BUSCH R 5 series Instruction Manual Download Page 1

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Instruction Manual

R 5

Oil-Lubricated Rotary Vane Vacuum Pumps
RA 0400 C, RA 0502 C, RA 0630 C
RC 0400 C, RC 0502 C, RC 0630 C
US Version

0870207738/-_en / Original instructions / Modifications reserved

4/5/2018

Busch Manufacturing LLC
516 Viking Drive
Virginia Beach, VA 23452
USA

Summary of Contents for R 5 series

Page 1: ...ed Rotary Vane Vacuum Pumps RA 0400 C RA 0502 C RA 0630 C RC 0400 C RC 0502 C RC 0630 C US Version 0870207738 _en Original instructions Modifications reserved 4 5 2018 Busch Manufacturing LLC 516 Viking Drive Virginia Beach VA 23452 USA ...

Page 2: ...llation 7 5 1 Installation Conditions 7 5 2 Connecting Lines Pipes 8 5 2 1 Suction Connection 9 5 2 2 Discharge Connection 10 5 2 3 Water Cooling System Optional 10 5 3 Filling Oil 11 5 4 Electrical Connection 12 5 4 1 Wiring Diagram Three Phase Motor 13 6 Commissioning 13 6 1 Conveying Condensable Vapours 14 7 Maintenance 15 7 1 Maintenance Schedule 15 7 2 Oil Level Inspection 16 7 3 Oil and Oil ...

Page 3: ...pump has been designed and manufactured according to state of the art methods Nevertheless residual risks may remain This instruction manual highlights po tential 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 injur...

Page 4: ...MTB LS AHE Air oil heat exchanger BAF Baffle filter DA Directional arrow EB Eye bolt EF Exhaust filter EPG Exhaust pressure gauge FV Float valve on RA version only GB Gas ballast valve standard on RA IN Suction connection LS Level switch MTB Motor terminal box NP Nameplate ODP Oil drain plug OF Oil filter OFP Oil fill plug OS Oil separator OSG Oil sight glass OUT Discharge connection TS Temperatur...

Page 5: ...e pressure The vacuum pump is suitable for continuous operation For permitted environmental conditions see Technical Data 27 2 3 Start Controls The vacuum pump comes without start controls The control of the vacuum pump is to be provided in the course of installation The vacuum pump can be optionally equipped with a starter unit 2 4 Features Accessories Options 2 4 1 Exhaust Pressure Gauge feature...

Page 6: ...RNING Suspended load Risk of severe injury Do not walk stand or work under suspended loads NOTICE In case the vacuum pump is already filled with oil Tilting a vacuum pump that is already filled with oil can cause large quantities of oil to ingress into the cylinder Starting the vacuum pump with excessive quantities of oil in the cylinder will immediately break the vanes and ruin the vacuum pump Dr...

Page 7: ... not remove covers from pump suction or discharge until connections are ready to be made Risk of damage to the vacuum pump The covers prevent dirt and other foreign material from entering the pump If storage for more than 3 months is scheduled Wrap the vacuum pump in a corrosion inhibiting film Store the vacuum pump indoors dry dust free and if possible in original packag ing preferably at tempera...

Page 8: ...ds hoods etc are mounted Version with water oil heat exchanger Make sure that the cooling water complies with the requirements see Cooling Water Connection Optional If the vacuum pump is installed at an altitude greater than 3300 feet above sea level Contact your Busch representative the motor should be derated or the ambient temperature limited If the vacuum pump is equipped with monitoring devic...

Page 9: ...the vacuum pump If the inlet gas contains dust or other foreign solid particles Install a suitable filter 5 micron or less upstream from the vacuum pump Connection size 3 NPT Depending on the specific configuration ordered other connection dimensions may ap ply If the vacuum pump is used as part of a vacuum system Busch recommends the installation of an isolation valve in order to prevent the oil ...

Page 10: ... circulation of the pump oil through the shell is created by vacuum in the pump but the circulation of the cooling water through the tubes is thermostatically con trolled The flow rate of the cooling water is controlled by a thermostatically activated valve that senses through a capillary bulb mounted in the exhaust box the pump s oil temperature as it is discharged from the compression chamber Th...

Page 11: ...TICE Do not fill oil through the vacuum pump inlet Risk of damage to the vacuum pump Starting the vacuum pump with excessive quantities of oil in the cylinder will break the vanes Only fill oil through the oil fill plug OFP NOTICE Do not use inappropriate oil Risk of premature failure Loss of efficiency Only use an oil type which has previously been approved and recommended by Busch For oil type a...

Page 12: ...set consistent with the motor current listed on the motor nameplate Make sure that the motor of the vacuum pump will not be affected by electric or elec tromagnetic disturbance from the mains if necessary seek advice from Busch Ensure the electrical connection is properly grounded Electrically connect the motor Electrically connect the temperature switch TS so that the vacuum pump stops when the e...

Page 13: ...tation can damage the vacuum pump in a short time Prior to starting up make sure that the vacuum pump is operated in the right di rection Determine the intended direction of rotation from the arrow on the motor Jog the motor briefly Watch the fan of the motor and determine the direction of rotation just before the fan stops If the rotation of the motor must be changed Switch any two of the motor p...

