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CombiPrime H, Instruction Manual

1. The basic values mentioned in the table above are related to the pump casing materials cast iron and bronze 10 5 Maximum allowable working pressures Table 6 Maximum allowable working pressure bar Test pressure 1 5 x max working pressure CH EN 1111 5 8 Technical data 73 70 60 50 40 30 25 20 6 Hydraulic performance 4 150 z m N m 2 120 100 80 732 250 40 250 50 250 pse 80 250 60 00 250 50 00 20 32 200 40 200 657200 E See 80 200 40 35 30 2 65 160 25 LL 932 160 100 160 40 160 397160 80 160 20 15 00 125 10 8 3 8 10 12 1416 20 30 40 60 80 100 150 200250300 h Figure 39 Performance overview 3000 min m wy NI in ies 125 400 N 150 400 100 400 65 315 80 315 00 315 150 315 125 315 amen 40 250 50 250 mm 80 250 125 250 100 250 00 20 4 5 6 7 8910 15 20 30 40 50 60 80 100 150 200 300 400 500 Q mi h Figure 40 Performance overview 1500 min 74 Technical data CH EN 1111 5 3 CombiPrime H A 4126 so 32 200 40 200 50 200 99 200 50 32 160 40 40 160 50 160 65 160 100 160
2. CH EN 1111 5 8 Dimensions 55 IEC motor 160 180 180 LJM sv 712 200 200 x Base plate number Motor length based on DIN 42673 could be different due to applied motor make 8 4 Dimensions base plate Base plate number Dimensions CH EN 1111 5 3 CombiPrime H gt 8 5 Dimensions pump with service liquid tank Gun a geld D f u r v o Figure 31 Dimensions pump with service liquid tank CH EN 1111 5 3 Dimensions 57 CH a b c d e f g g 32 160 94 66 275 183 200 32 200 94 66 300 4 208 200 32 250 81 330 238 200 40 200 94 66 300 208 200 40 250 81 330 238 200 50 160 94 66 275 183 200 50 200 94 66 300 208 200 50 250 81 330 238 200 94 66 275 183 200 155 80 200 109 81 155 300 240 208 200 80 250 109 81 165 330 270 238 200 235 345 285 253 305 80 315 140 112 130 150 400 200 200 109 81 165 330 270 238 305 n 2 2400 3600 min n 1450 2400 min Connections WO Be aeration T Overflow S inlet sef priming pump
3. Figure 10 Medium thin clean and slightly polluted liquids In case part of the suction pipe lies higher than the pump venting should also be provided in this part If the suction pipe is short or the lift in the suction pipe small venting at the highest point is not necessary However the suction time will be longer 24 Installation CH EN 1111 5 3 CombiPrime H pa 4 cee GORA SA Figure 11 Medium thin clean and slightly polluted liquids In case of long suction pipes 10 m or more and a high suction head 4 7 m also the suction pipe must be vented CH EN 1111 5 8 Installation 25 ex 3 8 3 8 1 3 8 2 3 8 3 Vacuum pump with float controlled de aerator Mounting of accessories Connect the exhaust pipe of the float controlled de aerator to the suction pipe The passage of the exhaust pipe must be approx 12 mm and the connection to the suction pipe at least G1 2 The pump is supplied with the exhaust pipe connected to the pump cover Connection diagram with float controlled de aerator o Lu A Figure 12 Connection diagram with float controlled de aerator Indication of connections The suction delivery and service liquid connections of the vacuum pump are indicated both on the drawings and on the vacuum pump by the letters S P and W Suction point PC is the connection to the space be
4. PF Oure setr priming pump Roe W Inlet service liquid Rp12 SC Suction flange connection Rp 58 Dimensions CH EN 1111 5 3 eX CombiPrime H 8 6 Dimensions pump with float de aerator FRE E d g e In H t Eg 2 E O A I oO om o KO n P DD i to I dpa e e git Figure 32 Dimensions pump with float de aerator CH EN 1111 5 8 Dimensions 59 CH 32 160 a c 94 d 378 e f 268 g 200 g 32 200 94 402 292 200 32 250 432 322 200 40 160 94 378 268 200 a 40 200 94 402 292 200 40 250 432 3 322 200 50 160 94 378 268 200 50 200 94 402 292 200 a 50 250 94 432 378 322 268 200 200 109 140 94 80 200 109 2 80 250 109 80 400 33 402 292 292 200 43 432 322 322 200 23 09 447 337 337 30 09 449 389 389 30 2 5 80 315 140 2 5 2 5 100 125 243 378 268 268 200 100 160 233 402 292 292 200 100 200 233 402 292 292 2
5. Order form for spare parts ADDRESS Your order will only be dealt with if this order form has been correctly completed and signed Order date Your order number Pump type Execution Item No Article number pump Delivery address Invoicing address ORDFORM 1107 3 2 EN 81 eX 82 ORDFORM 1107 3 2 EN CombiPrime H Horizontal self priming centrifugal pump eX WHERE IDEAS MEET INDUSTRY SPX Flow Technology Assen B V Dr A F Philipsweg 51 9403 AD Assen THE NETHERLANDS Phone 31 0 592 37 67 67 Fax 31 0 592 37 67 60 E Mail johnson pump nlOspx com www johnson pump com WWW Spx com For more information about our worldwide locations approvals certifications and local representatives please visit www johnson pump com SPX Corporation reserves the right to incorporate our latest design and material changes without notice or obligation Design features materials of construction and dimensional data as described in this bulletin are provided for your information only and should not be relied upon unless confirmed in writing ISSUED 11 2011 DV 1530 Copyright O 2011 SPX Corporation
6. 80 160 30 25 20 10 2 16 20 30 40 50 60 80 100 120150 200 250300 400 Q m n Figure 41 Performance overvievv 3600 min 5 6 8 10 15 20 25 30 40 50 60 80 100 150 200 300 400 500 700 Q im h Figure 42 Performance overview 1800 min CH EN 1111 5 3 Technical data 75 eX 10 7 10 7 1 Noise data Pump noise as a function of pump power dB A 8 4103 A 96 94 92 90 88 86 84 80 78 76 74 72 70 68 66 64 62 60 58 56 54 0 1 1 10 P kW 100 200 Figure 43 Noise level as function of pump power kW at 1450 min A sound energy B sound pressure 100 ABA SE E im le Ech 90 ma i x VOT LL LER PA INN SP zeli prer 7 LRL n i EA NULLE 65 7T LI LT TT ILL 0 1 1 Figure 44 Noise level as function of pump power kW at 2900 min A sound energy B sound pressure 76 Technical data CHJEN 1111 5 3 CombiPrime H 10 7 2 Noise level of entire pump unit L dB 3 2 3 0 2 8 2 6 2 4 2 2 2 0 1 8 1 6 1 4 1 2 1 0 0 8 0 6 0 4 0 2 0 0 4102 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 IL1 L2
7. ESI TT WSK NI KAT rr nm T MI Ij EE 0010 CIEN Olcc 0187 O09cc OOS OOvc OSZZ OLLE o0cc OBIC SLIZ Ol Ocvec ALEC OOIC x F L i N OL O 0981 oc8al Ove O LO O LO Figure 33 CombiPrime H CH EN 1111 5 3 Parts 62 CombiPrime H Quantity Description pump casing eX Material G3 cast iron bronze impeller wear ring D aluminium bronze aluminium bronze bronze cast iron bronze cast iron bracket support gasket plug cast iron bronze plug cast iron bronze Allen screw steel stainless steel gasket cap nut stainless steel impeller key stainless steel set screw stainless steel bearing bracket cast iron bearing cover cast iron grease nipple steel grease nipple steel oil baffle NBR spring steel pump shaft steel alloy stainless steel coupling key steel deflector rubber adjusting bush cast iron 1 1 1 4 1 1 1 1 2 1 1 1 1 1 cylindrical roller bearings N angular contact ball bearing inner circlip spring steel Nilos ring Nilos ring steel steel adjusting ring steel outer circlip spring steel name plate arrow plate s
8. P lt INSTRUCTION MANUAL WHERE IDEAS MEET INDUSTRY CombiPrime H Horizontal self priming centrifugal pump Orginal instructions CH EN 1111 5 3 i E Read and understand this manual prior to operating or servicing this product Johnson Pump eX EC Declaration of conformity Directive 2006 42 EC appendix II A Manufacturer SPX Flow Technology Assen B V Dr A F Philipsweg 51 9403 AD Assen The Netherlands hereby declares that all pumps member of productfamilies CombiBloc CombiBlocHorti CombiChem CombiDirt CombiFlex U B CombiPrime H CombiLine CombiLineBloc CombiMag CombiMagBloc CombiNorm CombiPro M V CombiPrime V CombiSump CombiWell FRE FRES FREF FREM KGE L KGEF HCR MCH W S MCHZ W S MCV S PHA MDR whether delivered without drive last position of serial number B or delivered as an assembly with drive last position of serial number A are in conformity with the provisions of Directive 2006 42 EC as altered most recently and where applicable the following directives and standards EC directive 2006 95 EG Electric equipment for use within certain voltage limits standards EN ISO 12100 part 1 amp 2 EN 809 The pumps to which this declaration refers may only be put into operation after they have been installed in the way prescribed by the manufacturer and as the case may be after the complete system of which these pumps form part has been made to fulfi
9. dB Figure 45 Noise level of entire pump unit In order to determine the total noise level of the entire pump unit the noise level of the motor must be added to that of the pump This can be easily done by using the graph above Determine the noise level L1 of the pump see figure 43 or figure 44 Determine the noise level L2 of the motor see documentation of the motor Determine the difference between both levels L1 L2 Find the differential value on the L1 L2 axis and go up to the curve From the curve go left to the L dB axis and read out the value oar WN Add this value to the highest value of both noise levels L1 or L2 Example 1 Pump 75 dB motor 78 dB 2 75 78 3 dB 3 3 dB on the X axis 1 75 dB on the Y axis 4 Highest noise level 1 75 dB 78 1 75 79 75 dB CH EN 1111 5 3 Technical data 77 eX 78 Technical data CH EN 1111 5 8 CombiPrime H Index eX A Accessories 1 eee eee 20 Environmental influences 34 mounting aaa 21 26 Adjusting the air inlet valve 32 F Adjustment of the axial play 49 Faulls o e ex ts t 34 Application 1 aa aa an 14 Foundation aa aaa ann 17 Application area sese 15 G B Grease gg nda dt dv dr na dp c die 71 Back Pull Out system 38 Guarantee aaa ana 10 Back Pull Out unit Guard assembling aaa aaa aa 39 assembly 4 na ana esee nn 39 disassemblin
