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Centrifugal Pump with
Volute Casing
Original Operating Manual
Version
BA-2010.03
Print-No.
550 267
VM-No.
460.0019 GB
CNH-M series
ALLWEILER AG • Werk Radolfzell
Postfach 1140
Allweilerstr. 1
78301 Radolfzell
Germany
Phone: +49 (0) 7732-86-0
Fax: +49 (0) 7732-86-436
E-mail: service@allweiler.de
Internet: http://www.allweiler.com
We reserve the right to make technical changes.
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Summary of Contents for Allweiler CNH-M Series
- Page 1 Centrifugal Pump with Volute Casing Original Operating Manual CNH-M series Version BA-2010.03 ALLWEILER AG • Werk Radolfzell Print-No. 550 267 Postfach 1140 VM-No. 460.0019 GB Allweilerstr. 1 78301 Radolfzell Germany Phone: +49 (0) 7732-86-0 Fax: +49 (0) 7732-86-436 E-mail: service@allweiler.de Internet: http://www.allweiler.com...
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Page 2: Table Of Contents
........32 Troubleshooting CNH-M series BA-2010.03... - Page 3 Declaration of conformity according to EC machine directives ......50 460.0019 GB – 550 267 BA-2010.03 CNH-M series...
- Page 4 Declaration of conformity according to EC machine directives ......50 CNH-M series BA-2010.03 460.0019 GB – 550 267...
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Page 5: About This Document
Declaration of conformity Conformity with standards Contents of the declaration of conformity (→ 9.5 Declaration of conformity according to EC machine directives, Page 50). Tab. 2 Other applicable documents and their purpose 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 6: Warnings And Symbols
Symbols and their meaning Technical terms Term Meaning Sealing medium Medium for blocking or quenching shaft seals Auxiliary operating systems Systems for operating the pump Tab. 5 Technical terms and their meaning CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 7: Safety
(→ order data sheet, technical description). • When using auxiliary systems, ensure there is a continuous supply of the appropriate operating medium. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 8: Obligations Of The Operating Company
Only use genuine parts or parts that have been approved • Plastic identity cards with magnetic strips by the manufacturer. • Credit and check cards • electric, electronic, fine-mechanical devices (such as mechanical and digital clocks, pocket calculators, hard discs) CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 9: Layout And Function
Special version Tab. 6 Design characteristics II 2 G c b Tx Technical File No.: EX9 03 09 45910 002 Fig. 2 ATEX plate (example) Explosion protection mark Reference to ATEX additional instructions 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 10: Layout
Layout and function Layout Fig. 4 CNH-M layout (with oil lubrication) Volute casing Shaft Pump shaft Magnetic coupling Limit for heat insulation Impeller Bearing bracket Plain bearing CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 11: Auxiliary Operating Systems
Layout and function Auxiliary operating systems 3.3.1 Heating Fig. 5 Heating Heating the casing Heating the cover 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 12: Transport, Storage And Disposal
2. Report any transport damage to the manufacturer immediately. 3. Dispose of packaging material according to local regulations. Fig. 6 Fastening lifting gear to pump unit Fig. 7 Fastening the lifting gear to the pump Lift the pump/unit properly. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 13: Treatment For Storage
3. Make sure the storage room meets the following conditions: – – Frost-free – Vibration-free 4. Turn the shaft once a month. 5. Make sure the shaft and bearing change their rotational position in the process. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 14: Removing Preservative
Remove the plastic parts and dispose of them in – Check all elastomer parts (O-rings, shaft seals) for accordance with local regulations. proper elasticity and replace them if necessary. Dispose of the pump in accordance with local regulations. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 15: Setup And Connection
Only install the heat insulation on the volute casing Make sure the required ambient conditions are fulfilled (→ Figure CNH-M layout (with oil lubrication), Page 10). (→ 9.2.1 Ambient conditions, Page 43). Install the heat insulation properly. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 16: Installation On A Foundation
6. Use the integrated spirit level to check whether the pump is level end to end and side to side with a maximum allowable tilt of 1 mm/m. 7. Repeat the procedure until the base plate is correctly aligned. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 17: Fastening The Pump Unit
