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Diaphragm pump N87.9

Spare parts and accessories

Translation of Original Operating and Installation Instruction, english, KNF 121538-121541 11/22

29

10 Spare parts and accessories

To order spare parts and accessories, please contact your KNF
sales partner or KNF Customer Service (contact data: see
www.knf.com).

10.1 Spare parts

Spare part

Order number

Valve plate/seal

057172

Structured diaphragm

044973

Tab.20 N87TTE spare parts

10.2 Accessories

Description

Order number

Hose connector for hose
ID 6 (PVDF, G 1/8)

014052

Male connection
OD 6 (PVDF, G 1/8)

014049

Tab.21 

Содержание N87.9

Страница 1: ...PERATING AND INSTALLATION INSTRUCTION ENGLISH KNF 121538 121541 11 22 OEM Notice Before operating the pump and accessories read and observe the operating and installation instructions as well as the safety information DIAPHRAGM PUMP ...

Страница 2: ... 12 5 Transport 14 General 14 6 Installation and connection 15 6 1 Installing the pump 15 6 2 Electrical connection 16 6 3 Pneumatic connection 17 7 Operation 18 7 1 General 18 7 2 Information on switching the pump on and off 20 8 Servicing 21 8 1 Servicing schedule 21 8 2 Cleaning 21 8 3 Replacing the structured diaphragm and valve plates seals TT design 22 8 4 Changing the structured diaphragm a...

Страница 3: ...thin reach at all times Project pumps For customer specific project pumps pump models that begin with PJ or PM there may be deviations from the operating and installation instruc tions à For project pumps also observe the agreed specifications Optional contents Project specific options may be included in the operating and installation instructionsThese are marked as optional It is also possible th...

Страница 4: ...ecified here Danger levels Signal word Meaning Consequences if not observed DANGER warns of immediate danger Death or serious injury or serious damage will result WARNING warns of possible dan ger Death serious injury or serious damage is pos sible CAUTION warns of a possibly dangerous situation Minor injury or damage is possible NOTICE warns of possible dam age Damage is possible Tab 1 Danger lev...

Страница 5: ... KNF 121538 121541 11 22 5 Explanations of pictograms Pictogram Meaning General warning symbol Warning of electrical voltage Warning of poisonous substances Warning of hand injuries through crushing Observe the operating instructions General mandatory sign Wear hearing protection Tab 2 Explanations of pictograms ...

Страница 6: ...ion X Commissioning X X Operation X X Servicing X Troubleshooting X Disposal X Tab 4 Who does what matrix 2 2 Responsibility of the operator The pumps are produced in accordance with the generally recognized rules of engineering as well as the occupational health safety and acci dent prevention regulations Nevertheless dangers can arise during their use that lead to injuries to the user or third p...

Страница 7: ...ripping water and other contamination Check the tightness of the connections between the pipes of the applica tion and the pump or the connection of the pump at regular intervals Leaky connections carry the risk of releasing dangerous gases and vapors from the pump system 2 5 Media Requirements of pumped media Before transferring a medium check whether the medium can be trans ferred without risk i...

Страница 8: ...f doubt contact KNF Customer Service 2 6 Use 2 6 1 Proper use The pumps are intended exclusively for transferring gases and vapors The pumps are intended exclusively for operation in indoor areas and in non explosive atmospheres 2 6 2 Foreseeable misuse The pumps must not be operated in explosive atmospheres The pumps are not suitable for transferring the following Dusts Liquids Aerosols Biologica...

Страница 9: ...Annex I of Di rective 2006 42 EC general principles are applied and observed General principles no 1 Standards The following harmonized standards serve as the basis EN 55014 1 2 EN IEC 61000 3 2 EN 61000 3 3 EN 60204 1 2 8 Customer service and repair Customer service and repairs The pump is maintenance free However KNF recommends periodic in spection of the pump for obvious changes in noise or vib...