10. devices The variants have a special code which is stated in the type designation on the type plate on the pump Mechanical seal unbalanced shaft sleeve Lip seals hardened shaft sleeves Processing liquid tank and air inlet valve Float operated de aerator and air inlet valve Back Pull Out system The pumps are designed with a Back Pull Out system If the pump unit is designed with a spacer coupling just remove the spacer After that the bearing bracket with the entire rotating part can be removed This means that almost the whole pump can be dismantled without having to detach the suction and delivery piping The motor remains in its position If the pump unit does not have a spacer coupling the motor has to be removed from the foundation before disassembly Disassembling the guard 1 Loosen bolts 0960 See figure 20 2 Remove both jackets 0270 See figure 18 Disassembling the Back Pull Out unit Figure 17 Back Pull Out principle Mounted with spacer coupling Remove the spacer Else Remove the electric motor Disconnect the connections S P and W from the pump wheel casing Loosen the bracket support 0140 from the base plate see figure 17 Remove the Allen screws 0800 Pull the entire bearing bracket 2100 from the pump casing The entire bearing bracket of large pumps is very heavy Support it with a beam or hang it in a pulley sling a KON 6 Remove the coupling half from the pump sh
11. 1940 1890 1900 22249 PAL _ 1910 1920 1561 1880 1500 1510 Figure 35 Parts of shaft sealing group M4 Material Quantity Description G1 G2 G3 air wheel bronze self priming casing cast iron bronze pipe nipple P steel stainless steel elbow ductile cast iron stainless steel reducing nipple 1 stainless steel socket steel stainless steel Allen screw steel stainless steel key stainless steel shaft sleeve stainless steel with wearing layer O ring viton lip seal PTFE shaft sleeve stainless steel with wearing layer gasket gasket 1 1 1 1 1 1 5 1 1 1 5 1 1 1 1 Items 171 0 1720 1730 and 1740 only for the pump types with a nominal impeller diameter of 160 and 250 mm n 1500 1800 min CH EN 1111 5 3 Parts 65 eX 9 5 Parts of service liquid tank TL DETAIL 1650 1550 1400 1650 1540 1520 1520 1503 s 1650 1640 5 1630 Figure 36 Parts of service liquid tank TL 66 Parts CH EN 1111 5 3 CombiPrime H Quantity Description pipe nipple eX Material G3 stainless steel pipe stainless steel male connector stainless steel male connector steel stainless steel orifice stainless steel non return valve double nipple NBR brass ductile iron stainless steel stainless
12. 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 5 1 5 2 5 3 5 3 1 5 3 2 5 4 5 5 5 6 5 7 6 7 7 1 7 2 7 3 7 4 7 5 7 6 7 6 1 7 6 2 7 6 3 7 6 4 7 7 7 7 1 7 7 2 7 7 3 7 7 4 7 8 7 8 1 7 8 2 7 8 3 Indication of connections Installation examples with service liquid tank Vacuum pump with float controlled de aerator Mounting of accessories Connection diagram with float controlled de aerator Indication of connections Installation examples with float controlled de aerator Connection of the electric motor Combustion engine Safety Sense of rotation Commissioning Inspection of the pump Inspection vacuum pump part Inspection of the motor Checking the sense of rotation Start up Adjusting the air inlet valve Mechanical seal Pump in operation Noise Maintenance Daily maintenance Service liquid Shaft sealing Mechanical seal Lip seal Lubrication of the bearings Environmental influences Noise Faults Problem solving Disassembly and assembly Precautionary measures Special tools Liquid draining Item numbers Constructive variants Back Pull Out system Disassembling the guard Disassembling the Back Pull Out unit Assembling Back Pull Out unit Assembling the guard Replacing the impeller and the wear ring Disassembling the impeller Mounting the impeller Disassembling the vvear ring Assembling the vvear ring Shaft sealing Instructions for mounting a mechanical seal Disassembling a me
13. The starting device should automatically be disengaged after the engine has been started The maximum speed of the engine set by us should not be changed Before starting the engine check the oil level Sense of rotation The sense of rotation of combustion engine and pump is indicated by means of an arrow on the combustion engine and the pump casing Verify whether the sense of rotation of the combustion engine is the same as that of the pump 30 Installation CH EN 1111 5 3 CombiPrime H pa 4 4 Commissioning 4 1 Inspection of the pump Check whether the pump shaft turns freely Do this by turning the shaft end at the coupling a few times by hand 4 2 Inspection vacuum pump part 1 Check whether all piping between the pump wheel casing and the service liquid tank version TL or the float controlled de aerator version VL have been connected 2 Fil the service liquid tank or the float controlled de aerator with liquid and close them with plug 1690 or 3013 respectively 4 3 Inspection of the motor Pump driven by an electric motor Check whether the fuses have been mounted Pump driven by a combustion engine Check whether the room in which the engine is placed is well ventilated Check whether the exhaust of the engine is not obstructed Before starting the engine check the oil level Never run the engine in a closed room 4 4 Checking the sense of rotation A Beware of possible non screened rotati
14. min Va max figure 5 Alignment tolerances spacer coupling CH EN 1111 5 8 Installation 19 ex 3 5 3 6 Piping The piping to the suction and delivery connections must fit exactly and must not be subject to stress during operation For the maximum allowable forces and moments on the pump flanges see paragraph 10 4 Permissible forces and moments on the flanges The passage of the suction pipe must be amply dimensioned This pipe should be as short as possible and run towards the pump in such a way that no air pockets can arise If this is not possible a venting facility should be provided at the highest point of the pipe If the inside diameter of the suction pipe is larger than the suction connection of the pump an eccentric reducer should be applied to prevent air pockets and whirls See figure 6 Figure 6 Eccentric reducer to suction flange The maximum allowable system pressure is stated in paragraph 2 6 Application area If there is a risk that this pressure might be exceeded for instance because of an excessive inlet pressure appropriate measures should be taken by mounting a safety valve in the piping Sudden changes in the rate of flow can lead to high pressure impulses in the pump and the piping water shock Therefore do not use quick acting closing devices valves etc Accessories Fit any parts that may have been supplied separately It is recommended to always mount a check valve and a sh
15. moments 10 3 1 Tightening moments for bolts and nuts Materials 8 8 A2 A4 Thread Tightening moment Nm 10 3 2 Tightening moments for cap nut Sie T Tightening moment Nm M12 bearing group 1 43 M16 bearing group 2 105 M24 bearing group 3 220 CH EN 1111 5 8 Technical data 71 ex 10 4 Permissible forces and moments on the flanges Forces and moments acting on the pump flanges due to pipe loads can cause misalignment of the pump and driver shafts deformation and overstressing of the pump casing or overstressing of the fixing bolts between the pump and the base plate The maximum allowable forces and moments on the flanges should be based on the following maximum values for the lateral displacement of the shaft end relative to the fixed point in space pumps of bearing group 1 0 15 mm pumps of bearing group 2 0 20 mm pumps of bearing group 3 0 25 mm The values can be applied simultaneously in all directions with positive or negative signs or separately on each flange suction and discharge Figure 38 Coordinate system 72 Technical data CH EN 1111 5 3 CombiPrime H pa 4 Table 5 Permissible forces and moments on the flanges based on EN ISO 5199 Pump unit vvith a non grouted base plate Horizontal Pump End branch x Axis Horizontal Pump Top branch z Axis Moment N m Moment IN mi SM My IM 32 160 32 200 32 250 40 160
16. segments and one of these is the SPX Flow Technology segment SPX Flow Technology Assen B V is part of SPX Flow Technology segment SPX Flow Technology Assen B V P O Box 9 9400 AA Assen The Netherlands Tel 31 0 592 376767 Fax 31 0 592 376760 Copyright 2008 SPX Corporation INT EN 1107 1 1 3 eX 4 INT EN 1107 1 1 CombiPrime H Table of Contents eX 1 Introduction 9 1 1 Preface 9 1 2 Safety 9 1 3 Guarantee 10 1 4 Inspection of delivered items 10 1 5 Instructions for transport and storage 10 1 5 1 Dimensions and weight 10 1 5 2 Use of pallets 10 1 5 3 Hoisting 11 1 5 4 Storage 11 1 6 Ordering parts 12 2 General 13 2 1 Pump description 13 2 2 Type code 13 2 3 Serial number 14 2 4 Application 14 2 5 Construction 14 2 5 1 Pump casing impeller pump shaft 14 2 5 2 Shaft sealing 15 2 5 8 Self priming part 15 2 5 4 Bearing construction 15 2 6 Application area 15 2 7 Re use 15 2 8 Scrapping 15 3 Installation 17 3 1 Safety 17 3 2 Preservation 17 3 3 Environment 17 3 4 Mounting 18 3 4 1 Installation of a pump unit 18 3 4 2 Assembling a pump unit 18 3 4 3 Alignment of the coupling 18 3 4 4 Tolerances for aligning the coupling 19 3 5 Piping 20 3 6 Accessories 20 3 7 Vacuum pump with service liquid tank 21 3 7 1 Mounting of accessories 21 3 7 2 Connection diagram with service liquid tank 21 CHJEN 1111 5 8 5 ex 3 7 3 3 7 4 3 8 3 8 1 3 8 2 3 8 3 3 8 4 3 9 3 10 3 10 1 3 10 2
