chapter 6 maintaining your clean bench
Contents
1. 43MO 18 1H9lH 1651799 211243 m D 038 88 una iu 183253800134 68 APPENDIX D PURIFIER HORIZONTAL CLEAN BENCH ACCESSORIES Adjustable Height Base Stands Epoxy coated steel adjust in 1 inch increments to provide a working height from 28 5 to 36 5 inches 29 25 inches deep x 27 5 to 34 5 inches high Catalog For use with Shipping Weight 3746701 3 foot Purifier Clean Bench 73 lbs 33 kg 3746702 4 foot Purifier Clean Bench 82 lbs 37 kg 3746704 6 foot Purifier Clean Bench 100 lbs 45 kg Service Fixture Kit 3773700 Includes serrated hose tip valve with quarter turn handle hardware and instructions for plumbing to services mounts on right side interior All cabinets are factory prepared to accept up to 2 fixtures Shipping weight 4 lbs 2 kg 69 Appendix D Purifier Horizontal Clean Bench Accessories IV Bar Kits Bar supports intravenous solution bottles and bags Kits include IV bar mounting hardware and four hangers Catalog For use with Shipping Weight 3697500 3 amp 4 foot Purifier Clean Bench 3 Ibs 1 4 kg 3697500 6 foot Purifier Clean Bench 2 Required 6 Ibs 2 8 kg Ergonomic Chair with Armrests 3744000 Chair has 6 way articulating seat and back control for personalized adjustment Pneumatic mechanism adjusts seat height from 18 25 to 25 75 Five leg blac2. light NEVER work in or near clean bench when the UV light is on 1 To turn on the UV light push the light switch to the UV position as shown in Figure 5 4 31 Chapter 5 Using Your Clean Bench The UV light is interlocked to only operate when the blower is off NEVER attempt to bypass this interlock Figure 5 1 Reading the Pressure Gauge The pressure gauge on the front of the unit displays the total system operating pressure the negative pressure below the prefilters plus the positive pressure on the HEPA filter The pressure gauge reading should be periodically recorded during use An increase in pressure indicates either prefilter or HEPA filter loading Use of the Clean Bench Planning e Thoroughly understand procedures and equipment before beginning work e Arrange for minimal disruptions such as room traffic or entry into the room while the clean bench is in use Start Up e Turn on fluorescent light and clean bench blower Check the prefilter for obstructions and note the gauge reading 32 Product Service 1 800 522 765 Chapter 5 Using Your Clean Bench Wipe down the interior surfaces of the clean bench with a mild household detergent DO NOT use abrasive cleaners bleach or solvents as they may damage the work surface of the clean bench Allow the clean bench to operate undisturbed for 5 to 15 minutes before loading materials Wear long sleeved lab coat with
3. User s Manual Purifier Horizontal Clean Benches Models 36000 Series 36100 Series 36125 Series Labconco s Mascot Labby the LABster Protecting your laboratory environment 7 LABCONCO For more information please contact us E mail sales expotechusa com Website www ExpotechUSA com FlaskScrubber and SteamScrubber are registered trademarks of Labconco Corporation Warranty Labconco provides a warranty on all parts and factory workmanship The warranty includes areas of defective material and workmanship provided such defect results from normal and proper use of the equipment The warranty for all Labconco products will expire one year from date of installation or two years from date of shipment from Labconco whichever is sooner except the following Purifier amp Delta Series Biological Safety Cabinets carry a three year warranty from date of installation or four years from date of shipment from Labconco whichever is sooner SteamScrubber and FlaskScrubber Glassware Washers carry a two year warranty from date of installation or three years from date of shipment from Labconco whichever is sooner Carts carry a lifetime warranty Glassware is not warranted from breakage when dropped or mishandled This limited warranty covers parts and labor but not transportation and insurance charges In the event ofa warranty claim contact Labconco Corporation or the dealer who sold you the product I
