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CombiNorm - Amalgamated Pumping Supplies

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Contents

1. CN EN E Dimensions 55 M souNSon PUMP a u 8 4 Dimension print pump bearing group 4 figure 41 Dimension print pump bearing group 4 CN EN E 56 Dimensions PM sounson PUMP CombiNorm 8 5 Pump dimensions pump bearing group 4 See fig 41 ISO 7005 PN 16 125 188 150 212 200 268 250 320 300 378 ISO 7005 DIN 2533 kol 125 500 125 110 150 105 150B 400 150 500 CN EN E Dimensions 57 M onn ON PUMP a S U 8 6 Dimension print pump and motor with standard coupling figure 42 Dimension print pump and motor with standard coupling bearing gr 1 2 amp 3 figure 43 Dimension print pump and motor with standard coupling bearing group 4 CN EN E 58 Dimensions PH sounson PUMP CombiNorm a 8 7 Dimensions pump and motor with stand coupl bearing gr 1 2 amp 3 See fig 42 IEC mo
2. fon zb T ZC isti xd gt V 5 L 4472_8 A YO T mH N 612 A N l ofa 3 i Md 10 Sp bi E fd A fe m figure 44 Dimension print pump and motor with spacer coupling bearing gr 1 2 amp 3 a figure 45 Dimension print pump and motor with spacer coupling bearing group 4 CN EN E 62 Dimensions PH sounson PUMP CombiNorm a 8 10 Dimensions pump and motor with spacer coupl bearing gr 1 2 amp 3 See fig 44 IEC motor IP54 160 160 180 M L M sv max 630 670 700 100 125 100 160 100 200 100 250 CN EN E Dimensions 63 E sounson PUMP alll IEC motor IP54 160 160 180 M L M sv max 100 315 100 400 125 125 125 250 125 315 125 400 150 125 150 160 150 200 150 250 150 315 150 400 200 160 200 200 250 200 300 200 X NBaseplate number ISO 7005 D
3. figure 54 Shaft sealing groups S2 CN 200 160 and figure 55 Shaft sealing groups S3 CN 200 160 and CN 300 200 Description shaft sleeve CN 300 200 Materials stainless steel bottom ring bronze packing ring lantern ring bronze gland cast iron gland bronze plug steel gasket gasket pipe nipple stainless steel pipe union brass stud stainless steel nut brass impeller cap nut bronze NI N impeller key stainless steel CN EN E Parts 81 M onn a SON PUMP 9 10 Parts of shaft sealing groups S2 S3 for CN bearing group 4 te sseh M figure 56 Shaft sealing groups S2 S3 for bearing bracket group 4 Number S2 S3 Description plug Materials cast iron bronze cast iron bronze shaft sleeve stainless steel bottom ring bronze packing ring lantern ring bronze gland bipartite cast iron bronze gland cap cast iron plug steel stainless steel gasket gasket pipe nipple steel stainless steel pipe union brass stud stainless steel nut brass stainl
4. figure 11 Lifting instructions pump unit CN EN E Introduction 11 E onn PUMP a SON PU figure 12 Lifting instructions pump 1 6 4 Storage If the pump is not to be used immediately the pump shaft must be turned by hand twice per week 12 Introduction CN EN E CombiNorm 2 1 M onn PUMP a SON PU General Pump description The CombiNorm is a range of horizontal non self priming centrifugal pumps according to EN 733 DIN 24255 The hydraulic application area however is larger because of a extended number of available pump types Flange dimensions bolt circle and number of holes comply with DIN 2533 ND 16 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 inter changeable also with other pump types of the Combi system CN EN E General 13 M sonn a SON PUMP 2 2 Typification Pumps of the CombiNorm family are available in various designs The main characteristics of the pump are shown in the type code Example CN 40 200 G1 S1 L1 pump family CN CombiNorm pump size 40 200 diameter discharge connection mm nominal impeller diameter mm pump casing and impeller material pump casing cast iron impeller cast iron pump casing cast iron impeller bronze pump
5. Gi O 100 r im 90 mip aA 10 60 50 H 32 200 40 200 gt 65 200 y 2 0 200 o t A 290 200 gt 80 200 Douo n amp ROS p A S 40 160 50 160N_ 65 160 AIRNE to un i J 7 Re S Ni S 5 72 TD wy K 40 125 Po 800 1000 1500 1 cos na D z a x w 5 E a x es 2 S Oo yJ N C S du QoQ i Qo ce Q Oo g 3 figure 66 Survey curve 1500 min CN EN E 100 Technical data CombiNorm M onn a SON PUMP H m 120 5 100 dae e 80 F See i x wu 32 200 40 206 50 200 6 Va Si iz 32 16C 40 x 7 40 166 50 160 Maa oe Vee os 30 IRR oa Pe 50 30 4 l OU Z j 25 7 32 125 7 DA 20 7 40 125 VY L 25 VI DA L 2 py 7 x 7 ak VA 10 Z 10 12 16 20 30 40 50 60 80 100 120150 400 Q m7h figure 67 Survey curve 3600 min 150 5 5 6 8 10 E 20 25 30 40 5060 80100 150 200 300 400500 700 1000 1400 0 n figure 68 Survey curve 1800 min CN EN E Technical data 101 M sonn a SON PUMP 10 10 Permitted forces and torques on the
6. 0350 plug cast iron bronze 0800 allen screw steel st st 0850 allen screw steel st st 1860 impeller key stainless steel 1865 impeller key stainless steel 2100 bearing bracket cast iron 2104 lantern piece cast iron 2108 allen screw steel 2110 bearing cover cast iron 2115 bearing cover cast iron 2170 grease nipple steel 2180 sealing ring rubber 2185 sealing ring rubber 2200 pump shaft steel alloy 2210 coupling key steel 2220 splash ring rubber 2245 plug steel 2250 roller bearing 2260 double row angular contact ball bearing 2270 plug steel 2280 plug steel 2300 inner circlip spring steel 2310 nilos ring steel 2320 nilos ring steel 2400 name plate stainless steel 2410 arrow plate aluminium 2560 shaft nut steel 2570 locking ring steel 2810 allen screw steel 2815 allen screw steel 2820 allen screw steel 2830 N pa P 4 0 0 4 4 n 0 4 5 washer st st stainless steel steel Number dependent on pump type 8 12 or 16 Applies only to CN 125 500 and CN 150 500 CN EN E Parts 73 E onn a SON PUMP 9 5 9 5 1
7. figure 31 Adjusting the shaft sleeve of CN 200 160 and CN 300 200 CN EN E Disassembly and assembly 43 M onn PUMP a SON PU 7 8 4 Disassembly of the mechanical seal M2 M3 figure 32 Mechanical seal M2 M3 The item numbers used are referring to figure 32 1 2 3 Remove the impeller see 7 6 Remove the nuts 1810 and the washer 1815 and push the mechanical seal cover 1230 backward Mark the position of the stuffing box cover 0110 in relation to the bearing bracket 2100 Knock the stuffing box cover loose and remove it Pull the shaft sleeve 1200 from the pump shaft and remove the rotating part of the mechanical seal from the shaft sleeve For pumptypes CN 200 160 and CN 300 200 the tightening screws 1260 have to be loosened first See figure 20 Push the cover of the mechanical seal off the pump shaft and push the counter ring out of the cover 7 8 5 Assembly of the mechanical seal M2 M3 1 ES Make sure the shaft sleeve 1200 the smothering bush 1210 and the splash ring 2220 are not damaged The splash ring should also clasp the shaft properly If necessary replace these parts Secure the smothering bush with Loctite 641 Put the mechanical seal cover flat down and press the counter ring of the seal straight into it The notch in the counter ring must correspond to the locking pin 1270 else the counter ring will break If necessary use a plasti
8. gasket plug steel gasket sealing ring copper impeller nut stainless steel impeller cap nut bronze spring washer stainless steel washer stainless steel allen screw steel lock screw stainless steel impeller key stainless steel CN EN E Parts 89 E onn a SON PUMP CN EN E 90 Parts JI JOHNSON PUMP CombiNorm a 10 Technical data 10 1 Lubrificants 10 1 1 Oil Recommended oils according to ISO VG 68 classification for ambient temperatures above 15 C BP HLP 68 CHEVRON EP industrial oil 68 ESSO Teresso 68 TOTAL Azolla 68 TEXACO Rando Oil HDC 68 SHELL Tellus 68 MOBIL Mobil D T E Oil Heavy Medium 10 1 2 Oil contents Bearing bracket Contents 10 1 3 Grease Recommended greases according to NLGI 2 classification BP Energrease LS 2 SHELL Alvania R2 MOBIL Mobilux EP 2 TOTAL Multis EP 22 CHEVRON Polyurea EP Grease 2 ESSO Beacon 2 FINA Marson L2 TEXACO MultifaK EP 2 SKF Alfalub LGMT 3 CN EN E Technical data 91 M onn a SON PUMP 10 2 10 2 1 10 2 2 10 3 10 3 1 10 3 2 Media for assembling Recommended mounting grease Recommended greases for greasening stuffing box packing rings e Foliac Cup grease graphite grease e MolyCote BR2 graphite grease e silicon grease Recommended locking liquid P
9. 2330 adjustment ring steel 2400 name plate stainless steel 2410 arrow plate aluminium 2560 shaft nut steel 2570 locking ring steel 2810 allen screw steel 2815 allen screw steel 2820 allen screw steel 2830 12 1 1 1 1 8 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 1 1 1 4 4 2 2 washer st st stainless steel steel Number dependent on pump type 8 12 or 16 Applies only to CN 125 500 and CN 150 500 CN EN E Parts 75 E onn a SON PUMP 9 6 Parts of shaft sealing groups S1 M1 figure 50 Shaft sealing groups S1 M1 Shaft sealing group S1 gland packing Number Description spacer sleeve Materials steel alloy bottom ring brass packing ring gland cast iron plug steel stud stainless steel nut brass impeller nut stainless steel spring washer stainless steel washer stainless steel impeller key stainless steel 76 Parts CN EN E CombiNorm Shaft sealing group M1 mechanical seal Number Description shaft sleeve Materials brass E sonn a SON PUMP throttle bush bronze me
10. 9 5 2 Parts list L4 for bearing group 4 0100 Description pump casing Materials NG1 cast iron nodular cast iron bronze 0110 stuffing box cover cast iron nodular cast iron bronze 0120 impeller cast iron bronze cast iron bronze bronze 0130 casing wear ring cast iron bronze cast iron bronze bronze 0140 bracket support steel 0300 gasket 0310 plug cast iron bronze 0330 plug cast iron bronze 0340 plug cast iron bronze 0350 plug cast iron bronze 0800 allen screw steel st st 0850 allen screw steel st st 1860 impeller key stainless steel 1865 impeller key stainless steel 2100 bearing bracket cast iron 2104 lantern piece cast iron 2108 allen screw steel 2110 bearing cover cast iron 2115 bearing cover cast iron 2120 oil baffle bronze 2125 oil baffle bronze 2130 oil filler cap aluminium 2140 constant level oiler 2145 oil sight glass 2150 plug steel 2160 gasket 2190 adjustment screw stainless steel 2200 pump shaft steel alloy 2210 coupling key steel 2220 splash ring rubber 2250 roller bearing 2260 double row angular contact ball bearing 2300 inner circlip spring steel
11. I O 1 2 8 4 5 6 7 8 9 10 11 12 18 14 15 16 17 18 19 20 L1 L2 dB figure 72 Noise level 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 1 Determine the noise levels L1 and L2 of the pump using figure 70 or 71 and the motor 2 Determine the difference between both levels L1 L2 3 Look for the differential value on the L1 L2 axis 4 Go up to the curve 5 Go left to the L dB axis 6 Read the value here 7 Add the value found in 6 to the highest noise level L1 or L2 Example 1P 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 106 CN EN E Technical data CombiNorm M sounson PUMP alll i index A D Alignment Daily maintenance 27 coupling 18 Gland packing 27 Application 15 Grease lubricated bearings 27 Application area 16 Mechanical seal 27 Assembly 18 Oil bath lubricated bearings 28 Back Pull Out unit 33 Disassembly casing wear ring 38 casing wear ring 38 impeller 36 impeller 36 37 mechanical seal 42 44 46 mechanical seal 42 44 45 reinforced bearing grease lubricated 50 reinforced bearing grease lubricated 49 reinforced bearing oil lubricated 52 reinforced bearing oil lubricated 51 standard bearing grease lubricated
12. Loosen the bracket support 0140 from the base plate see figure 16 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 Assembly Back Pull Out unit A_N 1 Mount a new packing for the pump casing 0300 and mount the entire bearing bracket back into the pump casing Tighten the Allen screws 0800 crosswise 2 Fix the bearing support on the foundation Reconnect the flushing and or cooling pipes 4 Mount the assembly plate 0275 to the bearing cover 2115 with bolts 0235 See figure 20 5 Mount the coupling key 2210 and mount the coupling half onto the pump shaft Place the motor back in its place or mount the spacer of the spacer coupling 7 Check the alignment of pump and motor shaft see 3 4 3 If necessary realign ow O CN EN E Disassembly and assembly 33 M souNnson PUMP E u 8 Mount the jacket 0270 at motor side The annular groove must be located at motor side figure 17 Fitting jacket at motor side 9 Place the assembly plate 0280 over the motor shaft and fit it into the annular groove of the jacket figure 18 Fitting assembly plate at motor side 10 Close the jacket and fit a bolt 0230 and nut 0231 with washers 0232 and 0233 into the hole at motor side See figure 19 for the proper mounting sequence figure 19