17. steel pipe stainless steel nut steel stainless steel nut stainless steel stainless steel NBR stainless steel bow stainless steel stainless steel bolt stainless steel float needle POM float washer stainless steel stainless steel split pin stainless steel O ring Viton plug long valve seat stainless steel stainless steel sealing ring gylon bottom stainless steel bow stainless steel short valve seat stainless steel SK ma po co pol pol pol pol po po col co pm KJ Sm m po me No a al a tie rod stainless steel A nut stainless steel If the delivery head is over 30 m throttling is applied in order to create a vacuum behind the air inlet valve CH EN 1111 5 3 Parts 69 eX 70 Parts CH EN 1111 5 3 CombiPrime H pa 4 10 Technical data 10 1 Recommended greases Recommended greases according to classification NLGI 2 Energrease LS EP 2 Black Pearl Grease EP 2 MultifaK EP 2 EXXONMOBIL Beacon EP 2 Moly EXXONMOBIL Mobilux EP 2 Moly Alvania RL2 LGMT 2 Total Lical EP 2 Quantity bearing gr 0 005 Outer diameter mm bearing width mm 10 2 Recommended locking liquids Locking liquid cap nut 1820 Loctite 243 wear ring 0130 Loctite 641 10 3 Tightening
18. the corresponding instruction to avoid this risk Useful instruction or tip for the user Items which require extra attention are shown in bold print This manual has been compiled by SPX with the utmost care Nevertheless SPX cannot guarantee the completeness of this information and therefore assumes no liability for possible deficiencies in this manual The buyer user shall at all times be responsible for testing the information and for taking any additional and or deviating safety measures SPX reserves the right to change safety instructions CH EN 1111 5 3 Introduction 9 ex 1 3 1 4 1 5 1 5 1 1 5 2 Guarantee SPX shall not be bound to any guarantee other than the guarantee accepted by SPX In particular SPX will not assume any liability for explicit and or implicit guarantees such as but not limited to the marketability and or suitability of the products supplied The guarantee will be cancelled immediately and legally if Service and or maintenance is not undertaken in strict accordance with the instructions The pump is not installed and operated in accordance with the instructions Necessary repairs are not undertaken by our personnel or are undertaken without our prior written permission Modifications are made to the products supplied without our prior written permission The spare parts used are not original SPX parts Additives or lubricants used are other than those prescribed
19. 00 100 250 243 432 322 322 100 315 209 447 337 337 100 400 209 449 389 289 125 250 243 432 322 322 125 315 209 447 337 337 125 400 209 449 389 389 150 315 150 400 132 209 449 389 389 E 305 200 200 109 243 432 322 322 305 n 2400 3600 min n 1450 2400 min Connections 209 Waste water drain 447 337 Rp12 337 De aeration Rp V O Inlet self priming pump Rp S SP Air intake line Rp12 P Outlet self priming pump Rp12 VV Inlet service liquid Rp SC Suction flange connection Rp12 60 Dimensions CH EN 1111 5 3 CombiPrime H pa 4 9 Parts 9 1 Ordering parts 9 1 1 Order form You can use the order form included in this manual for ordering parts When ordering parts always quote the following data 1 Your address 2 The quantity the item number and the description of the part 3 The pump number The pump number is stated on the label on the cover of this manual and on the type plate of the pump 4 In the event of different electric motor voltage you should state the correct voltage 9 1 2 Recommended spare parts Parts marked with a are recommended spare parts CH EN 1111 5 8 Parts 61 ex Pump parts 9 2 Ovec Orce Oc8C OvVIO Ocec OSS 092c O GL OCSE SI8cC
20. 295 32 160 32 200 32 250 40 160 40 200 40 250 50 160 50 200 50 250 65 160 65 200 65 250 65 315 80 160 80 200 80 250 80 315 80 400 100 125 100 160 100 200 100 250 100 315 100 400 125 250 125 315 125 400 150 315 150 400 200 200 52 Dimensions CH EN 1111 5 3 CombiPrime H 8 2 Dimensions pump and motor vvith standard coupling See figure 30 IEC motor 160 180 180 L M L sv CH EN 1111 5 8 Dimensions 53 IEC motor 160 180 180 LJM sv 712 200 200 x Base plate number Motor length based on DIN 42673 could be different due to applied motor make 54 Dimensions CH EN 1111 5 3 CombiPrime H 8 3 Dimensions pump and motor vvith spacer coupling See figure 30 IEC motor 160 180 180 L M L sv
21. 3 groups Furthermore the pumps have been standardized in 5 groups featuring the same connection for pump cover and bearing pedestal depending on the nominal impeller diameters The pump covers are clamped between the pump casing and bearing bracket Pump casing impeller pump shaft These are the parts that get into contact with the pumped liquid For each individual pump type there is only one design of the pump casing and the impeller The pump casing is available in cast iron and in bronze the impeller is available in cast iron bronze and aluminium bronze The pump shaft is available in alloyed and stainless steel With the available materials the pumps can be supplied in a construction suitable to pump sea water General CH EN 1111 5 3 CombiPrime H 2 5 2 Shaft sealing On both sides of the self priming part there is a mechanical seal or a number of lip seals Both are mounted on shaft sleeves which have been sealed in such a way that the pumped liquid cannot touch the pump shaft The mechanical seals meet EN 12756 DIN 24960 with the exception of the mounting length The lip seals are mounted on stainless steel shaft sleeves which have been provided with a hard chromium oxide wearing layer 2 5 3 Self priming part The self priming part consists of a built in vacuum pump which is working according to the liquid ring principle an air inlet valve with a check valve and a service liquid tank or float controlled air rel
22. Clean the filters regularly 28 Installation CH EN 1111 5 3 CombiPrime H Figure 15 Medium thin clean and slightly polluted liquids In case part of the suction pipe lies higher than the pump venting should also be provided in this part If the suction pipe is short or the lift in the suction pipe small venting at the highest point is not necessary However the suction time will be longer CH EN 1111 5 3 Installation 29 ex 3 10 3 10 1 3 10 2 Figure 16 Medium thin clean and slightly polluted liquids In case of long suction pipes 10 m or more and a high suction head 4 7 m also the suction pipe must be vented Connection of the electric motor The electric motor must be connected to the mains by an approved electrician according to the locally prevailing regulations of the electricity company Referto the instruction manual belonging to the electric motor f possible fit a working switch as close as possible to the pump Combustion engine Safety If the pump set is designed with a combustion engine the manual for the engine should be included in the delivery If the manual is missing we urgently request you to contact us immediately Irrespective of the manual the following points should be observed for all combustion engines Comply with the local safety regulations The exhaust of combustion gases must be screened off to prevent incidental contact
23. The products supplied are not used in accordance with their nature and or purpose The products supplied have been used amateurishly carelessly improperly and or negligently The products supplied become defective due to external circumstances beyond our control All parts which are liable to wear are excluded from guarantee Furthermore all deliveries are subject to our General conditions of delivery and payment which will be forwarded to you free of charge on request Inspection of delivered items Check the consignment immediately on arrival for damage and conformity with the advice note In case of damage and or missing parts have a report drawn up by the carrier at once Instructions for transport and storage Dimensions and weight A pump or a pump unit is generally too heavy to be moved by hand Therefore use the correct transport and lifting equipment Dimensions and weight of the pump or pump unit are shown on the label on the cover of this manual Use of pallets Usually a pump or pump unit is shipped on a pallet Leave it on the pallet as long as possible to avoid damages and to facilitate possible internal transport When using a forklift always set the forks as far apart as possible and lift the package with both forks to prevent it from toppling over Avoid jolting the pump when moving it Introduction CH EN 1111 5 3 CombiPrime H pa 4 1 5 3 Hoisting When hoisting a pump or complete pump unit
24. aft and remove the coupling key 2210 Unscrew bolts 0940 and remove the assembly plate 0275 from the adjusting bush 2240 See figure 21 38 Disassembly and assembly CH EN 1111 5 3 CombiPrime H 7 6 8 Assembling Back Pull Out unit 1 Fita new gasket 0300 into the pump casing and fit the entire bearing bracket back into the pump casing Tighten the Allen screws 0800 crosswise 2 Reconnect the connections S P and W to the pump wheel casing Fix the bearing support 0140 on the base plate Fit the assembly plate 0275 to the adjusting bush 2240 with bolts 0940 See figure 21 Fit the coupling key 2210 and fit the coupling half onto the pump shaft Place the motor back in its place or fit the spacer of the spacer coupling 7 Check the alignment of pump and motor shaft see paragraph 3 4 3 Alignment of the coupling If necessary realign 7 6 4 Assembling the guard 1 Fitthe jacket 0270 at motor side The annular groove must be located at motor side Figure 18 Fitting the jacket at motor side 2 Place the assembly plate 0280 over the motor shaft and fit it into the annular groove of the jacket 4701 0270 0280 Figure 19 Fitting the assembly plate at motor side CH EN 1111 5 3 Disassembly and assembly 39 ex 3 Close the jacket and fit bolt 0960 See figure 20 0960 0970 0980 0990 Figure 20 Fitting jacket 4 Mount the jacket 0270 at pump side Place it ov