4. Working Style e Are you training your fingers to relax when they become tense Do you use your whole arm to reach for objects not located near your fingers Is your work positioned directly in front of you e Are your wrists straight and your shoulders relaxed Chapter 5 Using Your Clean Bench General Prevention you take breaks and walk around briefly preferably once per hour Do you exercise regularly Periodically do you take inventory of the stress in your life and change what is within your control to change Your Next Step After you understand how to operate and work in the clean bench you are ready to proceed to Chapter 6 Maintaining Your Clean Bench Chapter 5 Using Your Clean Bench 42 CHAPTER 6 MAINTAINING YouR CLEAN BENCH Now that you have an understanding of how to work in the clean bench we will review the suggested maintenance schedule and the common service operations necessary to maintain your clean bench for peak performance Many of the service operations should be performed only by trained and experienced certification technicians DO NOT attempt to perform these operations if you are not properly trained The service operations that require qualified certifiers are preceded by the wrench icon Routine Maintenance Schedule Under normal operation your Purifier Horizontal Clean Bench will require little routine maintenance The following schedule
5. The Velocity Profile must be 20 of the average of all the test points This is shown graphically in Figure 4 2 25 Chapter 4 Theory Of Operation And Safety Precautions Figure 4 2 Motor Blower The motor blower assembly pulls air through the prefilters on the top of the bench and flows through the HEPA filter which then flows horizontally through the work area Speed Control The speed control should only be adjusted by a qualified certifier The speed control is an electronic circuit that allows the certifier to set the motor speed by adjusting its voltage Never block or obstruct the air intake on the top of the clean bench 26 Chapter 4 Theory Of Operation And Safety Precautions Safety Precautions Because air from the work area is dispersed directly into the laboratory the Purifier Clean Bench should never be used in conjunction with biohazardous material toxins or radionuclides The operator and qualified safety officer s must carefully assess the risk associated with any operation performed in a Clean Bench The Purifier Clean Bench should be certified by a qualified certification technician before its initial use The clean bench should be recertified whenever it is relocated serviced or at least annually thereafter Some components of the Purifier Clean Bench should only be serviced by a qualified certification technician Ensure that the unit is connected to electr
6. and 4 foot not shown 5A 1 1231900 Lamp UV 6 foot not shown 6 1 3704400 Speed Control 115V 6A 1 3704401 Speed Control 230V 7 2 3768900 Prefilter 3 foot 2 3768901 Prefilter 4 foot 7B 3 3768901 Prefilter 6 foot 59 Appendix A Purifier Horizontal Clean Bench Components A 1 60 APPENDIX B DIMENSIONS B 1 38 25 50 25 74 25 T ar 4 73 61 Appendix B Clean Bench Dimensions 62 APPENDIX C CLEAN BENCH SPECIFICATIONS Electrical Data Bench Model Electrical Requirements 3600000 to 3600009 115 VAC 60 Hz Phase 12 Amps 3612500 to 3612509 115 VAC 60 Hz 1 Phase 12 Amps 3610000 to 3610009 115 VAC 60 Hz 1 Phase 16 Amps Bench Model Electrical Requirements 3600020 to 3600029 230 VAC 50 60 Hz 1 Phase 7 Amps 3612520 to 3612529 230 VAC 50 60 Hz 1 Phase 7 Amps 3610020 to 3610029 230 VAC 50 60 Hz 1 Phase 8 Amps Motor Specifications Bench Model Electrical Requirements 3600000 to 3600009 115 VAC 60 Hz 3 8 Full Load Amps 3610000 to 3610009 1 3 H P 1625 RPM Automatic Thermal Protection Bench Model Electrical Requirements 3612510 to 3612519 115 50 60 Hz 6 0 Full Load Amps 1 2 H P 1625 RPM Automatic Thermal Protection Bench Model Electrical Requirements 3600020 to 3600029 230 VAC 50 60 Hz 1 9 Full Load Amps 3612520 to 361252
