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Servicing

Diaphragm pump N026 EX

Translation of Original Operation and Installation Instruction, english, KNF 059217 11/19

Housing

O-ring

Head plate

Intermediate plate

Retainer plate

Diaphragm

Fastening screw

Housing cover

Flywheel

Connecting rod

Reed valve (stainless
steel)

Valve fastening screw

Washer

Hexagon socket head
cap screws

Fig. 5 Pump parts for pump models with smooth heads and reed valves (stainless
steel, symbolic)

9.3.2 Pump models with valve plate

Requirements

Disconnect the motor from mains and ensure that it is voltage-free.

Free the pump of hazardous materials.

Содержание N026 EX

Страница 1: ...RIGINAL OPERATION AND INSTALLATION INSTRUCTION ENGLISH KNF 059217 11 19 ATEX Notice Before operating the pump and the accessories read the operating and installation instructions and observe the safet...

Страница 2: ...function 15 6 Transport 17 7 Installation and connection 18 8 Operation 23 9 Servicing 26 10 Troubleshooting 38 11 Spare parts and accessories 41 12 Returns 42 13 Appendix 43 KNF Neuberger GmbH Alter...

Страница 3: ...ect pumps pump models that begin with PJ or PM there may be deviations from the operating and installation instruc tions For project pumps also observe the agreed specifications Motor The operating an...

Страница 4: ...hand injuries through crushing Warning of hot surface Warning of electrical voltage Warning of explosive materials Observe the operating instructions Tab 3 Other notices and symbols An activity to be...

Страница 5: ...Before transferring a medium check whether the medium can be trans ferred danger free in the specific application Before using a medium check the compatibility of the media contacting components see...

Страница 6: ...types H Symbol for ignition protection type See Chapter 2 4 5 Ignition protection type II B H2 Explosion groups see Chapter 2 4 3 Explosion groups T4 Temperature class see Chapter 2 4 4 Tempera ture c...

Страница 7: ...a dust air mix ture is present constantly or for long periods of time or often 2G Devices of this category are designed for use in areas in which it is to be expected that an explosive atmosphere con...

Страница 8: ...fuel Jet fuel Heating oils n hexane Acetalde hyde IIB Town gas Ethylene Ethyl alcohol Hydrogen sulfide Ethyl ether IIC Hydrogen Acetylene Carbon disulfide Tab 9 The classification of gases and vapors...

Страница 9: ...mixture in which it is used Temperature class The maximum surface temperature arises from the design the pump and is specified as temperature class Temperature class Max surface tempera ture C Igniti...

Страница 10: ...th high protection level for use in potentially explosive areas in which there is no risk of ignition during normal operation or in the event of fore seeable or infrequent faults malfunc tions High Gc...

Страница 11: ...is disconnected from mains and without power Make certain that no dangers arise from flow when gas connections are open from noises or from hot corrosive dangerous and environmentally hazardous gases...

Страница 12: ...temperature 4 Technical data is not exceeded If applicable also take into consideration external energy sources e g ra diation sources that could add heat to the medium In case of doubt contact KNF C...

Страница 13: ...Value N026 1 2 Max permissible operat ing pressure bar rel 2 5 2 0 Ultimate vacuum mbar abs 100 100 Flow rate at atm pres sure l min 15 0 26 0 Tab 21 Liters in standard state 1013 mbar Other paramete...

Страница 14: ...14 Translation of Original Operation and Installation Instruction english KNF 059217 11 19 Weight Pump type Value kg Three phase motor Value kg Capacitor motor N026ST 7 9 8 9 N026AT 6 6 7 6 N026 1 2S...

Страница 15: ...tion of Original Operation and Installation Instruction english KNF 059217 11 19 15 5 Design and function Design 1 Pump outlet 2 Pump inlet 3 Capacitor 4 Type plate of the pump 5 Pump head 6 Motor 1 3...

Страница 16: ...ion 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...

Страница 17: ...There is a risk of injury from cutting on the sharp edges when grabbing corners or when opening the packaging Where appropriate wear suitable personal protective equipment e g safety shoes safety glov...