25. air inlet valve the valve is adjusted as follows 1 When the suction phase is over and the centrifugal pump maintains the liquid flow on its own the pump will start making a crackling noise 2 Slowly open the air inlet valve until the crackling stops Leave the valve in this position and secure it with a lock nut The valve is now properly adjusted Provided the system conditions do not change the pump can be reconnected after a break without having to readjust the valve Mechanical seal A mechanical seal nor the lip seals may never show any visible leakage Pump in operation When the pump is in operation pay attention to the following The pump may never run without liquid in the service liquid tank or the float controlled de aerator Never use a stop valve in the suction line to control pump output The stop valve should always be fully opened during operation Check whether the absolute inlet pressure is sufficient to prevent vaporization in the pump Check whether the pressure difference between suction and delivery side corresponds with the specifications of the pump s duty point Noise The noise production of a pump depends to a great extent on the operating conditions The values stated in paragraph 10 7 Noise data are based on normal operation of the pump driven by an electric motor In case the pump is driven by a combustion engine or in case it is used outside the normal operation area as well as in ca
26. arings should enter straight into the bearing bracket 9 Mount the bearing cover 2110 and the splash ring 2220 10 Mount the set screws 1930 and the Allen screws 2810 and adjust the axial play as described in paragraph 7 10 Adjustment of the axial play 11 Mount the self priming part and the impeller as described in paragraph 7 8 Shaft sealing and paragraph 7 7 2 Mounting the impeller 48 Disassembly and assembly CH EN 1111 5 3 CombiPrime H eX 7 10 Adjustment of the axial play After repairs to the pump the axial play of the pump wheel has to be adjusted This play should be the same on both sides To adjust the play proceed as follows see figure 28 NI ZASS Ay A SSS Mai Figure 28 Adjustment of the axial play 1 2 o o Oo Loosen the set screws 1930 Tighten the Allen screws 2810 crosswise The adjusting bush 2240 with the bearing pump shaft and pump wheel is shifting to the left Turn the pump shaft by hand whilst tightening the screws Tighten the Allen screws until you feel that the pump wheel starts to drag Screw the set screws 1930 sofar into the adjusting bush 2240 until they are just touching the bearing bracket Then loosen the Allen screws 2810 again Re tighten the set screws 1930 crosswise whilst turning the pump shaft by hand Count the number of turns you can give the set screws until the pump wheel starts to turn Then
27. bling of the lip seals M4 1720 0110 1950 1905 1940 1890 1900 Ia LECT 1910 1920 1361 1880 1500 1510 Figure 26 Lip seal M4 The item numbers used are referring to figure 26 Remove the impeller see paragraph 7 7 1 Disassembling the impeller Mark the position of the pump cover 0110 in relation to the bearing bracket 2100 Loosen the Allen screws 1880 Push the cover of the pump wheel casing 1510 backward a KO N Knock the pump cover loose and push it off the pump shaft Remove the tabbed sealing rings 1910 Pull the shaft sleeve 1900 from the pump shaft and remove the O ring 1905 Oo Pull the pump wheel 1500 from the pump shaft and remove the sunk key 1890 8 Slide the cover of the pump wheel casing 1510 off the pump shaft and remove the tabbed sealing rings 9 Remove the gasket 1361 10 Pull the shaft sleeve 1920 from the pump shaft 11 Remove the gasket 1950 from the pump shaft CH EN 1111 5 3 Disassembly and assembly 45 ex 7 8 6 Assembling of the lip seals M4 1 a KO N 9 Check the shaft sleeves 1900 and 1920 and the splash ring 2220 for damages Also the splash ring should clasp the shaft properly If necessary replace these parts Place the bearing bracket vvith the shaft upright Mount the gasket 1950 around the pump shaft Slide the cover of the pump wheel casing 1510 onto the
28. chanical seal M2 Assembling of the mechanical seals M2 21 22 26 26 26 26 27 30 30 30 30 31 31 31 31 31 32 32 32 32 32 33 33 33 33 33 33 33 34 34 34 35 37 37 37 37 37 38 38 38 38 39 39 41 41 41 42 42 43 43 43 44 CH EN 1111 5 3 CombiPrime H eX 7 8 4 Instructions for mounting a lip seal 44 7 8 5 Disassembling of the lip seals M4 45 7 8 6 Assembling of the lip seals M4 46 7 9 Bearing 47 7 9 1 Disassembly of bearings and pump shaft 47 7 9 2 Assembly of bearings and pump shaft 48 7 10 Adjustment of the axial play 49 8 Dimensions 51 8 1 Dimensions pump 52 8 2 Dimensions pump and motor with standard coupling 53 8 3 Dimensions pump and motor with spacer coupling 55 8 4 Dimensions base plate 56 8 5 Dimensions pump with service liquid tank 57 8 6 Dimensions pump with float de aerator 59 9 Parts 61 9 1 Ordering parts 61 9 1 1 Order form 61 9 1 2 Recommended spare parts 61 9 2 Pump parts 62 9 3 Parts of shaft sealing group M2 64 9 4 Parts of shaft sealing group M4 65 9 5 Parts of service liquid tank TL 66 9 6 Parts of float de aerator VL 68 10 Technical data 71 10 1 Recommended greases 71 10 2 Recommended locking liquids 71 10 3 Tightening moments 71 10 3 1 Tightening moments for bolts and nuts 71 10 3 2 Tightening moments for cap nut 71 10 4 Permissible forces and moments on the flanges 72 10 5 Maximum allowable working pressures 73 10 6 Hydraulic performance 74 10 7 No
29. d as follows 1 Switch off the power supply to the pump unit Lock the working switch with a padlock or remove the fuse In case of a combustion engine switch off the engine and close the fuel supply to the engine Close the stop valves Determine the nature of the fault Try to determine the cause of the fault with chapter 6 Problem solving and take the appropriate measures or contact your installer 34 Maintenance CH EN 1111 5 3 CombiPrime H pa 4 6 Problem solving Faults in a pump installation can have various causes The fault may not be in the pump it may also be caused by the pipe system or the operating conditions Firstly always check that installation has been executed in accordance vvith the instructions in this manual and that the operating conditions still correspond with the specifications for which the pump vvas purchased In general breakdowns in a pump installation are attributable to the following causes Faults with the pump Breakdowns or faults in the pipe system Faults due to incorrect installation or commissioning Faults due to incorrect choice of pump A number of the most frequently occurring failures as well as their possible causes are shown in the table below Table 3 Most frequently occurring failures Most common faults Possible causes see Table 4 Pump delivers no liquid 148910111314 17 19 20 21 29 2348910111314 15 17 19 2021 28 29 44 Pump has insufficient
30. ded to scrap a pump the same procedure as for paragraph 2 7 Re use should be followed CH EN 1111 5 3 General 15 eX 16 General CH EN 1111 5 3 CombiPrime H 3 3 1 3 2 3 3 eX Installation Safety Read this manual carefully prior to installation and commissioning Non observance of these instructions can result in serious damage to the pump and this will not be covered under the terms of our guarantee Follow the instructions given step by step Ensure that the pump can not be started if work has to be undertaken to the pump during installation and the rotating parts are insufficiently guarded Depending on the design the pumps are suitable for liquids with a temperature of up to 80 C When installing the pump unit to work at 70 C and above the user should ensure that appropriate protection measures and warnings are fitted to prevent contact with the hot pump parts If there is danger of static electricity the entire pump unit must be earthed If the pumped liquid is harmful to men or the environment take appropriate measures to drain the pump safely Possible leakage liquid from the shaft seal should also be discharged safely Preservation In order to prevent corrosion the inside of the pump is treated with a preserving agent before leaving the factory Before commissioning the pump remove any preserving agents and flush the pump thoroughly with hot water Environment The foundation mus
31. disassembly work requires no special tools However such tools can make certain jobs easier for instance replacing the shaft seal If such is the case it will be indicated in the text 7 3 Liquid draining Make sure no liquid or oil gets into the environment Before starting any disassembly the pump should be drained 1 If necessary close the valves in the suction and delivery pipe and in the flushing or cooling supply lines to the shaft seal Also drain the self priming section by disconnecting the piping P S and W Remove the drain plug 0310 If harmful liquids are pumped wear protective gloves shoes glasses etc and thoroughly flush the pump 4 Refit the drain plug AN If possible wear protective gloves Regular contact with oil products may result in allergic reactions 7 4 Item numbers If no specific figure numbers are stated then the item numbers used in these instructions refer to the cross section drawings and parts lists which can be found in chapter 9 Parts The connection markings P S and W on the self priming section are explained in paragraph 3 7 3 Indication of connections for the Service liquid tank configuration TL or paragraph 3 8 3 Indication of connections for the Float Deaerator configuration VL CH EN 1111 5 3 Disassembly and assembly 37 ex 7 5 7 6 7 6 1 7 6 2 Constructive variants The pumps can be supplied in 2 constructive variants and with 2 processing liquid
