background image

8 | Overhaul

22 / 28

0870573103_RA0160-0302D_O2_-0001_IM_en

1

4x

3

O-ring

13 mm wrench

Max. admissible

torque: 21 Nm

1x flat gasket:

RA 0160-0202 D, part no.: 0481 503 786
RA 0250-0302 D, part no.: 0481 502 721

Busch genuine spare parts

Exhaust filter (EF), part no.: 0532 141 269

2x for RA 0160-0202 D
3x for RA 0250-0302 D

8

Overhaul

NOTICE

Improper assembly.

Risk of premature failure!

Loss of efficiency!

• It is highly recommended that any dismantling of the machine that goes beyond any-

thing that is described in this manual should be done through Busch.

WARNING

Machines contaminated with hazardous material.

Risk of poisoning!

Risk of infection!

If the machine is contaminated with hazardous material:

• Wear appropriate personal protective equipment.

In case of the machine having conveyed gas that was contaminated with foreign materi-
als which are dangerous to health:

• Decontaminate the machine as well as possible and state the contamination status

in a ‘Declaration of Contamination’.

Busch will only accept machines that come with a completely filled in and legally binding
signed ‘Declaration of Contamination’.
(Form downloadable from 

www.buschvacuum.com

)

Summary of Contents for R 5 RA 0160 D

Page 1: ...bricated Rotary Vane Vacuum Pumps RA 0160 D RA 0202 D RA 0250 D RA 0302 D Version intended for OEM only 0870573103 0001_en Original instructions Modifications reserved 30 05 2017 Ateliers Busch S A Zone industrielle 2906 Chevenez Switzerland ...

Page 2: ...3 Cooling Water Connection Optional 11 5 3 Filling Oil 12 5 4 Electrical Connection 12 5 4 1 Wiring Diagram Three Phase Motor 13 5 5 Electrical Connection of the Monitoring Devices 14 5 5 1 Wiring Diagram Temperature Switch Optional 14 5 5 2 Wiring Diagram Resistance Thermometer Optional 14 5 5 3 Wiring Diagram Level and Temperature Switch Optional 15 5 5 4 Wiring Diagram Pressure Switch Optional ...

Page 3: ...Table of Contents 0870573103_RA0160 0302D_O2_ 0001_IM_en 3 14 EU Declaration of Conformity 27 ...

Page 4: ...ate of the art meth ods Nevertheless residual risks may remain This instruction manual highlights potential hazards where appropriate Safety notes and warning messages are tagged with one of the keywords DANGER WARNING CAUTION NOTICE and NOTE as follows DANGER indicates an imminent dangerous situation that will result in death or serious injuries if not prevented WARNING indicates a potentially da...

Page 5: ...UT Discharge connection DA Directional arrow OFP Oil fill plug EF Exhaust filter OSG Oil sight glass NP Nameplate ODP Oil drain plug OF Oil filter EB Eye bolt AF Axial fan GB Gas ballast valve OS Oil separator AHE Air oil heat exchanger AOS Additional oil separator LES Lead seal IF Inlet filter NOTE Technical term In this instruction manual we consider that the term machine refers to the vacuum pu...

Page 6: ...a leads to an increased thermal and or mechanical load on the machine and is permissible only after a consultation with Busch The machine is intended for the placement in a non potentially explosive environment The machine is capable of maintaining ultimate pressure The machine is suitable for continuous operation Permitted environmental conditions see Technical Data 26 2 3 Optional Accessories 2 ...

Page 7: ...en the oil level is too low or depending on the oil type when the oil reaches a certain temperature see Oil 26 2 3 8 Pressure Switch The pressure switch monitors the pressure in the oil separator The machine must be stopped when the gas reaches a certain pressure see Wiring Dia gram Pressure Switch Optional 15 2 3 9 Pressure Transmitter The pressure transmitter monitors the pressure in the oil sep...