Use the integrated spirit level to check whether the pump is level end to end and side to side with a maximum allowable tilt of 1 mm/m. – Repeat the procedure until the base plate is correctly aligned. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 18: Installing The Motor
2. Ensure the free discharge of leaking liquids. 1. Make sure the nominal suction pipe diameter is ≥ the nominal suction branch diameter. 2. Make sure the nominal pressure pipe diameter is ≥ the nominal outlet flange diameter. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 19: Providing Safety And Control Devices (Recommended)
5.6.4 Installing the pressure pipe 1. Remove the transport and sealing covers from the pump. 2. Install the pressure pipe. 3. Ensure no seals protrude inwards. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 20: Inspection For Stress-Free Pipe Connections
DANGER Risk of death due to rotating parts! Isolate the motor from its supply voltage and secure it against being switched back on again prior to any fitting or maintenance work. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 21: Aligning The Coupling Precisely
(1): – Position the straightedge across both halves of the coupling. – Align the motor if there is a visible gap at the outer diameter (→ 5.9 Aligning the motor, Page 22). 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 22: Aligning The Motor
(2) and tighten the lock nut (4). 4. Tighten the hexagon head bolts (1). 5. Check the alignment. 6. Repeat the alignment procedure if there is still any vertical misalignment. 7. Then tighten the motor bolts. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 23: Operation
5. Fill the reservoir and tip it up. 6. Repeat step 5 until the reservoir remains two thirds filled with lubricating oil. 7. Refit the air release plug. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 24: Preparing Auxiliary Systems (If Available)
Risk of cavitation when throttling down the suction flow rate! Fully open the suction-side fitting and do not use it to adjust the flow. Do not open the pressure-side fitting beyond the operating point. CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 25: Switching Off
Use personal protective equipment when carrying out any work on the pump. 1. Switch off the motor. 2. Check all tie bolts and tighten them if necessary (only after putting the pump into service for the first time). 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 26: Start-Up Following A Shutdown Period
(→ 6.2.1 Switching on, Page 24). containers with preservative. Tab. 8 Measures depending on the behavior of the pumped liquid CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 27: Maintenance
Do not carry out any work on the running pump. WARNING Risk of injury and poisoning due to hazardous pumped liquids! Use personal protective equipment when carrying out any work on the pump. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 28: Maintenance
Empty the pump, safely collect the pumped liquid and dispose of it in accordance with environmental rules and requirements. 7.2.1 Antifriction bearings lubricated with grease As a precaution, replace antifriction bearings with lifetime lubrication every 2 years (recommended). CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 29: Dismounting
Risk of injury due to heavy components! Pay attention to the component weight. Lift and transport heavy components using suitable lifting gear. Set down components safely and secure them against overturning or rolling away. 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 30: Returning The Pump To The Manufacturer
Only in the event of manufacturer's hazardous pumped liquid: premises for flush and decontaminate the warranty repairs pump. Return the complete pump (not disassembled) to the manufacturer. Tab. 10 Measures for return CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 31: Installing
2. Clean all parts (→ 9.2.7 Cleaning agents, Page 44). Do not remove any markings which have been applied. 3. Install the pump (→ sectional drawing). 4. Install the pump in the system (→ 5 Setup and connection, Page 15). 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 32: Troubleshooting
Open the fitting completely. – – – – – – – – Transport and sealing cover still in place Remove the transport and sealing cover. Dismount the pump and inspect it for dry-running damage. CNH-M series BA-2010.03 460.0019 GB – 550 267... - Page 33 Machine the impeller down. Consult the manufacturer and adjust the impeller diameter. – – – – – – – Viscosity lower than expected Machine the impeller down. Consult the manufacturer and adjust the impeller diameter. 460.0019 GB – 550 267 BA-2010.03 CNH-M series...