32. er the present jacket at motor side The annular groove must be located at pump side Figure 21 Fitting the jacket at pump side 5 Close the jacket and fit bolt 0960 See figure 20 6 Slide the jacket at motor side towards the motor as far as possible Fix both jackets with bolt 0960 Figure 22 Adjusting the jacket at motor side 40 Disassembly and assembly CH EN 1111 5 3 CombiPrime H 7 7 Replacing the impeller and the wear ring The play between the impeller and the wear ring is 0 3 mm to the diameter at delivery In case the play has increased to 0 5 0 7 mm due to wear the impeller and the wear ring should be replaced Disassembling the impeller N 0110 Fl N 0120 N DEN NI rr M2 1860 Fe 2m 1820 BRENNEN LELI AU KEK Ky 1340 IZ M4 Figuur 23 Disassembling the impeller The item numbers used are referring to figure 23 1 Remove the Back Pull Out unit see paragraph 7 6 2 Disassembling the Back Pull Out unit 2 Remove the cap nut 1820 and the gasket 1340 Sometimes the nut has to be heated to break the Loctite contact 3 Remove the impeller 0120 with a pulley puller or wrest the impeller by inserting for instance 2 big screwdrivers between the impeller and the stuffing box cover 0110 4 Remove the impeller key 1860 5 Remove the gasket 1940 Mounting the impeller Fit the gasket 1940 Place the impeller key 1860 in the key way of the pump shaft Pus
33. f the mechanical seal from the shaft sleeve Bearing group 3 only Remove gasket 1940 Mark the position of the pump cover 0110 in relation to the bearing bracket 2100 Loosen the Allen screws 1880 Push the cover of the pump wheel casing 1510 backward CH EN 1111 5 3 Disassembly and assembly 43 ex 7 8 3 7 8 4 6 Knockthe pump cover loose and push it off the pump shaft Press the counter ring of the mechanical seal out of it Pull the pump wheel 1500 from the pump shaft and remove the key 1890 8 Pull the shaft sleeve 1900 from the pump shaft and remove the rotating part of the mechanical seal from the shaft sleeve Bearing group 3 only Remove gasket 1940 9 Push the cover of the pump wheel casing 1510 off the pump shaft and press the counter ring out 10 Remove gasket 1361 11 Remove O rings 1905 out of the shaft sleeves 1900 Assembling of the mechanical seals M2 1 Ensure the shaft sleeve 1900 and the splash ring 2220 are undamaged The splash ring should also clasp the pump shaft properly If necessary replace these parts Place the bearing bracket with the shaft upright Put the cover of the pump wheel casing 1510 and the pump cover 01 10 flat down and press the counter ring of the seal straight into it If necessary use a plastic pressure piece Never hammer it inside The maximum axial turn of the counter ring is 0 1 mm 4 Putsome glycerine or silicon spray on the O
34. float de aerator air inlet valve CH EN 1111 5 3 General 13 ex 2 3 2 4 2 5 2 5 1 Serial number Serial number of the pump or pump unit are shown on the name plate off the pump and on the label on the cover of this manual Example 01 1000675A 01 year of manufacture 100067 unique number number of pumps pump vvith motor pump vvith free shaft end Application In general this pump can be used for thin clean or slightly polluted liquids These liquids should not affect the pump materials The maximum allowed system pressure and temperature and the maximum speed depend on the pump type and the pump construction For relevant data see paragraph 2 6 Application area Further details about the application possibilities of your specific pump are mentioned in the order confirmation and or in the data sheet enclosed with the delivery Do not use the pump for purposes other than those for which it is delivered without prior consultation with your supplier Using a pump in a system or under system conditions liquid working pressure temperature etc for which it has not been designed may hazard the user Construction The pump has a modular design The main components Pump casing impeller pump shaft Shaft seal Self priming unit Bearing The CombiPrime H pumps are available in 3 bearing bracket groups meaning that bearing and shaft sealing are divided into
35. g aa aaa RENEE Rs 38 disassembling sse 38 Bearing 4 sin sti va uns gx iak 47 Bearing groups aa aaa 14 H Bearings Hoisting iiis n 11 assembly ce pre ER data 48 I C Impeller Combustion engine 005 30 disassembling sse 41 safely serores Mee aids ER RER fe ea 30 mounting aa aaa eee 41 sense of rotation 30 replacing ie xe Rr ERE 41 Construction serieei ienei eeN 14 Inspection bearing construction 15 Inolor s Q s d God h h h genes 81 impeller 22r 14 pulp s s aspe Ee dedans 31 pumpcasing aa aa 14 vacuum pump part 31 self priming part c 15 shaft sealing aa aaa ann 15 L Construction variants 38 Lifting eye sen n RR s 11 Coupling Lip seals alignment aa an 18 assembling lees 46 alignment tolerances 19 assembly instructions 44 disassembling sse 45 D Liquid draining aa aaa aa ann 37 Daily maintenance aaa 33 Lubrication of the bearings 33 E M SP 17 Maintenance Electric motor lip seal s vii d vd adm Rx 33 connection aa eee eee eee 30 mechanical seal 33 Environment 1 aa aaa eee eee eee 17 Maintenance staff aa ana 00 eee 9 CHJEN 1111 5 3 79 ex Max allowable working pressure 73 Mechanical seal suus 32 assembling aa an 44 assembly instruction
36. gure 27 Bearing The item numbers used are referring to figure 27 1 Remove the impeller and the shaft seal see paragraph 7 7 1 Disassembling the impeller and paragraph 7 8 2 Disassembling a mechanical seal M2 paragraph 7 8 5 Disassembling of the lip seals M4 Remove the coupling guard see paragraph 7 6 1 Disassembling the guard Remove the splash ring 2220 Remove the Allen screws 2810 and the bearing cover 2110 Knock at the impeller side of the pump shaft 2200 until the adjusting bush 2240 with the bearings 2260 comes out of the bearing bracket Use a plastic hammer so as to avoid damage to the thread Remove the pump shaft with the bearings from the bearing bracket a A WON Remove the coupling with a coupling puller and remove the coupling key 2210 Loosen bolts 0940 and remove the assembly plate 0275 Remove the inner circlip 2300 and pull the adjusting bush 2240 off the bearings o o Oo Remove the outer circlip 2360 and the adjusting ring 2340 and pull the bearings from the pump shaft with a suitable puller If such a puller is not available knock the inner raceway of the bearing carefully Use a normal hammer and a soft metal drift Never knock with a hammer directly on the bearing 10 Remove the Nilos rings 2310 and 2320 CH EN 1111 5 3 Disassembly and assembly 47 eX 7 9 2 Assembly of bearings and pump shaft Make sure your working environment is clean and leave t
37. h the impeller onto the pump shaft Degrease the thread on the pump shaft and the thread in the cap nut Fit the gasket 1340 Put a drop of Loctite 243 on the thread and fit the cap nut For tightening moment of the nut see paragraph 10 3 2 Tightening moments for cap nut 7 Fit the Back Pull Out unit see paragraph 7 6 3 Assembling Back Pull Out unit oa KODIN CH EN 1111 5 3 Disassembly and assembly 41 oOx 7 7 3 Disassembling the wear ring This only concerns bearing groups 2 and 3 except for types 40 250 and 50 250 After removing the Back Pull Out unit see paragraph 7 6 2 Disassembling the Back Pull Out unit the wear ring can be removed In most cases the ring has been fixed so tightly that it cannot be removed undamaged k C D Figure 24 Removal of wear ring 1 Measure the thickness d and the width b of the ring see figure 24 A 2 Make a centre hole in the middle of the edge of the ring at two opposite points see figure 24 B 3 Use a drill with a diameter just a little bit smaller than the thickness d of the ring and drill two holes in the ring see figure 24 C Don t drill deeper than the width b of the ring Take care not to damage the fitting edge of the pump casing 4 Use a chisel to cut the remaining part of the ring thickness Now you can remove the ring in two parts from the pump casing see figure 24 D 5 Clean the pump casing and carefully remove all bore dust and me
38. he bearings in their original packing until you are ready to mount them 1 Clean the interior of the bearing bracket properly 2 Mount the Nilos rings 2310 and 2320 on the pump shaft Make sure the Nilos rings are positioned properly 3 If possible preheat the bearings to 90 C before mounting them on the pump shaft The oylindrical bearing 2250 is to be mounted on the impeller side The two angular contact bearings are mounted on the driving side in O arrangement Make sure all bearings are mounted straight on the pump shaft If preheating is not possible never knock directly on the bearing Use a mounting bush which is positioned against the inner raceway of the bearing and a normal hammer A soft hammer may loose splinters which might damage the bearing 4 Mount the adjusting ring 2340 and mount the outer circlip 2360 5 Grease the bearings See paragraph 10 1 Recommended greases for recommended grease types 6 Press the adjusting bush 2240 over the two angular contact bearings and place the inner circlip 2300 in the adjusting bush Make sure the inner circlip falls into the groove 7 Mountthe shaft with the bearings into the bearing bracket from the motor side Knock the shaft end on the coupling side until the first bearing 2250 slides through the bearing boring 8 Carefully knock the shaft further into the bearing bracket until the adjusting bush 2240 is completely inside the bearing block The shaft with the be
