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Utile 675A, Installation, Operation & Maintenance Instructions Manual

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Utile 675A Installation, Operation & Maintenance Instructions Manual Download Page 1

 

 GAS COMPRESSORS / BOOSTERS 

 GAS & AIR MIXING SYSTEMS 

 AIR BLOWERS & VACUUM PUMPS 

The Utile Engineering Co. Ltd.

 

Irthlingborough, Northamptonshire, NN9 5UG, ENGLAND 

Telephone: + 44 (0) 1933 650216   Facsimile: + 44 (0) 1933 652738   Email: [email protected]   

www.utileengineering.com 

Feb-19 

1 

IC013 Rev2

 

 

 
 

Installation 

Operation 

Maintenance Instructions 

 

Model 675A 

Centrifugal 

Blowers /Exhausters 

& Gas Boosters 

 
 
 
 
 
 
 
 
 

 
 
 

 
 

 

 
 
 
 
 

 

Serial Number 

 

 

 

Site Location 

 

 

 

Installation Date 

 

 

Summary of Contents for 675A

Page 1: ...gh Northamptonshire NN9 5UG ENGLAND Telephone 44 0 1933 650216 Facsimile 44 0 1933 652738 Email sales utileengineering com www utileengineering com Feb 19 1 IC013 Rev2 Installation Operation Maintenance Instructions Model 675A Centrifugal Blowers Exhausters Gas Boosters Serial Number Site Location Installation Date ...

Page 2: ...mmencing work on this equipment Your attention is drawn to the health and safety information on page 4 Until the equipment into which the machine has been incorporated and the said equipment declared to be in conformity with the Machinery Directive they must not be put into service Foreword The 675 series centrifugal gas booster has been developed based on many years of experience in the booster a...

Page 3: ...installation can then show whether the machine is performing as it did originally Operating Principle Centrifugal pumps work as their name suggests by centrifugal force driving outwards from the centre of rotation They provide a constant low pulsation supply of air or gas The machines have an impeller rotating inside a volute casing The air gas enters at the eye centre of the impeller and is throw...

Page 4: ...intain equipment it must be safely depressurised or pressurised to ambient conditions Also since the gaseous medium may be flammable toxic corrosive or otherwise hazardous it may be necessary to purge the installation with an inert gas such as nitrogen Special precautions are necessary for certain gases and the user must ensure that adequate procedures are implemented Moving parts of machinery mus...

Page 5: ...rrect orientation Adjacent pipework and equipment must not impose undue forces and moments on the machinery flanges All welding work must be carried out be an approved gas coded welder In order to prevent reverse rotation of machines it is ESSENTIAL that a non return valve be installed in the inlet pipework Otherwise a hazardous situation can arise during a normal shutdown or if the prime mover po...

Page 6: ...e 21 is which a combustible dust air mixture is likely to be present in normal operation Atex equipment category 2G gas or 2D dust Equipment in this category shall have a sufficient level of protection for normal operation and expected malfunctions Category 3 Zone 2 is which an explosive gas air mixture is not likely to occur in normal operation and if it occurs it will only exist for a short time...

Page 7: ...1 10 1 48 2 06 2 73 Absorbed Power at 35 mbar at Max Speed Nat Gas kW 0 73 0 87 1 32 1 72 Maximum Ambient Temperature C 40 40 40 40 40 Surface Temperature at Max Press at Max Speed Air C 129 129 129 129 129 Machine T rating T4 T4 T4 T4 T4 IP Rating IP56 IP56 IP56 IP56 IP56 Moment of Inertia kg m2 0 002 0 003 0 004 0 006 0 007 Noise Level at 1 metre db A 73 84 73 84 73 84 73 84 73 84 Weight Baresha...

Page 8: ...machine For weights see above in Technical Specification Installation Before commencing installation a site specific risk assessment method statement and hazard identification list must be completed and adhered to All work must be carried out in a safe area Utile Engineering trained personnel or those trained to an equivalent standard should carry out installation any claims for damage due to faul...

Page 9: ...ly and Connection The voltage rating of the supply must be compatible with the motor and the fittings All electrical installation must be carried out by a qualified electrician and in accordance with current regulations and within the framework of the Electricity of Work Regulation 1989 Ensure all electrical connections plugs sockets etc are secure before switching the supply on If user is supplyi...

Page 10: ...t must always be horizontal There are three basis modes of misalignment these are angular parallel and axial shown in fig 3 Flexible Coupling 1 Remove any dirt oil etc from all mating surfaces Place bush in hub and match half holes on both shafts 2 Place setscrews loosely in threaded holes Mount assembly in desired position on shafts 3 Tighten setscrews Place disc flexible coupling in position and...

Page 11: ... 5 New drive belts should be tensioned as per the new drive tension column in the table run the drive under load for 30 minutes Stop the drive check the tension and reset to the normal tension in the table Belt tension and condition should be checked daily in the first week after installation renewal and regularly thereafter On packaged units where Utile supply the motor and machine the recommende...