Page 14: ...Please consult the factory for recommenda tions Make sure that the operating conditions are complied with see Technical Data 27 After few minutes of operation check the oil level and top up if necessary See Oil Level Inspection 16 As soon as the vacuum pump is operating under normal operating conditions Measure the motor current and record it as reference for future maintenance and troubleshooting...

Page 15: ...oss of efficiency Respect the maintenance intervals or ask your Busch representative for service Shut down the vacuum pump and lock against inadvertent start up Vent the connected lines to atmospheric pressure Version with water oil heat exchanger Turn off the water supply If necessary Disconnect all connections 7 1 Maintenance Schedule The maintenance intervals depend very much on the individual ...

Page 16: ...t the latest after 6 months Clean the vacuum pump from dust and dirt In case of a gas ballast valve GB being in stalled Clean the gas ballast valve If the vacuum pump is equipped with an air oil heat exchanger AHE Check and or clean the air oil heat ex changer If the vacuum pump is equipped with a wa ter cooling system Check and or clean the water cooling sys tem Every 6 months Contact Busch for a...

Page 17: ...ump is stopped NOTICE Do not use inappropriate oil Risk of premature failure Loss of efficiency Only use an oil type which has previously been approved and recommended by Busch NOTICE Do not fill oil through the vacuum pump inlet Risk of damage to the vacuum pump Starting the vacuum pump with excessive quantities of oil in the cylinder will break the vanes Only fill oil through the oil fill plug O...

Page 18: ...er OF part no 0531 000 005 Oil filter wrench For oil type and oil capacity see Technical Data 27 and Oil 27 1 4 MAX MIN 3 B u s c h O il 2 Check oil level CAUTION Oil fill plug not tight enough Failure to secure oil fill plug could cause bodily injury if the plug is blown out When replacing the oil fully tighten the oil fill plug ...

Page 19: ...ded oil build up in oil lines Risk of fire When changing the oil it may be necessary to flush the vacuum pump to remove any build up of degraded oil from the sumps oil lines radiators etc to ensure proper oil flow through the pump Reduced oil flow especially through radiators and cooling coils can cause mechanical damage or extreme overheating which could cause the oil vapors to ignite 7 4 Exhaust...

Page 20: ...s when installing or removing spring retainers for the exhaust filters The retainers can if not secured correctly slip off and fly out of the exhaust box 8 Overhaul NOTICE Improper assembly Risk of premature failure Loss of efficiency It is highly recommended that any dismantling of the vacuum pump beyond what is described in this manual should be done through Busch WARNING Vacuum pumps contaminat...

Page 21: ...nger Turn off the water supply Disconnect the water supply Open the water bypass valve WBV Clean the cooling water inlet with compressed air Disconnect all connections If the vacuum pump is going to be stored See Storage 7 9 1 Dismantling and Disposal Drain the oil Remove the exhaust filters Remove the oil filter Separate special waste from the vacuum pump Dispose of special waste in compliance wi...

Page 22: ...res Risk of electrical shock Electrical installation work must only be executed by qualified personnel CAUTION Hot surface Risk of burns Prior to touching the vacuum pump let the vacuum pump cool down OF CPL GB FV IS EF The vacuum pump appearance may differ from the illustration On RA version only ...

Page 23: ...CPL is defec tive Replace the coupling CPL The vacuum pump starts but labors and draws a very high current Vacuum pump runs in the wrong direction Swap any two motor leads Vacuum pump is overfilled with oil or wrong kind of oil is used Correct the oil level and quantity per Technical Data Table 27 Exhaust filters in exhaust chamber are clogged and appear to be burned black with pump oil Replace ex...

Page 24: ...r or they are damaged Contact Busch service The radial clearance be tween the rotor and the cylinder is no longer correct Contact Busch service The exhaust valve is not properly seated or it is par tially stuck open RA models only Contact Busch service The inlet filter cartridge op tional is partially clogged Replace the inlet filter car tridge Internal parts are worn or damaged Contact Busch serv...

Page 25: ... Filter Change 17 Wrong oil filter is installed Use only Busch approved oil filter Oil lines are clogged Clean oil lines flush oil cooler contact Busch ser vice Motor has failed Service or replace motor contact Busch service The vacuum pump fumes or expels oil droplets through the gas discharge The exhaust filters EF are partially clogged Replace the exhaust filters EF An exhaust filter EF with o ...

Page 26: ... sucked in liquids or significant amounts of vapour Flush the vacuum pump contact Busch Clean the filter of the gas ballast valve GB Modify the operational mode see Conveying Condensable Vapours 14 For the solution of problems not mentioned in the troubleshooting chart contact your Busch representative ...

Page 27: ...dB A 79 79 79 Water vapour tolerance max with gas ballast valve Torr 30 Water vapour capacity with gas ballast valve kg h 11 13 22 Operating temperature F 176 185 176 Max allowable back pressure PSI 3 Max allowable gas inlet tem perature F 37 5 Torr 302 37 5 Torr 176 Ambient temperature range F See Oil 27 Ambient pressure Atmospheric pressure Oil capacity Qts 14 16 16 Weight approx Lbs 1084 1285 1...

Page 28: ...ardous 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 requi...

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BUSCH R 5 series, Instruction Manual

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