39. he motor to obtain a gap of 3 mm between both coupling halves 5 Place copper shims under the feet of the electric motor Fix the electric motor to the base plate 6 Align the coupling in accordance with the following instructions 3 4 3 Alignment of the coupling 1 Place a ruler A on the coupling Place or remove as many copper shims as is necessary to bring the electric motor to the correct height so that the straight edge touches both coupling halves over the entire length see figure 3 Figure 3 Aligning the coupling by means of a ruler and a pair of outside calipers 2 Repeat the same check on both sides of the coupling at the height of the shaft Move the electric motor so that the straight edge touches both coupling halves over the entire length Installation CH EN 1111 5 3 CombiPrime H 3 Check the alignment once again using a pair of external callipers B at 2 diametrical opposite points on the sides of the coupling halves see figure 3 4 Fitthe guard See paragraph 7 6 4 Assembling the guard 3 4 4 Tolerances for aligning the coupling The maximum allowable tolerances for the alignment of the coupling halves are shown in Table 2 See also figure 4 Table 2 Alignment tolerances External diameter of Vv coupling mm min mm max mm Vr max mm coupling with spacer Va min T Va max Figure 4 Alignment tolerances standard coupling Va
40. head 2413 14 17 19 28 29 Pump stops after start up 189 10 11 Pump has higher power consumption than 12 15 16 17 18 22 23 24 25 26 27 32 normal 34 38 39 Pump has lower power consumption than normal Pump has insufficient volume flow 3 14 15 16 17 18 20 21 28 29 44 Mechanical seals have to be replaced to 23 25 26 30 32 33 34 often 91011 15 18 19 20 22 23 24 25 26 27 29 37 38 39 40 43 Bearings wear too much or become hot 23 24 25 26 27 37 38 39 40 42 Pump running rough hot or seizes 23 24 25 26 27 34 37 38 39 40 42 Pump vibrates or is noisy CH EN 1111 5 8 Problem solving 35 ex Table 4 Possible causes of pump failures Possible causes Service liquid tank or float de aerator not filled with liquid Gas or air coming from the liquid Air lock in the suction pipe Air leak in the suction pipe The manometric suction head is too high Suction pipe or suction strainer is blocked Insufficient immersion of foot valve or suction pipe during operation of the pump NPSH available too low Speed too high Speed too low Wrong sense of rotation Pump does not operate at the right duty point Liquid density differs from the calculated liquid density Liquid viscosity differs from the calculated liquid viscosity Pump operates when the liquid flow is too low Wrong pump selection Obstruction in impeller or pump casing Obstruction in the pip
41. hind the impeller Indications used in figure 12 through figure 16 De aeration Overflow Inlet vacuum pump Exhaust pipe Outlet vacuum pump Service liquid Pump connection air extraction connection centrifugal pump Filter in exhaust pipe only in figure 14 Suction flange connection 1 Float controlled de aerator 2 Vacuum pump 5 Check valve 6 Air inlet valve 26 Installation CH EN 1111 5 3 eX CombiPrime H 3 8 4 Installation examples with float controlled de aerator For a few situations is shown how pumps with a float controlled de aerator can be installed The excess service liquid is always returned to the suction pipe hj Y r TP si LT LEILA LL IA TA RE ITI Figure 13 Medium thin clean and slightly polluted liquids CH EN 1111 5 8 Installation 27 ex Figure 14 Medium thin liquids polluted with highly abrasive matter The back blades on the centrifugal impeller prevent heavy abrasive matter from getting into the suction space behind the impeller To prevent floating abrasive matter from penetrating the pump mount a filter in the suction pipe The straining capacity of the filter should correspond with the nature of the pollutant If necessary mount several fillers with different sieve sizes behind each other Use at least one filter with Rp 3 4 connections and a sieve size of 0 6 mm
42. ief valve The vacuum pump part is mounted on the pump shaft but works separately from the centrifugal pump The service liquid which is supplied to the hub section of the vacuum pump has to maintain the liquid ring Apart from that it also serves for cooling and lubrication of the vacuum pump and the shaft seals 2 5 4 Bearing construction The bearing construction consists of 2 angular contact ball bearings combined with a cylindrical bearing The bearings are grease lubricated The angular contact bearings are mounted in a adjusting sleeve with which the entire pump shaft can be shifted in order to adjust the axial tolerance of the pump wheel 2 6 Application area The application area globally looks as follows Table 1 Application area Maximum value Capacity Discharge head System pressure Temperature However the maximum allowable pressures and temperatures depend strongly on the selected materials and components Also working conditions may cause differences 2 7 Re use The pump may only be used for other applications after prior consultation with SPX or your supplier Since the lastly pumped medium is not always known the following instructions should be observed Flush the pump properly Make sure the flushing liquid is discharged safely environment A Take adequate precautions and use the appropriate personal protection means rubber gloves spectacles 2 8 Scrapping If it has been deci
43. ing Wrong installation of the pump unit Pump and motor not well aligned Rotating part running out of true Imbalance in rotating parts for instance impeller or coupling Pump shaft is running out of true Bearings faulty or worn out Wear ring faulty or worn out Damaged impeller Seal faces of the mechanical seal are worn out or damaged Bad mounting of the mechanical seals or of the lip seals Mechanical seals or lip seals not suitable for the pumped liquid or operation circumstances Pump wheel cover not perpendicularly mounted Axial retaining of impeller or pump shaft is defective The bearings have been mounted wrongly Too much or too little bearing lubrication Wrong or polluted lubricant Too high axial force because of worn dorsal blades or excessive inlet pressure Air inlet valve closed Air inlet valve opened too much 36 Problem solving CH EN 1111 5 8 CombiPrime H gt 7 Disassembly and assembly 7 1 Precautionary measures AN Take adequate measures to avoid that the motor is started while you are working on the pump This is especially important for electric motors with remote control Switch the operating switch near the pump if available to OFF Switch off the pump switch on the switchboard f necessary remove the fuses Hang a danger board near the switchboard cabinet 7 2 Special tools Assembly and
44. ise data 76 10 7 1 Pump noise as a function of pump power 76 10 7 2 Noise level of entire pump unit 77 Index 79 Order form for spare parts 81 CHJEN 1111 5 8 7 eX 8 CH EN 1111 5 3 CombiPrime H pa 4 1 Introduction 1 1 Preface This manual is intended for technicians and maintenance staff and for those who are in charge of ordering spare parts This manual contains important and useful information for the proper operation and maintenance of this pump It also contains important instructions to prevent potential accidents and damage and to ensure safe and fault free operation of this pump Read this manual carefully before commissioning the pump familiarize yourself with the operation of the pump and strictly obey the instructions The data published here comply with the most recent information at the time of going to press However they may be subject to later modifications SPX reserves the right to change the construction and design of the products at any time without being obliged to change earlier deliveries accordingly 1 2 Safety This manual contains instructions for working safely with the pump Operators and maintenance staff must be familiar with these instructions Below is a list of the symbols used for those instructions and their meaning Personal danger for the user Strict and prompt observance of the corresponding instruction is imperative Risk of damage or poor operation of the pump Follow
45. l the requirements of Directive 2006 42 EC as altered most recently Declaration of incorporation Directive 2006 42 EC appendix II B Manufacturer SPX Flow Technology Assen B V Dr A F Philipsweg 51 9403 AD Assen The Netherlands hereby declares that the partly completed pump Back Pull Out unit member of productfamilies CombiBloc CombiBlocHorti CombiChem CombiDirt CombiFlex U B CombiPrime H CombiLine CombiLineBloc CombiMag CombiMagBloc CombiNorm CombiPro M V CombiPrime V FRE FRES FREF FREM KGE L KGEF HCR PHA MDR is in conformity with the following standards EN SO 12100 parts 1 amp 2 EN 809 and that this partly completed pump is meant to be incorporated into the specified pump unit and may only be put into use after the complete machine of which the pump under consideration forms part has been made and declared to comply with that directive Assen January 1st 201 1 G A Schaafsma General Manager EC EN 1107 5 3 eX 2 ECJEN 1107 5 3 eX Instruction manual All technical and technological information in this manual as well as possible drawings made available by us remain our property and shall not be used otherwise than for the operation of this pump copied duplicated made available to or brought to the notice of third parties without our prior written consent SPX is a Fortune 500 global multi industry manufacturing leader SPX divides its business into four
