cut rings must be care fully untwisted axially and radially to such a degree only that they can just be pushed over the shaft Bending up the rings may result in damage by breaking During installation in the packing chamber the packing rings must be carefully re bent into angular shape During this process the kerfs must be set off by 90 By means of the gland each ring must be individually pus hed into the stuffing box chamber with the cut ends foremost Sealing chamber ring or flushing ring must be installed consistently Pointed items must never be used for ATTENTION these purposes as there is a danger of shaft damage and deformation of the packing materials Commissioning of the stuffing box after re packing Prior to commissioning the stuffing box must be only slightly tightened During pump starting 50 to 200 drops in a minute are admissible as seepage quan tity During the starting process of approx 30 minutes a minimum leakage of 2 to 20 drops in a minu
30. f the bear ing The bearing of the driving shaft in the bearing bracket is by regreasable angular contact and groove ball bear ings Note The groove ball bearing in case of vertical pump installation is lifetime lubricated 7 Rolling bearing greases For the lubrication of the ball bearings we recommend to use the below listed rolling bearing greases or equiv alent The order of manufacturers is no quality ranking Manufacturer Brand name ARAL HL3 BP BP ENERGREASE LS 3 CALTEX CALTEX MULTIFAK 2 ESSO BEACON 3 GULF GULFCROWN GREASE No 2 GULFCROWN GREASE No 3 MOBIL OIL MOBILUX GREASE No 3 SHELL SHELL ALVANIA FETT 3 VALVOLINE VALVOLINE LB 2 If the listed rolling bearing greases are not available we recommend in any case a multi purpose grease on lithium basis Grease mixtures with grease grades of different basic oils and thickeners lead to a reduction of the lubricating properties and must therefore be avoided The table under Section 7 1 2 6 shows the allocation of the pump size to the grease quantity in grams Relubrication period Every 4 000 operating hours the bearings must be relu bricated Relubrication Relubrication is effected by means of the grease nipple 119 screwed in the bearing bracket 110 Relubrica tion must be repeated for such a period of time until the used grease emerges at the bearing cover 131 The used grease is to be wiped off 7 1 2 3 Shaft
31. g 112 with rolling bearing grease and coat sealing lips Press shaft seal ring 112 into the cleaned seat of the bearing bracket 110 Note The sealing lip with hose spring of the shaft seal ring must always face the side to be sealed pointing to the inside Pressing in is effected with a suitable pressing stamp Absolutely see to it that the pressing force is applied as close as possible to the outside diameter of the shaft seal ring 7 2 2 2 Mounting the shaft seal with the driving shaft dis mounted In case of design with shaft sleeve mount O ring 115 in the groove of the driving shaft 118 and coat with sliding compound e g silicon oil Polydiol soft soap ATTENTION Do not use normal oil Push shaft sleeve 206 with the inside chamfer pointing to the driving shaft head onto the driving shaft 118 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Mounting the stuffing box Push shaft sealing housing 204 onto the shaft sleeve 206 and or onto the driving shaft 118 In case of design P02 P12 including flushing ring 208 and in case of design P03 P13 and P04 P14 including sealing chamber ring 209 mount stuffing box packing 207 into the shaft sealing housing 204 Please also refer to Section 7 1 2 3 Installa tion of new packing rings above Mounting the mechanical seal general Mechanical seals are high quality precision parts The mount
32. g 214 15 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Push mechanical seal housing 214 with stationary seal ring 219 over the driving shaft 118 and by means of the hexagon screws 245 fasten to the mechanical seal cover 215 7 2 2 3 Mounting the driving shaft with shaft seal 16 Push thrower 114 onto the driving shaft 118 Press driving shaft 118 with mounted shaft sealing housing 204 or mechanical seal housing 214 and installed stuffing box packing 207 and or mechani cal seal 219 through the bearings 104 and 103 into the bearing bracket 110 Note Attend to mounting position of the spacer ring 113 and the spacer sleeve 102 During pressing support and or hold the inner bearing ring of the groove ball bearing 103 by means of an appropriate auxiliary tool Note In case of pump sizes AE1N 380 AE2N 380 AE1E 750 AE2E 750 AED2N 560 AED1E 1200 AE H 200 and with all greater pumps the driving shaft 118 can also be pushed through the bearings 104 and 103 into the bearing bracket 110 by means of a mounting tool consisting of guide sleeve draw in sleeve threaded rod with washer and nut The moun ting tool can be obtained from us 110 Guide sleeve Draw in sleeve Extension nut 118 Threaded rod Figure 9 Drawing in of the driving shaft By means of a hook wrench turn self locking bearing nut 116 onto the d
