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Installation and

Maintenance Instructions

Screw Vacuum Pumps

COBRA AC 1000 F

VR - Vapour Recovery

ATEX version

II 2G (i/o) IIB T4 X

Ateliers Busch S.A.

Zone industrielle

2906 Chevenez

Switzerland

0870561056/

0809 / Original instructions / Modifications reserved

Содержание COBRA AC 1000 F

Страница 1: ...e Instructions Screw Vacuum Pumps COBRA AC 1000 F VR Vapour Recovery ATEX version II 2G i o IIB T4 X Ateliers Busch S A Zone industrielle 2906 Chevenez Switzerland 0870561056 180809 Original instructi...

Страница 2: ...First start up of the system 13 Switching off the system 13 Re start procedure following an Emergency Shut Down of the system 14 Maintenance 14 General information 14 Maintenance program 15 Weekly 15...

Страница 3: ...g liquid inlet connection CLO Cooling liquid outlet connection OFP Oil filler plug OSG Oil sight glass ODV Oil drain ball valve MP Magnetic plug DV1 Ventilation G1 4 DV2 Aeration valve CLD Cooling liq...

Страница 4: ...g liquid injection in the cylinder The COBRA vacuum pumps the principle of screw pumps Two parallel screws RT rotate in opposite directions in the pump body Entering gases are trapped between the pitc...

Страница 5: ...l accordingly Local regulations regarding the motors and electric control elements must be observed when installing the pump in potentially explosive environments The maintenance instructions must be...

Страница 6: ...careful packing Check the packaging for transport damage when the goods arrive The pump can withstand temperatures between 25 C and 55 C during transport Transportation of packaged pump Packed on a p...

Страница 7: ...pe corresponds to the ambient conditions see Oil type Ambient pressure atmospheric Humidity range 20 to 95 Altitude up to 1000 m l Make sure that the cooling liquid fulfills the following require ment...

Страница 8: ...scharge lines the line cross section should be larger than the exhaust flange in order to prevent a drop in the performance of the vacuum pump If you have any doubts contact your Busch representative...

Страница 9: ...or PSA 0301 The sensor must be connected in such a way that the vacuum pump stops when the counter pressure reaches the value prescribed in the COBRA ATEX catalogue Technical data of the standard prod...

Страница 10: ...meter FSA 0502 The contact flow meter must be connected in such a way that the vacuum pump stops when the flow drops below 2 l min It is possible to run the vacuum pump with an injection liquid flow o...

Страница 11: ...talogue If the unit motor coupling hub is already fitted u Move the coupling hubs on the shafts in order to reach value E see COBRA ATEX catalogue l Lock the coupling hubs by tightening the set screws...

Страница 12: ...t the cooling liquid inlet CLI and outlet CLO connections l Open the cooling liquid supply l Adjust the cooling liquid flow to 12 l min Connection of the injection liquid into the cylinder INJ NOTE Ma...

Страница 13: ...e that the Installation Prerequisites are complied with and will remain so and ensure that adequate cooling is guaranteed If the pump is shut down for a longer period of time CAUTION If there is a ris...

Страница 14: ...ations given below WARNING The inside of the vacuum pump must regularly be checked for de posits and be cleaned as and when necessary for example by pur ging the pump Deposits can cause friction and s...

Страница 15: ...eaks have the vacuum pump repaired Busch service l Check the vacuum pump for cooling liquid leaks in case of leaks have the vacuum pump repaired Busch service In case of operation in a dusty environme...

Страница 16: ...ler plugs OFP l Top up with oil l Make sure that the oil level is on MAX mark of the oil sight glass l Make sure that the seal of the oil filler plug are not damaged and replace plug if necessary l Re...

Страница 17: ...ing liquid in compliance with applicable re gulations Checking the current consumption l Check the current of the motor An increased current indicates a fault see Troubleshooting Checking the motor ho...

Страница 18: ...es must be disposed of separately in compliance with applicable environmental regulations When the vacuum pump comes to the end of its life it must be decontaminated CAUTION Only authorised personnel...

Страница 19: ...artial clogging in the suction discharge or pressure line Remove the clogging Long suction discharge or pressure line with too small diameter Use larger diameter Internal parts worn or damaged Repair...

Страница 20: ...ral weeks or months Let the vacuum pump run warm with inlet closed Oil viscosity is too high for the ambient tempe rature Use oil with a better viscosity class Improper oil quantity unsuitable oil typ...

Страница 21: ...ge intervals are too long The oil was overheated Drain oil Fill in new oil see Maintenance In case the oil life is too short use oil with better heat resistance or retrofit cooling Cooling liquid flow...

Страница 22: ...1 0486000766 510 O ring 2 0486511445 511 O ring 1 0486000645 512 O ring 2 0486000526 513 O ring 2 0486000636 514 O ring 2 0486000538 515 Shaft seal 1 0487553116 516 Seal 2 0486511080 732 Flat seal 1 0...

Страница 23: ...ellus S2 V 68 High Performance hydraulic oil viscosity class ISO HC 68 20 60 C TOTAL AZOLLA ZS 68 viscosity class ISO VG 68 Oil quantity The quantity of oil specified in the following table is of info...

Страница 24: ...l motor speed 50 Hz 60 Hz min 1 min 1 3000 3600 Noise level EN ISO 2151 50 Hz 60 Hz dB A dB A 83 85 Ambient temperature C 20 40 Ambient temperature high temperature version refer to the pump nameplate...

Страница 25: ...tances 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 Acoustics...

Страница 26: ...Note...

Страница 27: ...Note...

Страница 28: ...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 T...

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