Страница 18: ...xtures during pump op 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...

Страница 19: ...Danger of burning on hot surfaces Hot surfaces could occur if the pump overheats When installing the pump make sure that sufficient cooling air infeed and discharge is ensured Immediate environment o...

Страница 20: ...ead to dangers in combination with adjacent com ponents 7 2 Electrical connection DANGER Danger to life from electric shock Only have the pump connected by an autho rized specialist Only have the pump...

Страница 21: ...nnections of the compressor and the first shut off valve WARNING Risk of explosion during pressure limitation result ing from the medium mixing with the environment Make certain that there is no risk...

Страница 22: ...Diaphragm pump N026 EX 22 Translation of Original Operation and Installation Instruction english KNF 059217 11 19 3 Lay the suction line and the pressure line at a downward angle to pre vent condensat...

Страница 23: ...njury to the eyes due to the present vacuum operating pressure Do not look into the pump inlet outlet during operation Only operate the pumps in accordance with the operating parameters and operating...

Страница 24: ...s not exceeded Ensure that the pump outlet is not closed or restricted WARNING Risk of explosion from elevated ambient tempera ture Monitor the ambient temperature compres sion heat motor heat Ensure...

Страница 25: ...mp must not be started up against pressure or vacuum dur ing switch on This also applies during operation after a brief power failure Ensure that normal atmospheric pressure is present in the lines wh...

Страница 26: ...properties Furthermore the function of the pump and it safety are lost The validity of the CE conformity is rendered void if original parts are not used Use only original parts from KNF during ser vic...

Страница 27: ...amp cloth Only clean the pump with a damp cloth and non flammable cleaning agents If compressed air is present blow out the components 9 3 Changing diaphragm and reed valves valve plate s The sequence...

Страница 28: ...sequence WARNING Risk of explosion from formation of potentially ex plosive atmosphere Leaky connections can result in dangerous explo sive atmospheres Make sure that diaphragm valve plates seals and...

Страница 29: ...ly 11 Place the reed valves M on the valve seat of the head plate C The slight curvature of the reed valve caused by the pretension must face the head plate C 12 Tighten the valve fastening screw W wi...

Страница 30: ...tion of Original Operation and Installation Instruction english KNF 059217 11 19 27 For two headed pumps Perform work steps 3 to 15 on the second head 28 Remount the housing cover H 29 Only for two he...

Страница 31: ...ed WARNING Risk of explosion from leaks Before recommissioning the pump check the pump heads and pneumatic connections for leaks Leaks may lead to a risk of explosion WARNING Risk of injury and poison...

Страница 32: ...gm G Fastening screw H Housing cover I Flywheel K Connecting rod M Reed valve stainless steel W Valve fastening screw X Washer Y Hexagon socket head cap screws Fig 5 Pump parts for pump models with sm...

Страница 33: ...y Tool material 1 Allen key 4 mm 1 Screwdriver blade width 4 5 mm 1 Adjustable face spanner wrench for nuts with two holes or KNF wrench for retainer plate see 11 2 Accessories Thread locker DELO ML 5...

Страница 34: ...y for two headed pumps Open the pneumatic connection between the two heads loosen one of the union nuts to do this take care not to kink the connecting hose 2 Removing the housing cover H WARNING Risk...

Страница 35: ...e middle posi tion 13 Place the new diaphragm with the retainer plate on the connecting rod K 14 Screw in the retainer plate E clockwise with the wrench for retainer plate and hand tighten the screws...

Страница 36: ...WARNING Risk of explosion from leaks Before recommissioning the pump check the pump heads and pneumatic connections for leaks Leaks may lead to a risk of explosion WARNING Risk of injury and poisoning...

Страница 37: ...1 19 37 A Housing B O ring only AT ST ver sions E Retainer plate F Diaphragm G Fastening screw H Housing cover I Flywheel K Connecting rod W Head plate X Intermediate plate Y Hexagon socket head cap s...

Страница 38: ...ause Fault remedy Pump is not connected to the elec trical mains Connect the pump to the electrical mains No voltage in the electrical mains Check the room fuse and switch on if necessary Connections...