33. he most important dismounting and mounting opera tions are described in these instructions The mounting steps described in the individual sections must be con sistently observed Dismounting the eccentric screw pump Prior to commencing the dismounting the following operations must be performed Pinch off power supply cable to the motor Motor must not be capable of being started All stop valves in the suction and pressure pipeline must be closed Drain the fluid to be pumped from the suction casing For these purposes screw out screw plug 502 Note Use collecting tank Dismount protection against accidental contact Dismount supply and pressure pipline as well as all auxiliary pipelines Loosen screws at the pump feet and screw out ALLWEILER Dismounting the stator Remove hexagon nuts 609 and washers 610 from the clamp bolts 611 Withdraw pressure casing 504 Remove clamp bolts 611 and support 612 if pro vided Withdraw stator 402 from the rotor 401 Note In case of stiffness simultaneously turn stator 402 by means of chain tongs For these purposes fix driving shaft 118 Incase of stators of plastic material or metal remove stator gaskets 403 and 404 Remove reducer flange 512 and O ring 513 if available 7 2 1 2 Dismounting the rotor and rotor side joint The dismounting of the rotor and the rotor side joint is effected foll
34. ied same is to be installed by the operator Base plate The pumps of horizontal installation are as a rule mounted with the drive on a common base plate Base plates are provided of the steel type of construction Installation mounting Installation The pumps can be installed horizontally or vertically with the bearing upwards Foundation The foundation design depends on the size of the pump and or the pump aggregate and the local installation conditions For exact data on the pump and aggregate dimensions please refer to our table of dimensions The foundation may be designed as a concrete founda tion or load carrying foundation frame for example of the steel type All foundation designs are subject to the following The foundation must be designed so that it can take the weight of the pump aggregate on the entire surface Base plate The base plate must be fixed on the foundation stress free Coupling A pump aggregate supplied complete was carefully mounted at the factory As the pump and the drive are fixed on the base plate re alignment of the coupling is not required Assembly of pump and drive The aggregate being completed at the place of service only the coupling must be assembled as follows 1 Cover pump and driving shaft end with a filmy coat of molybdenum disulfite e g Molykote and insert keys 2 By means of a mounting device push pump and motor side coupling halves on until the shaft end is
35. ing at the joint clamp lock the joint clamp must be sheared with sheet metal shears and the cutting edges deburred please refer to Figure 16 below Clamp lock 306 bend and shear Figure 16 Bending and shearing of the joint clamp Check whether the joint clamp is bent ATTENTION so that it cannot glide back through the joint clamp lock please refer to Figure 16 above If this was not achieved the joint clamp must be removed and replaced by a new one 7 2 2 5 Installation of the joint shaft and the drive side joint Mount drive side joint as described under Section 7 2 2 4 above against the driving shaft 118 In doing so push joint shaft into the joint head of the driving shaft 118 Secure joint sleeve 804 as depicted with center punch blow Mount joint collar 308 fill joint chamber with joint oil and fix joint clamps as described Insert gasket for suction casing 501 Push suction casing 505 over the rotor 401 In doing so make sure that the fine machined rotor is not damaged Fix suction casing 505 with hexagon screws 606 fan type lock washers 608 and hexagon nuts 607 to the bearing bracket 110 Note Prior to tightening the hexagon nuts 607 align connecting flange of the suction casing 505 Attend to proper position of the connections in the shaft sealing housing 204 and or mechanical seal housing 214 Please refer to our tables of dimen sions 7 2 2