7. s to which conformity is declared ENS5014 ENS5104 Manufacturer s Name Labeonco Corporation Manufacturer s Address ERLI Prospect Avenue Kansas City 64132 USA Importer s Name See Shipping Customs Documents Importer s Address See Shipping Customs Documents for your equipment Type of Equipment Laboratory Equipment Clean Bench Model Clean Bench Laboratory Work Enclosure 3600020 3600024 or 3612520 3612524 3610020 3610024 Wo Various See Individual Declaration Year of Manufacture 200 and Subsequent the undersigned hereby declare that the equipment specified above conforms to the above Directives and Standards Sec individual Declaration ef Conformity which will be signed by the importer for your country Signature Full Name Position individual version of this declaration is included with your shipping customs documentation Labeomeo P N 36960 07 Rev B296 77 For more information please contact us E mail sales expotechusa com Website www ExpotechUSA com
8. Bench 230 VAC 3610024 6 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 230 VAC Plus the Following Part Component Description 3773600 User s Manual 1337100 Power Cord 3 amp 4 foot 115V Or 1334100 Power Cord 3 amp 4 foot 230V Or 1336400 Power Cord 6 foot 115V Or 1388300 Power Cord 6 foot 230V If you did not receive one or more of the components listed for your clean bench or if any of the components are damaged contact the Labconco Product Service Department immediately for further instructions 13 Chapter 3 Getting Started 14 Removing the Shipping Skid LEAVE THE CLEAN BENCH ATTACHED TO ITS SHIPPING SKID UNTIL IT IS AS CLOSE TO ITS FINAL LOCATION AS POSSIBLE MOVE THE UNIT BY USING A SUITABLE FLOOR JACK OR BY PLACING A FURNITURE DOLLY UNDERNEATH THE SKID DO NOT MOVE THE BENCH BY TILTING IT ONTO A HAND TRUCK After you verify the clean bench components move your clean bench to the location where you want to install it Then follow the steps listed below to remove the shipping skid from your unit To remove the shipping skid Remove the plastic wrapping and corner posts Remove the packaging material from the top of the bench 2 Remove and discard the four bolts that secure the unit to the skid as shown in Figure 3 1 Figure 3 1 Remove and discard these 4 bolts 2 Bach side Installing the Purifier Clean Bench On An Existing Wor
9. an accessory Vibration Isolation Table part number 36180 for supporting vibration sensitive apparatus within the clean bench Your Next Step After you understand the maintenance procedures you are ready to proceed to Chapter 8 Troubleshooting 55 Chapter 7 Modifying Your Clean Bench 56 CHAPTER 8 TROUBLESHOOTING Refer to the following table if your Purifier Clean Bench fails to operate properly If the suggested corrective actions do not solve your problem contact Labconco Product Service for additional assistance PROBLEM Blower and lights won t turn on Lights work but motor won t run Pressure gauge reading increases more than 0 1 in Contamination of work in the clean bench CAUSE Unit not plugged into outlet Circuit breakers tripped Speed control out of adjustment Defective speed control Defective motor Blockage of the prefilter or diffuser HEPA filter loading Improper technique or procedure for the clean bench CORRECTIVE ACTION Plug the clean bench into appropriate electrical service Reset circuit breakers Have speed control adjusted by a qualified certifier Replace speed control Replace motor Ensure that both the prefilter and diffuser are clear The gauge reading will increase when the HEPA filter is plugged See Use of the Clean Bench section of this manual 57 Chapter 8 Troubleshooting PROBLEM Contamin
10. posts and attach with 2 25 long bolt flatwasher lockwasher and nut Ensure that the same height hole is selected for each leg Tighten the leg bolts securely See Figure 3 2 17 Chapter 3 Getting Started 18 Figure 3 2 RR Remove these four nuts and bolts to change the y height of the base stand Move the base stand into its final location Using a carpenter s level adjust each leveling foot until the stand is level in both planes as shown in Figure 3 3 You are now ready to lift the clean bench onto its stand Figure 3 3 Insert the 25 x 25 inch bolts and washers fram the underside Of the base stand and thread them into ihe holes in the underside of the Clean Bench work surface 2 bolts each side Level the hise sand fl These Thies a Turn the leveling AN 4 feet to devel the hase fa stand the floor a ue hm The clean bench is very top heavy Use caution when lifting or moving it 4 6 7 Carefully lift clean bench onto top rails of the base stand and slide it into position The rear of the bench should be flush with the rear of the base stand and the sides of the clean bench will overhand the side rails of the base stand approximately 0 25 inches on both sides Insert the 2 5 inch x 0 25 inch moun