Страница 39: ...connect the pump from the system to deter mine the output values Eliminate throttling e g valve if necessary Use lines or connection parts with larger cross section if necessary Leaks occur at connect...

Страница 40: ...Service contact data see www knf com 1 Flush the pump with air at atmospheric pressure for a few minutes if necessary for safety reasons with inert gas to free the pump head of dangerous or aggressiv...

Страница 41: ...d valve M 001288 Tab 45 see Chapter 9 3 1 Pump models with reed valves Pumps with heads in AP and SP versions with reed valves Spare part Position Order number Diaphragm F 003913 O ring B 118963 Reed...

Страница 42: ...isite for repairing a pump by KNF is a completed Decontamination Form This is made available on the KNF website as a download To find the form select your country on the overview page www knf com You...

Страница 43: ...026 EX Appendix Translation of Original Operation and Installation Instruction english KNF 059217 11 19 43 13 Appendix 13 1 Declaration of Conformity For further information see also Konformit tserkl...

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Страница 47: ...EX Appendix Translation of Original Operation and Installation Instruction english KNF 059217 11 19 47 13 2 Motor For further information see also BA M56Ex 007 pdf Konformit tserkl rung Motor M56 EX K...

Страница 48: ...KNF 121220 121648 02 19 OEM M 56 EX TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTIONS ENGLISH KNF MOTOR...

Страница 49: ...ion and connection 12 7 Operation 16 8 Servicing 17 9 Troubleshooting 18 10 Spare parts 19 11 Returns 24 12 Health and safety clearance and decontamination form 25 KNF Neuberger GmbH Alter Weg 3 D 791...

Страница 50: ...failure to observe the warning are specified here The signal word e g Warning indicates the danger level Measures for avoiding the danger and its conse quences are specified here Danger levels Signal...

Страница 51: ...or s explosion protection marking 2 3 Use in hazardous areas In hazardous areas zones only operate motors of the corre sponding equipment category and temperature class If the explosion protection of...

Страница 52: ...iods or frequently Very high 2 Equipment for areas in which it is to be expected that a dangerous explosive atmosphere will occur occasionally High 3 Equipment for areas in which it is not to be expec...

Страница 53: ...oil n Hexane Acetaldehyde IIB City gas Ethylene Ethyl alcohol Hydrogen sulfide Ethyl ether IIC Hydrogen Acetylene Carbon disulfide Tab 5 Classification of the most common flammable gases and vapors f...

Страница 54: ...ction Marking Description d Flameproof enclosure e Increased safety i Intrinsic safety p Pressurization m Encapsulation o Oil immersion q Sand filling Tab 7 2 4 6 Equipment protection level Marking De...

Страница 55: ...y of motors and parts Observe the accident prevention and safety regulations when performing any work on the motor and during operation When classifying a motor environment in a hazardous area zone ob...

Страница 56: ...ercially available and equivalent parts Store all replacement parts in a protected manner and dispose of them properly in accordance with the applicable environmental protection regulations Observe th...

Страница 57: ...79 0 ff eb Type of protection Protection level IIC Explosion group T3 Temperature class of capacitor motor T4 Temperature class of 3 phase motor Gb Equipment protection level Tab 9 For explanation of...

Страница 58: ...Terminal box cover 3 Cable gland M 16 x 1 5 4 Cable gland M 16 x 1 5 5 Capacitor 6 Capacitor mounting clamp collar band 7 Base plate 8 Type plate 9 Fan cover Fig 1 KNF capacitor motor M 56 Ex 1 Motor...

Страница 59: ...e motor connected by an authorized specialist Only have the motor connected when the power supply is disconnected The customary national and international regulations on the set up of electrical syste...

Страница 60: ...and electrical connection of the motors The customer must arrange to protect the motor against ex cessive heating as a result of overload in compliance with EN 60079 14 by means of a current dependen...

Страница 61: ...f this screwed cable gland is between 5 and 10 mm The maximum conductor cross section that can be connected to the connector is 2 5 mm2 At least 7 mm of the insulation must be stripped off each indivi...