36. ing instruc tions the current national rules for the prevention of accidents as well as any internal working operating and safety regulations of the operator are to be observed Safety hints for the user operator If hot or cold machine parts lead to dangers these parts must be protected against accidental contact at the site Protection against accidental contact for moving parts e g coupling must not be removed when the machine is in operation Leakages e g of the shaft seal of dangerous materi als to be handled e g explosive toxic hot must be discharged so as not to result in danger to persons and the environment Legal stipulations are to be observed Dangers by electrical energy are to be excluded for details with regard hereto please refer e g to the regulations of the VDE and the local energy supply associations Safety hints for maintenance inspection and mount ing operations The operator shall see to it that all maintenance inspec tion and mounting operations will be performed by au thorized and qualified expert personnel who have suffi ciently informed themselves by thoroughly studying the operating instructions Basically operations at the machine are to be per formed during standstill only The mode of operation for stopping the machine described in the operating instructions must be absolutely observed Pumps or aggregates handling noxious fluids must be decontaminated Prior
37. ing instructions of the mechanical seal manufac turers are to be observed Careful handling and extreme cleanliness during mounting are a condition of proper functioning To facilitate mounting surfaces on which O ring are sliding may be lubricated with sliding com pound such as silicon oil Polydiol or soft soap Do not use normal oil ATTENTION Note See to it that the parts sliding on each other are only exchanged in pairs When using double PTFE coated O rings see to it that the joint of the outer coating points against the mounting direction as otherwise opening and or withdrawal of the coating may be effected please refer to Figure 8 below lt gt Assembly direction S Joint of outer teflon sheathing Figure 8 Joint of the outer coating points against the mounting direction Mounting the mechanical seal single acting Drive locking pin 220 into the mechanical seal housing 214 Concentrically press stationary seal ring 219 with O ring into the cleaned mechanical seal housing 214 Note Attend to uniform pressure distribution and to the locking pin The locking pin 220 must not pro trude to the inside Push rotating part of the mechanical seal 219 onto the driving shaft 118 Note Exactly observe installation dimension and or position of the mechanical seal as marked for the dismounting Together with the screw locking means Loctite No 241 or equivalent insert and tighten hexago
38. int clamp lock If not press against by means of commercial flat pliers please refer to Figure 12 below Clamping band lock bent loop 306 Figure 12 Press joint clamp loop against joint clamp lock Place joint clamps 306 in the surrounding slots of the joint collar 308 and clamp Note For these purposes the following clamping tools must be used For pump sizes P AE1N 200 AE2N 200 AED2N 300 AE1E 380 AE2E 380 AED1E 560 AE H 100 the clamping tool bearing the designation PoK It Il For pump sizes p AE1N 380 AE2N 380 AED2N 560 AE1E 750 AE2E 750 AED1E 1200 AE H 200 the clamping tool bearing the designation Band lt together with adapter JO50 The said tools may be obtained from us When clamping the joint clamps proceed as follows Clamping with clamping tool Band It and adapter J050 Introduce band end of the joint clamp 306 to the joint clamp lock into the clamping tool with adapter Hold clamp end with the eccentric lever of the clamping tool and clamp joint clamp 306 by turning the crank Figure 13 Crank 306 Eccentric lever 306 Figure 13 Clamping the joint clamp by means of clamping tool Band lt and adapter J050 ALLWEILER Note Proper clamping of the joint clamps 306 is shown in Figure 14 Correct Wrong Wrong Joint clamp Joint clamp Joint clamp 306 has 306 too loose 306 too tight slightly drawn in may glide down Collar dam
39. ithdraw shaft sleeve 206 and O ring 115 from the driving shaft 118 7 2 1 5 Dismounting the angular contact and groove ball bearings Dismounting of the bearings is effected following the dismounting of the driving shaft Please refer to Section 7 2 1 4 above Radially displace spacer sleeve 102 and by means of an appropriate tool ejector drive groove ball bearing 103 out of the bearing bracket 110 please refer to Figure 6 below 112 104 127 102 103 LL hes Heal EZZEZZZA era X ry Ejector 110 113 129 107 Figure 6 Dismounting the bearings 13 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 7 2 2 7 2 2 1 14 Remove spacer sleeve 102 and bearing grease 107 Dismount circlip 127 from the bearing bracket 110 Remove shim rings 129 Note Applies to Sizes AE1E 1450 2700 5000 9500 AED1E 2300 4250 7800 15500 AE2E 1450 AE1N 750 1450 2700 5000 AE2N 750 1450 AED2N 1200 2300 4250 7800 AE H 380 750 1450 2700 only By means of an appropriate tool ejector drive angular contact ball bearing 104 out of the bearing bracket 110 Remove spacer ring 113 from the bearing bracket 110 Press shaft seal ring 112 out of the bearing bracket 110 Mounting the eccentric screw pump General Mounting of the individual pump components is effect ed after careful cleaning analogously in reverse order Mounting the angula