13. M onn a SON PUMP shaft sleeve brass throttle bush bronze mechanical seal seal cover cast iron set screw stainless steel gasket pipe nipple steel pipe union brass pipe copper pipe union brass extension piece stainless steel stud stainless steel nut brass impeller nut stainless steel spring washer stainless steel washer stainless steel a A A pm ai impeller key stainless steel CN EN E Parts 79 M souNSON PUMP a u 9 8 Parts of shaft sealing group S2 S3 1400 113 120 111 jaog T2 figure 53 Description oe cast iron bronze shaft sleeve stainless steel bottom ring bronze packing ring lantern ring bronze gland cast iron bronze plug steel st st gasket gasket pipe nipple pipe union brass stud stainless steel nut brass st st impeller cap nut bronze impeller key stainless steel CNIEN E 80 Parts CombiNorm E sonn P a SON PUM 9 9 Parts of shaft sealing groups S2 S3 CN 200 160 and CN 300 200
14. SON PU Possible causes Pump or suction pipe not sufficiently filled or de aerated Gas or air coming from the liquid Air lock in the suction pipe Suction pipe leaks air The pump sucks in air through the stuffing box The sealing or flush water pipe to the stuffing box is not connected or blocked The lantern ring in the stuffing box has been mounted wrongly 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 doesn t work at the right duty point Liquid density differs from the calculated liquid density Liquid viscosity differs from the calculated liquid viscosity Pump works when the liquid flow is too low Wrong pump selection Obstruction in impeller or pump housing Obstruction in the piping 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 coupling Pump shaft is running out of true Bearings faulty or worn out Sealing rings faulty or worn out Damaged impeller Pump shaft or shaft sleeve at shaft packing or running surfaces of the mechanical seal are worn out or damaged Worn out or dried up shaft packing Not well packed stuffing box or bad mounting of the mechanical seal Packing type of the mechanical seal not suita
15. steel splash ring rubber ball bearing ball bearing roller bearing double row angular contact ball bearing inner circlip spring steel nilos ring steel nilos ring steel adjustment ring steel spacer sleeve steel outer circlip spring steel name plate stainless steel arrow plate aluminium allen screw steel allen screw steel O AN washer st st stainless steel steel Item 0800 dependent on pump type 4 8 or 12 Item 0130 not for the pump types of bearing bracket 1 except CN 32 250 CN EN E Parts 69 M onn a SON PUMP O O lt N O N N 9 3 9 3 1 Pump parts L3 L4 Sectional drawing L3 L4 figure 47 CombiNorm with bearing L3 L4 IAR TTS SS x O D N Vai Ny D O D 1 TY 2240 YQ2920 ZOLU gt 340 ZO 2250 2120 70 Parts CN EN E CombiNorm 9 3 2 Parts list L3 L4 Description pump casing H sonn a SON PUMP Materials NG1 cast iron nodular cast iron bronze stuffing box cover cast iron nodular c
16. INERT tr 005 05 NJ 8 00S SZL NJ 5 E e 3 A SNA see ee a J i trono Ba PET 7 QL So ZZ Frezza N By LE Ory gt 1 Pos LU Ea j4 A POY SS y ae N i CN EN E Parts afff sounson PUMP Pump parts L2 for bearing group 4 9 4 9 4 1 Sectional drawing L2 for bearing group 4 Se 0 Sole 082 LLC A 09CC 00 OLEZ OSZZ CombiNorm with bearing L2 for bearing bracket group 4 figure 48 72 M sounson PUMP CombiNorm a u 9 4 2 Parts list L2 for bearing group 4 0100 Description pump casing Materials NG1 cast iron nodular cast iron bronze 0110 stuffing box cover cast iron nodular cast iron bronze 0120 impeller cast iron bronze cast iron bronze bronze 0130 casing wear ring cast iron bronze cast iron bronze bronze 0140 bracket support steel 0300 gasket 0310 plug cast iron bronze 0330 plug cast iron bronze 0340 plug cast iron bronze
17. combustion engine 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 2004 P Ressenaar Director I A II B EN PM sounson PUMP CombiNorm a Instruction manual CombiNorm 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 CombiNorm pump copied duplicated made available to or brought to the notice of third parties without our prior written consent Johnson Pump Water BV hereafter called Johnson Pump is part of Johnson Pump International AB The core activities of Johnson Pump International AB are the development production sale and maintenance of pumps and pump units Johnson Pump Water BV P O Box 9 9400 AA Assen The Netherlands Tel 31 0 592 376767 Fax 31 0 592 376760 2005 Johnson Pump Water BV CN EN 0511 5 0 CN EN E Instruction manual CombiNorm 1 E onn ON PUMP a S U CN EN E 2 Instruction manual CombiNorm CombiNorm Table of contents M sonn PUMP a SON PU 1 Introduction 9 1 1 Preface 9 1 2 Safety 9 1 3 Guarantee 10 1 4 Service and support 10 1 4 1 Ordering spare parts 10 1 4 2 Pump number 10 1 5 Checking goods delivered 10 1 6 Instructions for transport and storage 11 1 6 1 Dimension
18. 125 500 and CN 150 500 the impeller is fixed onto the pump shaft by means of 2 keys Shaft sealing The shaft seal is available in various variants There are 4 constructions with a stuffing box for instance with a water cooled cover and there are 5 constructions with a mechanical seal both unbalanced and balanced Furthermore 2 of these constructions are provided with an air cooled cover to suit hot liquids If the shaft is provided with a shaft sleeve it won t get into contact with the liquid if it is not it will Bearing The cast iron bearing pedestal is standard provided with 2 sealed deep groove ball bearings A heavier bearing is also possible In that case the bearing con struction consists of a roller bearing a double row angular contact ball bearing Bearing group 4 has only one type of bearing construction consisting of a roller bearing 2 single row angular contact ball bearings in O setup All bearing types are available with grease or oil lubrication The bearing pedestal of bearing group 4 consists of two parts bearing bracket lantern piece CN EN E General 15 M sonn N PUMP a SON PU 2 5 2 6 2 7 Application area The application area globally looks as follows Maximum value Capacity 1500 m h Discharge head 140m System pressure 16 bar Temperature 160 C However the maximum allowable pressures and temperatures depend strongly on the selected materials an
19. 348 38495 FRANCE Johnson Pompes Tel 33 0 1 39 20 50 00 Fax 33 0 1 39 56 54 22 GERMANY Johnson Pumpen GmbH Tel 49 0 5731 480 80 Fax 49 0 5731 414 00 ITALY Johnson Pump Italiana S r l Tel 39 039 604 14 63 Fax 39 039 604 90 97 NETHERLANDS Centrifugal Pumps Positive Displacement Pumps contact Belgium Johnson Pump B V Tel 31 0 592 37 67 67 Fax 31 0 592 37 67 60 Johnson Pump Horticulture Tel 31 0 174 51 84 10 Fax 31 0 174 51 84 44 www johnson pump com NORWAY Johnson Pump A S Tel 47 22 74 08 40 Fax 47 22 28 03 30 SPAIN Johnson Pump Espa a S L Tel 34 972 58 08 01 Fax 34 972 58 08 03 Sales Office Madrid Tel 34 91 888 79 22 SWEDEN Johnson Pump Svenska Tel 46 0 19 21 83 70 Fax 46 0 19 27 23 18 SWITZERLAND Johnson Pumpen AG Tel 41 0 43 477 71 22 Fax 41 0 43 477 71 20 UNITED KINGDOM JP Pumps Ltd Tel 44 0 1293 55 34 95 Fax 44 0 1293 52 46 35 Northern Regional Office Bradford Tel 44 0 1274 74 22 47 Fax 44 0 1274 74 22 28 olf JOHNSON PUMP Johnson Pump Water B V Business Units BELGIUM Johnson Pump Brussels N V Tel 32 0 53 60 27 15 Fax 32 0 53 60 27 01 INDIA Johnson Pump India Ltd Tel 91 0 79 287 03 11 Fax 91 0 79 287 25 22 NETHERLANDS Johnson Pump Water B V Tel 31 0 592 37 67 67 Fax 31 0 592 37 67 60 SWEDEN Johnson Pump AB Tel 46 0 19 21 83 00 Fax 46
20. 47 shaft sleeve 41 standard bearing oil lubricated 48 standard bearing grease lubricated 47 standard bearing oil lubricated 48 B Draining liquid 31 Back Pull Out system 33 oil 31 Back Pull Out unit disassembly 33 E Bearing 46 instructions for assembly 46 Earth 17 Environment 17 Cc Environmental influences 28 Check F sense of rotation 24 Combustion engine 21 Faults 28 Safety 21 Flanges Sense of rotation 21 permissible forces 104 Commissioning 23 24 25 26 permissible moments 104 Constructie impeller 15 G Construction 15 bearing 15 Grease 91 pump casing 15 Guarantee 10 shaft sealing 15 Construction variants 322 H Control 25 motor 23 Hoisting 11 pump 23 Coupling guard l H 33 installation 17 18 19 20 21 22 foundation 17 CN EN E Index 107 M sonn a SON PUMP set Instructions L Locking liquid Lubrication bearings Lubrificants Maintenance Mechanical seal instructions for mounting Media for assembling Mounting impeller shaft sleeve stuffing box packing Mounting accessories Mounting grease N Noise O Oil contents P Pallets Permitted forces Permitted torques Piping Precautionary measures Preparation lubrication Preparing unit Pressure at the impeller hub in shaft sealing compartment R Re use Replacement casing wear ring impeller stuffing box packing S Safety symbols Scrapping Start up Static electricity Storage Stuffing box packing instructi
21. Clean the interior of the bearing bracket properly Mount inner circlip 2300 adjustment ring 2330 and one of the adjustment rings 2340 on the pump shaft Preheat the double row angular contact ball bearing bearing group 4 the 2 single row angular contact ball bearings and the inner ring of the roller bearing and mount them on the pump shaft Watch the mounting sequence Mount the angular contact ball bearings on the drive side The 2 single row angular contact ball bearings are te be mounted in O setup Make sure they are positioned straight on the pump shaft and press them firmly against the shaft shoulder and against the adjustment ring 2340 Let the bearings cool down Mount the other adjustment ring 2340 and outer circlip 2360 Bearing group 4 Mount the retaining ring 2570 and put the shaft nut 2560 on the pump shaft Tighten the shaft nut and secure it by knocking a lip of the retaining ring into the opening of the shaft nut Mount the shaft with bearings starting from the motor side in the bearing bracket Make sure the Nilos ring 2320 is placed before the inner circlip and mount the inner circlip 2300 in the second groove Carefully knock the shaft further into the bearing bracket until the outer ring of the bearing 2240 touches the inner circlip 2300 The adjustment ring is now locked between the bearing and the inner circlip Mount the outer ring of the roller bearing This ring should go into the bearing
22. Disassembly and assembly 31 7 1 Precautionary measures 31 7 2 Tools 31 7 3 Draining 31 7 3 1 Liquid draining 31 7 3 2 Oil draining 31 7 4 Construction variants 32 7 5 Back Pull Out system 33 7 5 1 Disassembly coupling guard 33 7 5 2 Disassembly Back Pull Out unit 33 7 5 3 Assembly Back Pull Out unit 33 7 6 Replacement of impeller and casing wear ring 36 7 6 1 Disassembly of the impeller S1 M1 ML1 36 7 6 2 Assembly of the impeller S1 M1 ML1 36 7 6 3 Disassembly of the impeller S2 S3 M2 M3 ML2 37 7 6 4 Mounting the impeller S2 S3 M2 M3 ML2 37 7 6 5 Disassembly of the casing wear ring 38 7 6 6 Assembly of the casing wear ring 38 7 7 Replacement of the stuffing box packing 39 TIA Instruction for assembling and disassembling stuffing box packing 39 7 7 2 Replacement of the stuffing box packing S1 S2 S3 and S4 40 7 7 3 Mounting a new stuffing box packing S1 S2 S3 and S4 40 7 7 4 Disassembly of the shaft sleeve S2 S3 S4 41 7 7 5 Mounting the shaft sleeve S2 S3 S4 41 7 8 Mechanical seal 41 7 8 1 Instructions for mounting a mechanical seal 41 7 8 2 Disassembly of the mechanical seal M1 42 7 8 3 Assembly of the mechanical seal M1 42 7 8 4 Disassembly of the mechanical seal M2 M3 44 7 8 5 Assembly of the mechanical seal M2 M3 44 7 8 6 Disassembly of the mechanical seal ML1 ML2 45 7 8 7 Assembly of the mechanical seal ML1 ML2 46 7 9 Bearing 46 7 9 1 Instructions for assembly and disassembly of bearings 46 7 9 2 Di