Страница 62: ...se the terminal box cover Keep the inside of the terminal box clean The seals must be unblemished and correctly seated 6 Tighten the clamping screw compression screw on the cable gland with a torque o...

Страница 63: ...properly see section 2 2 Observe the safety precautions see Chapter 3 WARNING Danger of explosion due to increased ambient temperature Monitor ambient temperature compression heat motor heat Ensure su...

Страница 64: ...hours or 24 months at the latest Lead through con nection or lead in parts Inspect regularly In case of damage the damaged parts must be replaced by original spare parts in perfect order Tab 10 Mainte...

Страница 65: ...and installation instructions for the pump Send the motor together with completed Health and Safety Clear ance and Decontamination Form Chapter 12 to KNF stating the nature of the transferred medium F...

Страница 66: ...have the serial number of your motor handy 10 1 1 Capacitor motors Position No Ident No Description 070 001849 Bearing 170 001850 Bearing 190 049001 Cable gland M 16 x 1 5 200 005498 Fan cover 220 00...

Страница 67: ...KNF MOTOR M 56 EX Spare parts Translation of Original Operating and Installation Instructions english KNF 121220 121648 02 19 20 Fig 8 Explosion proof capacitor motor...

Страница 68: ...KNF MOTOR M 56 EX Spare parts Translation of Original Operating and Installation Instructions english KNF 121220 121648 02 19 21 Fig 9 Terminal box of explosion proof capacitor motor...

Страница 69: ...KNF MOTOR M 56 EX Spare parts Translation of Original Operating and Installation Instructions english KNF 121220 121648 02 19 22 Fig 10 Explosion proof 3 phase motor...

Страница 70: ...KNF MOTOR M 56 EX Spare parts Translation of Original Operating and Installation Instructions english KNF 121220 121648 02 19 23 Fig 11 Terminal box of explosion proof 3 phase motor...

Страница 71: ...orm For optimal processing of a return a copy of this declaration should be sent in advance via e mail regular mail or fax to KNF Customer Service refer to final page for address In order to avoid end...

Страница 72: ...KNF MOTOR M 56 EX Health and safety clearance and decontamination form KNF worldwide Find your local KNF partner on www knf com 12 Health and safety clearance and decon tamination form...

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Страница 74: ...ltenden Vorschriften und Bestimmungen Assembly and maintenance staff working on such plant therefore have a particular responsibility The prerequisite for this is precise knowledge of the current rule...

Страница 75: ...ng setting up and operation Lors du montage et du fonctionnement observer die nationalen Sicherheitsvor schriften the national safety regulations les prescription de s curit nationales die nationalen...

Страница 76: ...Hz Kapazit t 1 55 F Konformit t nach RL 2014 34 EU CE1258 Rated voltage 280 470V Rated frequency 50 60Hz capacitance 1 55 F Conformity after RL 2014 34 EC CE1258 Tension admissble 280 470V Fr quence...

Страница 77: ...retien et maintenance 8 1Reparatur und Instandhaltung 8 1 Repairs and maintenance 8 1 R paration et maintenance Der Zustand der ber den Entl ftungs ffnungen vorhandenen Klebeabdeckung ist in geeignete...

Страница 78: ...n Vorschriften und Bestimmungen Assembly and maintenance staff working on such plant therefore have a particular responsibility The prerequisite for this is precise knowledge of the current rules and...

Страница 79: ...ng setting up and operation Lors du montage et du fonctionnement observer die nationalen Sicherheitsvor schriften the national safety regulations les prescription de s curit nationales die nationalen...

Страница 80: ...C 50 C Temp rature ambiante 20 C 50 C Elektrische Daten Electrical data Caract ristiques techniques Bemessungsspannung 280 470V Bemessungsfrequenz 50 60 Hz Kapazit t 1 55 F Konformit t nach RL 2014 34...

Страница 81: ...llations fixes L exploitant doit quiper ceux ci d un attache c ble suppl mentaire sur le c ble afin d assurer que les forces de traction et de torsion ne soient pas transmises aux bornes 8 Instandhalt...

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Страница 84: ...KNF worldwide You can find our local KNF partners at www knf com...

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