40. n sockets with cup points if provided in the rotating part of the mechanical seal 219 Push mechanical seal housing 214 with stationary seal ring 219 over the driving shaft 118 Note When pushing the mechanical seal housing onto the driving shaft see to it that the mechanical seal housing is not canted to avoid damages to the stationary seal ring ALLWEILER Mounting of the mechanical seal single acting with quench Mounting of the mechanical seal is effected as de scribed under Section Mounting the mechanical seal single acting In addition drive in locking pin 220 with sealing compound 251 Loctite No 640 or equivalent Press shaft seal ring 232 into the cleaned mechani cal seal housing 214 Do not grease sealing lip Note The sealing lip of the shaft seal ring must always face the side to be sealed pointing to the inside Pressing in is effected by means of a suitable pres sing stamp Absolutely see to it that the pressing force is applied as close as possible to the outside diameter of the shaft seal ring The mechanical seal housing 214 ATTENTION with incorporated shaft seal ring 232 must first be pushed onto the driving shaft 118 laterally reversed with the shaft seal ring fore most to expand the sealing lip of the shaft seal ring Following the expansion the mechanical seal hous ing 214 must be withdrawn from the driving shaft 118 and within a short period of time pr
41. n be provided as spare parts replacement parts Recommended spare parts replacement parts R large repair kit r small repair kit For reasons of operating safety only original spare parts delivered by us are to be kept on stock and installed In this connection we refer to the statements made under Section 2 7 above In case of spare parts replacement parts ordering the following are to be stated Machine numbers Abbreviation of pump Part number Denomination and part quantity or Ident No and quantity Note The machine number and the abbreviation of the pump are engraved on the type plate Note The Ident No and quantity can be seen from the attached separate spare parts list Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Denomination Part No Quantity Key 101 1 Spacer sleeve 102 1 Groove ball bearing 103 R 1 Angular contact ball bearing 104 R 1 Bearing grease 107 R 0 Bearing bracket 110 1 Shaft seal ring 112 R 1 Spacer ring 113 1 Thrower 114 1 O ring 115 R 1 Bearing nut 116 R 1 Driving shaft 118 R 1 Lubricating nipple 119 1 Circlip 127 1 Shim ring 129 4 Bearing cover 131 1 Gasket 132 R 1 Hexagon screw 139 4 Stud bolt 201 2 Self locking nut 202 2 Gland half 203 2 Shaft sealing housing 204 1 Shaft sleeve 206 R 1 Stuffing box packing 207 R r Flushing ring 208 1 Sealing chamber ring 209 1 Screw plug 212 1 Joint tape 213 1 Mechanical seal housing 214 1 Mechanical
42. ng shaft 118 Prior to loosening the hexagon ATTENTION sockets with cup points mark and or measure position of the mechanical seal on the shaft sleeve or driving shaft Do not push O rings over the screw pressure mark In case of design with shaft sleeve withdraw shaft sleeve 206 and O ring 115 from the driving shaft 118 Press out shaft seal 232 Dismounting the mechanical seal single acting with throttling ring Remove hexagon screws 245 Withdraw mechanical seal housing 214 with atmosphere side stationary seal ring 219 from the driving shaft 118 Note Particularly see to it that the casing with sta tionary seal ring is withdrawn concentrically and not canted to avoid damages to the stationary seal ring Withdraw O ring 218 Press stationary seal ring and O ring out of the mechanical seal housing 214 See to uniform pressure distribution Drive out locking pin 220 Loosen hexagon sockets with cup points in the rota ting part of the mechanical seal 219 and withdraw mechanical seal from the driving shaft 118 Prior to loosening the hexagon ATTENTION sockets with cup points mark and or measure position of the mechanical seal on the shaft sleeve or driving shaft Do not push O rings over the screw pressure mark Withdraw mechanical seal cover 215 with throttling ring 234 from the driving shaft 118 Undo throttling ring 234 and remove with the O ring 235 Pull locking pins