23. Fitting bolt and nut with washers and spring washer 11 Mount the jacket 0270 at pump side Place it over the present jacket at motor side The annular groove must be located at pump side CN EN E 34 Disassembly and assembly JI JOHNSON PUMP CombiNorm a figure 20 Fitting jacket at pump side 12 Close the jacket and fit a bolt 0230 and nut 0231 with washers 0232 and 0233 into the hole at pump side See figure 19 for the proper mounting sequence 13 Slide the jacket at motor side towards the motor as far as possible Fix both jackets with bolt 0230 and nut 0231 with washers 0232 and 0233 fitted into the overlapping slot holes figure 21 Adjusting jacket at motor side CN EN E Disassembly and assembly 35 M onn a SON PUMP 7 6 Replacement of impeller and casing wear ring The play between the impeller and the casing 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 wearing the impeller and the casing wear ring should be replaced 7 6 1 Disassembly of the impeller S1 M1 ML1 figure 22 Impeller S1 M1 ML1 The item numbers used are referring to figure 22 1 Disassemble the Back Pull Out unit see 7 5 2 2 Remove the impeller nut 1820 spring washer 1825 and the washer 1830 Sometimes the nut has to be heated to break the Loctite contact 3 Remove the imp
24. L3 L4 Pump parts L2 for bearing group 4 Sectional drawing L2 for bearing group 4 Parts list L2 for bearing group 4 Pump parts L4 for bearing group 4 Sectional drawing L4 for bearing group 4 Parts list L4 for bearing group 4 Parts of shaft sealing groups S1 M1 Parts shaft sealing groups S1 M1 CN 200 160 and CN 300 200 50 51 52 53 53 54 54 56 57 58 59 61 62 63 65 66 66 66 67 67 67 67 67 68 68 69 70 70 71 72 72 73 74 74 75 76 78 CN EN E Table of contents CombiNorm M sonn PUMP a SON PU 9 8 Parts of shaft sealing group S2 S3 80 9 9 Parts of shaft sealing groups S2 S3 CN 200 160 and CN 300 200 81 9 10 Parts of shaft sealing groups S2 S3 for CN bearing group 4 82 9 11 Parts of shaft sealing group S4 83 9 12 Parts of shaft sealing group S4 CN 200 160 and CN 300 200 84 9 13 Parts of shaft sealing group S4 for CN bearing group 4 85 9 14 Parts of shaft sealing groups M2 M3 86 9 15 Parts of shaft sealing groups M2 M3 CN 200 160 and CN 300 200 87 9 16 Parts of shaft sealing groups M2 M3 for CN bearing group 4 88 9 17 Parts of shaft sealing groups ML1 ML2 89 10 Technical data 91 10 1 Lubrificants 91 10 1 1 Oil 91 10 1 2 Oil contents 91 10 1 3 Grease 91 10 2 Media for assembling 92 10 2 1 Recommended mounting grease 92 10 2 2 Recommended locking liquid 92 10 3 Tightening moments 92 10 3 1 Tightening moments for bolts and nuts 92 10 3 2 Tightening moments for impeller nuts 92
25. M3 for CN bearing group 4 figure 63 ui Shaft sealing groups M2 M3 for bearing bracket group 4 Description Materials shaft sleeve cast iron bronze bronze throttle bush bronze mechanical seal seal cover cast iron bronze oil seal rubber lock pin stainless steel gasket plug steel stainless steel gasket plug steel stainless steel gasket sealing ring copper sealing ring copper male connector brass steel pipe stainless steel male connector brass reducing nipple brass stud stainless steel nut brass stainless steel washer steel stainless steel A A A O AAA A BR A O impeller cap nut bronze 88 Parts CN EN E CombiNorm 9 17 1290 IZU 1260 E son a NSON PUMP Parts of shaft sealing groups ML1 ML2 WI WZ Hy Z Shaft sealing groups ML1 ML2 Number ML1 ML2 Description shaft sleeve CZ Materials steel alloy throttle bush cast iron mechanical seal seal cover copper fan cast iron heat shield packing plate lock pin stainless steel gasket plug steel
26. Pump parts L4 for bearing group 4 Sectional drawing L4 for bearing group 4 cs Oo D un N i SS ta D N J L A lt un i se A N ag gt ON ura A xX ce n N j E N e L co pa 1 Ji Nie i i N Ub A Ra gt yy SS Le ac xD N H IN On 3 VAN i D SI A N a i amp Sia c cai j a a YY 4 ol 3 N WA A q m Ti Ss 4 CN amp i un m 7 mMm Dy SN ES Sa ca N 1 SS N m 4 N D DI SN al a un A 2 N ON es Ss N 2 x S F 7 N o SAR co HAN AAA Oo MARZ a E N gt fae Dia N x A 00 N I dp cS N IN dI A N DOT 2 X N 2 N o N D N ise N N DI N N 5 SN aa g N ee OQ Oo Za T o 2S 8 D 2 2 2 F ROIZ I J Ji H A A 220 a L 2Y IR AN oY H od 4 CD Di UE x ron D d se SI 3 N Ln un M Lh un N 7 VW E L fa figure 49 CombiNorm with bearing L4 for bearing bracket group 4 CN EN E 74 Parts M sounson PUMP CombiNorm a u
27. bush 1210 and the splash ring 2220 are not damaged The splash ring should also clasp the shaft very CN EN E 42 Disassembly and assembly CombiNorm M sonn a SON PUMP well If necessary replace these parts Secure the smothering bush with Loctite 641 Put the mechanical seal cover flat down and press the counter ring 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 Place the bearing bracket with the shaft upright and place a new gasket 1300 Push the cover of the mechanical seal onto the pump shaft Push the rotating part of the mechanical seal over the pump shaft The bellows should slide smoothly over the shaft Put some glycerine or silicon spray on it Mount the stuffing box cover in the right position in the fitting edge of the bearing bracket Make sure that the stuffing box cover is at right angles to the pump shaft Mount the cover of the mechanical seal 1230 against the stuffing box cover Watch the position in view of the connecting points Tighten the nuts 1810 crosswise The cover should not be oblique Mount the shaft sleeve 1200 For pump types CN 200 160 and CN 300 200 the shaft sleeve 1200 has to be adjusted according to distance Y see figure 31 Mount the impeller and other parts see 7 6 mm ee Doo 12 67 5 y
28. in 10 7 with reduced impeller diameter Dmax maximum impeller diameter Dmin eventual minimum impeller diameter Bearings L1 L3 CN max speed min impeller diameter mm 1500 1900 2000 2100 2200 2300 2400 2500 2600 410 410 405 400 395 385 410 410_ 400 390 125 315 125 400 150 160 150 200 150 250 150 315 150 400 200 160 200 200 250 200 Bearings L2 L4 CN max speed min impeller diameter mm 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000 125 315 324 324 305 290 275 260 250 125 400 404 404 395 385 375 366 357 353 337 332 320 325 125 500 530 455 432 400 150 160 150 200 150 250 150 315 150 400 150B 400 150 500 200 160 200 200 200 250 200 315 200 400 250 200 250 250 250 315 300 250 300 315 CN EN E Technical data 99 M sonn a SON PUMP 10 9 Survey curves 0 80 a7 32 250 40 250 50 250 ee 30 250 50 200 N65 200 55 160 N oO Ww N D oO A o oO Ma g DI D O D 32 125 50 125 40 125 6 sy B 10 121416 20 3 40 60 80 100 120 150 200 250300 9 M N figure 65 Survey curve 3000 min
29. is fouled e 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 e Ifthe pump is out of service for a long time it has to be preserved Noise If after some time the pump starts making noise this may indicate that something is wrong with the pump unit For instance a crackling noise can indicate cavitation or an excessively noise motor 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 with the proper safety devices safety goggles gloves protective clothing To determine the source of the malfunctioning of the pump proceed as follows 1 Switch off the current supply to the pump unit Block the working switch with a lock or remove the fuse In case of a combustion engine switch off the engine and close the fuel supply to the engine 2 Close the stop valves Determine the nature of the fault 4 Try to determine the cause of the fault see chapter 6 and take the appropriate measures or ao Contact your installer 28 CN EN E Maintenance PM sounson PUMP CombiNorm a 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 condit
30. the shaft further into the bearing bracket until the outer ring of the bearing 2240 touches the inner circlip 2300 The shaft with the bearings should go into the bearing bracket straight Mount the bearing covers 2110 and the splash ring 2220 Mount the shaft seal and the impeller as described in 7 6 and 7 8 10 Mount the coupling Disassembly of bearing L3 standard oil lubricated 2110 2220 figure 35 Bearing L3 standard oil lubricated The item numbers used are referring to figure 35 1 2 Disassemble the impeller and shaft seal See 7 6 and 7 8 Remove the splash ring 2220 Loosen the screws 2810 and remove the gaskets 2160 and the bearing covers 2110 Knock the pump shaft 2200 on the impeller side so as to loosen the bearings from the bearing bracket Use a plastic hammer to avoid damage to the thread Remove the inner circlip 2300 as soon as the first bearing 2240 is out of the bearing bracket Subsequently remove the pump shaft with the bearings from the bearing bracket Disassemble the coupling with a coupling puller and remove the coupling key 2210 Remove the outer circlip 2360 and the adjustment ring 2340 and remove the bearings from the pump shaft Remove the distance sleeve 2350 and adjustment ring 2340 Check whether the oil catchers 2120 and 2125 are not damaged If necessary replac
31. 0 19 27 23 72 USA Johnson Pumps of America Inc Tel 1 847 671 7867 Fax 1 847 671 7909 ISO 9001 Dr A F Philipsweg 51 P O Box 9 9400 AA Assen The Netherlands Tel 31 0 592 37 67 67 Fax 31 0 592 37 67 60 E mail info nl johnson pump com
32. 1 95 96 110 111 130 131 140 141 160 161 180 181 200 201 225 MP PM MH PM PM N NN DO OD Oo MO RH HR HR A coupling with spacer 3 5 Piping e The piping to the suction and delivery connections must fit exactly and must not be subject to stress during operation The maximum allowable forces and moments on the pump flanges are stated in chapter 10 e 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 15 e The maximum allowable system pressure is stated in chapter 10 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 e Sudden changes in the rate of flow can lead to high pressure impulses in the pump and the piping water shock Therefore don t use quick acting closing devices valves etc CN EN E Installation 19 M onn N PUMP a SON PU Mounting accessories Excentric reducer to suction flange e Mount any parts that may have been supp
33. 10 Knock the pump shaft 2200 on the impeller side so as to loosen the bearings from the bearing bracket Use a plastic hammer to avoid damage to the thread Remove the inner circlip 2300 as soon as the first bearing 2240 is out of the bearing bracket Subsequently remove the pump shaft with the bearings from the bearing bracket Disassemble the coupling with a coupling puller and remove the coupling key 2210 Remove the outer circlip 2360 and adjustment ring 2340 Remove the distance sleeve 2350 and adjustment ring 2340 Assembly of bearing L1 1 2 Clean the interior of the bearing bracket properly Mount the adjustment ring 2340 the inner circlip 2300 and the distance sleeve 2350 on the pump shaft Preheat the bearings and mount them on the pump shaft Make sure they are positioned straight on the shaft and push them firmly against the shaft shoulder and against the distance sleeve 2350 Let the bearings cool down Mount the adjustment ring 2340 and mount the outer circlip 2360 Mount the shaft with bearings starting from the motor side in the bearing bracket Knock the shaft end on the coupling side until the first bearing 2230 slides through the bearing boring After each knock rotate the shaft one turn to prevent bearing damage Mount the inner circlip 2300 in the first groove CN EN E Disassembly and assembly 47 M onn PUMP a SON PU 7 9 4 7 9 5 8 9 Carefully knock