Page 12: ...the national standard for the country of installation Vibration All boosters have impellers which have been dynamically balanced and the completed booster is test run at the working speed with its vibration level recorded Utile run its boosters at all the available speeds and the boosters do not induce resonance The table below from BS ISO 14694 2003 A1 2011 shows the vibration limits for a catego...

Page 13: ...maximum indicated on the machine nameplate Protective Devices Ensure all protective devices are certified and suitable for the zone in which they are being installed in All pressure temperature and level switches transmitters must be wired failsafe Below is list of recommended protective devices Inlet Filter After the first 50 running hours remove the cone shaped mesh strainer from the inlet clean...

Page 14: ...ys be started under load conditions iii Start the drive motor and bring the machine up to operating speed iv When full speed is reached slowly close the manual start up bypass valve v Check all protective devices and controls making sure they are working correctly vi Check the machine vibration is within the limits vii Check that the motor running current is within the full load current indicated ...

Page 15: ...s are correct secure and in place Dispose of any used oil and cleaning solutions as prescribed by law Shaft Seals These fitted on the shafts or sleeves prevent leakage of process fluid from contaminating the bearings It is important to check the seals at regular intervals for any signs of leakage These must not be allowed to run dry else premature failure will occur They must be of the same type a...

Page 16: ...local motor isolator if applicable Clean inlet filters Daily for 1st week Check motors for excessive vibration and damage Check compressor booster vibration levels and bearing temperatures during running in period Check compressor booster for excessive vibration and damage Check machine for leaks Check function of pressure gauges Check compressor booster for loose bolts damage Check function of no...

Page 17: ...gh inlet temperature 6 See remedies for excessive discharge temperature 7 Reduce inlet temperature Excessive bearing temperature 1 Machine overheating 2 Insufficient lubrication 3 Drive misalignment too much tension 1 Check machine cooling system 2 Check Increase lubrication level rate 3 Realign and retension drive Abnormal noise vibration or periodic knocking 1 Worn bearing 1 Replace bearing 2 In...

Page 18: ... 1 photo E 2 2 Fit seal 18 into the volute casing from the inner side using Loctite 648 on the seal outside diameter taking care not to damage the sealing lip fit with the spring side facing the impeller Ensure that the seal is pressed in approx 2mm below the inner face of the volute casing to give clearance for the seal ring flange photo D 2 3 Insert the o ring 17 into the groove in the seal ring...

Page 19: ...r Quantity 1 Stage 2 Stage 3 Stage 4 Stage 5 Stage Ball Bearing Pulley Side H 1014 H 1014 H 1014 H 1014 H 1014 1 Ball Bearing Impeller Side H 1097 H 1097 H 1097 H 1097 H 1097 1 Ball Bearing Inlet Casing H 1080 H 1080 1 Oil Seal End Cap F 1010 F 1010 F 1010 F 1010 F 1010 1 Oil Seal Bearing Seal F 1276 F 1276 F 1276 F 1276 F 1276 1 O Ring Seal Ring F 1289 F 1289 F 1289 F 1289 F 1289 1 Gasket Interst...

Page 20: ...89 1 F 1289 1 F 1289 1 F 1289 1 F 1289 1 18 OIL SEAL F 1276 1 F 1276 1 F 1276 1 F 1276 1 F 1276 1 19 OIL SEAL F 1010 V 1 F 1010 V 1 F 1010 V 1 F 1010 V 1 F 1010 V 1 20 CIRCLIP B 1030 1 B 1030 1 B 1030 1 B 1030 1 B 1030 1 21 THRUST WASHER B 1027 1 B 1027 1 B 1027 1 B 1027 1 B 1027 1 22 LOCK NUT B 1031 1 B 1031 1 B 1031 1 B 1031 1 B 1031 1 23 BALL BEARING H 1014 1 H 1014 1 H 1014 1 H 1014 1 H 1014 1...

Page 21: ...Damages or delay or any other consequential cost associated with the alleged defect are incurred 2 Malfunction caused by fair wear and tear abnormal conditions of use accident neglect or misuse of equipment or improper storage 3 Deviation from operating specifications or other special terms of sale 4 Improper operation maintenance or repair 5 Damage resulting during shipment or installation by oth...

Page 22: ...p C Gas inlet pressure Gas outlet temp C Gas outlet pressure Gas aftercooler temp C Gas flow rate if metered INSTALLATION CHECKS O M manual read and understood No foreign objects found in machine casing or pipework A suitable filter is installed upstream of the machine Direction of rotation agrees with the machine nameplate Vibration limits are within the values given in the O M Temperature limits...

Page 23: ...ise Level dB A Rear Bearing Vibration mm sec RMS Note only get vibration readings where it is safe to do so some readings may not be possible safe to achieve Axial Horiz Vert Front Bearing Vibration mm sec RMS Note only get vibration readings where it is safe to do so some readings may not be possible safe to achieve Axial Horiz Vert Grease Level Oil drip rates Rear Bearing Temp C Front Bearing Te...

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