46. loosen the set screws again by half of the number of tightening turns Now tighten the Allen screws 2810 properly crosswise Verify that all 4 set screws are fixed tightly Verify that the pump shaft can be turned easily gt If you wish you can use a clock gauge instead of counting the number of tightening turns of the screws Determine the position of the shaft end in the two extreme positions of the shaft Then adjust the shaft end right in the middle of the measured values CH EN 1111 5 3 Disassembly and assembly 49 eX 50 Disassembly and assembly CH EN 1111 5 3 CombiPrime H pa 4 8 Dimensions DIN 748 Ny h9 etw 5 o Fe 5 o N g NEM o o jo O O 3 vd a 120 pese I vb i E da e NE Figure 29 Pump dimensions VON Do E T fd Figure 30 Dimensions pump electric motor with spacer coupling or standard coupling insert CH EN 1111 5 3 Dimensions 51 8 1 Dimensions pump See figure 29 ISO 7005 PN16 aa ab ac ad ae af ag ah ai ak aj al am an ISO 7005 EN 1092 2 ISO 7005 PN10 ae af ag ah 295 240 340 285 295
47. n The CombiPrime H is a range of horizontal self priming centrifugal pumps Hydraulic application area complies with EN 733 DIN 24255 Flange dimensions bolt circle and number of holes comply with ISO 7005 PN10 DIN 2532 ND10 The CombiPrime H is characterized by the built in vacuum pump Thus it is possible to pump fluids mixed with air gas or only air during the suction phase The built in vacuum pump is based on the liquid ring principle The pump is driven by a standard IEC foot motor The power is transmitted through a flexible coupling Because of their modular lay out constructional components are widely interchangeable also with other pump types of the Combi system 2 2 Type code Pumps are available in various designs The main characteristics of the pump are shown in the type code Example CH 40 200 B2 M2 TL Pump family CombiPrime H Pump size diameter discharge connection mm nominal impeller diameter mm Pump casing pump cover and impeller material pump casing pump cover cast iron impeller cast iron pump casing pump cover cast iron impeller bronze pump casing pump cover cast iron impeller alum bronze pump casing pump cover bronze impeller bronze pump casing pump cover bronze impeller alum bronze Shaft sealing mechanical seals on shaft sleeves tab ring seals on shaft sleeves De aerating unit works liquid receiver air inlet valve
48. ng parts when checking the sense of rotation 1 The sense of rotation of the pump is indicated by an arrow Check whether the sense of rotation of the motor corresponds with that of the pump Let the motor run for only a short time and check the sense of rotation If the sense of rotation is not correct alter the sense of rotation See the instructions in the user manual belonging to the electric motor 4 Fit the guard CH EN 1111 5 3 Commissioning 31 ex 4 5 4 6 4 7 4 8 4 9 Start up Proceed as follows both when the pump is put into operation for the first time and when it is re mounted after repairs 1 Close the air inlet valve 1650 2 Fully open the stop valve in the suction pipe Close the delivery stop valve 3 Start the pump 4 As soon as the pump is under pressure slowly open the delivery stop valve until the working pressure is attained Make sure that when a pump is running rotating parts are always properly screened off by the guard Adjusting the air inlet valve The air inlet valve 1650 serves to admit small quantities of air into the self priming system The vacuum pump has been designed to pump a large quantity of air After the suction phase the vacuum pump functions as liquid pump However in principle it is not designed to only pump liquid By adding a small quantity of air through the air inlet valve itis possible to avoid problems After the pump has been started with closed
49. pump shaft Mount a lip seal on both ends of the shaft sleeve The pointing direction of the tab should be opposite to the sliding direction Shaft sleeve 1900 will have 2 lip seals shaft sleeve 1920 will have 3 When being mounted the lip seals and the space between them both must be filled with grease Slide the shaft sleeve 1920 onto the pump shaft Mount the sunk key 1890 in the pump shaft and slide the pump wheel casing 1500 onto the pump shaft Mount the pump cover 0110 in the right position in the fitting edge of the bearing bracket Check the position of the pump cover It should be at right angles to the pump shaft Mount the gasket 1361 between the pump cover and the pump wheel casing 10 Mount the cover of the pump wheel casing 1510 against the pump cover Watch the position in view of the place for the connections Tighten the Allen screws 1880 crosswise The cover should not be oblique 11 Mount the O ring 1905 into the shaft sleeve 1900 and slide the shaft sleeve onto the pump shaft 12 Fit the impeller and the other parts see paragraph 7 7 2 Mounting the impeller 46 Disassembly and assembly CH EN 1111 5 3 CombiPrime H pa 4 7 9 Bearing 7 9 1 Disassembly of bearings and pump shaft 2250 2310 2320 2300 2260 N 2110 NOS ss ee A 2810 i N NNNAN eere ge 2240 2220 ZEN NN a HHA WAS 2210 se a DH LOLs NA PA H 2810 SN mr Ee AN 2340 2360 Fi
50. ring to a minimum When the lip seals are leaking they have to be replaced 5 4 Lubrication of the bearings The bearings requires re greasing after every 1000 hours of operation The bearings are filled with grease during assembly In case the pump is overhauled the bearing bracket and the bearings have to be cleaned and provided with new grease For recommended greases and quantities see paragraph 10 1 Recommended greases CH EN 1111 5 3 Maintenance 33 ex 5 5 5 6 Environmental influences Regularly clean the filter in the suction pipe or the suction strainer at the bottom of the suction pipe as the inlet pressure may become too low if the filter or the suction strainer is fouled If there is a risk that the pumped liquid expands during solidification or freezing the pump has to be drained and if necessary flushed after it has been put out of service If the pump is out of service for a long time it has to be preserved Noise If a pump starts making noise this may point to certain problems with the pump unit A crackling noise can indicate cavitation or excessive motor noise can indicate deterioration of the bearings Faults The pump of which you want to determine the fault may be hot or under pressure Take the appropriate precautions first and protect yourself vvith the proper safety devices safety goggles gloves protective clothing To determine the source of the malfunctioning of the pump procee
51. rings and mount the O rings into the shaft sleeves Push the cover of the pump wheel casing 1510 over the pump shaft Wet the clean shaft sleeve with some low surface tension water add detergent feed the bellows with a slight twist in clockwise direction onto the shaft sleeve Use no oil or grease Apply pressure only on the corner rings Push a shaft sleeve 1900 on the pump shaft Bearing group 3 only Fit a new gasket 1940 Place the key 1890 in the pump shaft and push the pump wheel 1500 over the pump shaft 10 Mount the gasket 1361 11 Mount the pump cover 0110 in the right position into the fitting edge of the bearing bracket Check whether the pump cover is at right angles to the pump shaft 12 Mount the cover of the pump wheel casing 1510 against the pump cover Watch its position in view of the connections Tighten the Allen screws 1880 crosswise The cover should not be oblique 13 Push the other shaft sleeve 1900 on the pump shaft 14 Bearing group 3 only Fit a new gasket 1940 15 Fit the impeller and other parts see paragraph 7 7 2 Mounting the impeller Instructions for mounting a lip seal Alip seal is a fragile precision instrument Leave the seal in its original packing until you are ready to fit it Clean all receiving parts properly Make sure your hands and working environment are clean 44 Disassembly and assembly CH EN 1111 5 3 CombiPrime H pa 4 7 8 5 Disassem
52. s 43 disassembling ss 43 Monitoring 1 aaa aaa RER ERE ERR RK 32 N NOISE g s ce n p e e Re ec 32 34 O Operational range aaas 74 P Pallets se e r r 10 Permissible forces on flanges 72 Permissible torques on flanges 72 Piping ssi n Rr RR 20 Precautionary measures ls ss 37 Pump description aa aaa ana 13 Pump shaft assembly e 48 Pump unit assembly ne ci sans nesh 18 installation aa aa ana 18 R Recommended greases 71 Recommended locking liquid 71 Re use li isa e b RE d 15 S Safety exer eta eto M Eee 9 17 symbols asi sai et isa irn nn 9 Scrapping aa 15 Sense of rotation nai aa sinan 31 Serial number 1 aaa aaa ann 14 Service liquid aa aaa 33 Shaft sealing ada 43 Special tools ia aa aaa aaa 37 Start p exu us en e e is 32 Static electricity 00000 17 Storage ix exe s 10 11 T Technicians aa aa 9 Tightening moments for bolts and nuts 71 for cap nut i e eee Rs 71 Transport 1 aa aa ranti eee 10 Type Code ege de h Rex n eee 13 V Vacuum pump with float controlled de aerator e divided non dete deett ddr 26 Vacuum pump with service liquid tank 21 Ventilation lcs 17 VV VVear ring assembly da ea ns aa n 42 disassembling sse 42 replacing seen 41 Working switch esses 30 80 CH EN 1111 5 3 eX
53. s the straps must be fixed in accordance vvith figure 1 and figure 2 A When lifting a pump or a complete pump unit always use a proper and sound lifting device approved to bear the total weight of the load A Never go underneath a load that is being lifted If the electric motor is provided with a lifting eye this lifting eye is intended only for the purpose of carrying out service activities to the electric motor The lifting eye is designed to bear the weight of the electric motor only It is NOT permitted to lift a complete pump unit at the lifting eye of an electric motor Figure 1 Lifting instructions for pump unit Figure 2 Lifting instructions for single pump 1 5 4 Storage If the pump is not to be used immediately the pump shaft must be turned by hand twice per week CH EN 1111 5 3 Introduction 11 ex 1 6 Ordering parts This manual contains a survey of the spare parts recommended by SPX as well as the instructions for ordering them A fax order form is included in this manual You should always state all data stamped on the type plate when ordering parts and in any other correspondence regarding the pump gt This data is also printed on the label on the front of this manual If you have any questions or require further information with regard to specific subjects then do not hesitate to contact SPX 12 Introduction CH EN 1111 5 3 CombiPrime H 2 General 2 1 Pump descriptio