11. psychological health is being affected take time to evaluate what changes you can make to reduce or eliminate the sources of stress BREATHE FRESH AIR DEEPLY AND p REGULARLY THE INTENSE MENTAL CONCENTRATION THAT MAY ACCOMPANY WORK INA CLEAN BENCH MAY TEND TO CAUSE UNEVEN OR SHALLOW BREATHING 39 Chapter 5 Using Your Clean Bench Self Check To increase your comfort and reduce potential safety risks use this checklist to help you evaluate your work posture and habits Seated Position e Have you found a range of seated postures that are most comfortable for you e Are you changing postures within your comfort zone throughout the day especially in the afternoon e Are your feet firmly planted Are the undersides of your thighs near your knees free of pressure e Are the backs of your lower legs free of pressure Is there sufficient space under your cabinet for your knees and legs 5 your lower back supported Shoulders Arms Wrists and Hands e Are your shoulders relaxed e Are your hands wrists and forearms aligned in a straight natural position e Are your elbows in a relaxed position near your body e Are items you use frequently easy to reach Do you rest your eyes frequently by focusing on a distant point Do you blink enough Do you get your eyes examined regularly by a vision care specialist e Ifyou wear bifocals or trifocals do you avoid tilting your head back to see your work
12. t assume the settings are properly set for you Forearms Wrists and Hands Keep your forearms wrists and hands aligned in a straight natural position Avoid bending or angling your wrists while working Don t Anchor Your Wrists When working do not anchor or rest your wrists on the work surface Resting your palms while working may be harmful because it can cause you to bend your wrists back and can apply pressure to the undersides of your wrists MAINTAIN A STRAIGHT NATURAL L WRIST POSITION WHILE WORKING Chapter 5 Using Your Clean Bench Don t rest your palms on the work surface while working Shoulders and Elbows Adjust your chair height or clean bench height so that your shoulders are relaxed and your elbows hang comfortably at your sides Relax Remember to relax particularly in areas where muscle tension often builds such as your shoulders Eyes Working at your clean bench for long periods can be a visually demanding task and may cause your eyes to become irritated and fatigued Therefore you should give special attention to vision care including the following recommendations Eye comfort While working in your clean bench and also while resting your eyes remember to blink This helps keep your eyes naturally protected and lubricated and helps prevent dryness a common source of discomfort Rest Your Eyes Give your eyes frequent breaks Periodically look away from the work area a
13. 33 5 inches giving a work surface height of 26 75 to 34 75 inches The height is adjusted either by a manual hand crank or electric pump that drives hydraulic rams in the legs of the stands of the hydraulic stands are equipped with fixed feet but can be converted to caster wheels with the addition of caster wheel kit 3784000 The Base Stands for each Clean Bench model is listed in Table 3 2 below Chapter 3 Getting Started Table 3 2 Clean Manual Electric Electric Width Bench Lift Stand 115V Lift 230V Lift Model Stand Stand 3 36000 3780400 3780300 3780303 4 36125 3780401 3780301 3780304 6 36100 3780402 3780302 3780305 When installing hydraulic lift base stands ensure that the hydraulic lines and the electrical cord are clear of any obstructions BEFORE installing the Clean Bench on the stand or operating the lift system For further information regarding Telescoping Base Stands or other accessories please contact Labconco s Customer Service Department at 1 800 821 5525 or 816 333 8811 weekdays between the hours of 7 00 a m and 6 00 p m CST 1 Before positioning the Telescoping Base Stand in its final location decide the final height of the stand The height of the work surface can be raised in one inch increments from 28 75 to 34 75 inches Select the height of the Telescoping Base Stand and slide four 4 leg extensions into base stand corner