43. operly pus hed onto the driving shaft 118 with the flange side foremost Mounting the mechanical seal single acting with throttling ring Concentrically press throttling ring 234 with O ring 235 into the mechanical seal cover 215 Note Attend to uniform pressure distribution Beat locking pin 236 with mandrel into the mechan ical seal cover 215 Locking pin must not protrude to the inside Push mechanical seal cover 215 over the driving shaft 118 Subsequent mounting of the mechanical seal is effected as described under Section Mounting the mechanical seal single acting Mount O ring 218 on the mechanical seal housing 214 Push mechanical seal housing 214 with stationary seal ring 219 over the driving shaft 118 and by means of the hexagon screws 245 fasten to the mechanical seal cover 215 Mounting the mechanical seal double acting Beat locking pin 236 into the mechanical seal cover 215 Concentrically press stationary seal ring 219 with O ring into the mechanical seal cover 215 Note Attend to uniform pressure distribution and to the locking pin Locking pin must not protrude to the inside Push mechanical seal cover 215 over the driving shaft 118 Subsequent mounting of the mechanical seal is effected as described under Section Mounting the mechanical seal single acting Mount O ring 218 onto the mechanical seal hous in
44. ositive displacement pumps for handling and dosing liquid to highly viscous neutral or aggressive pure or abrasive gaseous fluids or fluids which tend to froth even with fibre and solids contents The range of utilization is to be taken ATTENTION from the order data sheet 1 2 Performance data The exact performance data applying to the pump are to be taken from the order data sheet and are engra ved on the type plate 1 3 Abbreviation The abbreviation of the eccentric screw pumps is set up according to the following scheme Example Series AE 1 E 100 ID AED 1 E 150 1ID Product Number of stages Mechanics Size Type of construction 1 4 1 5 This abbreviation is engraved on the type plate Warranty Our liability for shortcomings in the supply is laid down in our delivery conditions No liability will be undertaken for any damages caused by non compliance with the operating instructions and service conditions If at any later date the operating conditions happen to change e g different fluid pumped speed viscosity temperature or pressure conditions it must be checked by us from case to case and confirmed if necessary whether the pump is suited for these purpo ses In case no special agreements were made pumps supplied by us may during the warranty period be opened or varied only by us or our authorized contrac tual service stations otherwise our liability for any defects will cease Testing Prio
45. owing the dismounting of the stator 402 Please refer to Section 7 2 1 1 above Remove hexagon nuts 607 and fan type lock washers 608 as well as hexagon screws 606 Withdraw suction casing 505 over the rotor 401 In doing so see to it that the fine machined rotor is not damaged Remove gasket for suction casing 501 Cut lock at the joint clamp 306 by means of a metal cutting saw and with a screw driver press out to both sides Remove joint clamp 806 from the joint collar 308 please refer to Figure 2 _ Saw cut 306 308 306 Figure 2 Removal of the joint clamp By means of a screw driver lift joint collar 808 and withdraw axially towards the joint shaft 807 Collect oil filing in a tank Drive joint sleeve 804 over the collar of the joint shaft 307 In doing so do not deflect joint shaft 307 please refer to Figure 3 below 401 Chisel 304 307 Figure 3 Dismounting the joint sleeve 11 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Eject joint bolt 301 By means of a brass ejector drive out half of the two bushes for joint bolt 303 For these purposes incline joint shaft 307 please refer to Figure 4 below 401 303 307 Figure 4 Dismounting the bushes for joint bolt Remove rotor 401 from the joint shaft 307 Press joint bush 802 out of the joint shaft 307 By means o
46. pelines for tightness 4 During operation an installed stuffing box must be slightly dripping An installed mechanical seal must not have any heavy leakage 5 Observe pressure and temperature monitoring instruments and compare with the order data sheet and or acceptance report 6 Observe additional facilities such as flushing sealing or quenching of the shaft seal if provided 7 Observe additional facilities for heating or cooling of the shaft sealing housing and or the suction casing if provided Maintenance of components 7 1 2 1 Joints of the joint shaft The joints of the joint shaft are lubricated with Allweiler special joint oil Type B or oil ET 1510 ISO 460 of Messrs Tribol Lubricants GmbH M nchengladbach Germany for the use of the pumps for foodstuffs with ALLWEILER special joint oil Type BL or oil 1810 460 of Tribol Lubri cants GmbH M nchengladbach Germany Other lubricants were not tested by us ATTENTION and can therefore not be recommend ed by us The joints are life lubricated However if the pump must be opened for any other purposes we recommend to check the joint collar for tightness and to change the joint oil after 8 000 working hours The table under Section 7 1 2 6 shows the allocation of the pump size to the oil quantity in cubic centimeters For the change of the joint oil please refer to the Dismounting and Mounting Instructions 7 1 2 2 Bearing of the driving shaft and lubrication o
