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Diaphragm Vacuum Pumps UN86_.16I

Servicing

c) Changing diaphragm

d) Changing valve plate and sealing ring

e) Refitting pump head

f) Final step

Fig. 3: Pump head (exploded drawing)

Fig. 2: UN86.16AT.16I

Fig. 4: Orientation of disk springs (5)

Specification

Pos. Description

Carrier

Wave diaphragm

Intermediate plate

Head plate

Disk spring

Nut

Retainer plate

Diaphragm support

Connecting rod extension

O-ring

Valve plate

Washer

Fan

Mark

Содержание UN86AT.16I

Страница 1: ...was produced for the serial pumps stated above With customer specified projects pump types starting with PU or MPU there could be differences in detail For customer specified projects please therefore take into account any agreed technical specifications as well as these instructions List of Contents Page 1 Description Operating Conditions 2 2 Safety 3 3 Installation 5 4 Operation 6 5 Servicing 8 ...

Страница 2: ...umps must not be used in areas where there is a danger of explosion Before pumping a medium the compatibility of materials of pump head diaphragm and valves with the medium must be checked for pump materials see section 10 These pumps must not be used for liquids You will find suitable liquid pumps in our Product Program If your potential application lies outside the above limits discuss it with o...

Страница 3: ... automatically after cooling down Take all care necessary to prevent this leading to a dangerous situation Specific safety instructions for the media being handled must be observed When using hot media the pneumatic pump suction and pressure lines heat up as does the pump head Do not touch these parts they could burn you Use only original KNF spare parts For the purposes of the Machinery Directive...

Страница 4: ...and hot parts if existing has to be provided when mounting The pumps conform to the EC Directive 201 65 EU RoHS2 The pumps conform to the EC Directive 2004 108 EC concerning Electromagnetic Compatibility The following harmonized standards have been used DIN EN 55014 1 2 DIN EN 61000 3 2 3 DIN EN 60335 1 ...

Страница 5: ...articular make sure that the electricity supply is isolated before trying to connect the pump Compare the supply data with the data on the motor plate The voltage must not vary by more than 6 and 10 from that shown on the type plate The earth ground wire must be connected to the motor In the electrical installation arrangements complying with EN 60335 1 must be made for disconnecting the pump moto...

Страница 6: ...ecifications section 10 If necessary consider any external sources of energy such as radiation that may add heat to the medium In case of doubt consult the KNF customer service Before pumping a medium the compatibility if material of pump head diaphragm and valves with the medium must be checked for pump material see section 10 The pump must not start against pressure or vacuum When it is switched...

Страница 7: ...ump will re start automatically after cooling down Take all care necessary to prevent this leading to a dangerous situation Diaphragm and valve plate are the only parts subject to wear Wear is usually indicated by a drastic reduction in the pneumatic performance When replacing parts proceed as described in section 5 Ambient conditions see section 1 3 ...

Страница 8: ...cessary safety measures example the use of protective gloves 3 Ensure that the discarded parts and materials are safely and correctly disposed of After opening the pump head or replacing the diaphragm and valve plate the initial gas tightness is no longer guaranteed A leak test is able to verify that the original standard of gas tightness has been achieved Spare part Quantity Valve plate 1 Wave di...

Страница 9: ...d f Final step Fig 3 Pump head exploded drawing Fig 2 UN86 16AT 16I Fig 4 Orientation of disk springs 5 Specification Pos Description 1 Carrier 2 Wave diaphragm 3 Intermediate plate 4 Head plate 5 Disk spring 6 Nut 7 Retainer plate 8 Diaphragm support 9 Connecting rod extension 10 O ring 11 Valve plate 12 Washer 13 Fan M Mark ...

Страница 10: ...1 Release the retainer plate 7 by turning it anti clockwise with a pin wrench or a wrench for retainer plate While doing so hold the connecting rod extension 9 in place with holding tool Take care to ensure that the washer 12 does not slip under the diaphragm support 8 2 Remove wave diaphragm 2 3 Check that all parts are free from dirt and clean them if necessary see section 6 Cleaning 4 Slide a n...

Страница 11: ...1 Place the head plate 4 on the intermediate plate 3 in the position indicated by the felt tip pen marking 2 Place disk springs 5 For position see fig 4 3 Put the nuts 6 in place and tighten them diagonally until each of them lies level on the top spring washer realign the pump head From when you start applying pressure on the disk springs tighten the nuts through an angle of 340 That is equivalen...

Страница 12: ...n the system Diaphragm or valve plate is worn Section 5 Servicing Flow pressure or vacuum too low Compare the actual performance with the figures in section 10 or the data sheet There is pressure on the pressure side and at the same time vacuum or a pressure above atmospheric on the suction side The pump is not designed for this condition Liquid condensate has collected in the pump head Let the pu...

Страница 13: ...media which were pumped and on pump cleaning Please fill out the corresponding KNF form and submit it together with the pump A sample statement for copying can be found in section 11 of these operating instructions 8 Replacement parts Spare part Order No Valve plate 006066 Wave diaphragm 012074 O Ring 052713 Disk spring 005205 Tab 3 Replacement parts 9 Accessoires Accessory Order No Wrench for ret...

Страница 14: ...l min at atm pressure UN86AT 16I 1 5 290 6 UN86ST 16I 1 5 290 6 Tab 5 Pneumatic Data Liter at STP Pump type Material Pump head Wave diaphragm Valve plate UN86AT 16I Aluminium alloy PTFE PTFE UN86ST 16I Stainless steel PTFE PTFE Tab 6 Pump materials Pump type Thread size UN86AT 16I I 8 NPT UN86ST 16I I 8 NPT Tab 7 Size of pneumatic port threads ...

Страница 15: ...ve an RMA number submit a completed Decontamination Declaration form to rma knf com The Decontamination Declaration form can obtained from our website or by contacting KNF Technical Services http www knf com pdfs decontamdec doc Phone 609 890 8600 Product return instructions will be provided when the RMA is issued KNF Neuberger Inc 2 Black Forest Rd Trenton NJ 08691 1810 Phone 609 890 8600 Fax 609...

Страница 16: ...ibu Bldg 7F 1 8 6 Shinkawa Chuo ku Tokyo Japan 104 0033 Tel 0081 0 3 3551 7931 Fax 0081 0 3 3551 7932 E mail info knf co jp www knf co jp Korea KNF Neuberger Ltd Woosan Bldg RM 202 336 4 Hwikyung Dong Dongdaemun Ku 130 090 Seoul Tel 0082 0 2 959 0255 6 Fax 0082 0 2 959 0254 E mail knf knfkorea com www knfkorea com Sweden Denmark Finland Norway KNF Neuberger AB Mejerivägen 4 P O Box 44060 SE 10073 ...

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