14. 3M018 1 8 65 Appendix C Clean Bench Specifications HNA ONIJIAH3S OI 3298 05 123 02510 JNINSVM V A0 7 35 330 NO Y3M018 SIHON N d 15 1N325330014 43193 INN 8 dAVT 1 A38 0062416 N d ZH 09 05 072 9 WVYOVIC DNISIM 1 STYLE N d 1597798 130lA vul N d 1041899 03395 SNISnOH 334018 Uyoltovdvo 66 C 3 IJIN 328005 81404 123NNOOSIQ N d 1591798 mg 22 034 2 A38 O00t 2 N d ZH 09 ASlL 9 H2N38 NYJ Wva4ovid DNIMIA 9 1 N d 1041400 93345 3 019 1331 SNISTIOH AHO 161795 3 i Torn 133001 val 1144 67 IONS Clean Bench Specificati Appendix C 4 LIND 9NIDIAH3S OI 3959105 YAMOd LO3NNOOSIG JNINSVM 131110 1431 131100 LHOW 35 8 Y3MOd 330 NO 834018 NO 330 NO S1HOIT LZLLE SS3NUVH BOrLE N d 1SvTIV8 IN39S3UONI4 AN IHM 038 DU 8 V 0015 6 N d ZH 06 062 9 HON38 NYJ DNISIM OONOO8V 10 70 N d TOMINOO 03345 038 4 q3u 8vo INISNOH 33M018 4331
15. 9 1 3 H P 1625 RPM Automatic Thermal 3610020 to 3610029 Protection 63 Appendix C Clean Bench Specifications Environmental Conditions Indoor use only Maximum altitude 6562 feet 2000 meters Ambient temperature range 41 to 104 F 5 to 40 C Maximum relative humidity 8090 for temperatures up to 88 F 31 C decreasing linearly to 50 relative humidity at 104 F 40 Main supply voltage fluctuations not to exceed 10 of the nominal voltage Transient overvoltages according to Installation Categories II Overvoltage Categories per IEC 1010 Temporary voltage spikes on the AC input line that may be as high as 1500V for 115V models and 2500V for 230V models are allowed Used in an environment of Pollution degrees 2 1 where normally only non conductive atmospheres are present Occasionally however a temporary conductivity caused by condensation must be expected in accordance with IEC 664 Appendix C Clean Bench Specifications C 1 GAELI ONIJIAYIS OL YOWd 39unos Y3MOd 123NNOOSIO vs ASH 3sv8 STLLE 4 SSINYYH 334018 AMO avg S1H511 N d 15 11 8 1N32S33001j 0082 6 N d 09 AGI Wf HONIG NY312 1 N d 1597198 81079 1 9 13101 VALIN 134 2 00 N d 1081 02 03345 NYB SNISnOH 3
16. Diffuser Removal 1 Locate and remove the diffuser screws shown in Figure 6 3 Pull the diffuser straight out 48 Chapter 6 Maintaining Your Clean Bench Figure 6 3 Diffuser Retaining Screws Loosen and remove these screw lo the diffuser HEPA Filter Replacement The HEPA filter should only be serviced by a qualified certification technician Following replacement of the HEPA filter a qualified certification technician MUST recertify the clean bench 1 Unplug the clean bench 2 Remove the diffuser as described above 3 Loosen and remove the filter clamps THE TOP AND BOTTOM FILTER RS CLAMPS ARE DIFFERENT ASSEMBLIES THE BOTTOM CLAMP ASSEMBLIES ARE DARK IN COLOR WHILE THE UPPER CLAMPS ARE LIGHTER 4 Gently pull out the Secondary HEPA filter gasket on the top and both sides of the HEPA filter as shown in Figure 6 4 Save the gasket for 49 Chapter 6 Maintaining Your Clean Bench 50 reinstallation Remove the stainless steel clamp angle placed between the clamps and the frame of the HEPA filter Figure 6 4 Filner HEPA Filler paski HEPA Filter Clamp HEPA Filter Filter Clamping Bal this bole belure remuving thay clang HEPA Fitter Clamp Retaining Bolts apas bolt remove the damp Clamp Angli place into position before lightening the Alter elarp bolt 10 11 Remove
17. GISTER BLOCKED WHEN FACING PURIFIER 5 ALTERNAT CLEAN LCKCATKOIM CLEAN CASEWORK Chapter 2 Prerequisites Electrical Requirements The different Purifier Clean Bench models have the following electrical requirements Table 2 1 Model Requirements 3600000 through 3600009 115 60 Hz 12 Amps 3600020 through 3600029 230 VAC 50 Hz 7 Amps 3612500 through 3612509 115 VAC 60 Hz 12 Amps 3612520 through 3612529 230 VAC 50 Hz 7 Amps 3610000 through 3610009 115 60 Hz 16 Amps 3610020 through 3610029 230 VAC 50 Hz 8 Amps Purifier Clean Benches with model numbers ending in 00 through 09 are designed for operation at 115 volts 60 Hz alternating