47. r contact and groove ball bear ings Note The pumps are equipped with regreasable ball bearings During remounting the ball bearings must be provided with a sufficient grease filling In case of vertical pump design the groove ball bearing is life time lubricated If required carefully clean groove ball bearings with Diesel fuel The bearing surfaces being blank and undamaged the groove ball bearing 103 and 104 can be re used If this is not the case the ball bear ings must be replaced Fill ball bearings 103 and 104 with rolling bearing grease The grease filling is applied as described below 1 Fill hollow spaces between the rolling bodies up to approx 30 to 50 with grease 2 Scrape off excessive grease most suitably with the fingers do not use any metallic object For rolling bearing greases recommended by us please refer to Section 7 1 2 2 above By means of a suitable pipe length press double row angular contact ball bearing 104 from the driving side over the outer bearing ring into the bearing bracket 110 Slightly oil bearing seat surface pre viously Note The ball filling groove of the angular contact ball bearing must point to the driving side The following pump sizes are ATTENTION equipped with two single row angu lar contact ball bearings 104 AE1E 1450 2700 5000 9500 AED1E 2300 4250 7800 15500 AE2E 1450 AE1N 750 1450 2700 5000 AE2N 750 1450 AED2N 1200 2300 4250 7800 A
48. r to leaving our factory all pumps are subjected to a leakage and performance test Only properly operating pumps leave the factory achieving the performances assured by us Thus compliance with the following ope rating instructions ensures proper operation Safety These operating instructions contain basic hints to be observed during installation operation and mainte nance Therefore prior to mounting and commissioning these operating instructions must be absolutely read by the fitter as well as the pertinent expert per sonnel operator and must always be available at the place of installation of the machine plant 2 1 2 2 ALLWEILER Not only are the general safety hints listed under this main item Safety to be observed but also the special safety hints such as for private use inserted under the other main items Marking of remarks in the operating instructions The safety hints contained in these operating instruc tions which in case of non compliance may cause dan ger to personnel are particularly marked with the gen eral danger symbol Safety sign according to DIN 4844 W9 in case of warning against electric voltage with Safety sign according to DIN 4844 W8 For safety hints non compliance of which may cause dangers to the machine and its functions the word ATTENTION is inserted Hints directly attached to the machine such as Directional marker Sign for fluid connections must by all me
49. riving shaft 118 and firmly tigh ten In case of backlash free fit of the bearing nut retighten same by approx 1 16 rotation Note In order to ensure self locking of the bearing nut same must be replaced after approx 5 loosening and tightening operations In case of pumps of horizontal installation turn bear ing cover 131 with gasket 132 prior to mounting so that the grease outlet bore hole in the bearing bracket 110 is closed In case of pumps of vertical installation with bearing upwards turn bearing cover 131 with gasket 132 prior to mounting so that the grease outlet bore hole in the bearing bracket 110 coincides with the recess in the bearing cover 131 and gasket 132 By means of the hexagon screws 139 fasten bear ing cover 131 with gasket 132 to the bearing bra cket 110 Insert key 101 in the driving shaft 118 and secure with two center punch blows at the front side ALLWEILER 7 2 2 4 Mounting the rotor and rotor side joint By means of a brass mandrel drive half of the bushes for joint bolt 803 into the rotor 401 Press joint bush 302 into the joint shaft 807 so that the longitudinal axis of the oval bore hole mar ked by two notches coincides with the longitudinal axis of the joint shaft and the joint bush equally prot rudes from both sides of the joint shaft please refer to Figure 10 below 307 302 congruent with the longitudinal axis of the coupling rod