34. 10 4 Max allowable working pressure 93 10 5 Pressure in shaft sealing compartment for types M1 M2 M3 94 10 6 Pressure at the impeller hub for types S1 S2 S3 S4 96 10 7 Maximum working pressure 98 10 8 Higher maximum speed 99 10 9 Survey curves 100 10 10 Permitted forces and torques on the flanges 102 10 10 1 Permissible forces and moments on the flanges bearing groups 1 2 3 103 10 10 2 Permissible forces and moments on the flanges bearing group 4 104 10 11 Noise data 105 10 11 14 Pump noise as a function of pump power 105 10 11 2 Noise 106 Index 107 Order form for spare parts 109 NEN FE Table of contents 7 E sounson PUMP alll CN EN E 8 Table of contents CombiNorm 1 1 1 2 M onn PUMP a SON PU Introduction Preface 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 Johnson Pump reserves the right to change the construction and design of the products at any time without being obliged to change earlier deli
35. 36 Bearing L2 reinforced grease lubricated The item numbers used are referring to figure 36 1 2 Disassemble impeller and shaft seal See 7 6 and 7 8 Remove the splash ring 2220 Loosen the screws 2810 and remove the bearing covers 2110 and 2115 Knock the pump shaft 2200 on the impeller side so as to loosen the bearings from the bearing bracket Use a plastic hammer to avoid damage to the thread Remove the inner circlip 2300 as soon as the first bearing 2240 is out of the bearing bracket Subsequently remove the pump shaft with the bearings from the bearing bracket Disassemble the coupling with a coupling puller and remove the coupling key 2210 Remove the outer circlip 2360 and the adjustment ring 2340 and remove the bearings from the pump shaft Bearing group 4 Knock the lip of the retaining ring 2570 out of the shaft nut 2560 Loosen the shaft nut and remove the bearings from the pump shaft Remove the adjustment ring 2340 not for bearing group 4 and the Nilos rings 2320 and 2310 CN EN E Disassembly and assembly 49 M onn a SON PUMP 7 9 7 Assembly of bearing L2 1 Clean the interior of the bearing bracket properly 2 Mount the inner circlip 2300 and the two Nilos rings 2310 and 2320 on the pumpshaft Make sure the Nilosrings are positioned properly 3 Mount an adjustment ring 2340 on the pump shaft not for bearing group 4 4 Preheat the double row angular contact bal
36. 400 150 500 200 160 200 200 200 250 200 315 200 400 250 200 250 250 250 315 300 200 300 250 300 315 CN EN E Technical data 97 M souNson PUMP a u 10 7 Maximum working pressure Max speed Available shaft sealing groups and maximum working pressure bar at 50 C dependent on the material variant 7 G1 G2 NG1 NG2 B2 L1 L3 L2 L4 S1 M1 S2 M3 S3 M2 ML1 S2 M3 S3 M2 S4 S2 M3 S3 M2 32 125 32 160 32 200 32 250 40 125 40 160 40 200 40 250 40 315 50 125 50 160 50 200 50 250 50 315 65 125 65 160 65 200 65 250 65 315 80 160 80 200 80 250 80 315 80 400 100 125 100 160 100 200 100 250 100 315 100 400 125 125 125 250 125 315 125 400 125 500 150 125 150 160 150 200 150 250 150 315 150 400 150B 400 150 500 200 160 200 200 200 250 200 315 200 400 250 200 250 250 250 315 300 200 300 250 300 315 00 CO CO Co CO CO CO CO 000 With maximum impeller diameter see also 10 8 CN EN E 98 Technical data JI JOHNSON PUMP CombiNorm a 10 8 Higher maximum speed Eventual higher maximum speed as mentioned
37. CE Instruction manual CombiNorm Horizontal centrifugal pump according to EN 733 DIN 24255 o II JOHNSON PUMP EC Declaration of conformity Directive 98 37 EC appendix II A Manufacturer Johnson Pump Water B V Dr A F Philipsweg 51 P O Box 9 9400 AA Assen Netherlands hereby declares that the pump in case it is delivered as an assembly with drive last position of serial number A is in conformity with the provisions of Directive 98 37 EC as altered most recently and the following directives and standards e EC directive 73 23 EEC Electric equipment for use within certain voltage limits e standards EN 292 part 1 amp 2 EN 809 The pump to which this declaration refers may only be put into operation after it has been installed in the way prescribed by the manufacturer and as the case may be after the complete system of which this pump forms part has been made to fulfil the requirements of Directive 98 37 EC as altered most recently Manufacturer s declaration Directive 98 37 EC appendix II B Manufacturer Johnson Pump Water B V Dr A F Philipsweg 51 P O Box 9 9400 AA Assen Netherlands hereby declares that the pump in case it is delivered without drive last position of serial number B is in conformity with the following standards e EN 292 parts 1 amp 2 EN 809 and that this pump is meant to be incorporated in or combined with another machine electric motor
38. EN E 50 Disassembly and assembly CombiNorm E sonn N PUMP a SON PU 7 9 8 Disassembly of bearing L4 reinforced oil lubricated figure 37 Bearing L4 reinforced oil lubricated The item numbers used are referring to figuur 37 1 2 3 Disassemble the impeller and shaft seal See 7 6 and 7 8 Remove the splash ring 2220 Loosen the screws 2810 and remove the the bearing covers 2110 and gaskets 2160 Knock the pump shaft 2200 on the impeller side so as to loosen the bearings from the bearing bracket Use a plastic hammer to avoid damage to the thread Remove the inner circlip 2300 as soon as the first bearing 2240 is out of the bearing bracket Subsequently remove the pump shaft with the bearings from the bearing bracket Disassemble the coupling with a coupling puller and remove the coupling key 2210 Remove the outer circlip 2360 and the adjustment ring 2340 and remove the bearings from the pump shaft Bearing group 4 Knock the lip of the retaining ring 2570 out of the shaft nut 2560 Loosen the shaft nut and remove the bearings from the pump shaft Remove adjustment ring 2340 and adjustment ring 2330 not for bearing group 4 Check whether the oil catchers 2120 and 2125 are not damaged If necessary replace them CN EN E Disassembly and assembly 51 M onn a SON PUMP 7 9 9 Assembly of bearing L4 1 2 9
39. IN 2533 DIN 2532 CN EN E 64 Dimensions PM sounson PUMP CombiNorm a 8 11 Dimensions pump and motor with spacer coupl bearing gr 4 See fig 45 IEC motor ISO 7005 250 280 280 PN16 L M L S M M S M sv max 1065 125 500 150B 400 150 500 200 250 200 315 200 400 250 250 250 315 300 250 300 315 X Baseplate number CN EN E Dimensions 65 M sounson PUMP a u 8 12 Baseplate dimensions and weights 8 12 1 Bearing groups 1 2 amp 3 Baseplate number x 8 12 2 Bearing group 4 Baseplate number x 1 1000 1 1000 1 1100 1 1200 2 900 2 1000 CN EN E 66 Dimensions CombiNorm M onn ON PUMP a S U 9 1 9 1 1 Parts Ordering parts and spare parts Order form You can use the order form included in this manual for ordering parts You must always state the following on the order Your address information The quantity the item number and the description of the part The pump number In the event of different voltages for the electric motor you should state the correct voltage A_N Pump number When ordering parts for a CombiNorm pump please quote the pump reference number on your order You can find the pump number on the type plate o
40. UMP a SON PU 7 7 2 Replacement of the stuffing box packing S1 S2 S3 and S4 410 400 1 ZA figure 27 Stuffing box packing S1 S2 S3 and S4 To replace the stuffing box packing it is not necessary to disassemble the pump The pump should however be drained see 7 3 The item numbers used are referring to figure 27 1 ow Loosen the gland nuts 1810 and push the gland 1140 CN125 500 CN150 500 gland 1140 and gland cap 1145 backward as far as possible Remove the old packing 1120 and a possible lantern ring 1130 Clean the packing space properly Check whether the pump shaft 2200 or the shaft sleeve 1100 is damaged If so you still have to disassemble the pump For disassembly of the shaft sleeve and the pump shaft see 7 7 4 and 7 9 respectively 7 7 3 Mounting a new stuffing box packing S1 S2 S3 and S4 1 Bend the first packing ring open Put it around the pump shaft 2200 resp the shaft sleeve 1100 and press it strongly against the bottom ring 1110 at the bottom of the stuffing box If necessary mount the lantern ring Mount the subsequent rings one by one Press them down properly Make sure that the cuts of the rings are positioned 90 turned in relation to each other Press the gland CN125 500 CN150 500 gland and gland cap against the last ring and tighten the gland nu
41. art Locking liquid impeller nut Loctite 243 throttling bush casing wear ring Loctite 641 throttling bush ML1 and ML2 casing wear ring ML1 and ML2 Tightening moments Loctite 648 Heat Resistant Retainer Tightening moments for bolts and nuts Thread Tightening moment Nm Material 8 8 A2 A4 Tightening moments for impeller nuts Size Tightening moment Nm M12 bearing bracket 1 M16 bearing bracket 2 M24 bearing bracket 3 M36 bearing bracket 4 92 Technical data CN EN E CombiNorm 10 4 M onn ON PUMP a S U Max allowable working pressure Max allowable working pressure bar based on ISO 7005 2 3 Temperature C Material 120 150 180 Cast iron G1 G2 Nodular cast iron NG1 NG2 Bronze B2 Test pressure 1 3 x max working pressure Shaft sealing Max allowable Max group working pressure bar temperature C S1 S2 S3 S4 M1 M2 M3 ML1 ML2 Di Selection based on value S2 M3 and S4 G1 G2 see table in 10 7 ui Selection based on value S2 M3 B2 see table in 10 7 Higher temperatures in consultation All this dependent on the liquid to be pumped KKK Ask our advise for pump selection CN EN E Technical data 93 M onn N PUMP a SON PU 10 5 Pressure in shaft sealing
42. ast iron bronze impeller castiron bronze castiron bronze bronze casing wear ring cast iron bronze castiron bronze bronze bracket support steel gasket plug steel bronze plug steel bronze allen screw steel st st bearing bracket cast iron bearing cover cast iron oil baffle bronze oil filler cap plastic constant level oiler plug steel gasket adjustment screw stainless steel pump shaft steel alloy coupling key steel PO N NIN splash ring rubber ball bearing LA PO DP NIN AH ball bearing 1 4 roller bearing 1 a double row angular contact ball bearing inner circlip spring steel adjustment ring steel adjustment ring steel spacer sleeve steel outer circlip spring steel name plate stainless steel arrow plate aluminium allen screw steel allen screw steel O N washer st st stainless steel steel Item 0800 dependent on pump type 4 8 or 12 Item 0130 not for the pump types of bearing bracket 1 except CN 32 250 CN EN E Parts 71 0952 OLIE 0686 OESZ 0710 rec OLEE OBLE OLLE 0222 O0EO OLLO ALEA OLEO 098 t WW may Z
43. bilities of your specific pump are mentioned in the order confirmation and or in the data sheet enclosed with the delivery e Please 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 CombiNorm is a range of pumps with a modular lay out The main components are e Pump casing impeller e Shaft sealing e Bearing CombiNorm pumps are available in 4 bearing bracket groups The pumps of groups 1 2 and 3 have only one type of pump shaft fit to accommodate all bearing constructions with the exception of CN 200 160 CN 300 200 CN 125 500 and CN 150 500 these pump types have a special type of pump shaft Furthermore the pumps have been standardized in 10 groups with the same connection for stuffing box cover and bearing pedestal depending on the nominal impeller diameters The stuffing box covers are clamped between the pump casing and the bearing bracket except for CN 125 500 and CN 150 500 Pump casing impeller This concerns the parts that are exposed to the pumped liquid For each individual pump type there is only one construction of the pump casing and the impeller These parts can be supplied in 3 different materials or combinations thereof cast iron nodular cast iron and bronze For CN
44. ble for the operation liquid or operation circumstances Gland of seal cover has been tightened too much or crookedly No water cooling of stuffing box at high temperatures The sealing or flushing liquid to the stuffing box or the mechanical seal is polluted 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 Impurities in the liquid get into the stuffing box Too high axial force because of worn dorsal blades or excessive inlet pressure Excessive pressure in packing space due to too much play in the throttling bush blocked by pass pipe or worn dorsal blades CO N Oo A OI INJ CN EN E 30 Problem solving CombiNorm 7 2 7 3 7 3 1 7 3 2 M onn a SON PUMP Disassembly and assembly Precautionary measures 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 e Switch the operating switch near the pump if available to off Switch off the pump switch on the switchboard e f necessary remove the fuses e Hang a danger board near the switchboard cabinet Tools Assembly and disassembly work requires no special tools However such tools can make certai
45. bracket straight Mount the bearing covers 2110 with the gaskets 2160 Place the splash ring 2220 around the pump shaft Mount the shaft seal and the impeller as described in 7 6 and 7 8 10 Mount the coupling 52 CN EN E Disassembly and assembly PH sounson PUMP CombiNorm a 8 Dimensions 8 1 Connections figure 38 Connections bearing groups 1 2 amp 3 figure 39 Connections bearing group 4 Connections Bearing groups 1 2 amp 3 Bearing group 4 Cooling water inlet Rp 1 44 8 Cooling water outlet Rp 1 4 8 Oil drain Rp 1 4 Cooling water drain Rp 1 4 Oil filling plug Rp 1 4 Constant level oiler Rp 1 4 Flushing liquid inlet G 1 4 Shaft sealing vent G 1 4 Quenching liquid drain Quenching liquid inlet Lantern ring inlet Rp 1 4 8 CN EN E Dimensions 53 M onn a SON PUMP 8 2 Dimension print pump bearing groups 1 2 amp 3 figure 40 Dimension print pump bearing groups 1 2 amp 3 8 3 Pump dimensions bearing groups 1 2 amp 3 See fig 40 ISO 7005 PN 16 32 78 40 88 50 65 80 aa ab 200 250 300 ISO 7005 PN 10 ISO 7005 DIN 2533 DIN 2532 CN EN E 54 Dimensions E sounson PUMP alll CombiNorm
46. c pressure piece Never hammer it inside The maximum axial turn of the counter ring is 0 1 mm Place the bearing bracket with the shaft upright and place a new gasket 1300 Push the cover of the mechanical seal onto the pump shaft Push the rotating part of the seal onto the shaft sleeve Put some glycerine or silicon spray on the O ring to prevent it from rolling on the shaft sleeve Fix the rotating part of the seal on the shaft sleeve according to dimension X in the table below See also figure 32 44 CN EN E Disassembly and assembly CombiNorm 7 8 6 E sonn a SON PUMP M2 M3 shaft sleeve diameter shaft diameter Push the shaft sleeve 1200 onto the pump shaft For pump types CN 200 160 and CN 300 200 the shaft sleeve 1200 has to be adjusted according to distance Y see figure 31 Mount the stuffing box cover in the right position in the fitting edge of the bearing bracket Check whether the stuffingbox cover is at right angles to the pump shaft Mount the cover of the mechanical seal 1230 against the stuffing box cover Check the position in view of the connection points Tighten the nuts 1810 crosswise The cover should not be oblique 10 Mount the impeller and other parts see 7 6 Disassembly of the mechanical seal ML1 ML2 0110 1300 1260 figure 33 Mechanical seal ML1 ML2 The item numbers used are referring to figu
47. casing bronze impeller bronze pump casing nodular cast iron impeller cast iron pump casing nodular cast iron impeller bronze shaft sealing gland packing gland packing with shaft sleeve gland packing with shaft sleeve and lantern ring gland packing with shaft sleeve and cooling jacket mechanical seal unbalanced mechanical seal unbalanced with shaft sleeve mechanical seal balanced with shaft sleeve mechanical seal unbalanced air cooled mechanical seal balanced air cooled 2 sealed ball bearings grease lubricated 2RS1 not available for bearing group 4 double row angular contact ball bearing bearing group 4 2 single angular contact ball bearings cylindrical bearing 2 ball bearings oil lubricated not available for bearing group 4 double row angular contact ball bearing bearing group 4 2 single angular contact ball bearings cylindrical bearing oil lubricated CN EN E 14 General CombiNorm 2 3 2 4 2 4 1 2 4 2 2 4 3 E sonn a SON PUMP Application e In general the CombiNorm pumps can be used for thin clean or slightly polluted liquids These liquids should not affect the pump materials e The maximum allowed system pressure and temperature and the maximum speed depend on the pump type and the pump construction For relevant data see the tables in chapter 10 e Further details about the application possi
48. chanical seal seal cover cast iron gasket pipe nipple steel pipe union brass pipe copper pipe union brass extension piece stainless steel stud stainless steel nut brass impeller nut stainless steel spring washer stainless steel washer stainless steel impeller key stainless steel CN EN E Parts 77 M sonn N PUMP a SON PU 9 7 Parts shaft sealing groups S1 M1 CN 200 160 and CN 300 200 figure 51 Shaft sealing groups S1 M1 CN 200 160 and CN 300 200 Shaft sealing group S1 gland packing CN 200 160 and CN 300 200 Number a Description spacer sleeve Materials steel alloy bottom ring brass packing ring seal cover cast iron plug steel stud stainless steel nut brass impeller nut stainless steel spring washer stainless steel washer stainless steel AA Po Pr A A impeller key stainless steel 78 Parts CN EN E CombiNorm figure 52 Shaft sealing groups S1 M1 CN 200 160 and CN 300 200 Shaft sealing group M1 mechanical seal CN 200 160 and CN 300 200 Number k Description spacer sleeve Materials steel alloy
49. compartment for types M1 M2 M3 Pressure in shaft sealing compartment above the pressure on suction side in case of external circulation from pressure side calculated for a specific mass of 1000 kg m n min bar 2100 2400 100 125 100 160 100 200 100 250 100 315 100 400 125 125 125 250 125 315 125 400 125 500 CN EN E 94 Technical data PH sounson PUMP CombiNorm a n min bar 2100 2400 150 125 150 160 150 200 150 250 150 315 150 400 150B 400 150 500 200 160 200 200 200 250 200 315 200 400 250 200 250 250 250 315 300 200 300 250 300 315 CN EN E Technical data 95 M onn N PUMP a SON PU 10 6 Pressure at the impeller hub for types S1 S2 S3 S4 Pressure at the impeller hub above the pression on suction side in case of external circulation from pressure side calculated for a specific mass of 1000 kg m nimin bar 2100 2400 100 125 100 160 100 200 100 250 100 315 100 400 125 125 125 250 125 315 125 400 125 500 CN EN E 96 Technical data PH sounson PUMP CombiNorm a nimin bar 2100 2400 150 125 150 160 150 200 150 250 150 315 150 400 150B
50. d components Also working conditions may cause differences For more detailed information see chapter 10 Re use The pump may only be used for other applications after prior consultation with Johnson Pump or your supplier Since the lastly pumped medium is not always known the following instructions should be observed e flush the pump properly e make sure the flushing liquid is discharged safely environment e Take adequate precautions and use the appropriate personal protection means rubber gloves spectacles Scrapping If it has been decided to scrap a pump the same procedure as for Re use 2 6 should be followed 16 CN EN E General CombiNorm 3 1 3 2 3 3 M onn N PUMP a SON PU Installation Safety e 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 e 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 e Depending on the design the pumps are suitable for liquids with a temperature of up to 200 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 e lf there
51. e pump 3 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 protective cap Adjustment of shaft sealing Stuffing box packing After the pump is started the stuffing box will show a certain amount of leakage Because of the expansion of the packing fibres this leakage will gradually decrease Make sure that the packing never runs dry To prevent this loosen the gland nuts to the extent that the stuffing box leaks dropwise As soon as the pump has reached the proper temperature and leakage is still too much the gland can be adjusted permanently 1 Tighten both gland nuts one after the other a quarter turn 2 Wait 15 minutes after each adjustment before making the next adjustment 3 Continue in this way until an acceptable dropwise leakage has been attained 10 20 cm n Mechanical seal A mechanical seal may never show visible leakage 24 CN EN E Commissioning CombiNorm 4 8 4 9 E sonn a SON PUMP Control If a pump is in operation pay attention to the following e The pump should never run dry e Never use a stop valve in the suction pipe to control pump capacity The stop valve should always be fully opened during operation e Check whether the absolute inlet pressure is sufficient so that no vapour can be formed e Check whether the press
52. e them Assembly of bearing L3 1 2 Clean the interior of the bearing bracket properly Mount the inner circlip 2300 the adjustment ring 2340 and the distance sleeve 2350 on the pump shaft Preheat the bearings and mount them on the pump shaft Make sure they are positioned straight on the shaft and push them firmly against the shaft shoulder and against the distance sleeve 2350 Let the bearings cool down Mount the adjustment ring 2340 and mount the outer circlip 2360 48 CN EN E Disassembly and assembly CombiNorm 7 9 6 9 M sonn N PUMP a SON PU Mount the shaft with bearings starting from the motor side in the bearing bracket Knock the shaft end on the coupling side until the first bearing 2230 slides through the bearing boring After each knock rotate the shaft one turn to prevent bearing damage Mount the inner circlip 2300 in the first groove Carefully knock the shaft further into the bearing bracket until the outer ring of the bearing 2240 touches the inner circlip 2300 The shaft with the bearings should go into the bearing bracket straight Mount the bearing covers 2110 with the gaskets 2160 Place the splash ring around the pump shaft 2220 Mount the shaft seal and the impeller as described in 7 7 7 6 and 7 8 10 Mount the coupling Disassembly of bearing L2 reinforced grease lubricated 2110 2250 2340 Zi figure
53. eller 0120 with a pulley puller or wrest the impeller free by inserting for instance 2 big screwdrivers between the impeller and the stuffing box cover 0110 4 Remove the impeller key 1860 7 6 2 Assembly of the impeller S1 M1 ML1 1 Place the impeller key in the key way of the pump shaft 2 Push the impeller onto the pump shaft against the distance sleeve 1100 for the shaft sealing arrangement S1 or against the shaft sleeve 1200 for the shaft sealing arrangement M1 3 Degrease the pump shaft thread and the thread in the impeller nut 4 Putadrop of Loctite 243 on the thread and mount the impeller nut with washer and spring washer For tightening moment of the nut see chapter 10 CN EN E 36 Disassembly and assembly CombiNorm E sonn a SON PUMP 7 6 3 Disassembly of the impeller S2 S3 M2 M3 ML2 ALLA vo 12 PS ZZZ VO az i 320 340 figure 23 Impeller S2 S3 M2 M3 ML2 The item numbers used are referring to figure 23 1 2 3 Disassemble the back Pull Out unit see7 5 2 Remove the cap nut 1820 and the gasket 1340 Sometimes the nut has to be heated to break the Loctite contact 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 Remove the gasket 1320 Remove the impeller
54. ervice and or maintenance is not undertaken in strict accordance with the instructions e The pump is not installed and operated in accordance with the instructions e Necessary repairs are not undertaken by our personnel or are undertaken without our prior written permission e Modifications are made to the products supplied without our prior written permission e The spare parts used are not original Johnson Pump parts e Additives or lubricants used are other than those prescribed e The products supplied are not used in accordance with their nature and or purpose e The products supplied have been used amateurishly carelessly improperly and or negligently e 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 Service and support This manual is intended for engineering and maintenance staff and for those who are in charge of ordering spare parts Ordering spare parts This manual contains the spare parts recommended by Johnson Pump as well as the instructions for ordering them A fax order form is included in this manual If you have any questions or require further information with regard to specific subjects then do not hesitate to contact Johnson Pump Pump number The