current Clean Benches with model numbers ending in 20 through 29 are designed for operation at 230 20 volts 50 Hz alternating current A dedicated outlet with a circuit breaker rated at 20 amps should be located as close as possible to the right rear side of the bench at a height even with or higher than the bottom of the bench in its final location If your electrical outlet is distant from this location contact Labconco s Product Service Department for information on longer cords Service Line Requirements service lines to the Clean Bench should be quarter inch outside diameter metal and equipped with an easily accessible shut o
18. H DEPENDS LARGELY UPON THE CLEAN BENCH S LOCATION AND THE OPERATOR S WORK HABITS CONSULT THE nstallation AND Normal Operation SECTIONS OF THIS MANUAL FOR FURTHER DETAILS Chapter 4 Theory Of Operation And Safety Precautions CLEAN THE INTERIOR SURFACES OF THE CLEAN BENCH WITH MILD HOUSEHOLD DETERGENT DO NOT USE ABRASIVE CLEANERS BLEACH OR SOLVENTS AS THEY MAY DAMAGE THE WORK SURFACE Avoid direct exposure to ultraviolet radiation NEVER work in or near the clean bench when the UV light is on WHEN SURFACE DISINFECTING THE PURIFIER La AVOID SPLASHING THE DISINFECTING SOLUTION ON SKIN OR CLOTHING ENSURE ADEQUATE VENTILATION CAREFULLY FOLLOW THE MANUFACTURER S SAFETY INSTRUCTIONS WHEN HANDLING DISINFECTANTS AND ALWAYS DISPOSE OF DISINFECTING SOLUTIONS IN ACCORDANCE WITH LOCAL AND NATIONAL LAWS Your Next Step After you understand the theory of operation and safety precautions you are ready to proceed to Chapter 5 Using Your Clean Bench Chapter 4 Theory Of Operation And Safety Precautions 30 CHAPTER 5 UsiNc Your CLEAN BENCH Starting the Clean Bench To start the Clean Bench push the blower switch to the ON position as shown in Figure 5 1 Operating the Fluorescent Light To turn on the fluorescent light push the light switch to the ON position as shown in Figure 5 1 Operating the Optional UV Light Avoid direct exposure to ultraviolet
19. a ft 7 5 10 15 Exhaust Volume Range 600 750 800 1 000 1 200 1 500 Number of Laskin Nozzles needed 1 2 2 APPROXIMATE SETTINGS FOR NEW FILTERS Mag Gauge Reading 0 7 1 0 0 7 1 0 0 7 1 0 Motor HP 1 3 1 2 2 1 3 Speed Winding used High High High Motor Capacitator 15 15 15 Fluorescent Light s F25T8 TL741 F32T8 TL741 F72T12CW UV Light s Option G30T8 G30T8 G64T5L CB 73 Appendix E Quick Chart for Purifier Horizontal Clean Benches 74 APPENDIX REFERENCES Many excellent reference texts and booklets are available The following is a brief listing Bryan D and R C Marback 1984 Laminar airflow equipment certification What the pharmacist needs to know American Journal of Hospital Pharmacy 41 1343 1348 Personnel amp Product Protection A Guide to Biosafety Enclosures An Industry Service Publication Labconco Corporation 1998 Kansas City MO General Services Administration 1988 FED STD 209E Federal Standard Clean Room and Work Station Requirements Controlled Environment Washington D C IES Recommended Practice IES RP CC 002 2 Undirectional Flow Clean Air Devices Mt Prospect IL Institute for Environmental Sciences and Technology 2000 Websites of Interest www absa org www cdc gov www labconco com www iest org 75 Appendix References 76 DECLARATION OF CONFORMITY Application Council Directive sk T3 22 EEC B0 336 EEC Standard
20. anization of the manual and defines the typographical conventions used in the manual Chapter 2 Prerequisites explains what you need to do to prepare your site before you install your clean bench Electrical and service requirements are discussed Chapter 3 Getting Started contains the information you need to properly unpack inspect install and certify your clean bench Chapter 4 Theory Of Operation And Safety Precautions explains how the clean bench operates and the appropriate precautions you should take when using the bench Chapter 5 Using Your Clean Bench discusses the basic operation of your bench Information on how to prepare use and shut down your clean bench 15 included Chapter 6 Maintaining Your Clean Bench explains how to perform routine maintenance on your clean bench Information on how to safely disinfect the interior of your bench and replace the lamps 15 included Chapter 7 Modifying Your Clean Bench describes how to install the optional equipment on the bench Chapter 8 Troubleshooting contains a table of problems you may encounter while using your clean bench including the probable causes of the problems and suggested corrective actions Appendix Clean Bench Components contains labeled diagrams of all of the components of the clean benches Appendix B Clean Bench Dimensions contains comprehensive diagrams showing all of the dimensions for the 3 4 and 6 foot models of the clean bench Ap