50. ry pipelines for the supply of the shaft seal and the possible double shell casing for heating and cooling of the pump are to be connected stress free and seal ing If possible the pipelines for the quench liquid in case of single acting mechanical seal with quench designs GOQ and G1Q and the sealing liquid in case of double 5 Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 5 10 5 10 1 5 10 2 5 11 6 1 6 1 1 acting mechanical seal design GOD G1D are to be laid with a large flow cross section The quench and or seal ing liquid outlet is at the highest connection of the mechanical seal housing The flow direction of the flushing sealing and quench liquid is represented by arrows in the sectional draw ings In order to ensure automatic ventilation the pipelines must be laid continuously ascending and short promot ing easy flow Air bag formation and gas bubble formation are to be avoided if required ventilation connections must be provided The heating cooling liquid outlet is to be con nected at the highest connection of the double shell casing if any Safety and control facilities Manometer and vacuummeter A manometer and vacuummeter are to be connected to the pressure and suction pipeline Safety element in the pressure pipeline As soon as a stop valve is arranged in the pressure pipe line or if it is possible that the pressure pipeline will be clogged a safety elem
51. seal Shaft sealing is either effected via a stuffing box or a mechanical seal Stuffing box Increased leakages if any at the stuffing box during the first few hours of operation normally disappear auto matically during the running in period If necessary slightly tighten hexagon nuts 202 at the gland 203 Please note that the stuffing box must be slightly leak ing This causes dissipation of the frictional heat gen erated at the sealing surface If the leakage losses increase excessively and if leakage cannot even be reduced by repeated slight tightening of the hexagon nuts 202 the packing rings have lost their elasticity of shape and must be replaced Dismounting the old packing rings and cleaning the shaft sealing housing Following the pressure relief of the pump and after removal of the gland the old packing rings can be removed A packing puller with flexible shaft serves as tool Thereafter the stuffing box chamber and the driving shaft must be carefully cleaned within the area of the packing rings Worn driving shafts and or shaft sleeves must be replaced refer to the Dis mounting and Mounting Instructions Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction A ALLWEILER Mounting the packing rings In principle only such packing rings ATTENTION are to be installed which correspond to the required operating conditions of the pump For the dimensions and necessary quantity o
52. ssumed that the residual liquid in the pump has evaporated or after a repair the filling process must be repeated After filling the pump operates self priming Venting is not required as a liquid gas mixture can easily be han dled Switching in the additional facilities for shaft seals if provided If the pumps are charged with a flushing sealing or quench liquid the existing stop valves prior to initial start up of the pump must be opened and set to the pressures listed below 6 1 3 ALLWEILER Supply of the stuffing box with flushing or sealing liquid Designs P02 P12 PO3 P13 P04 and P14 Note For maintaining their function stuffing boxes with flushing or sealing chamber rings require a flushing and or sealing liquid The required flushing and or sealing liquid pressure in case of pumps with stuffing box is for stuffing box designs P02 P12 0 1 up to 0 5 bar above the respective internal suction casing pressure P03 P13 0 5 bar above the respective internal suction casing pressure P04 P14 O up to 0 5 bar for flushing and sealing liquid please refer to Sec tion 6 1 3 below Supply of the single acting unbalanced mechanical seal with throttling ring Designs GOS G1S and GOT G1T Note For maintaining their function these mechani cal seals require a flushing liquid which dissipates the frictional heat and limits the penetration of the fluid to be pumped into the sealing chamber The requir
53. te must be set by gradually and evenly tightening the gland 203 by means of the hexagon nuts 202 During this process the stuffing box ATTENTION temperature must not rise abnor mally Approx 20 to 60 C above the temperature of the fluid pumped are admissible In case of a sudden temperature rise the gland must be immediately slackened and the running in procedure repeated The seepage may be drained through the tapped hole provided in the collecting trough of the bearing bracket Personal injuries and environmental damages result ing from the leakage of dangerous materials must be excluded Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction ALLWEILER E Mechanical seal In case of heavy leakage due to wear the mechanical seal must be replaced please refer to the Dismounting and Mounting Instructions As dry running of a mechanical seal ATTENTION must be avoided the pump may only be started in a filled condition and if provided with the additional facilities switched in please refer to Section 6 1 2 above 7 1 2 4 V belt drive Refer to our maintenance instructions for the V belt drive with tensioning device VM 706 0001 Ident No 133586 7 1 2 5 Driving motors and control gears Please refer to the operating and maintenance instruc tions of the manufacturers Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction ALLWEILER 7 1 2 6 Packing ring dimensions to S
