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Centrifugal pump with

volute casing

Original Operating Manual

CNH-ML series

Version

BA-2017.02 en-US

ID-No.

550 406
160-276/0

ALLWEILER GmbH
Postfach 1140
Allweilerstr. 1
78301 Radolfzell
Germany
Phone: +49 (0) 7732-86-0
Fax: +49 (0) 7732-86-436
Email: [email protected]
Internet: http://www.allweiler.com

We reserve the right to make technical changes.
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Содержание CNH-ML Series

Страница 1: ...en US ID No 550 406 160 276 0 ALLWEILER GmbH Postfach 1140 Allweilerstr 1 78301 Radolfzell Germany Phone 49 0 7732 86 0 Fax 49 0 7732 86 436 Email service allweiler de Internet http www allweiler com...

Страница 2: ...minal diameters 18 5 5 3 Specifying pipe lengths 18 5 5 4 Optimizing cross section and direction changes 18 5 5 5 Discharging leaks 19 5 5 6 Providing safety and control devices recommended 19 5 6 Con...

Страница 3: ...rameters for auxiliary systems 41 9 2 3 Sound pressure level 41 9 2 4 Tightening torques 42 9 2 5 Lubricants 42 9 2 6 Cleaning agents 42 9 2 7 Height offset to align the motor using adjusting screw 43...

Страница 4: ...operating temperature 45 List of tables Tab 1 Target groups and their duties 5 Tab 2 Other applicable documents and their purpose 5 Tab 3 Warnings and consequences of disregarding them 6 Tab 4 Symbol...

Страница 5: ...ecially all safety information and warnings Tab 1 Target groups and their duties 1 2 Other applicable documents Document Purpose ATEX additional instructions Operation in explosion hazard areas Order...

Страница 6: ...ing them Symbol Meaning Safety warning sign Take note of all information highlighted by the safety warning sign and follow the instructions to avoid injury or death Instruction 1 2 Multiple step instr...

Страница 7: ...e that the limits for the proportion of solids and the grain size are maintained order data sheet technical description When using auxiliary systems ensure that there is a con tinuous supply of the ap...

Страница 8: ...ginal parts or parts that have been approved by the manufacturer 2 2 3 Duties of the operating personnel All directions given on the pump must be followed and kept legible e g the arrow indicating the...

Страница 9: ...2 Fig 2 ATEX plate example 1 Explosion protection mark 2 Reference to ATEX additional instructions 3 1 3 Pump type code Fig 3 Pump type code example 1 Pump series 2 Nominal outlet flange diameter mm...

Страница 10: ...4 6 7 8 5 Fig 4 CNH ML construction with grease lubrication 1 Volute casing 2 Magnetic coupling 3 Bearing bracket 4 Shaft 5 Limit for heat insulation 6 Plain bearing 7 Pump shaft 8 Impeller 10 CNH ML...

Страница 11: ...and function 3 3 Auxiliary systems 3 3 1 Heating the casing Fig 5 Heating the casing 1 Heating the casing 2 Limit for heat insulation 3 Heating the cover 160 276 0 550 406 BA 2017 02 en US CNH ML ser...

Страница 12: ...afe distance of at least 150 mm from the magnetic coupling 4 1 1 Unpacking and inspection on delivery 1 Unpack the pump aggregate on delivery and inspect for damage 2 Report any damage to the manufact...

Страница 13: ...If necessary isolate the area Make sure that personnel with pacemakers keep a safe distance of at least 1 m Make sure that no magnetizable metal parts can be attracted by the magnetic coupling of the...

Страница 14: ...ch an extent that cleaning will be insufficient DANGER Risk of death and material damage due to magnetic field Make sure that personnel who have a pacemaker do not perform any work on the pump Secure...

Страница 15: ...1 2 Preparing the site for the installation Ensure that the site meets the following conditions pump is freely accessible from all sides sufficient space for installation removal of the pipes and for...

Страница 16: ...n drawing steel washers non shrinking mortar concrete spirit level 1 Lift the pump aggregate 4 1 Transport Page 12 2 Working from below locate the foundation bolts in the base plate fixing holes Follo...

Страница 17: ...er data sheet Implements tools and materials Wrench Spirit level DANGER Risk of death and material damage due to magnetic field Make sure that personnel who have a pacemaker do not perform any work on...

Страница 18: ...9 2 8 Flange loads according to ISO 5199 Page 44 1 Calculate pipe forces taking every possible operating con dition into account cold warm empty full unpressurized pressurized shift in position of fl...

Страница 19: ...that personnel with pacemakers keep a safe distance of at least 1 m Make sure that no magnetizable metal parts can be attracted by the magnetic coupling of the pump Make sure that parts of the magnet...

Страница 20: ...be attracted by the magnetic coupling of the pump Make sure that parts of the magnetic coupling cannot be attracted by the magnetizable metal parts Keep all magnetic sensitive objects at a safe distan...

Страница 21: ...ge 1 Position the straightedge across both halves of the coupling If there is a visible gap under the straightedge on the outer diameter align the motor 5 9 Aligning the motor Page 22 3 Measure the ga...

Страница 22: ...the height offset measured 9 2 7 Height offset to align the motor using adjusting screw Page 43 2 Loosen the hexagon head bolts 1 3 Carry out the following steps on all adjusting screws 3 Hold the ad...

Страница 23: ...sing size type of shaft seal and auxiliary sys tems 6 1 2 Remove the preservative treatment Only necessary for pumps treated with preservative 6 1 3 Lubricating the bearings Pumps with grease lubricat...

Страница 24: ...the pump Secure the work area If necessary isolate the area Make sure that personnel with pacemakers keep a safe distance of at least 1 m Make sure that no magnetizable metal parts can be attracted b...