21. ation of work in the clean bench cont Excessive vibration CAUSE External factors are disrupting the clean bench airflow patterns or acting as a source of contamination Clean bench is out of adjustment HEPA filter s are defective Motor blower out of adjustment Application requires equipment isolation CORRECTIVE ACTION See Installation section of this manual Have clean bench recertified Accessory vibration table See page 53 APPENDIX PURIFIER HORIZONTAL CLEAN BENCH COMPONENTS Illustration A 1 indicates the location of the following service parts Purifier Horizontal Clean Bench Replacement Parts Item Quantity Part No Description 1 1 1489000 HEPA Filter 3 foot 1 1489002 HEPA Filter 4 foot 1B 1 1489001 HEPA Filter 6 foot 2 1 3765800 Motor Blower Assembly 115 VAC 3 foot 2A 1 3765801 Motor Blower Assembly 115 VAC 4 foot 2B 2 3765800 Motor Blower Assembly 115 VAC 6 foot 2C 1 3765900 Motor Blower Assembly 230 VAC 3 foot 2D 1 3765901 Motor Blower Assembly 230 VAC 4 foot 2E 2 3765900 Motor Blower Assembly 230 VAC 6 foot 3 1 or 2 1211200 Motor 115 VAC 3 and 6 foot 3A 1 1210501 Motor 115 VAC 4 foot 3D 10 2 1210502 Motor 230 3 4 and 6 foot 4 1 9721901 Lamp Fluorescent 3 foot 4A 1 9721900 Lamp Fluorescent 4 foot 4B 1 1278400 Lamp Fluorescent 6 foot 5 1 1271300 Lamp UV 3
22. ce connect the service lines arrange certification of your Purifier Horizontal Clean Bench Depending upon which model you are installing you may need common plumbing and electrical installation tools in addition to two 1 2 wrenches a 7 16 wrench a flat blade screwdriver a Phillips screwdriver and a carpenter level to complete the instructions in the chapter The Purifier Clean Bench models weigh between 300 500 Ibs 182 318 BH kg The carton allows for lifting with a mechanical lift truck or floor jack If you must lift the bench manually use at least six 6 persons and follow safe lifting guidelines 11 Chapter 3 Getting Started The United States Interstate Commerce Commission rules require that claims be filed with the delivery carrier within fifteen 15 days of delivery 12 Unpacking Your Clean Bench Carefully unpack your Purifier Clean Bench and inspect it for damage that may have occurred in transit If your unit is damaged notify the delivery carrier immediately and retain the entire shipment intact for inspection by the carrier DO NOT RETURN GOODS 5 WITHOUT THE PRIOR AUTHORIZATION OF YOUR DEALER AND LABCONCO UNAUTHORIZED RETURNS WILL NOT BE ACCEPTED IF YOUR BENCH WAS DAMAGED IN TRANSIT YOU MUST FILE A CLAIM DIRECTLY WITH THE FREIGHT CARRIER LABCONCO CORPORATION AND ITS DEALERS ARE NOT RESPONSIBLE FOR SHIPPING DAMAGES Do not discard the carton or packing material
23. ce with alcohol or glass cleaner Install the new lamp by reversing the above steps Remove the lamp by grasping the plastic endcap on the left end of the lamp While supporting the center of the lamp push the endcap towards the left Lift the right side of the lamp up and out of its socket and then pull the lamp straight up Make sure that the surface of the new lamp is clean and free of dirt or fingerprints by cleaning its surface with alcohol or glass cleaner Install the new lamp by reversing the above steps Changing the UV Lamp l 2 4 Unplug the Purifier Clean Bench The lamp is located on the underside of the canopy between the fluorescent lamp and the diffuser Remove the UV lamp by rotating it out of its sockets and pulling it straight down Make sure that the surface of the new lamp is clean and free of dirt or fingerprints by cleaning its surface with alcohol or glass cleaner Install the new lamp by reversing the above steps Chapter 6 Maintaining Your Clean Bench 2 The lamp is located on the underside of the canopy between the fluorescent lamp and the diffuser Remove the UV lamp by grasping the plastic endcap on the left end of the lamp While supporting the center of the lamp push the endcap towards the left 3 Allow the right side of the lamp to drop out of its socket then pull the lamp straight down 4 Make sure that the surface of the new lamp is clean and free of dirt or fing
