AirBench FN066784, Operation And Maintenance

Page 1: ...Copyright AirBench Ltd 2016 Page 1 of 19 AirBench FN Operation and Maintenance This Edition 13 November 2019 AirBench Ltd 6b Commerce Way Colchester CO2 8HR www airbench com 44 0 1206 791191 AIRBENCH LTD ...

Page 2: ...missioning 7 GENERAL 7 IN HOUSE COMMISSIONING 7 FUME EXTRACTION UNITS 7 Operation 8 PRIOR TO USE 8 GENERAL USE 8 Maintenance 9 FILTER CARE 9 SPARES 12 OTHER ROUTINE MAINTENANCE 14 Accessories 15 FILTER PRESSURE GAUGES 15 HOURS RUN METER 15 WHEELS 15 COMPRESSED AIR INTERLINK 15 Thorough Examination and Testing 16 Technical 17 ARRANGEMENT 17 TECHNICAL DATA 17 Declaration of Conformity 18 AIRBENCH LT...

Page 3: ...aintained cleaned replaced as described within Do not mix incompatible materials e g steel and aluminium It is the users responsibility to comply with this legal requirement This unit is not ATEX rated It is your responsibility under ATEX regulations to ensure the AirBench is located in an area rated suitable for the specification of the AirBench If this unit is configured for light sparks ensure ...

Page 4: ...ide filter specific maintenance information About AirBench AirBench is a self contained down draught extraction bench which utilises a fan and filter combination selected for your specific application to extract and filter dust fumes and return filtered air to the work place Some models vary in filtration and filtered air delivery point It is used by running the fan at either fixed speed or variab...

Page 5: ...supplied with 110V 1Ph 50Hz internal fans if specified in advance this is noted on the front left of each unit where applicable BS7671 requires that the lead is appropriate for the working environment and you must satisfy yourself that the pre fitted lead is satisfactory EARTH BONDING A stud is provided for use where appropriate e g in cases where equipotential bonding is required or where an exte...

Page 6: ... the skirt to be fitted A pack of fixing bolts is supplied with the skirt threaded inserts are fitted to the base of the bench to allow attachment of the deflector To fit position the deflector skirt and use the bolts to fix to the base of the bench Where a front deflector is supplied ensure air is allowed to exhaust from sides or rear to avoid motor overload ENCLOSURE Enclosures are supplied full...

Page 7: ... will vary in maintenance needs and this is best established by empirical means regularly checking filter condition in the first weeks of operation to establish a procedure Reduced airflow is a key indication of filter condition If the filter pressure gauge on the front of the unit is showing in the red zone this indicates low airflow and filters should be checked and cleaned or changed promptly a...

Page 8: ... should be noted in the system logbook Check the filter pressure gauge on the front of the bench If the needle on the gauge is showing within the RED zone check the filter condition they may require cleaning or replacement Your AirBench has a zone above the surface in which capture is most effective extending between 50cm and 1m in a straight line upwards from the ventilated area This zone forms a...

Page 9: ...ies these should be recorded in the accompanying log sheet Take precautions and wear appropriate PPE when handing filters They may contain hazardous dusts i If using a vacuum cleaner to empty filters excessive cleaning will reduce filter life Remove excess dust only FILTER ACCESS Filters are accessed by turning the quarter turn latches on the front cover to loosen and opening the hinged panel The ...

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Page 11: ...rds side or damaged MINIPLEAT FILTERS Mini pleat filters have fine paper pleats often around 5mm between pleats in a metal case This filter is not cleanable Replace the filter when it is stained on the clean downwards side or damaged DISPOSABLE CARBON FILTERS Disposable carbon filters have solid black activated carbon filter media in a metal case arranged as either a flat panel or a V section Carb...

Page 12: ...ged DISPOSABLE MEDIA PADS Media pads are green and white fibreglass pads held in a metal frame These filters are not cleanable When replacing the frame and clip which hold the pad can be reused Always replace with white side downwards Replace on a monthly basis or more regularly if required Do not clean filters using compressed air This will damage media and spread dust Spares See the specific lis...

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Page 14: ...ance tasks suggests additional issues contact the manufacturer for advice FILTER SEALS These sit beneath the filters and prevent dust passing into the body of the bench and the exhaust airstream It is important the seals are in good order Check the condition of the filter seals every time filters are changed or removed SURFACE At least monthly or as routine check the surface condition Clear any bl...

Page 15: ...le and operates at all times when the speed control or switch is powered Wheels Standard industrial rubber wheeled swivel castors are used The two front wheels are lockable Lock by pressing on the lever and trip by flicking models and operation vary slightly Do not attempt to move while brakes are on Compressed Air Interlink This option ensures the safety of operators by preventing the use of air ...

Page 16: ...ribed maintenance routines are being completed and recorded within the system logbook Condition check of fan filters electrics Performance testing according to recommended face velocities Visual check that operators are working within effective area Visual check of effectiveness using for example smoke tubes Recommended face velocities are as follows Fume control Minimum 0 5m s Light dust control ...

Page 17: ...ment Technical Data Model Width Depth Height Weight Fan Power Max Current mm mm mm kg kw a FN066784 674 675 840 70 0 13 1 5 FN126784 1274 675 840 95 0 37 2 8 FN186784 1874 675 840 140 0 59 4 9 FN129784 1274 975 840 125 0 59 4 9 FN189784 1874 975 840 160 1 2 9 8 ...

Page 18: ...ONFORMITY BY AIRBENCH LIMITED RELEVANT DIRECTIVES EMC Directive 2004 108 EC when connected to standard mains sinusoidal supply Machinery Directive 2006 42 EC Low voltage Directive 2006 95 EC EN 60204 1 2006 Safety of machinery electrical equipment of machines general requirements EN 60335 2 80 Safety requirements for electric fans and regulators We AIRBENCH Limited declare that AirBenches when sup...

Page 19: ... Copyright AirBench Ltd 2016 Page 19 of 19 Simon Cook ...