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KNF 126111, Руководство по эксплуатации

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Vacuum pump system SCC 950 

 

Servicing 

Translation of original Operating Instructions, English, KNF 304771-304773 07/18 

39 

9.3.  Replacing the diaphragms and valve plates  

 

 

Vacuum pump system disconnected from mains power 
and de-energized 

 

Vacuum pump system is clean and free of hazardous ma-
terials. 

 

Hoses removed from pneumatic system inlet and outlet. 

 

Charging station not attached to vacuum pump system 
(remove it beforehand) 

 

Qty  Material 

1 

Phillips screwdriver no. 2 

1 

Allen wrench 3 

1 

Allen wrench 2.5 

1 

Open-end wrench, width 7 mm 

1 

Spare parts set (see Chapter 11, page 52) 

1 

Pencil 

 

Tab. 8 

 

  Always replace diaphragms and valve plates together to main-

tain the pump capacity. 

 

 

WARNING 

 Health hazard due to dangerous substances in the 

vacuum pump system and pump 

 

Depending on the medium transferred, caustic burns 
or poisoning are possible. 

 

  Wear protective clothing if necessary, e.g. 

protective gloves. 

  Flush the vacuum pump system before replacing 

the diaphragms and valve plates (see Chapter 
9.2.1, page 37). 

 

 

CAUTION 

 Danger of burns from hot pump parts 

The pump head or motor may be hot even after the 
pump has been shut off. 

  Allow the pump to cool off after operation. 

 

 

 

Requirements 

Material and tools 

Information on procedure 

Содержание 126111

Страница 1: ...rating Instructions English Operating Instructions Read and observe these Operating Instructions Vacuum pump system SCC 950 KNF Neuberger GmbH Alter Weg 3 79112 Freiburg Germany Tel 49 0 7664 5909 0 F...

Страница 2: ...cable USB cable for connecting vacuum pump system to PC Power supply for hand terminal Operating instructions Abbreviated instructions CD with digital operating instructions and software for op eratin...

Страница 3: ...26 8 Operating the vacuum pump system27 8 1 Hand terminal 27 8 1 1 General functions and displays 27 8 1 2 Operation 29 8 1 3 Changing batteries on the hand terminal 35 8 2 Operation without hand term...

Страница 4: ...pump system Failure to do so may result in damage or injury 1 2 Symbols and markings Warning WARNING This symbol indicates a danger statement It also indicates the possible consequences of failure to...

Страница 5: ...a medium check the compatibility of the materials of the pump head diaphragms valves seals and hoses with the medium Before transferring a medium check whether the medium can be transferred safely On...

Страница 6: ...uum pump system is not suitable for transferring liquids The vacuum pump system must not be used if the entry of air or gas into the vacuum pump system during venting ventilation valve or an open gas...

Страница 7: ...rts of the body to vacuum Open housing parts with notice sticker see Fig 1 only after sepa rating mains plug from power source Ensure that personnel check before each use of the SCC 950 vacuum pump sy...

Страница 8: ...ational and international regulations This applies especially to parts contaminated with toxic substances The SCC 950 vacuum pump system conforms to the Directive 2011 65 EU RoHS2 The SCC 950 vacuum p...

Страница 9: ...tion Brass nickel plated Hoses Norprene Adapter separator PP Adapter control unit PPS Adapter connector PP Pressure transducer Ceramic 1 4404 Ventilation valves gas ballast valve Anchor seal O ring Tu...

Страница 10: ...ible temperature 15 C to 20 C Coolant connections on high performance condenser For hose ID 8 mm Coolant coated surface cm2 Min 470 Electrical data of vacuum pump system Nominal voltage V 100 240 10 F...

Страница 11: ...socket External diameter 6 3 mm Inside diameter 2 mm Batteries 4 x AA 1 2 V 2600 mAh quick charge capable see spare parts list in Chapter 11 Battery service life Up to 12 hours depending on number of...

Страница 12: ...The USB connection between the PC and the SCC 950 vacuum pump system is operated as an RS232 interface Accordingly in the operating system it is managed as an additional COM connec tion and can be ad...

Страница 13: ...ollection flask coated 9 Suction side condensate collection flask coated 10 Base 11 Power switch 12 Charging station for hand terminal 2 13 Hand terminal 2 14 Top fan 15 Control module 16 Connection f...