54. ting Instructions 7 2 1 Dismounting the eccentric screw pump 7 2 1 1 Dismounting the stator 7 2 1 2 Dismounting the rotor and rotor side joint 7 2 1 3 Dismounting the joint shaft and the drive side joint 7 2 1 4 Dismounting the shaft seal and driving shaft 7 2 1 5 Dismounting the angular contact and groove ball bearings Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 7 3 7 4 7 5 7 6 7 2 2 Mounting the eccentric screw pump 7 2 2 1 Mounting the angular contact and groove ball bearings 7 2 2 2 Mounting the shaft seal with the driving shaft dismounted 7 2 2 3 Mounting the driving shaft with shaft seal 7 2 2 4 Mounting the rotor and rotor side joint 7 2 2 5 Mounting the joint shaft and the drive side joint 7 2 2 6 Mounting the stator Spare parts Replacement parts Parts list and recommended spare parts replacement parts for Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction Sectional drawing for series AE1E AE2E AE1N AE2N AED1E AED2N ID type of construction Sectional drawing for series AE1 1 1H AE2 2H ID type of construction Sectional drawing for series AE2H AE4H ID type of construction 8 Troubles causes and remedial actions ALLWEILER Series AE1E AE2E AE1N AE2N AED1E AED2N AE H ID type of construction 1 General 1 1 Application and range of utilization The eccentric screw pumps are self priming rotary p
55. to restarting the items listed in section Initial start up are to be observed Independent reconstruction and spare parts produc tion Reconstruction of or changes to the machine are only admissible after consultation with the manufacturer Ori ginal spare parts and accessories authorized by the manufacturer serve safety purposes The use of other parts may cancel the liability for the consequences resulting therefrom Inadmissible modes of operation The operating safety of the machine supplied is only ensured with due application according to Section 1 of the operating instructions The limit values given in the data sheet must by no means be exceeded 3 3 1 3 2 A 3 3 4 1 1 4 2 ALLWEILER Transportation and intermediate storage Packing The symbols applied to the packing are to be observed During transportation and storage suction and outlet side and auxiliary connections of the pump must be closed with plugs During installation of the pump aggregate the plugs are to be removed Transportation Due to their weight eccentric screw pumps and all pump aggregates are transported to the place of instal lation by means of a lifting appliance When transporting the pumps by means of a crane the sling ropes must be placed safely around the suction casing In case of complete pump aggregates a rope must be additionally fixed to the driving motor The sling ropes must be placed around the pump and or th
56. v Pres Irreg Pump Pump Motor Stator Shaft does does ery sure ular oper is gets wears seal not not isnot head pump ates seized too prema leaky start prime achieved is not deliv noisily or does warm turely achieved ery not deliver ALLWEILER eccentric screw pumps operate trouble free at any time provided they are applied according to the operating conditions mentioned in our order confirmation and if the operation manual is complied with High adhesion between rotor and stator in new condition after extended standstill Race pump by hand with auxiliary tool Check sense of rotation against arrow on pump in case of wrong sense of rotation change motor poles Check suction pipeline and shaft seal for tight ness Check suction head increase suction pipeline cross section if necessary install greater filters open suction valve completely Check viscosity of fluid pumped Check pump speed control speed and power consumption of driving motor check voltage and frequency Avoid air inclusions in the fluid to be pumped Check pressure head open valve in pressure pipeline completely remove obstruction in pressure pipeline Pump runs completely or partly dry Check whether fluid pumped on suction side is suffi cient 10 e e 11 e o e Increase speed in case of fluid media and great suction volume Reduce speed in case of viscous medi

Service Manual - Progressing Cavity Pumps

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