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Page 34: Troubleshooting List
Replace the coupling units and realign them. – – – – – Motor running on 2 phases Check the fuse and replace it if necessary. Check the cable connections and insulation. Tab. 12 Troubleshooting list CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 35: Appendix
Bearing bracket 550.23 Disc 360.1 Bearing cover 550.24 Disc 360.5 Bearing cover 550.25 Disc 400.1 Seal 551.2 Spacer ring 400.4 Seal 560.1 Blind rivet 400.5 Seal 638.1 Oil level regulator 402.5 Seal 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 36: Designation Of Components According To Part Numbers
Hexagon nut 920.4 Hexagon nut 920.5 Hexagon nut 921.1 Hexagon nut 921.2 Hexagon nut 930.1 Spring ring 930.4 Spring ring 932.1 Snap ring 932.2 Snap ring 932.3 Snap ring 940.1 Shaft key CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 37: Overview Sectional Drawing
Appendix 9.1.3 Overview sectional drawing Fig. 17 CNH-M with oil lubrication, sizes on first and second bearing brackets 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 38: Bearing Bracket
Appendix Fig. 18 CNH-M with oil lubrication, sizes on third bearing bracket CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 39: And Second Bearing Brackets
Appendix Fig. 19 CNH-M with grease lubrication, sizes on first and second bearing brackets 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 40: Bearing Bracket
Appendix Fig. 20 CNH-M with grease lubrication, sizes on third bearing bracket CNH-M series BA-2010.03 460.0019 GB – 550 267... - Page 41 Appendix Fig. 21 CNH-M with heating 460.0019 GB – 550 267 BA-2010.03 CNH-M series...
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Page 42: Coupling Guard
Double thrust bearing on first and second bearing bracket (only for sizes 65-160 and 80-160) 9.1.4 Coupling guard max. 8 mm max. 8 mm Fig. 23 Coupling guard on base plate versions CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 43: Technical Specifications
Operating parameters for heating chamber 15.0 69.5 18.5 70.5 22.0 71.5 30.0 72.5 37.0 73.5 45.0 74.5 55.0 75.5 75.0 76.5 90.0 76.5 110.0 77.5 132.0 78.5 160.0 79.5 200.0 80.5 Tab. 17 Sound pressure levels 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 44: Tightening Torques
Lubricant quality: high quality, additive treated mineral oil according to DIN 51517 – CL 100 or to ISO 3448 – VG 100 (recommended). Size of the bearing bracket approx. oil qty. [l] Tab. 19 Minimum oil lubrication quantities CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 45: Height Offset For Motor Alignment With Adjusting Screw
– 1.42 – 0.63 – 1.44 – 0.65 – 1.46 – 0.67 – 1.48 – 0.69 1.50 1 full turn – 0.71 Tab. 22 Height setting at the adjusting screw – 0.73 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 46: Flange Loads According To Iso 5199
2400 10900 9500 5200 125–250 9700 6100 3450 14000 12800 7300 125–315 8500 5400 2950 12500 11400 6700 125–400 8600 5400 2950 12700 11600 6850 150–200 12600 8000 4800 17700 16600 9600 CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 47: Spare Parts For Two Years Of Continuous Operation According To Din 24296
Thrust bearing 515.5 Tension ring 50 % 550.24 Disc 314.2 Thrust bearing 50 % 506.3 Retaining ring 314.3 Thrust bearing 515.7 Tension ring 50 % 550.20 Disc 321.1 Ball bearing 50 % 321.2 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 48: Tab
2) Only for bearing brackets with oil lubrication 3) Only for bearing brackets with grease lubrication 4) Only for versions without double thrust bearings 5) Only for versions with double thrust bearings CNH-M series BA-2010.03 460.0019 GB – 550 267... -
Page 49: Safety Certificate
We hereby declare that the information given is correct and complete, and that dispatch was made according to legal requirements. Company / Phone: address: Fax: Customer no.: ____ ____ ____ ____ ____ ____ ____ Issuer name: Position: (Capital letters) Date: Company stamp / signature: Tab. 25 Safety certificate 460.0019 GB – 550 267 BA-2010.03 CNH-M series... -
Page 50: Declaration Of Conformity According To Ec Machine Directives
EC declaration of conformity according to machine directive, appendix II A Allweiler AG, Postfach 1140, 78301 Radolfzell, Germany; Tel. +49 (0)7732 86-0, Fax. +49 (0)7732 86-436, hereby declare that the following machine adheres to the relevant EC directives detailed below: ID no. -
Page 51: Gb – 550 267 Ba-2010.03 Cnh-M Series
Appendix 460.0019 GB – 550 267 BA-2010.03 CNH-M series... - Page 52 Appendix CNH-M series BA-2010.03 460.0019 GB – 550 267...
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