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Installation and

Maintenance Instructions

Screw Vacuum Pumps

COBRA DS 0600 E

Standard version

Busch Manufacturing Korea, Ltd.

189-51, Soicheon-ro, Majang-myun

Icheon-si, Gyunggi-do, 467-813

Republic of Korea

0870772383 /

18

1024 / Original instructions / Subject to change without notice

Summary of Contents for COBRA DS 0600 E

Page 1: ...tions Screw Vacuum Pumps COBRA DS 0600 E Standard version Busch Manufacturing Korea Ltd 189 51 Soicheon ro Majang myun Icheon si Gyunggi do 467 813 Republic of Korea 0870772383 181024 Original instructions Subject to change without notice ...

Page 2: ...rocedure 15 Checking the oil 15 Checking the oil level 15 Oil level pump not operating 15 Refilling oil 15 Checking the colour of the oil 15 Oil change 16 Draining used oil 16 Filling in new oil 16 Oil level pump not operating 16 Checking the cooling liquid 16 Checking the level of the cooling liquid 16 Refilling cooling liquid 16 Draining the cooling liquid 17 Filling in new cooling liquid 17 Che...

Page 3: ...C Nitrogen connection DGR 1 Regulating valve dilution gas middle of cylinder DGR 2 Regulating valve dilution gas end of cylinder FME Flow meter nitrogen FS 1 Flow switch cooling liquid FS 2 Flow switch cooling water HE Heat exchanger MV Solenoid valve nitrogen system OSG 1 Oil sight glass OSG 2 Oil sight glass SV Safety valve TR Temperature regulator 55 C TS 1 Temperature switch oil temperature 12...

Page 4: ...um pumps with cooling water and nitrogen circuits The COBRA NS screw vacuum pumps work by the principle of spiral pumps Two parallel screws 8 rotate in opposite directions in the pump body Entering gases are trapped between the flights of the screws and the pump body The gases are conveyed by the rotation of the screws to the exhaust where they are discharged The COBRA NS screw vacuum pumps are dr...

Page 5: ...iquid It must be connected in such a way that actuation causes the vacuum pump to be switched off when the pressure exceeds a value of 3 bar A pressure switch mounted at the exhaust controls the overpressure at the exhaust If overpressure is above 0 2 bar pressure switch gives a warning then an alarm signal Status of the pump depends on the alarm function set by user factory setting None pump cont...

Page 6: ...arance around the pump of min 610 mm Electrical safety Types of Electrical Work The following are the four types of electrical work defined by the SEMI S2 latest version guideline Type 1 Equipment is fully deenergized Type 2 Equipment is energized Energized circuits are covered or insulated NOTE Type 2 work includes tasks where the energized circuits are or can be measured by placing probes throug...

Page 7: ...ng 10s l Press on emergency stop button l Switch off the main disconnect switch l Switch off the customer s power supply l Switch off the water and nitrogen quick connections inlet first then outlet l Put the label or warning board Maintenance processing on or next to the pump The end user is responsible for providing energy isolation capabilities on the water and nitrogen Transport The COBRA DS v...

Page 8: ...on and start up Necessary installation instructions CAUTION If the necessary installation instructions are not followed and parti cularly in the case of inadequate cooling Risk of damage to and total destruction of the vacuum pump and its components Risk of personal injury The necessary installation instructions must be followed l Make sure that the integration of the vacuum pump in its new en vir...

Page 9: ...e Risk of body damage The following instructions for connection to the discharge only apply if the sucked gas is discharged by the vacuum pump into a suitable envi ronment l Make sure that the protection that was attached to prevent pene tration of particles during transport has been removed before the vacuum pump is connected to the vacuum line l Make sure that the nominal diameter of the exhaust...

Page 10: ...TION When connecting up the wires into the terminal box please make sure the tightening torque of 3 Nm is adhered to and check with a calibrated torque wrench Nuts M6 Three phase motor connection Star star connection Low voltage Star connection High voltage Thermo switch connection Connection of supply cable to control box l Pass the cable through cable fitting of control box l Open the electrical...

Page 11: ...rious oil sight glasses OSG 1 2 on the vacuum pump CAUTION Before you change the type of oil make sure that the new type is compatible with the old type If necessary flush the vacuum pump l Unscrew the oil filler cap c Oil level pump not operating l Fill in oil l Make sure that the oil level is in the target circle of the oil sight glasses l Make sure that the seals of the oil filler cap are not d...