Страница 14: ...r temperature insulation and explosion protection Solvents separated in the high performance condenser are collect ed in the collection flask 8 which is coated for explosion protec tion A flask clip 7...

Страница 15: ...ic or Automatic Plus is set again only one active process can be operated on the vacuum pump system At any time during an active process you can switch to manual process control Functions for evacuati...

Страница 16: ...from the bracket on the vacuum pump system see Chapter 5 1 1 page 13 and the vacuum pump system can be operated wirelessly This provides a convenient way to operate the vacuum pump system when it is i...

Страница 17: ...lve 2 Inlet valve 3 Pumping chamber 4 Diaphragm 5 Cam 6 Connecting rod 7 Drive space Fig 4 Pump assembly How diaphragm pumps work Diaphragm pumps transfer compress depending on pump ver sion and evacu...

Страница 18: ...active or explosive mixtures will be produced when the gas ballast valve is open When transferring vaporous media opening the gas ballast valve can minimize the formation of condensation in the pump h...

Страница 19: ...9 A recirculating cooler or flowing cold water or another cooling medium is needed to cool the high performance condenser to the condensation temperature Hand terminal 1 of the SCC 950 vacuum pump sys...

Страница 20: ...n 9 Screw to fix foot to bottom of housing Fig 6 Charging station for hand terminal The green LED Fig 6 6 indicates that the hand terminal is charg ing LED lit when it is placed on the charging statio...

Страница 21: ...tion fixed to a wall 4 Attachment to the vacuum pump system Fig 6 bot tom Foot in top position Wire support in top position and folded down Fixing screw Fig 6 9 tightened 1 Loosen the two Allen screws...

Страница 22: ...nents that obstruct the gas flow Securely direct gas emission away so that no gas can escape into the ambient air Make sure that the high performance condenser s gas outlet is not blocked 3 Attach the...

Страница 23: ...uum pump system at ambient temperature Ensure that hand terminals are properly matched up with the appropriate vacuum pump system If the vacuum system is ventilated through the air inlets Fig 2 17 and...

Страница 24: ...ee Chapter 11 Spare parts and accessories WARNING Uncontrolled operation may result in personal injury and damage to the SCC 950 vacuum pump system If the wireless connection between the hand terminal...

Страница 25: ...gas outlet is not blocked In order for the high performance condenser to recover solvent from the transferred gas it must be cooled with a cold water connection or a recirculating cooler If using a co...

Страница 26: ...pter 8 page 27 for information on operating the vacuum pump system 7 2 Stopping operation Stop the ongoing process If aggressive media are being transferred rinse the vacuum pump system before you swi...

Страница 27: ...nding on selected operating mode Press the knob Interrupts the active process and switches to manual process control pressing causes evacuation Touchscreen contents Display of the most important proce...

Страница 28: ...nal belongs to the desired vacuum pump system The paging function may be used for this purpose see Paging the vacuum pump system page 34 Displays 1 Battery Charging Charging sta tus 2 Connection to va...

Страница 29: ...the current pressure is applied as the setpoint pressure Fig 11 Menus and buttons on touchscreen 8 1 2 Operation Menu language Switch on the hand terminal On the start page you can choose between Ger...

Страница 30: ...r changing operating mode see Fig 13 top image Operating mode can be changed only when no process is active Switching to manual process control break Press briefly on the rotary knob Manual process co...

Страница 31: ...nd closing coolant valve accessory The coolant valve of the SCC 950 vacuum pump system can be activated via both hand terminals for switching behavior refer to Tab 5 Press the ON button for the coolan...

Страница 32: ...ew setpoint pressure and the vacuum pump system regulates to this pressure The current setpoint pressure is shown in the display in place of the arrow If you press again on the setpoint pressure value...

Страница 33: ...ine To change columns e g from t to p mbar Press the rotary knob To change an entry Turn the rotary knob After the last column the display automatically returns to line selection and jumps to the next...

Страница 34: ...he active process Fig 10 5 page 28 is pressed on the hand terminal display the LED beside the paging button on the vacuum pump system flashes Fig 17 p 36 Likewise the hand terminal responds to the pag...

Страница 35: ...40 5 1 can lead to a partly or total defect of the hand terminal Only handle the hand terminal at an ESD protected area EPA by a qualified person un der the IEC 61340 5 1 directive 1 Loosen the six sc...

Страница 36: ...nser 7 or 8 For switching behavior of the coolant valve see Tab 5 p 31 Open close the gas ballast valve via the gas ballast switch 9 also possible when the hand terminal is on the charger Press once O...

Страница 37: ...switching off the vacuum pump system separate it from the vacuum chamber and flush it with air or with inert gas if required for safety reasons under atmospheric conditions ambient pressure for about...

Страница 38: ...ish KNF 304771 304773 07 18 Pressure side 1 Hold the collection flask Fig 2 8 page 13 and simultaneously remove the flask clip 7 remove the collection flask 2 Dispose of contents in collection flask a...

Страница 39: ...end wrench width 7 mm 1 Spare parts set see Chapter 11 page 52 1 Pencil Tab 8 Always replace diaphragms and valve plates together to main tain the pump capacity WARNING Health hazard due to dangerous...

Страница 40: ...the SCC 950 vacuum pump system 1 4x attachment screws grip assembly 2 1x grip assembly 3 1x plug for gas ballast valve 4 1x plug for pressure switch 5 1x plug for resonance sen sors 6 1x plug for vol...

Страница 41: ...e the two connection fittings from the connection blocks 4 Replace the O rings 10 x 1 8 in the two connection fittings 8 and properly dispose of the old O rings 5 Loosen the four attachment screws 9 a...

Страница 42: ...h KNF 304771 304773 07 18 9 3 3 Disassembling head connection Fig 20 Disassembling the head connections 1 Remove the head connection s 10 and 13 screws Fig 20 9 and 12 and remove the head connections...

Страница 43: ...plate in termediate plate and compressor housing 6 Head 4 Fig 21 IIII Use a pencil to apply four marks M across the head plate in termediate plate and compressor housing During re assembly refer to th...

Страница 44: ...hragms and valve plates 1 Manually remove the four diaphragms Fig 24 8 by turning them in a counter clockwise direction Use caution to prevent the shim rings 17 located between the diaphragm and the c...

Страница 45: ...e 60 Ncm Refer to Fig 25 for arrangement and alignment of disk springs and the washers 9 3 6 Assembling heads and head connection 1 Place three O rings Fig 22 4 into each of the head connec tion holes...

Страница 46: ...c tion blocks and then fix them in place with the two spring steel clips 7 3 Replace plugs 3 4 5 and 6 on the electrical connection of the pump 4 Put the grip assembly 2 back onto the vacuum pump syst...

Страница 47: ...load 2 Replace the mains fuse s of the vacuum pump system At the fuse drawer Fig 2 17 p 13 press the lock ing strap downward and remove the fuse drawer Replace defective fuse s For fuse specifications...

Страница 48: ...nsate in pump head Open the gas ballast and rinse the pump heads Dry the system with fresh air or if necessary for safety reasons with an inert gas 1 If inert gas is used Connect an inert gas source t...

Страница 49: ...n The overcurrent protection circuit of the vacuum pump system has responded Switch the vacuum pump system off and on to reset it Make sure that nothing is blocking the fans on the vacuum pump sys tem...

Страница 50: ...respond to the entries on the hand terminal although there is no No connection mes sage and the pres sure display is shown The hand terminal belongs to a different SCC 950 vacuum pump system that is i...

Страница 51: ...sible values Pressure units were changed Select the desired pressure unit Leak in the system See Tab 9 Insufficient vacuum generated although the pump is run ning Pressure sensor has to be recalibrate...

Страница 52: ...ts for pump A spare parts kit contains all parts needed for complete overhaul of the pump head 4x diaphragms 8x valve plates 6x valve plates 2x flat seals 8x O rings 24 x 2 6 x green 2 x black 6x O ri...

Страница 53: ...connectors for high performance condenser Coolant connections ID 8 025981 O ring for collection flask holder 047744 Collection flask 500 ml coated 121415 Flask clip 025968 Mains fuse T 2 5 027575 Tab...

Страница 54: ...tion form 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 avo...

Страница 55: ...mp system SCC 950 Health and safety clearance and decontamination form Translation of original Operating Instructions English KNF 304771 304773 07 18 55 13 Health and safety clearance and decon tamina...

Страница 56: ...KNF worldwide Please find our local KNF partners at www knf com...

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