Page 8: ... lift the machine using the eye bolt fitted to the motor Only lift the machine as previously shown 4 Storage Seal all apertures with adhesive tape or reuse provided caps Version with water oil heat exchanger Make sure that the cooling water has been completely removed see Decommis sioning 23 If the machine is to be stored for more than 3 months Wrap the machine in a corrosion inhibiting film Store...

Page 9: ... Sauerstoff 5 1 Installation Conditions WARNING The machine is not absolutely gas tight Risk of fire The installation area must be aired in such a way so as to prevent unacceptable levels of oxygen 20 cm 50 cm 20 cm 50 cm Make sure that the environment of the machine is not potentially explosive Make sure that the ambient conditions comply with the Technical Data 26 Make sure that the environmenta...

Page 10: ...connection if necessary use flexible joints Make sure that the line size of the connection lines over the entire length is at least as large as the connections of the machine In case of very long connection lines it is advisable to use larger line sizes in order to avoid a loss of efficiency Seek advice from your Busch representative 5 2 1 Suction Connection WARNING Unprotected suction connection ...

Page 11: ...Make sure that the discharge line either slopes away from the machine or provide a li quid separator or a siphon with a drain cock so that no liquids can flow back into the machine 5 2 3 Cooling Water Connection Optional Water oil heat exchanger without inlet accessories WHE CWO CWI CWO TV PSA WBV WF CWI WHE Water oil heat exchanger with inlet accessories CWI Cooling water inlet PSA Pressure switc...

Page 12: ...degree 5 3 Filling Oil WARNING Fill the machine with wrong oil type Risk of fire Only use oil approved by Busch and suitable for oxygen application see Oil 26 At delivery the machine is already filled with specific oil Busch YLC 250 B which is suitable for oxygen application A lead seal is applied on the oil fill plug OFP and the oil drain plug ODP in order to prevent wrong material from being fil...

Page 13: ...ction Risk of damage to the motor The wiring diagrams given below are typical Check the inside of the terminal box for motor connection instructions diagrams 5 4 1 Wiring Diagram Three Phase Motor Delta connection low voltage Star connection high voltage Double star connection multi voltage motor with 9 pins low voltage Star connection multi voltage motor with 9 pins high voltage Double star conne...

Page 14: ...e fan wheel stops If the rotation must be changed Switch any two of the motor phase wires 5 5 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms Busch recommends that the control system is configured with a time delay of at least 10 seconds 5 5 1 Wiring Diagram Temperature Switch Optional Part no 0651 563 747 Connector M12x1 4 pin U 250 V AC DC 50 60...

Page 15: ... 5 5 5 Wiring Diagram Pressure Transmitter Optional Part no 0653 563 751 Connector M12x1 4 pin U 10 35 VDC 4 20 mA 0 1 bar 1 2 4 3 3 1 1 Brown 3 Blue Warning signal Pwarning 0 4 bar overpressure Trip signal Ptrip 0 6 bar overpressure 6 Commissioning WARNING Lack of oxygen regulation knowledge Risk of fire Installation commissioning and maintenance must only be carried out by qualified personnel wh...

Page 16: ...e insulated machine over extended periods Make sure that ear protection is being used Make sure that the installation conditions see Installation Conditions 9 are com plied with Switch on the machine Make sure that the maximum permissible number of starts does not exceed 12 starts per hour Version with water oil heat exchanger Open the water supply After few minutes of operation check the oil leve...

Page 17: ...trained in the handling of oxygen Accident prevention regulations or methods must imperatively be complied with Seek further information European Industrial Gases Association EIGA www eiga eu EIGA SAG NL 79 04 Berufsgenossenschaft Rohstoffe und chemische Industrie BG RCI www bgrci de Merkblatt M 034 Sauerstoff WARNING Machine contaminated with organic material Risk of fire If there is a suspicion ...