55. es Admissible moments discharge flange N discharge flange Nm discharge flange N discharge flange Nm Fy Fz Fr My Mz Mr Fx Fy Fz Fr Mx My Mz Mr N 125 500 CN 150B 400 N 150 500 N 200 250 N 200 315 N 200 400 N 250 250 N 250 315 N 300 250 N 300 315 AS BR HR RR RR KR AJA Pump casing material cast iron or bronze indications x 1 0 nodular cast iron indications x 1 5 Forces and moments allowed on Centrifugal Pump Flanges Europump CN EN E 104 Technical data CombiNorm 10 11 Noise data 10 11 1 Pump noise as a function of pump power The following data are based on normal use of the pump driven by an electric motor AB A 4103EN E sonn N PUMP a SON PU 0 1 1 10 P kw 100 figure 70 100 96 90 85 80 75 70 66 60 figure 71 Noise level as function of pump power kW at 1450 min dB A 1 10 100 P kW Noise level as function of pump power kW at 2900 min 4104EN CN EN E Technical data 105 M sonn a SON PUMP 10 11 2 Noise HEHHE i
56. ess steel impeller cap nut bronze 82 Parts CN EN E CombiNorm E sonn a SON PUMP 9 11 Parts of shaft sealing group S4 figure 57 Shaft sealing group S4 Number Description shaft sleeve Materials stainless steel bottom ring bronze packing ring gland cast iron cooling jacket cast iron plug steel gasket gasket O ring rubber gasket plug steel pipe nipple steel pipe union brass stud stainless steel nut brass impeller cap nut bronze impeller key stainless steel allen screw steel CN EN E Parts 83 M souNSON PUMP a u 9 12 Parts of shaft sealing group S4 CN 200 160 and CN 300 200 figure 58 Shaft sealing group S4 CN 200 160 and CN 300 200 Number Description Materials shaft sleeve stainless steel bottom ring bronze packing ring gland cast iron cooling jacket cast iron plug steel gasket z gasket O ring rubber gasket plug steel pipe nipple steel pipe union brass stud stainless steel nut brass impeller cap nut bronze impeller key stain
57. flanges The forces and torques acting on the flanges cause deformations in the pump unit Theses are manifested in a displacement of the shaft journal of the pump in relation to the shaft journal of the motor The permissible forces and torques on the flanges should be based on the following maximum values for the radial displacement of the shaft journal of the pump e pumps of bracket group 1 0 15 mm e pumps of bracket group 2 0 20 mm e pumps of bracket group 3 0 25 mm e pumps of bracket group 4 0 30 mm Irrespective of the direction of the forces and torques and their components on the flanges the permissible values should comply with the following equation Di Fn si M ee Fi Vmax F Pmax Mmax v Fy Fvpress Freut lt Fins index v in vertical direction y axis index h in horizontal direction x axis and z Fh Fhpress Frheuct S Fhmax axis M Mpress Msuct lt Mmax M torque in the plane of the flange Fv max Fh max and Mmax are given in the table A distinction is made here between a pump unit with a base plate not grouted and a pump unit with a base plate which is grouted figure 69 Coordinate system 102 CN EN E Technical data JI JOHNSON PUMP CombiNorm a 10 10 1 Permissible forces and moments on the flanges bearing groups 1 2 3 Permitted forces and torques on the flanges based on ISO 5199 See figure 69 Pump unit non grouted Pump unit grouted base Bracket base pla
58. fts and realign if necessary according to the instructions in figure 13 3 4 2 Assembly If the pump and the electric motor still have to assembled proceed as follows 1 2 3 4 5 Mount the two coupling halves on the pump and motor shaft respectively Place the pump on the foundation slab Secure the pump with bolts Place the electric motor on the foundation slab Between the two coupling halves there should be a gap of 3 mm Place some copper shims under the feet of the electric motor Secure the electric motor with bolts Align the coupling according to the following instructions 3 4 3 Alignment of the coupling 1 2 3 Place a ruler A on the coupling The ruler should touch both coupling halves across the whole width See figure 13 Do the same check against both sides of the coupling near the axis For all security the alignment is also checked with a pair of outside calipers B at 2 diametrically opposite points of the side surfaces of the coupling halves See figure 13 figure 13 Aligning the coupling by means of of a ruler and a pair of outside calipers 18 CN EN E Installation JI JOHNSON PUMP CombiNorm a 3 4 4 Tolerances for aligning the coupling The maximum allowable tolerances in the alignment of the coupling halves are shown in the table below See figure 14 figure 14 Alignment tolerances External diameter of Vamax Vamin SOLE 9 min mm max mm mm 8
59. he counter ring of the seal straight into it The notch in the counter ring must correspond to the locking pin 1270 else the counter ring will break If necessary use a plastic pressure piece Never hammer it inside The maximum axial turn of the counter ring is 0 1 mm 3 Place the bearing bracket with the shaft upright and place a new gasket 1300 Push the cover of the mechanical seal onto the pump shaft 5 Push the rotating part of the seal onto the pump shaft or shaft sleeve Put some glycerine or silicon spray on the O ring to prevent it from rolling on the shaft sleeve 6 Push the shaft sleeve onto the pump shaft Verify the position of the shaft sleeve in view of the key ways in the pump shaft and the shaft sleeve 7 Mount the stuffing box cover in the correct position in the fitting edge of the bearing bracket 8 Check whether the stuffing box cover is at right angles to the pump shaft 9 Mount the cover of the mechanical seal 1230 against the stuffing box cover Check the position in view of the connection points Tighten the allen screws 1840 crosswise The cover should not be oblique 10 Push the fan 1250 in position and tighten the locking screws 1850 The fan should not run out of true 11 Mount the impeller and other parts See 7 6 A Bearing Instructions for assembly and disassembly of bearings First read the following instructions regarding assembly and disassembly Follow these instructions closely when asse
60. he ring in two parts from the pump casing see figure 24 D Clean the pump casing and carefully remove all bore dust and metal splinters 7 6 6 Assembly of the casing wear ring 1 2 3 Clean and degrease the fitting edge of the pump casing where the casing wear ring is to be mounted Degrease the outer edge of the casing wear ring and put a few drops of Loctite 641 ML1 and ML2 Loctite 648 on it Mount the casing wear ring in the pump casing Take care it is not pushed out of alignment 38 CN EN E Disassembly and assembly JI JOHNSON PUMP CombiNorm a 7 7 Replacement of the stuffing box packing 7 7 1 Instruction for assembling and disassembling stuffing box packing gt First read the following instructions regarding stuffing box packing Follow these instructions closely when removing and mounting stuffing box packing e For removing old packing your supplier can supply a special packing puller See figure 25 figure 25 A special packing puller e Only use a packing with the right dimensions e Greasen the stuffing box the shaft sleeve and the packing rings with some graphite grease or silicon grease see chapter 10 for the allowed grease types e Bend the packing rings open axially as shown in figure 26 figure 26 Bending the packing rings open axially e For pressing the packing down use a halve piece of tube with the right dimensions CN EN E Disassembly and assembly 39 M onn N P
61. here are no problems it is not advisable to dismantle the seal As the facing surfaces are running in on one another Dismantling always means replacement of the mechanical seal When the shaft seal is leaking it has to be replaced Lubrication of the bearings Grease lubricated bearings L1 L2 e Bearing brackets with two grease packed deep groove ball bearings L1 require no maintenance e The versions with a double row angular contact ball bearing and a cylindrical bearing L2 require re greasing after every 8000 hours of operation The bearings are filled with grease during assembly In case the pump is overhauled the bearing house and the bearings have to be cleaned and provided with new grease See chapter 10 for recommended greases CN EN E Maintenance 27 H onn PUMP a SON PU 5 3 2 5 4 5 5 Oil bath lubricated bearings L3 L4 e During operation the constant level oiler should never be empty so take care to top up timely e The oil should be changed once a year If the oil temperature is higher than 80 C the oil should be changed more often For recommended oils and quantities see chapter 10 Make sure the used oil is discharged safely See to it that it doesn t get into the environment Environmental influences e 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
62. ical seal balanced sealed ball bearings grease lubricated 2RS1 double row or 2 single row in O setup angular contact ball bearing cylindrical bearing grease lubricated oil lubricated ball bearings double row or 2 single row in O setup angular contact ball bearing cylindrical bearing oil lubricated CN EN E 32 Disassembly and assembly CombiNorm 7 5 7 5 1 7 5 2 7 5 3 M sonn a SON PUMP Back Pull Out system CombiNorm pumps have 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 doesn t have a spacer coupling the motor has to be removed from the foundation before disassembly 2100 0140 spacer i SPERA TI Tig e figure 16 Back Pull Out system Disassembly coupling guard 1 Loosen bolts 0230 and nuts 0231 and remove these including washers 0232 and 0233 See figure 19 2 Remove both jackets 0270 See figure 17 3 Mounted with spacer coupling Remove the spacer Else Remove the electric motor Disassembly Back Pull Out unit Disconnect possible flushing and or cooling pipes
63. ions Firstly always check that installation has been executed in accordance with the instructions in this manual and that the operating conditions still correspond with the specifications for which the pump was purchased In general breakdowns in a pump installation are attributable to the following causes 1 Faults with the pump 2 Breakdowns or faults in the pipe system 3 Faults due to incorrect installation or commissioning 4 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 Most common faults Possible causes Pump delivers no liquid Woot 67891011131417 19 20 21 NR 123456789101113141517 1920 Pump has insufficient volume flow 21 28 29 Pump has insufficient head 24513 1417 19 28 29 Pump stops after start up 1234567891011 Pump has higher power consumption 12 15 16 17 18 22 23 24 25 26 27 32 34 than normal 38 39 Pump has lower power consumption than 1314151617 18 20 21 28 29 normal The stuffing box is leaking excessively 6 7 23 25 26 30 31 32 33 43 Shaft packing or mechanical seal have to be replaced to often 6 7 23 25 26 30 32 33 34 36 41 Pump vibrates or is noisy oi Sa 19 20 22 23 24 25 26 27 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 CN EN E Problem solving 29 M onn N PUMP a
64. is danger of static electricity the entire pump unit must be earthed e If there is a danger that the pumped liquid might be harmful to men or the environment the user should take appropriate measures for safe drainage Also possible leakage fluid from the shaft seal should be safely discharged 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 e The foundation must be hard level and flat e 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 e There should be sufficient space around the pump unit to operate and if necessary repair it e 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 CN EN E Installation 17 M onn a SON PUMP 3 4 Mounting 3 4 1 Installation of the set Pumps and motor shafts of complete sets are adjusted perfectly in line in the works In case of permanent arrangement place the base plate on the foundation with the aid of shims and tighten the nuts on the foundation bolts carefully Then check the alignment of pump and motor sha