54. se of cavitation the noise level may exceed 85 dB A In that case precautions should be taken like building a noise barrier around the unit or wearing hearing protection 32 Commissioning CH EN 1111 5 8 CombiPrime H pa 4 5 Maintenance 5 1 Daily maintenance Regularly check the outlet pressure A No water should get into the terminal box of the electric motor when the pump room is sprayed clean Never spray water on hot pump parts The sudden cooling down may cause them to burst and hot water may flow out 5 2 Service liquid After the pump has been put into operation once the working liquid tank and the float controlled de aerator don t have to be filled up again there is constantly a sufficient quantity of pumped liquid in the working liquid tank and the float controlled de aerator 5 3 Shaft sealing 5 3 1 Mechanical seal A mechanical seal generally requires no maintenance however it should never be allowed to run dry If there are no problems do not dismantle the mechanical seal As the seal faces have run in on one another dismantling usually implicates replacement of the mechanical seal If a mechanical seal shows any leakage it has to be replaced 5 3 2 Lip seal The lip seals generally require no maintenance The lip seals run around stainless steel shaft sleeves which are provided with a hard wearing layer The space between the lip seals is filled with grease when they are mounted so as to limit wea
55. space behind the impeller Indications used in figure 7 through figure 11 De aeration Overflow Inlet vacuum pump Exhaust pipe Outlet vacuum pump Service liquid Pump connection air extraction connection centrifugal pump Filter in suction pipe only in figure 9 Suction flange connection Service liquid tank Vacuum pump Check valve Air inlet valve CH EN 1111 5 3 Installation 21 ex 3 7 4 Installation examples with service liquid tank For a few situations is shown how pumps with a service liquid tank can be installed Excess service liquid must always be discharged to the suction tank separately Figure 8 Medium thin clean and slightly polluted liquids 22 Installation CH EN 1111 5 3 CombiPrime H pa 4 Figure 9 Medium thin liquids polluted vvith highly abrasive constituents The back blades on the centrifugal impeller prevent heavy abrasive matter from getting into the suction space behind the impeller To prevent floating abrasive matter from penetrating the pump mount a filter in the suction pipe The straining capacity of the filter should correspond vvith the nature of the pollutants If necessary mount several filters vvith different sieve sizes behind each other Use at least one filter vvith Rp 314 connections and a sieve size of 0 6 mm Clean the filters regularly CH EN 1111 5 3 Installation 23 ex
56. steel elbow steel stainless steel elbow steel stainless steel tank support steel tee ductile i ron stainless steel reducing ring ductile i ron stainless steel air inlet valve brass male connector steel stainless steel pipe stainless steel plug ductile i ron bronze tank stainless steel stainless steel If the delivery head is over 30 m throttling is applied in order to create a vacuum behind the air inlet valve CH EN 1111 5 3 Parts 67 eX 9 6 Parts of float de aerator VL DETAIL 1650 1550 1400 1650 1540 1920 1520 1503 1650 1640 Figure 37 Parts of float de aerator VL 68 Parts CH EN 1111 5 3 CombiPrime H Quantity Description pipe nipple eX Material G3 stainless steel pipe stainless steel male connector stainless steel male connector steel stainless steel orifice stainless steel non return valve double nipple NBR brass ductile i ron stainless steel stainless steel elbow steel stainless steel elbow connector steel stainless steel tank support steel T piece ductile i ron stainless steel reducing ring ductile i ron stainless steel air inlet valve brass male connector steel stainless
57. t be hard level and flat The area in which the pump is installed must be sufficiently ventilated An ambient temperature or air humidity which is too high or a dusty environment can have a detrimental effect on the operation of the electric motor There should be sufficient space around the pump unit to operate and if necessary repair it Behind the cooling air inlet of the motor there must be a free area of at least 1 4 of the electric motor diameter to ensure unobstructed air supply CH EN 1111 5 3 Installation 17 ex 3 4 Mounting 3 4 1 Installation of a pump unit Pump and motor shafts of complete pump units are adjusted perfectly in line in the works 1 Incase of permanent arrangement place the base plate level on the foundation with the aid of shims 2 Carefully tighten the nuts on the foundation bolts Check the alignment of pump and motor shafts and if necessary realign see paragraph 3 4 3 Alignment of the coupling 3 4 2 Assembling a pump unit If the pump and the electric motor still have to be assembled do the following 1 Fit both halves of the coupling to the pump shaft and the motor shaft respectively 2 If size db of the pump see figure 30 is not equal to the IEC size of the motor level up the difference by placing properly sized spacers under the pump or under the motor feet Place the pump on the base plate Fix the pump to the base plate Place the electric motor on the base plate Move t
58. tainless steel aluminium Allen screw steel Allen screw steel Allen screw steel A A washer steel Number dependent on pump type 8 or 12 1 item 0130 not for the pump types of bearing bracket 1 and for 40 250 and 50 250 CH EN 1111 5 3 Parts 63 ex 9 3 Parts of shaft sealing group M2 1740 1710 dat 1720 0110 1220 A 1890 1905 i RR qin vn SO y 1940 E S V B 1900 ET CL DX 1940 ENN 1361 EE 1880 1500 1510 Figure 34 Parts of shaft sealing group M2 A bearing group 1 and 2 B bearing group 3 Material G1 G2 G3 Quantity Description gasket EE air wheel bronze self priming casing cast iron bronze pipe nipple 1 steel stainless steel elbow 1 ductile cast iron stainless steel reducing nipple 1 stainless steel socket 1 steel stainless steel Allen screw steel stainless steel key stainless steel shaft sleeve stainless steel O ring viton gasket 1 1 1 1 1 1 1 8 1 2 2 1940 N 1 Items 171 0 1720 1730 and 1740 only for the pump types with a nominal impeller diameter of 160 and 250 mm n 1500 1800 min only for bearing bracket group 3 64 Parts CH EN 1111 5 3 CombiPrime H pa 4 9 4 Parts of shaft sealing group M4 1720 0110 1950 1905
59. tal splinters 7 7 4 Assembling the wear ring 1 Clean and degrease the fitting edge of the pump casing where the wear ring is to be mounted 2 Degrease the outer edge of the wear ring and put a few drops of Loctite 641 on it Fit the wear ring in the pump casing Take care it is not pushed out of alignment 42 Disassembly and assembly CH EN 1111 5 3 CombiPrime H 7 8 7 8 1 7 8 2 0110 1220 1890 1905 1940 1900 1940 1361 1880 1500 1510 eX Shaft sealing Instructions for mounting a mechanical seal First read the following instructions regarding the mounting of a mechanical seal Follow these instructions closely when mounting a mechanical seal A mechanical seal is a fragile precision instrument Leave the seal in its original packing until you are ready to fit it Clean all receiving parts properly Make sure your hands and working environment are clean Never touch the sliding surfaces with ones fingers Take care not to damage the seal during assembly Never put the rings down on their sliding surfaces Disassembling a mechanical seal M2 1730 1720 uN Figure 25 Mechanical seal M2 A bearing group 1 and 2 B bearing group 3 The item numbers used are referring to figure 25 1 2 Remove the impeller see paragraph 7 7 1 Disassembling the impeller Pull the shaft sleeve 1900 off the pump shaft and remove the rotating part o
60. ut off valve in the suction pipe as close as possible to the pump If there is no check valve the pump can only be started with closed delivery valve In case of possible pre pressure on the suction side mount a shut off valve in the suction pipe If the liquid does not flow towards the pump fit a foot valve at the bottom of the suction pipe If necessary combine this foot valve with a suction strainer to prevent impurities from being drawn in When mounting place temporarily for the first 24 operating hours a fine gauze between suction flange and suction pipe to prevent internal pump parts from being damaged by foreign matter If the risk of damage continues to exist fit a permanent filter 20 Installation CH EN 1111 5 3 CombiPrime H pa 4 3 7 Vacuum pump with service liquid tank 3 7 1 Mounting of accessories Connect a pipe to the overflow of the service liquid tank to discharge excess service liquid and extracted air The pump is supplied with the exhaust pipe connected to the pump cover 3 7 2 Connection diagram with service liquid tank P V 0 I PC Figure 7 Connection diagram with service liquid tank 3 7 3 Indication of connections The suction delivery and service liquid connections of the vacuum pump are indicated both on the drawings and on the vacuum pump by the letters S P and W Suction point PC is the connection to the

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