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KNF LABOPORT N820.18 CN, Перевод оригинальной инструкции по эксплуатации

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Servicing

Diaphragm pump N820.18 CN / N840.18 CN

32

Translation of Original Operating Instruction, KNF 317428-338560 06/22

10.3 Replace diaphragm, valve plates/seals and
O-rings

Requirements

Necessary requirements

Pump

- Pump switched off and power cable pulled
out of socket

- Pump cleaned and free of hazardous mate-
rials

- Hoses removed from pneumatic inlet and
outlet

Tab.14: 

Material and

tools

Quan-
tity

Material

1

TORX® screwdriver T20

1

TORX® T25 screwdriver (only for N840.3FT.29.18G)

1

Spare parts set (see Chapter Spare parts)

1

Pencil

Tab.15: 

Information on

the procedure

à

Always replace diaphragms, valve plates/seals, and O-
rings together to maintain the performance of the pump.

à

Replace the diaphragms and valve plates/seals of the in-
dividual pump heads one after the other.

Содержание LABOPORT N820.18 CN

Страница 1: ...ORIGINAL OPERATING INSTRUCTION ENGLISH KNF 317428 338560 06 22 LAB Notice Before operating the pump and accessories read and observe the operat ing and installation instructions as well as the safety...

Страница 2: ...ption and function 15 6 1 Gas ballast 17 7 Transport 18 General 18 8 Commissioning 20 8 1 Preparing for commissioning 21 8 2 Perform commissioning 22 9 Operation 26 9 1 Information on switching the pu...

Страница 3: ...for hose connector WAF 14 Power cable Silencer Operating instructions QuickStart Unpacking the pump 1 Inspect the pump and the included accessories for trans port damage after unpacking 2 If the packa...

Страница 4: ...ting instruc tions to any subsequent owner Keep the operating instructions within reach at all times Project pumps For customer specific project pumps pump models that begin with PJ or PM there may be...

Страница 5: ...d here Danger levels Signal word Meaning Consequences if not observed DANGER warns of immediate danger Death or serious in jury or serious damage will result WARNING warns of possible danger Death ser...

Страница 6: ...am Meaning General warning symbol Warning of hot surface Warning of electrical voltage Warning of poisonous substances Warning of hand injuries through crushing ESD protected area Observe the operatin...

Страница 7: ...r as well as from other contaminants Check the tightness of the connections between the pipes of the application and the pump or the connection of the pump at regular intervals Leaky connections carry...

Страница 8: ...osive at mospheres The pumps are not suitable for transferring Dusts Liquids Aerosols Biological and microbiological substances Fuel Explosives and flammable materials Fibers Oxidants Food Pumps that...

Страница 9: ...orresponding safety rules Personnel Ensure that only specially trained and instructed personnel or specialist personnel work on the pumps This applies in par ticular to assembly connection and mainten...

Страница 10: ...re of the pump is stated in the technical data 5 Technical data 12 Where applicable also take into account external energy sources such as radiated heat sources that might heat the medium further In c...

Страница 11: ...mer ser vice and repairs The pumps are maintenance free However KNF recom mends periodic inspections to check the pump for obvious changes in noise and vibration Only have repairs to the pumps perform...

Страница 12: ...PTFE FFPM Hose connector PVDF FFPM Gas ballast PTFE FFPM Tab 3 Pump materials Pneumatic data N820G Parameter Value Max permissible operating pressure bar rel 0 1 Ultimate vacuum mbar abs At min speed...

Страница 13: ...6 17 8 15 Flow rate at atm pressure l min At min speed At max speed 18 10 34 10 Tab 5 Pneumatic data N840G Bar rel related to 1013 hPa Liters in standard state 1013 hPa 20 C Pneumatic connections Par...

Страница 14: ...e media tempera ture C 5 to 40 Highest permissible relative air humidity of the environ ment 80 for temperatures to 31 C decreasing linearly to 50 at 40 C non condens ing Maximum installation altitude...

Страница 15: ...atic pump inlet 2 Handle 3 Rotary push knobfor Switching the pump on and off Setting the pump speed 4 Pneumatic pump outlet 5 Power switch 6 Status display 7 Interface Fig 1 Diaphragm pump pump N820G...

Страница 16: ...Fig 2 Function of a diaphragm pump Diaphragm pumps transfer compress depending on the ver sion and evacuate gases and vapors The elastic diaphragm 4 is moved up and down by the ec centric 5 and the co...

Страница 17: ...age to the pump When the gas ballast valve is open make sure that no reactive or ex plosive mixtures can form Close the gas ballast valve if nec essary If inert gas is necessary contact KNF Service If...

Страница 18: ...ing gear etc Where appropriate wear suitable personal protective equipment e g safety shoes safety gloves CAUTION Risk of injury from sharp edges on the packaging There is a risk of injury from cuttin...

Страница 19: ...any transport locking devices on the pump prior to commissioning Parameter Parameter Value Storage temperature C 5 to 40 Permissible humidity non condensing 30 to 85 Tab 10 Transport parameter and sto...

Страница 20: ...emperature no conden sate may form Cooling air sup ply WARNING Danger of burning on hot surfaces Hot surfaces could occur if the pump overheats When installing the pump make sure that sufficient cooli...

Страница 21: ...of the following points Necessary operating requirements Pump Connect all hoses correctly Pump The voltage supply system is consistent with the details on the type plate of the pump Pump outlet not c...