65. key 1860 CN125 500 CN150 500 impeller keys 1860 1865 7 6 4 Mounting the impeller S2 S3 M2 M3 ML2 1 2 3 Mount the gasket 1320 Place the impeller key 1860 CN125 500 CN150 500 impeller keys 1860 1865 in the key way s of the pump shaft Push the impeller onto the pump shaft until it touches the gasket 1320 Degrease the thread on the pump shaft and the thread in the cap nut Put a drop of Loctite 243 on the thread and mount the cap nut and gasket For tightening moment of the nut see table in chapter 10 CN EN E Disassembly and assembly 37 M onn a SON PUMP 7 6 5 Disassembly of the casing wear ring After removing the Back Pull Out unit see 7 5 1 the casing wear ring can be removed CN 32 250 and bearing groups 2 3 and 4 In most cases the ring has been fixed so tightly that it cannot be removed undamaged figure 24 Disassembly of the casing wear ring 4 5 Measure the thickness D and the width B of the ring see figure 24 A Make a centre hole in the middle of the edge of the ring at two opposite points See figure 24 B 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 Use a chisel to cut the remaining part of the ring thickness Now you can remove t
66. l bearing bearing group 4 the 2 single row angular contact ball bearings and the inner ring of the roller bearing and mount them on the pump shaft Watch the mounting sequence Mount the angular contact ball bearings on the drive side The 2 single row angular contact ball bearings are te be mounted in O setup Make sure they are positioned straight on the pump shaft and press them firmly against the shaft shoulder and against the adjustment ring 2340 Let the bearings cool down 5 Mount the other adjustment ring 2340 and mount the outer circlip 2360 Bearing group 4 Mount the retaining ring 2570 and put the shaft nut 2560 on the pump shaft Tighten the shaft nut and secure it by knocking a lip of the retaining ring into the opening of the shaft nut 6 Mount the shaft with bearings starting from the motor side in the bearing bracket Make sure the Nilos ring 2320 is placed before the inner circlip and mount the inner circlip 2300 in the second groove 7 Carefully knock the shaft further into the bearing bracket until the outer ring 2260 of the bearing touches the inner circlip 2300 The Nilos ring 2320 is now locked between the bearing and the inner circlip 8 Mount the outer ring of the roller bearing This ring should go into the bearing bracket straight 9 Mount the bearing covers 2110 and the splash ring 2220 10 Mount the shaft seal and the impeller as described in 7 6 and 7 8 11 Mount the coupling CN
67. less steel allen screw steel CN EN E 84 Parts CombiNorm Parts of shaft sealing group S4 for CN bearing group 4 RAIN AAA eal A tee al ate Aopen ema etuuszi M soHnSON PUMP a u a Shaft sealing group S4 for bearing bracket group 4 figure 59 Number Description Materials 1 plug cast iron 1 shaft sleeve stainless steel 1 bottom ring bronze 5 packing ring 3 1 gland bipartite cast iron 1 gland cap cast iron 1 cooling jacket cast iron 1 plug steel 1 gasket 1 gasket 1 O ring rubber 1 gasket 5 1 plug steel 2 pipe nipple steel 2 pipe union brass 2 stud stainless steel 2 nut brass 1 impeller cap nut bronze 4 allen screw steel CN EN E Parts 85 M sonn a SON PUMP 9 14 Parts of shaft sealing groups M2 M3 figure 60 Shaft sealing groups M2 M3 ar Materials Description z cast iron bronze shaft sleeve bronze throttle bush bronze mechanical seal Z seal cover cast iron bronze lock pin stainless steel gasket plug steel Sap gasket stainless plug steel gasket sealing ring copper sealing ring copper male connector s
68. lied separately e lf the liquid does not flow towards the pump mount 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 so as to prevent internal pump parts from being damaged by foreign matter If the risk of damage continues to exist mount a permanent filter In case of a pump with a cooled stuffing box shaft sealing variant S4 connect the cooling chamber to the cooling system 20 Installation CN EN E CombiNorm 3 7 A 3 8 3 8 1 3 8 2 M sonn PUMP a SON PU 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 e Refer to the instruction manual belonging to the electric motor e f possible mount 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 e Comply with the local safety regulations e The exhaust of combustion gases
69. mbling and disassembling bearings Disassembly e Use a proper puller to remove the bearings from the pump shaft e f no proper puller is available carefully knock the inner raceway of the bearing Use a normal hammer and a soft metal drift Never knock the bearing with a hammer Assembly e Make sure your workplace is clean and leave the bearings in their original packaging as long as possible e Make sure the shaft and the bearing seats do have a smooth surface free of burrs e Slightly oil the shaft and the other relevant parts before assembly e Preheat the bearings to 110 C before mounting them on the pump shaft 46 CN EN E Disassembly and assembly CombiNorm 7 9 2 7 9 3 M sonn PUMP a SON PU If preheating is not possible then knock the bearing onto the shaft Never knock the bearing directly Use a mounting bush positioned against the inner raceway of the bearing and a normal hammer a soft hammer might loose some splinters which could damage the bearing Disassembly of bearing L1 standard grease lubricated 2200 i NS Se va sal ae vb SAW la i ISS g SESH ani 2 50 2300 figure 34 Bearing L1 standard grease lubricated The item numbers used are referring to figure 34 1 2 3 6 7 Disassemble the impeller and shaft seal See 7 6 and 7 8 Remove the splash ring 2220 and the bearing covers 21
70. must be screened off to prevent incidental contact e The starting device should automatically be disengaged after the engine has been started e The maximum speed of the engine set by us should not be changed e 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 CN EN E Installation 21 E sounson PUMP alll CN EN E 22 Installation CombiNorm M onn N PUMP a SON PU 4 1 4 2 4 3 4 4 Commissioning Control pump e Check whether the shaft turns freely Do this by turning the shaft end at the coupling a few times by hand e Construction with stuffing box check whether the gland nuts have not been over tightened If necessary loosen the gland nuts and retighten them by hand Control motor If driven by an electric motor e Check whether the fuses have been mounted If driven by a combustion engine e Check whether the room in which the engine is placed is well ventilated e Check whether the exhaust of the engine is not obstructed e Before starting the engine check the oil level e Never run the engine in a closed room Preparation of lubrication e The bearings of pumps provided with grease lubricated bearings L1 L2 are filled with grease at deliver
71. n jobs easier for instance replacing the shaft seal If such is the case it will be indicated in the text Draining Make sure no liquid or oil gets into the environment Liquid draining Before starting any disassembly the pump should be drained by removing the drain plug 0310 If necessary close the valves in the suction and delivery pipe and in the flushing or cooling pipe to the shaft seal Take the following precautions if harmful liquids are pumped e Wear protective gloves shoes glasses etc e Flush the pump properly e Then put the draining plug back Oil draining 1 Ifthe pump is designed with oil lubricated bearings drain the oil by removing the drain plug 2150 2 Put the drain plug back If possible wear protective gloves Regular contact with oil products may result in allergic reactions CN EN E Disassembly and assembly 31 M onn PUMP a SON PU 7 4 Construction variants The pumps are delivered in various construction variants Each variant has a code which is stated in the type identification on the type plate on the pump stuffing box packing stuffing box packing with shaft sleeve stuffing box packing with shaft sleeve and lantern ring stuffing box packing with shaft sleeve and cooling jacket mechanical seal unbalanced mechanical seal unbalanced shaft sleeve mechanical seal balanced shaft sleeve mechanical seal unbalanced air cooled mechan
72. n the pump and on the label on the first page of these operating instructions Recommended spare parts Parts marked with a are recommended spare parts CN EN E Parts 67 CG 0286 VES LC 70 LO c 0686 OVLO OSE Of C7 OC CC OLLO psi Z S 7 S E lt i Lu i IAS AM OZIO rors OF LC CN EN E Parts a fF sounson PUMP Pump parts L1 L2 9 2 Sectional drawing L1 L2 9 2 1 CombiNorm with bearing L1 L2 figure 46 68 CombiNorm 9 2 2 Number Parts list L1 L2 Description pump casing H sonn a SON PUMP Materials NG1 cast iron nodular cast iron bronze stuffing box cover cast iron nodular cast iron bronze impeller castiron bronze castiron bronze bronze casing wear ring castiron bronze castiron bronze bronze bracket support steel gasket plug steel bronze plug steel bronze allen screw steel st st bearing bracket cast iron bearing cover cast iron bearing cover cast iron grease nipple steel grease nipple steel sealing ring rubber pump shaft steel alloy coupling key
73. not to damage the seal during assembly Never put the rings down on their sliding surfaces CN EN E Disassembly and assembly 41 M onn a SON PUMP 7 8 2 Disassembly of the mechanical seal M1 Ai EN EY figure 29 Mechanical seal M1 The item numbers used are referring to figure 29 1 Disassemble the impeller see 7 6 2 Remove the nuts 1810 and push the cover of the mechanical seal 1230 backward 3 Mark the position of the stuffing box cover 0110 in relation to the bearing bracket 2100 Knock the stuffing box cover loose and remove it 4 Push the shaft sleeve 1200 and the rotating part of the shaft seal 1220 off the shaft For pump types CN 200 160 and CN 300 200 the tightening screws 1260 have to be loosened first See figure 31 5 Push the mechanical seal cover off the pump shaft and push the counter ring out of it 7 8 3 Assembly of the mechanical seal M1 gt Special tools Assembly of the mechanical seal is easier with a special conical mounting bush The mounting bush covers the sharp edges on the shaft so the risk of damaging the seal during assembly is reduced See figure 30 LLGZLLLLLLLLLLLLLLLE 048 bo Oo cd figure 30 Special conical mounting bush 1 Make sure the shaft sleeve 1200 the smothering
74. on for assembling 92 27 91 27 28 24 41 41 92 37 41 40 20 92 25 28 91 11 102 102 19 31 23 23 96 94 16 36 36 40 9 17 16 24 17 11 12 39 Stuffing box packing Adjustment T Tightening moments bolts and nuts impeller nuts Tolerances for aligning the coupling Tools Transport Typification W Working pressure working switch 24 92 92 19 31 11 14 93 21 108 Index CN EN E M sonn N PUMP a SON PU 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 Pumptype Execution Quantity Article number pump Delivery address Invoicing address BESTFORM 004 EN 109 fF sounson PUMP BESTFORM 004 EN 110 Johnson Pump Group Parent Company SWEDEN Johnson Pump AB Tel 46 0 19 21 83 00 Fax 46 0 19 27 23 30 National Sales Organisations AUSTRALIA Johnson Pump Australia Pty Ltd Tel 61 0 7 3899 9933 Fax 61 0 7 3899 8574 BELGIUM Johnson Pump N V S A Belgium Tel 32 0 2 422 15 50 Fax 32 0 2 422 15 59 the Netherlands Tel 31 0 592 34 28 33 Fax 31 0 592 40 93 51 DENMARK Johnson Pumper A S Tel 45 43 52 24 00 Fax 45 43 52 15 77 FINLAND Johnson Pump Oy Tel 358 0 9 348 3800 Fax 358 0 9