Страница 10: ...el 1 5 Ultimate vacuum mbar abs 140 Flow rate at atm pressure l min 7 5 Tab 6 Pneumatic values Bar rel related to 1013 hPa Liters in standard state 1013 hPa 20 C Pneumatic connections Pump type Value N87TTE Thread size G 1 8 Tab 7 Acc to ISO 228 Electrical data Parameter Value Value Value Value Voltage V 230 115 100 220 Frequency Hz 50 60 50 60 60 Power P1 W 70 70 70 70 Max permissible line voltag...

Страница 11: ...the pump Highest permissible relative air hu midity of the environment 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Maximum installation altitude m above sea level 2000 Gas tightness of the pump head leak rate 6 x 10 3 mbar l s Tab 10 Other parameters The gas tightness of the pump head is no longer ensured after the pump head is opened or after replacing diaphragms and valve pl...

Страница 12: ...p N87 9 12 Translation of Original Operating and Installation Instruction english KNF 121538 121541 11 22 4 Product description and function Design 1 Pump outlet 2 Pump inlet 3 Pump head 4 Electrical terminal box 5 Motor 1 2 3 4 5 Fig 1 Design N87 ...

Страница 13: ...3 6 5 Fig 2 Function of a diaphragm pump Diaphragm pumps transfer compress depending on the version and evacu ate gases and vapors The elastic diaphragm 4 is moved up and down by the eccentric 5 and the connecting rod 6 In the downwards stroke it aspirates the gas to be trans ferred via the inlet valve 2 In the upwards stroke the diaphragm presses the medium out of the pump head via the outlet val...

Страница 14: ...injury from cutting on the sharp edges when grabbing corners or when opening the packaging à Where appropriate wear suitable personal protective equipment e g safety shoes safety gloves à Transport the pump in the original packaging to the installation loca tion à Store the original packaging of the pump e g for later storage à Inspect the pump for transport damage after receiving it à Document an...

Страница 15: ...eration Depending on the medium being transferred breakage of the media contacting components can result in a dangerous mixture if the medium mixes with the air in the compressor housing or the surroundings à Before using a medium check the compati bility of the media contacting components see 3 Technical data with the medium 6 1 Installing the pump à Store the pump at the installation site to all...

Страница 16: ...m collecting in the pump head à Protect the pump from dust à Protect the pump from vibration and impact 6 2 Electrical connection DANGER Danger to life from electric shock àOnly have the pump connected by an autho rized specialist àOnly have the pump connected if the power supply is disconnected à When connecting to a power source observe the applicable standards regulations directives and technic...

Страница 17: ...priate personal protective equip ment Connected components à Only connect components to the pump that are designed for the pneu matic data and thermal requirements of the pump see Chapter 3 Technical data Pump discharge à If the pump is being used as a vacuum pump safely relating to the medium and noise discharge the possibly hot pump discharge via the pneumatic outlet of the pump Connecting the p...

Страница 18: ... of the pump may result in injury to the eyes due to the present vacuum operating pressure à Do not look into the pump inlet outlet during operation à Only operate the pumps under the operating parameters and operating conditions as described in Chapter 3 Technical data à Ensure the proper use of the pumps See Chapter Proper use à Eliminate the possibility of improper use of the pumps see Chapter ...

Страница 19: ...perating pres sure at the pump is not exceeded àEnsure that the pump outlet is not closed or restricted WARNING Risk of dangerous gas mixtures during pump op eration if diaphragm breaks If the diaphragm should break the medium will mix with the air in the compressor housing or in the surroundings àStop pump immediately àReplace the diaphragm prior to further opera tion see Chapter 8 Servicing Oper...

Страница 20: ...mal atmospheric pressure is present in the lines when switching on Switching off decommissioning the pump à Establish normal atmospheric pressure in the lines relieve pump pneumatically Recommissioning à Before recommissioning observe the applicable standards guidelines regulations and technical standards at the electrical connection Inspecting the pump à Inspect the pump periodically for external...