Страница 22: ...o pro tect against touching hot parts WARNING Injury to eyes Coming too close to the inlet outlet of the pump may result in injury to the eyes due to the present vacuum oper ating pressure Do not look...

Страница 23: ...sure exceeds the maxi mum permissible operating pres sure of the pump immediately switch off the pump and remedy the fault see Chapter Trou bleshooting Only throttle or regulate the air or gas quantit...

Страница 24: ...th all of the associated hazards can be prevented by means of a bypass line with a pres sure relief valve between the pressure side and suction side of the pump Further information is available from K...

Страница 25: ...sed by harmful gases Vacuum operation without silencer 1 Connect the lines to the pneumatic inlet and outlet Connected com ponents 2 Only connect components to the pump that are designed for the pneum...

Страница 26: ...mp on and off with power switch The pump must not be started up against operating pres sure during switch on This also applies during operation after a brief power failure If a pump starts up against...

Страница 27: ...ning the pump When transferring aggressive media flush the pump be fore switching off to extend the service life of the di aphragm see Chapter 10 Servicing 29 Switch the pump with the rotary push knob...

Страница 28: ...tion KNF 317428 338560 06 22 Illuminates red if there is a fault Signal duration Fault type 100 ON continuous light Drive blocked 50 ON 50 OFF Temperature too high drive 90 ON 10 OFF Other fault Tab 1...

Страница 29: ...s can result from failure to observe the applicable legal regulations and procedures for the lo cation or intervention by untrained or uninstructed personnel Servicing may only be performed according...

Страница 30: ...ctionality and safety The validity of the CE conformity is rendered void if genuine parts are not used Use only genuine spare parts from KNF when performing main tenance repair work Component Servicin...

Страница 31: ...oning or explosion and damage to the pump When flushing the pump with inert gas ensure that the gas ballast valve is closed and that no reac tive or explosive mixtures form Before switching off flush...

Страница 32: ...and free of hazardous mate rials Hoses removed from pneumatic inlet and outlet Tab 14 Material and tools Quan tity Material 1 TORX screwdriver T20 1 TORX T25 screwdriver only for N840 3FT 29 18G 1 Spa...

Страница 33: ...n the pump Depending on the medium being trans ferred caustic burns or poisoning is possible Wear protective equipment if nec essary e g protective gloves goggles Clean the pump with suitable mea sure...

Страница 34: ...plate 3 Head cover 4 Valve plates seals 5 Locating pin 6 Intermediate plate 7 Diaphragm 8 Shim rings 1 5 4 3 2 6 7 8 Fig 8 Pump head pump N820 shown The following item numbers refer to Fig 8 unless sp...

Страница 35: ...ted between the di aphragm and connecting rod do not fall into the pump housing Remove any shim rings stopping on the diaphragms and fit them on the associated connecting rod thread In order to guaran...

Страница 36: ...ose connections 11 Fig 9 11 Screw the hose connections 11 Fig 9 into the head cover 3 hand tight using the tool supplied 12 Dispose of the replaced O rings properly Replacing valve plates sealing ring...

Страница 37: ...erform steps 1 to 7 for the second pump head 9 Place the pump heads consisting of head cover 3 inter mediate plate 6 with valve plates seals 4 and pressure plate 2 together with the connection tube on...

Страница 38: ...t on if necessary Overtemperature pro tection of the pump has tripped Disconnect the pump from the electrical mains Allow the pump to cool Determine the cause of the overheating and rectify Connection...

Страница 39: ...ide Change the pneumatic conditions Pneumatic lines or con nection parts have in sufficient cross sec tions or are throttled Disconnect the pump from the system to determine the output values Eliminat...

Страница 40: ...17 Troubleshooting Flow rate pressure or vacuum too low Pump is switched on and not running status display is not illuminated Cause Fault remedy Pump is not connected to the electrical mains Connect t...

Страница 41: ...out of the socket Allow the pump to cool Determine the cause of the blockage and rectify Tab 20 Troubleshooting Pump is switched on but not running sta tus display lights up red Pump is switched on an...

Страница 42: ...of Parts Quantity Diaphragm 2 Valve plates seals 4 O ring connection tube 10 x 1 8 2 O ring hose connection and gas ballast valve 8 x 1 8 3 Tab 22 Spare parts see Chapter 10 3 Replace diaphragm valve...

Страница 43: ...3 Clean the pump see Chapter 10 2 2 Cleaning the pump 31 4 Send the pump together with the completed Health and Safety Clearance and Decontamination Form to KNF stating the nature of the transferred...

Страница 44: ...arts 11 I Inlet valve 16 Installation location 20 Interface 15 M Media Combustible media 10 Hazardous media 9 Medium 7 Mounting 20 O Outlet valve 16 P packaging 3 Parameter Storage parameter 19 Transp...

Страница 45: ...l Operating Instruction KNF 317428 338560 06 22 45 T Temperature Ambient temperature 14 Media temperature 14 Storage temperature 19 Tools 32 Transfer chamber 16 Transport 18 Troubleshooting 38 U Ultim...

Страница 46: ......

Страница 47: ......

Страница 48: ...KNF worldwide You can find our local KNF partners at www knf com KNF Neuberger GmbH Alter Weg 3 79112 Freiburg Germany Tel 49 0 7664 5909 0 E mail info de knf com www knf com...

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