Страница 25: ...the motor if necessary 5 8 Precisely align the coupling Page 21 6 2 2 Switching off The pressure side armature is closed recommended WARNING Risk of injury caused by hot pump parts Use personal prote...

Страница 26: ...gnetic field Make sure that personnel who have a pacemaker do not perform any work on the pump Secure the work area If necessary isolate the area Make sure that personnel with pacemakers keep a safe d...

Страница 27: ...ot be attracted by the magnetizable metal parts Keep all magnetic sensitive objects at a safe distance of at least 150 mm from the magnetic coupling DANGER Risk of injury due to running pump Do not to...

Страница 28: ...prior to any fitting or maintenance work DANGER Risk of death due to electric shock Have all electrical work carried out by qualified electricians only WARNING Risk of injury and poisoning due to haz...

Страница 29: ...down components safely and secure them against overturning or rolling away WARNING Risk of injury during disassembly Secure the pressure side gate valve against accidental opening Depressurize the bl...

Страница 30: ...erial damage due to magnetic field Make sure that personnel who have a pacemaker do not perform any work on the pump Secure the work area If necessary isolate the area Make sure that personnel with pa...

Страница 31: ...ared markings 3 Install pump Sectional drawing 4 Install the pump in the system 5 Setup and connection Page 15 7 5 Ordering replacement parts For trouble free replacement in case of any fault we rec o...

Страница 32: ...le below This number identifies the respective cause and rem edy in the troubleshooting list Fault Number Pump not pumping 1 Pumping rate insufficient 2 Pumping rate excessive 3 Pumping pressure insuf...

Страница 33: ...th manufacturer X X X Pressure side armature not opened sufficiently Open the pressure side armature X X X Magnetic coupling was torn off Turn off the pump and then turn it back on X X X X Pressure pi...

Страница 34: ...ion bearing in bearing housing Replace antifriction bearings X X X Sleeve bearing defective Replace sleeve bearing X X Faulty antifriction bearing in motor Replace the antifriction bearing manufacture...

Страница 35: ...ing 314 03 Thrust bearing 321 01 Ball bearing 321 02 Ball bearing 330 01 Bearing bracket 360 01 Bearing cover 360 05 Bearing cover 400 01 Seal 400 04 Seal 400 05 Seal 402 05 Seal Part no Designation 4...

Страница 36: ...903 13 Screw plug 903 20 Screw plug 903 21 Screw plug 903 22 Screw plug 910 01 Eye bolt 914 04 Cheese head screw 914 20 Cheese head screw 914 22 Cheese head screw 914 23 Cheese head screw 920 01 Hexa...

Страница 37: ...Appendix 9 1 3 Overview sectional drawing Fig 17 CNH ML with oil lubrication 160 276 0 550 406 BA 2017 02 en US CNH ML series 37...

Страница 38: ...02 102 01 400 01 914 20 411 20 910 01 529 02 550 23 560 01 818 03 914 22 930 04 940 03 818 02 970 01 314 02 515 04 550 22 920 01 903 20 902 01 161 01 321 01 411 56 903 12 330 01 914 04 402 05 932 01 5...

Страница 39: ...Appendix Fig 19 CNH ML with heating 160 276 0 550 406 BA 2017 02 en US CNH ML series 39...

Страница 40: ...Appendix Fig 20 CNH ML with double thrust bearing 9 1 4 Coupling guard Fig 21 Coupling guard on base plate versions 40 CNH ML series BA 2017 02 en US 160 276 0 550 406...

Страница 41: ...Distance to pump 1 m Operation cavitation free Motor IEC standard motor Tolerance 3 dB Lower noise versions of the motors are available if the expected noise levels exceed the allowed limits Sound pr...

Страница 42: ...19 Tightening torques 9 2 5 Lubricants Lubricant quality high quality additive treated mineral oil to DIN 51517 CL 100 or to ISO 3448 VG 100 recommended Size of the bearing housing approx oil qty l 1...

Страница 43: ...125 0 54 130 0 56 135 0 58 140 0 60 145 0 63 150 0 65 155 0 67 160 0 69 165 0 71 170 0 73 175 Height adjustment mm Rotation angle of spindle Setting aid 0 75 180 1 2 turn 0 77 185 0 79 190 0 81 195 0...

Страница 44: ...80 315 5900 3800 1850 8800 7100 3900 80 400 5400 3500 1650 8100 6500 3400 100 160 5000 3200 1500 7600 6000 3050 100 200 7000 4400 2300 10300 8700 5000 100 250 7900 5000 2700 11600 10300 6000 100 315 7...

Страница 45: ...pumps 2 3 4 5 6 and 7 8 and 9 9 Part no Part designation Set quantity of spare parts 210 01 921 01 921 02 930 01 930 04 940 01 940 03 Pump shaft Shaft nut Shaft nut Spring ring Spring ring Shaft key S...

Страница 46: ...ng sleeve Tension ring Disc 1 1 2 2 2 3 30 545 01 515 01 Bearing bush Tension ring 1 1 2 2 2 3 30 545 02 515 03 Bearing bush Tension ring 1 1 2 2 2 3 30 817 01 411 26 Separating can Seal ring 1 1 2 2...

Страница 47: ...if applicable to service emea gr colfaxfluidhandling com Please understand that return shipments without a declaration of harmlessness cannot be processed until such declaration is received Pump type...

Страница 48: ...n CNH ML Equipment no Order no complies with the following applicable EC directives Machine directive 2006 42 EC The protection targets of the low voltage directive 2006 95 EC valid until 19 April 201...

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