Page 18: ...d to be considered as starting values which should be shortened or extended as appropriate Particularly heavy duty operation such as high dust loads in the environment or in the process gas other contamination or ingress of process material can make it necessary to shorten the maintenance intervals significant ly Interval Maintenance work Weekly Check the oil level see Oil Level Inspection 18 Chec...

Page 19: ... Oil and Oil Filter Change 19 You can consult your Busch representative in order to find out why this colour change has occurred 7 4 Oil and Oil Filter Change WARNING Fill the machine with wrong oil type Risk of fire Only use oil approved by Busch and suitable for oxygen application see Oil 26 A lead seal is applied on the oil fill plug OFP and the oil drain plug ODP in order to prevent wrong mate...

Page 20: ...8 0870573103_RA0160 0302D_O2_ 0001_IM_en 1 2 3 Drain pan 1x o ring part no 0482 509 010 Remove lead seal if authorized USED 1 USED 2 3 NEW Busch genuine spare parts 1x oil filter OF part no 0531 531 532 Oil filter wrench ...

Page 21: ...d oil capacity see Technical Data 26 and Oil 26 1 4 MAX MIN 3 MAX MIN 2 5 B u s c h O i l Check oil level 1x o ring part no 0486 509 012 or Reapply lead seal 7 5 Exhaust Filter Change 4x 1 2 13 mm wrench RA 0160 0202 D 2x exhaust filter EF RA 0250 0302 D 3x exhaust filter EF ...

Page 22: ... any thing that is described in this manual should be done through Busch WARNING Machines contaminated with hazardous material Risk of poisoning Risk of infection If the machine is contaminated with hazardous material Wear appropriate personal protective equipment In case of the machine having conveyed gas that was contaminated with foreign materi als which are dangerous to health Decontaminate th...

Page 23: ...cial waste in compliance with applicable regulations Dispose of the machine as scrap metal 10 Spare Parts NOTICE Use of non Busch genuine spare parts Risk of premature failure Loss of efficiency The exclusive use of Busch genuine spare parts and consumables is recommended for the proper function of the machine and for granting of warranty WARNING Use of non Busch genuine spare parts Risk of fire O...

Page 24: ...ct voltage Check the power supply The motor is defective Replace the motor The coupling CPL is de fective Replace the coupling CPL The machine does not reach the usual pressure on the suction connection Oil level too low Top up oil The inlet screen IS is par tially clogged Clean the inlet screen IS The inlet filter cartridge op tional is partially clogged Replace the inlet filter cartridge Interna...

Page 25: ...sure the correct posi tion of the exhaust filters EF and the o rings The float valve FV does not work properly Check the float valve and the oil pipe for clogging Remove the clogging The oil is black Oil change intervals are too long Flush the machine con tact Busch The inlet filter optional is defective Replace the inlet filter The machine runs too hot See problem The ma chine runs too hot The oi...

Page 26: ...gas ballast valve 50Hz 60Hz l h 2 5 2 8 4 4 6 4 5 5 5 5 8 Operating temperature 50Hz 60Hz C 64 66 71 78 80 81 82 85 Max allowable pressure in the oil mist separator hPa mbar abs 1600 Max allowable gas inlet tem perature C 50 hPa mbar 150 50 hPa mbar 80 Ambient temperature range C See Oil 26 Ambient pressure Atmospheric pressure Oil capacity l 5 0 6 5 Weight approx kg 140 190 13 Oil YLC 250 B Part ...

Page 27: ...hazardous substances in electrical and electronic equip ment 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 re...

Page 28: ...apan www busch co jp Korea www busch co kr Malaysia www busch com my Mexico www busch com mx Netherlands www busch nl New Zealand www busch com au Norway www busch no Peru www busch com pe Poland www busch com pl Portugal www busch pt Russia www busch ru Singapore www busch com sg South Africa www busch co za Spain www buschiberica es Sweden www busch se Switzerland www busch ch Taiwan www busch c...

Reviews: