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Vacuum Pump System SC/SEM/SH/SR950

Servicing

Translation of original Operating Instructions, English, KNF 125549-125552 07/18

47

9.3.1. Removing the pump

Fig. 20: Accessing the pump in the SC 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

sensors

6

1x plug for voltage supply

7

2x spring steel clips

8

2x head connection fittings

9

4x attachment screws

(pump)

1. Loosen the four attachments screws (Fig. 21/

1

) and remove

the grip assembly (

2

).

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Содержание SC 950

Страница 1: ...ctions English Operating Instructions Read and observe these Operating Instructions Vacuum pump systems SC 950 SEM 950 SH 950 SR 950 KNF Neuberger GmbH Alter Weg 3 D 79112 Freiburg Germany Phone 49 0...

Страница 2: ...ith digital Operating Instructions and software for operating the vacuum pump system with a PC Items including delivery SEM SH SR 950 Vacuum pump system Coated collection flasks 2 x Flask clamps 2 x M...

Страница 3: ...n and connection 25 6 1 Installation 25 6 2 Connection 26 7 Operation 27 7 1 Start up 27 7 2 Taking system out of operation 30 8 Operating vacuum pump system 31 8 1 Hand terminal only SC 950 31 8 1 1...

Страница 4: ...ystem Failure to do so may result in damage or injury 1 2 Symbols and markings Warning WARNING A danger warning is located here It also indicates the possible consequences of failure to observe the wa...

Страница 5: ...e compatibility of the materials of the pump head diaphragm valves sealings and tubing with the medium Before using a medium check whether the medium can be trans ferred danger free in the specific ap...

Страница 6: ...vacuum 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 vent valve or an open gas ball...

Страница 7: ...only after sepa rating mains plug from power source Only SC 950 Ensure that personnel check that the hand terminal is the right one for this particular system before using a SC 950 vacuum pump system...

Страница 8: ...to parts contaminated with toxic substances The vacuum pump systems SC SEM SH SR 950 conform to the Directive 2011 65 EU RoHS2 The vacuum pump systems SC SEM SH SR 950 conform to the safety regulation...

Страница 9: ...connection POM PA Tubing Norprene Only SC SEM 950 Tubing inert gas connection PVC Adaptor separator PP Only SC SEM 950 Pressure sensor Ceramics 1 4404 Venting valve Gas ballast valve Piston seal O rin...

Страница 10: ...e bar g 3 Permissible temperature 15 C to 20 C Coolant connections on high performance condenser For tube ID 8 mm Coolant wetted surface cm2 Min 470 Electrical data vacuum pump system Voltage V 100 24...

Страница 11: ...6 3 mm Inside diameter 2 mm Chargeable batteries 4 x round AA 1 2 V 2600 mAh fast charging see spare parts list in chapter 11 Battery service life Up to 12 hours depending on number of entries and dat...

Страница 12: ...re only SC 950 The USB connection between the PC and the vacuum pump system is operated as an RS232 interface Accordingly in the operating system it is managed as an additional COM connection and can...

Страница 13: ...terminal dock 6 Gas ballast switch 7 Flask clamp for 8 and 9 8 Pressure side condensa tion collection flask coated 9 Suction side condensation collection flask coated 10 Base 11 Mains switch 12 Top f...

Страница 14: ...ler or continuously flowing cold water or another cooling media cools the high performance condenser to the condensation temperature 5 1 2 Vacuum pump system functions The vacuum pump system can be op...

Страница 15: ...mple after successful boiling point detection in the automatic mode the following opera ting modes are available for specific distilling off of the solvent recovered Evacuation constant vaporization r...

Страница 16: ...ay to operate the vacuum pump system when it is in a cabinet or under a closed fume hood Whenever the hand terminal is located in the holder while the vacuum pump system is turned on the batteries in...

Страница 17: ...h 5 Flask clamp for 6 and 7 6 Pressure side condensa tion collection flask coated 7 Suction side condensation collection flask coated 8 Base 9 Mains switch 10 Top fan 11 Bottom fan 12 Coolant valve co...

Страница 18: ...exit into the environment or fume hood The high performance con denser is surrounded by a shell for temperature insulation and explosion protection Solvents deposited in the high performance condenser...

Страница 19: ...knob 4 Gas ballast switch 5 Flask clamp for 6 and 7 6 Pressure side condensa tion collection flask coated 7 Suction side condensation collection flask coated 8 Base 9 Mains switch 10 Top fan 11 Botto...

Страница 20: ...osion protection Solvents deposited in the high performance condenser are col lected in the coated for explosion protection collection flask 6 A flask clip 5 secures the glass flask to the condenser f...

Страница 21: ...acuum pump system 1 Carrying handle 2 Rotary knob 3 Gas ballast switch 4 Flask clamp for 6 and 7 5 Pressure side condensa tion collection flask coated 6 Suction side condensation collection flask coat...

Страница 22: ...the pump are collected in the collection flask coated for explosion protection 5 A flask clip 4 fastens the glass flask to the separator adapter 5 4 2 Vacuum pump system functions The flow of the pum...

Страница 23: ...design How diaphragm pumps work Diaphragm pumps transfer compress depending on pump version and evacuate gases and vapors The elastic diaphragm 4 is moved up and down by the eccentric 5 and the connec...

Страница 24: ...tures will be produced when gas ballast valve is open When pumping vaporous media opening the gas ballast valve can minimise the formation of condensation in the pump heads Opening the gas ballast val...

Страница 25: ...connect components to the vacuum pump system which are designed for the pneumatic data of the vacuum pump sys tem see chapter 4 page 9 Only SC SEM SH 950 A recirculating cooler or flowing cold water...

Страница 26: ...compo nents that hinder the gas flow Safely discharge gas exhaust so that no gas can escape into the ambient air Only SC SEM SH 950 Make sure that the high performance condenser s gas outlet is not b...

Страница 27: ...pump system is at room temperature Only SC 950 Ensure that hand terminals are properly matched up with appropriate vacuum pump system Only SC SEM 950 No reactive explosive or otherwise hazardous mixtu...

Страница 28: ...this purpose see Actuating the vacuum pump system page 38 Additionally it is possible to use color stickers to indicate which hand terminal belongs to which vacuum pump system SC 950 see chapter 11 S...

Страница 29: ...of high performance condenser bursting The high performance condenser is not pressure proof Make sure that the high performance condenser s gas outlet is not blocked In order for the high performance...

Страница 30: ...hapter 8 page 31 for information on operating the vacuum pump system 7 2 Taking system out of operation Stop the ongoing process When transferring aggressive media flush the vacuum pump system prior t...

Страница 31: ...terrupts the active process and switches into manual process control pressing effects an evacuation in this case Touchscreen contents Display of the most important process variables Fig 10 page 32 Men...

Страница 32: ...this purpose see Actuating the vacuum pump system page 38 Displays 1 Battery Charging Charging status 2 Connection to vacuum pump system Direct connection Wireless connection 3 Process time 4 Actual...

Страница 33: ...u 3 Button Actuating the vacu um pump system Paging 4 Button for ventilation valve ON To open OFF To close 5 Button for coolant valve accessory at high performance condenser ON To open OFF To close 6...

Страница 34: ...Pressure units can be changed only when no process is active In order to change the unit of pressure it is necessary to temporarily switch to another operating mode Fig 12 Pressure units menu Operatin...

Страница 35: ...process Pressing the STOP button stops a process Open and close the ventilation valve WARNING Personal injury caused by poisoning or explosion and damage to the vacuum pump system Ensure that the crea...

Страница 36: ...otary knob to set desired pressure Entering value in Automatic operating mode Not necessary to enter value If a boiling point is detected in Automatic mode after the system regulates to this pressure...

Страница 37: ...l options column to influence the course of the function CV1 Open coolant valve accessory CV0 Close coolant valve accessory S Jump the system evacuates ventilates to the required pressure as quickly a...

Страница 38: ...uent sampling points are automatically deleted Calling the stored data point tables Press the button to select data point tables arrow in Fig 15 and select the required data point table You can now se...

Страница 39: ...ESD protection specifications under the IEC 61340 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 under...

Страница 40: ...high performance condenser s coolant valve accessory Call the hand terminal paging the hand terminal will answer with a signal tone Open Close gas ballast valve via gas ballast switch 6 also possible...