Page 12: ... not equipped with a shut off device l Remove the rubber plate from the intake flange and connect the intake line to the intake flange Checking the direct cooling The flow of the cooling water is checked by the flow switch FS 2 The flow switch must be connected in such a way that switching on leads to an alarm and stopping of the vacuum pump when the flow drops below 7 l min Checking the nitrogen ...

Page 13: ...in u Collect the cooling liquid and recycle it or dispose of it accor ding to local or national regulations Drain the cooling water u Pull off the connections for the inlet and outlet of the cooling water u Drain the cooling water completely u If necessary drain the cooling water with the help of compres sed air to prevent any risk of frost or corrosion NOTE When the pump has not been in operation...

Page 14: ...ing liquid and oil levels according to the chapters Checking the oil level and Checking the cooling liquid level open the power box cover and check that the FDP1 thermal relay is on manual reset position close the cover switch on the main disconnect switch release the emergency stop button switch on the water and nitrogen quick connections outlet first then inlet make sure that the Necessary insta...

Page 15: ... with oil see Refilling oil If the oil level exceeds the target circle level u Check the condensate drain l Drain the oil see Draining the oil Refilling oil NOTE Oil does not normally have to be refilled outside the recom mended oil change intervals A drop in the oil level indicates a fault see Troubleshooting CAUTION Only fill in oil through the oil filler opening CAUTION Danger of burns when the...

Page 16: ...d oil can lead to ha zardous pump conditions which could cause personal injury NOTE The quantity of oil specified in the installation handbook is of informative nature only Check the oil level with the help of the various oil sight glasses on the vacuum pump l Make sure that the drain plugs have been fitted properly and that they do not leak CAUTION Only fill in oil through the oil filler opening ...

Page 17: ...ling liquid that may have run on outside surfaces of va cuum pump Checking the cooling water Checking the cooling water flow l Check the cooling water flow regularly If the flow drops check for leaks u Make sure that the specifications of the cooling water are fol lowed Checking the nitrogen Checking the nitrogen flow l Check the nitrogen flow regularly If the flow drops check for leaks u Make sur...

Page 18: ...ing the vacuum pump must imperatively be deconta minated and the degree of contamination must be documented in a declaration of decontamination Declaration of Decontamination which can be downloaded from www buschvacuum com Dispose of the used oil and condensate according to applicable en vironmental protection regulations When the product has reached the end of its lifetime decontaminate the vacu...

Page 19: ... oil can lead to hazardous pump conditions which could cause personal injury Oil quantity The quantity of oil specified in the following table is of informative nature only Check the oil level with the help of the various oil sight glasses on the vacuum pump Quantity Liter Screw vacuum pump NS Motor side A Inlet side B DS 0600 E 0 8 0 8 DS 0600 E Oil type quantity 0870772383 En Page 19 ...

Page 20: ... of informative nature only Respect the procedure of filling the cooling liquid Quantity Zitrec M 25 already mixed ready to use DS 0600 E approx 26 litres CAUTION The proportion of pure glycol and water for the cooling liquid corresponds to a percentage of 40 pure glycol and 60 water It is therefore not necessary to prepare the mix before use But when using pure glycol it is imperative to prepare ...

Page 21: ...essure 60 Hz kW 9 0 Nominal motor speed 60 Hz min 1 3600 Noise level EN ISO 2151 60 Hz dB A 68 Ambient temperature C F 0 40 32 104 Maximal counter pressure Discharge bar 0 2 Cooling water requirement l min min 8 0 Cooling water pressure bar DP 2 5 Cooling water temperature C 10 25 Nitrogen requirement approx l min 0 200 Nitrogen overpressure bar 1 5 Weight approx kg 745 DS 0600 E Technical data 08...

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Page 23: ...c equipment and following the standards Standard Title of the standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2008 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs EN 1012 1 2010 EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Part 1 and 2 EN ISO 2151 2008 Acoustic...

Page 24: ... Majang myun Icheon si Gyunggi do 467 813 Republic of Korea Phone 82 31 645 2700 Fax 82 31 631 2898 e mail busch busch co kr Malaysia Busch Malaysia Sdn Bhd 4 6 Jalan Taboh 33 22 Seksyen 33 Shah Alam Technology Park 40400 Shah Alam Selangor Darul Ehsan Phone 60 3 5122 2128 Fax 60 3 5122 2108 e mail busch busch com my Mexico Busch Vacuum Mexico S de R L de C V Tlaquepaque 4865 Los Altos Monterrey N...

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