Страница 21: ...y only be performed by special ized personnel or trained and instructed per sonnel 8 1 Servicing schedule Component Servicing interval Pump à Perform periodic inspections for external damage or leakage à Periodically check for noticeable changes to noises and vibra tions Gas connections à Perform periodic inspections for external damage or leakage Tab 12 8 2 Cleaning 8 2 1 Flushing the pump When t...

Страница 22: ... the pump with a dry wiping cloth When cleaning use no solvents if possible as these can affect the plastic parts à Only use solvents during cleaning if head materials are not affected ensure resistance of the material à If compressed air is present blow out the components 8 3 Replacing the structured diaphragm and valve plates seals TT design Requirements à Disconnect the drive from power and ens...

Страница 23: ...e Replacing the structured diaphragm 1 Turn the pump to the side this prevents the shim rings 10 from falling into the pump chamber when the structured diaphragm 7 is removed 2 Move the structured diaphragm 7 by turning the counterweight to the upper reversal point 3 Lift the structured diaphragm 7 onto opposing side edges hold the structured diaphragm and unscrew it counterclockwise 4 Remove the ...

Страница 24: ...4 see Fig 5 with 1 Nm 4 Check for ease of movement of the pump by turning the counterweight 5 Tighten the screws 1 with disc spring 11 crosswise in the order 1 2 3 4 see Fig 5 Tightening torque 2 1 Nm 6 Then tighten the screws 3 Fig 5 A B another quarter turn tight ening torque 30 Ncm and mount the screw covers 2 Final steps 1 Mount the housing cover 2 Check the pump head and pneumatic connections...

Страница 25: ...ight is visible Fig 7 Replacing the structured di aphragm 4 Loosen the four screws Fig 7 5 5 Remove the head plate Fig 7 4 and the intermediate plate Fig 7 1 The structured diaphragm 8 is visible Replacing the structured diaphragm 1 Turn the pump to the side this prevents the shim rings 10 from falling into the pump chamber when the structured diaphragm 8 is removed 2 Move the structured diaphragm...

Страница 26: ...ng of the head plate 4 by means of a slight lateral movement Fitting the pump head Fig 8 Tighten cap head screws head plate shown as an example screws A and B only in N87TTE design 1 Place the pump head on the housing according to the felt tip pen mark ing 2 Screw in the screws 5 with disk spring and slightly tighten them crosswise in the order 1 2 3 4 see Fig 8 with 1 Nm 3 Check for ease of movem...

Страница 27: ...he power supply à Connect the pump to the power supply No voltage from the power supply à Check the circuit breaker for the line and reset if necessary Pneumatic connections or lines are blocked à Check the connections and lines à Remove the blockage External valve is closed or filter is clogged à Check external valves and filters Condensation has collected in the pump head à Isolate the source of...

Страница 28: ...ines or pump head à Eliminate the leaks Pneumatic connections or lines are partially or completely blocked à Check the pneumatic connections and lines à Remove materials and particles that are causing the blockage Head parts are soiled à Clean the head components Operating diaphragm broken à Shut down the pump immediately Diaphragm or reed valves are worn or defective à Change the diaphragm and va...

Страница 29: ...o order spare parts and accessories please contact your KNF sales partner or KNF Customer Service contact data see www knf com 10 1 Spare parts Spare part Order number Valve plate seal 057172 Structured diaphragm 044973 Tab 20 N87TTE spare parts 10 2 Accessories Description Order number Hose connector for hose ID 6 PVDF G 1 8 014052 Male connection OD 6 PVDF G 1 8 014049 Tab 21 ...

Страница 30: ...mp see Chapter 8 2 2 Cleaning the pump 4 Send the pump together with the completed Health and Safety Clear ance and Decontamination Form to KNF stating the nature of the transferred medium 5 Pack the device securely to prevent further damage to the product If necessary request original packaging for a fee Returns KNF shall undertake to repair the pump only under the condition that the customer pre...

Страница 31: ......

Страница 32: ...KNF worldwide You can find our local KNF partners at www knf com ...

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