75. pump number is stamped on the type plate of the pump For correspondence and when ordering spare parts you should always state this number and the other information on the type plate The pump information is also stated on the label on the front of this manual Checking goods delivered 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 10 CN EN E Introduction CombiNorm 1 6 1 6 1 1 6 2 1 6 3 E sonn a SON PUMP Instructions for transport and storage Dimensions and weight The CombiNorm range pump units are generally too heavy to be moved by hand Therefore use the correct transport and lifting equipment Dimensions and weight of the pump unit are shown on the label in the front of this manual Use of pallets In most cases the pump is packed on a pallet In that case leave the pump on the pallet as long as possible in order to avoid damages and facilitate possible further transport in case the pump has to be moved elsewhere Use of a forklift truck always set the forks as far apart as possible and lift the pallet using both forks Avoid jolting the pump when moving it Hoisting When hoisting a pump or complete pump units the straps must be fixed in accordance with figures 11 and 12 Never stand underneath a hoisted pump
76. re 33 1 2 3 Remove the impeller See 7 6 Loosen the locking screws 1850 and push the fan 1250 towards the bearing Remove the allen screws 1840 and push the cover of the mechanical seal 1230 backward Mark the position of the stuffing box cover 0110 in relation to the bearing bracket 2100 Knock the stuffing box cover loose and remove it Pull the shaft sleeve 1200 from the pump shaft Push the rotating part of the seal from the shaft For the shaft seal group ML2 the rotating part of the shaft seal stuck to the shaft sleeve Loosen the set screws and slide the rotating part off the shaft sleeve Push the cover of the mechanical seal 1230 off the pump shaft and push the counter ring out of the cover CN EN E Disassembly and assembly 45 M onn PUMP a SON PU 7 8 7 7 9 7 9 1 Assembly of the mechanical seal ML1 ML2 Special tools the seal groups M1 and ML1 are easily mounted by using a special conical mounting bush The mounting bush covers the sharp edges on the shaft which means that the risk of damaging the seal during assembly is reduced See also figure 30 1 Make sure the shaft sleeve 1200 the smothering bush 1210 and the splash ring 2220 are not damaged The splash ring should also clasp the shaft properly If necessary replace these parts Secure the smothering bush with Loctite 648 Heat resistant retainer 2 Put the cover of the mechanical seal flat down and press t
77. s and weight 11 1 6 2 Use of pallets 11 1 6 3 Hoisting 11 1 6 4 Storage 12 2 General 13 2 1 Pump description 13 2 2 Typification 14 2 3 Application 15 2 4 Construction 15 2 4 1 Pump casing impeller 15 2 4 2 Shaft sealing 15 2 4 3 Bearing 15 2 5 Application area 16 2 6 Re use 16 2 7 Scrapping 16 3 Installation 17 3 1 Safety 17 CNIEN 5 Table of contents 3 M onn a SON PUMP 3 2 Preservation 17 3 3 Environment 17 3 4 Mounting 18 3 4 1 Installation of the set 18 3 4 2 Assembly 18 3 4 3 Alignment of the coupling 18 3 4 4 Tolerances for aligning the coupling 19 3 5 Piping 19 3 6 Mounting accessories 20 3 7 Connection of the electric motor 21 3 8 Combustion engine 21 3 8 1 Safety 21 3 8 2 Sense of rotation 21 4 Commissioning 23 4 1 Control pump 23 4 2 Control motor 23 4 3 Preparation of lubrication 23 4 4 Preparing the unit for commissioning 23 4 5 Checking the sense of rotation 24 4 6 Starting the pump 24 4 7 Adjustment of shaft sealing 24 4 7 1 Stuffing box packing 24 4 7 2 Mechanical seal 24 4 8 Control 25 4 9 Noise 25 5 Maintenance 27 5 1 Daily maintenance 27 5 2 Shaft sealing 27 5 2 1 Gland packing 27 5 2 2 Mechanical seal 27 5 3 Lubrication of the bearings 27 5 3 1 Grease lubricated bearings L1 L2 27 5 3 2 Oil bath lubricated bearings L3 L4 28 5 4 Environmental influences 28 5 5 Noise 28 5 6 Faults 28 6 Problem solving 29 CN EN E 4 Table of contents CombiNorm M sonn PUMP a SON PU 7
78. sassembly of bearing L1 standard grease lubricated 47 7 9 3 Assembly of bearing L1 47 7 9 4 Disassembly of bearing L3 standard oil lubricated 48 7 9 5 Assembly of bearing L3 48 7 9 6 Disassembly of bearing L2 reinforced grease lubricated 49 CNIEN 5 Table of contents 5 M onn a SON PUMP 7 9 7 7 9 8 7 9 9 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 8 10 8 11 8 12 8 12 1 8 12 2 9 1 9 1 1 9 1 2 9 1 3 9 2 9 2 1 9 2 2 9 3 9 3 1 9 3 2 9 4 9 4 1 9 4 2 9 5 9 5 1 9 5 2 9 6 9 7 Assembly of bearing L2 Disassembly of bearing L4 reinforced oil lubricated Assembly of bearing L4 Dimensions Connections Dimension print pump bearing groups 1 2 amp 3 Pump dimensions bearing groups 1 2 amp 3 Dimension print pump bearing group 4 Pump dimensions pump bearing group 4 Dimension print pump and motor with standard coupling Dimensions pump and motor with stand coupl bearing gr 1 2 amp 3 Dimensions pump and motor with stand coupl bearing gr 4 Dimension print pump and motor with spacer coupling Dimensions pump and motor with spacer coupl bearing gr 1 2 amp 3 Dimensions pump and motor with spacer coupl bearing gr 4 Baseplate dimensions and weights Bearing groups 1 2 amp 3 Bearing group 4 Parts Ordering parts and spare parts Order form Pump number Recommended spare parts Pump parts L1 L2 Sectional drawing L1 L2 Parts list L1 L2 Pump parts L3 L4 Sectional drawing L3 L4 Parts list
79. te plate group Fymax Fhmax Mmax Fvmax Fhmax Mmax Nm N N Nm 100 125 100 160 100 200 100 250 100 315 100 400 125 125 125 250 125 315 125 400 150 125 150 160 150 200 150 250 150 315 150 400 200 160 1375 5700 200 200 1375 5700 250 200 1800 6500 300 200 1900 7100 Pump casing materials cast iron or bronze indications x 1 0 nodular cast iron indications x 1 5 WWW INA W N JO MH MH NM MH FO M M JM JN JP JH FH FH FY JH e N44 CN EN E Technical data 103 H onn PUMP a SON PU 10 10 2 Permissible forces and moments on the flanges bearing group 4 Permissible forces and moments on the flanges based on Europump Pump unit with a non grouted base plate Pump unit witha grouted base plate bearing Admissible forces Admissible moments Admissible forces Admissible moments eret suction flange N suction flange Nm suction flange N suction flange Nm Fx Fy Fz My Mz Mr Fx Fy Fz Mx My Mz Mr N 125 500 CN 150B 400 N 150 500 N 200 250 N 200 315 N 200 400 N 250 250 N 250 315 N 300 250 N 300 315 BR R HR BR BR BR KR BR BR Pump unit with a non grouted base plate Pump unit with a grouted base plate Admissible forces Admissible moments Admissible forc
80. teel brass F stainless pipe copper steal male connector brass extension piece stainless steel stud stainless steel nut brass washer steel impeller cap nut bronze impeller key stainless steel CN EN E 86 Parts CombiNorm 9 15 1860 1100 1260 figure 61 Shaft sealing group M2 CN 200 160 and figure 62 CN 300 200 Number E sonn a SON PUMP Parts of shaft sealing groups M2 M3 CN 200 160 and CN 300 200 1260 Description Materials M2 M3 spacer sleeve cast iron bronze steel alloy shaft sleeve bronze O ring viton throttle bush bronze mechanical seal seal cover cast iron bronze set screw stainless steel lock pin stainless steel gasket plug steel stainless steel plug steel stainless steel gasket sealing ring copper sealing ring copper male connector brass pipe stainless steel male connector brass extension piece stainless steel stud stainless steel nut brass washer steel impeller cap nut bronze 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 4 4 4 1 1 impeller key stainless steel CN EN E Parts 87 M sonn a SON PUMP 9 16 Parts of shaft sealing groups M2
81. tor IP54 160 160 180 M L JM sv max 630 670 700 100 125 100 160 100 200 100 250 CN EN E Dimensions 59 E sounson PUMP alll IEC motor IP54 160 160 180 MIL sv max 100 315 100 400 125 125 125 250 125 315 125 400 150 125 150 160 150 200 150 250 150 315 150 400 200 160 200 200 250 200 300 200 X Baseplate number ISO 7005 DIN 2533 DIN 2532 CN EN E 60 Dimensions PM sounson PUMP CombiNorm a 8 8 Dimensions pump and motor with stand coupl bearing gr 4 See fig 43 IEC motor ISO 7005 250 280 PN16 L M L L S M M S sv max 1065 125 500 150B 400 150 500 200 250 200 315 200 400 250 250 250 315 300 250 300 315 X Baseplate number CN EN E Dimensions 61 M onn ON PUMP a S U 8 9 Dimension print pump and motor with spacer coupling
82. ts crosswise by hand See 4 7 1 for correct adjustment of the gland 40 CN EN E Disassembly and assembly CombiNorm 7 7 4 7 1 5 7 8 7 8 1 E sonn N PUMP a SON PU Disassembly of the shaft sleeve S2 S3 S4 1 Disassemble the impeller see 7 6 2 Pull the shaft sleeve 1100 from the pump shaft Mounting the shaft sleeve S2 S3 S4 1 Slide the shaft sleeve over the pump shaft Watch the position of the key ways in the shaft sleeve in respect of those in the pump shaft 2 For pump typesd CN 200 160 and CN 300 200 the shaft sleeve must be adjusted according to distance Y see figure 28 3 Mount the impeller and the other parts see 7 6 and 7 7 3 1100 RQ SSSA Of gk 200 1260 Figura 28 Adjusting shaft sleeve of CN 200 160 and CN 300 200 Mechanical seal 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 e Leave the assembly of a mechanical seal with PTFE Teflon covered O rings to a specialist These rings are easily damaged during assembly e A mechanical seal is a fragile precision instrument Leave the seal in its original packing until you are ready to mount it e Clean all receiving parts properly Make sure your hands and working environment are clean e Never touch the sliding surfaces with ones fingers e Take care
83. ure difference between suction and delivery pressure corresponds with the specifications for the duty point of the pump Noise The noise production of a CombiNorm pump depends to a great extent on the operating conditions The values stated in chapter 10 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 case 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 CN EN E Commissioning 25 fF sounson PUMP eee CN EN E 26 Commissioning CombiNorm 5 1 5 2 5 2 1 5 2 2 5 3 5 3 1 M sonn PUMP a SON PU Maintenance Daily maintenance Regularly check the outlet pressure 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 Shaft sealing Gland packing Do not tighten the gland nuts any more after the running in period and adjustment If in time the gland packing starts to leak excessively new gasket rings have to be mounted instead of further tightening the gland nuts Mechanical seal A mechanical seal generally requires no maintenance however it should never be allowed to run dry If t
84. veries accordingly 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 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 Johnson Pump with the utmost care Nevertheless Johnson Pump 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 Johnson Pump reserves the right to change safety instructions CN EN E Introduction 9 M sonn N PUMP a SON PU 1 3 1 4 1 4 1 1 4 2 1 5 Guarantee Johnson Pump shall not be bound to any guarantee other than the guarantee accepted by Johnson Pump In particular Johnson Pump 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 e S
85. y e Pumps provided with oil bath lubricated bearings L3 L4 are supplied without oil See chapter 10 for the specifications of the oil to be used 1 Fill the oil sump through the oil filling orifice up to the bottom of the constant level oiler 2 After that fill the constant level oiler entirely Preparing the unit for commissioning Proceed as follows both when the unit is put into operation for the first time and after the pump has been overhauled 1 Fully open the stop valve in the suction pipe Close the delivery stop valve 2 Fill the pump and the suction pipe with the liquid to be pumped 3 Turn the pump shaft a few times by hand and add more liquid if necessary CN EN E Commissioning 23 M sonn PUMP a SON PU 4 6 4 7 4 7 4 4 7 2 Checking the sense of rotation Beware of possible non screened rotating parts when checking the sense of rotation 1 Thesenseof rotation of the pump is indicated by an arrow Check whether the sense of rotation of the motor corresponds with that of the pump 2 Let the motor run for only a short time and check the sense of rotation 3 If the sense of rotation is not correct alter the sense of rotation See the the instructions in the user manual belonging to the electric motor 4 Mount the protective cap Starting the pump 1 Open the stop valve in the supply piping for flushing or cooling liquid if the pump is supplied with a flushing or cooling system 2 Start th

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