Страница 41: ...d close coolant valve accessory for the high performance condenser 4 Set flow of the pump via rotary knob 5 15 100 Open Close gas ballast valve via gas ballast switch 6 push once open gas ballast valv...

Страница 42: ...he pump will rotate with a minimum flow rate of 15 If the rotary knob is then rotated farther to the left past the mechanical indent the vacuum pump system s pump will be switched off Open Close gas b...

Страница 43: ...950 Operating vacuum pump system Translation of original Operating Instructions English KNF 125549 125552 07 18 43 8 3 Software only SC950 Please see the delivered CD for information on operating the...

Страница 44: ...off the vacuum pump system separate it from the vacuum chamber and flush it with air if necessary for safety reasons with an inert gas under atmospheric conditions ambient pressure for about five minu...

Страница 45: ...45 Pressure side 1 Grasp the collection flask Fig 2 8 p 13 or Fig 4 6 p 17 Fig 5 6 p 19 and Fig 6 5 p 21 and simultaneously remove attachment clamp 7 or 5 5 and 4 pull out collection flask 2 Dispose...

Страница 46: ...et see chapter 11 page 59 1 Pencil Tab 7 Always replace diaphragms and valve plates together to maintain the pump performance WARNING Health hazard due to dangerous substances in the vacuum pump syste...

Страница 47: ...mp in the SC 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 sensors 6 1x plug for...

Страница 48: ...pull the two head connection fittings out of 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...

Страница 49: ...F 125549 125552 07 18 49 9 3 3 Disassembling head connection Fig 22 Disassembling the head connections 1 Remove the head connections 10 and 13 attachment screws Fig 23 9 and 12 and remove the head con...

Страница 50: ...head plate intermediate plate and compressor housing 4 Head 4 Fig 24 IIII Use a lead pencil M to apply four marks across the head plate intermediate plate and compressor housing During re assembly re...

Страница 51: ...Replacing the diaphragms and valve plates 1 Manually remove the four diaphragms Fig 27 8 by turning them in the counterclockwise direction Use caution to prevent the shim rings 17 located between the...

Страница 52: ...and tighten only to hand tightness tightening torque 60 Ncm Refer to Fig 28 for arrangement and alignment of disk springs and the screw s washer 9 3 6 Assembling heads and head connection 1 Place thr...

Страница 53: ...first insert the two head connection fittings 8 into the connection blocks and then fasten them with the two spring steel clips 7 3 Put plugs 3 4 5 and 6 back onto the pump s electrical connection 4...

Страница 54: ...uum pump system fuses blown 1 Find and eliminate the cause of the overload 2 Replace the mains fuse s of the vacuum pump system Push the locking clip on the fuse drawer down Fig 2 17 p 13 or Fig 4 14...

Страница 55: ...n chapter 3 3 Run the vacuum pump system SC 950 in evacuation mode at 100 pump capacity 4 Re open the gas inlet If problem persists contact KNF Service Condensation in pump head Open gas ballast and f...

Страница 56: ...ocking the vacuum pump system fans Fig 2 12 and 13 p 13 or Fig 4 10 and 11 p 17 Fig 5 10 and 11 p 19 and Fig 6 9 and 10 p 21 and make sure that adequate supply and removal of cool air is provided Find...

Страница 57: ...ich is currently in operation Use the page function see Actuating the vacuum pump system p 38 to check whether the right hand termi nal is being used Acoustic alarm sounds on hand terminal Batteries l...

Страница 58: ...isplay has been changed Set desired unit of pressure Leaks in system See Tab 9 Required vacuum not generated even though pump is running Recalibration of pressure sensor required Contact KNF Service T...

Страница 59: ...rts 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 rings...

Страница 60: ...le gas outlet for high performance condenser gas connection ID 10 026237 Only SC SEM SH 950 Hose nipple for high performance condenser coolant connection ID 8 025981 O ring adapter on collection flask...

Страница 61: ...econtamination 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 or...

Страница 62: ...fety clearance and decontamination form Vacuum Pump System SC SEM SH SR950 62 Translation of original Operating Instructions English KNF 125549 125552 07 18 13 Health and safety clearance and decontam...

Страница 63: ......

Страница 64: ...KNF worldwide Find your local KNF partner on www knf com...

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