24. conditions the Purifier Clean Bench should be recertified at least annually and when moved or serviced The certifier should perform the following tests as recommended in Institute of Environmental Sciences and Technology IEST RP CC0002 2 e Airflow Velocity Test HEPA Filter Leak Test e Introduction Leak Test Backstreaming when appropriate e Airborne Particle Count when appropriate e Lighting Intensity Test when appropriate Noise Level Test when appropriate e Vibration Test when appropriate Chapter 3 Getting Started In addition the following tests should also be performed at the user s discretion e Electrical Leakage and Ground Circuit Resistance Test Measurement of Line Voltage and Current e Smoke Test to determine airflow patterns Your Next Step After your Purifier has been installed and certified you are ready to proceed to Chapter 4 Theory Of Operation And Safety Precautions Chapter 3 Getting Started 22 CHAPTER 4 THEORY Or OPERATION SAFETY PRECAUTIONS clean benches operate using the following principles Filtration and retention of particulates by High Efficiency Particulate Air HEPA filter s Laminar airflow The major components in a clean bench are e The HEPA filter e The motor blower to force air through the unit A speed control for the motor 23 Chapter 4 Theory Of Operation And Safety Precautions HEPA F
25. e optional UV light if desired Safety and Comfort Many factors in our work environment determine whether we work efficiently and in a manner that promotes good health and safety By considering acting on and periodically reevaluating the recommendations in this section it is possible to create a safer more comfortable healthful and efficient work environment Working intensely or for a long time in uncomfortable or unnatural positions poses risks Organizing Your Adjustments The order in which you make various adjustments to your body position and work area may vary depending on the adjustability of your furniture LABCONCO OFFERS AN LI ACCESSORY ERGONOMIC CHAIR AND ADJUSTABLE FOOTREST FOR FURTHER INFORMATION SEE Appendix D Purifier Accessories PAY PARTICULAR ATTENTION TO ADJUSTING YOUR POSTURE IN THE AFTERNOON WHEN YOU MAY TEND TO GET FATIGUED WHEN YOU REPOSITION ANY ONE PART OF YOUR BODY YOU MAY NEED TO ADJUST OTHER PARTS AS WELL Chapter 5 Using Your Clean Bench B Don t sit in one fixed posture all day Feet Knees and Legs Make sure your feet can rest solidly and comfortably on the floor or footrest while sitting Use an adjustable chair that allows your feet to rest firmly on the floor or use a footrest If you use a footrest be sure it is wide enough to accommodate different leg positions within your comfort zone gt REST YOUR FEET FIRMLY ON THE FLOOR OR A FOOTREST D
26. erprints by cleaning its surface with alcohol or glass cleaner 5 Install the new lamp by reversing the above steps The service operations listed in the rest of this chapter should only be performed by a qualified certifier Speed Control Adjustment Adjusting the speed control will have an effect on the air velocities and the effectiveness of the clean bench Only a qualified certification technician as part of the recertification process should adjust the speed control Remove the prefilters as described on page 43 2 Locate the speed control It is to the left of the blower on 3 foot and 4 foot models and between the blowers on the 6 foot model 3 Using a medium sized straight blade screwdriver turn the speed control screw clockwise to decrease the blower speed as shown in Figure 6 2 Chapter 6 Maintaining Your Clean Bench Figure 6 2 Apes Adja ew 4 After completing the speed control adjustment establish the average air velocity using a calibrated thermal anemometer with an accuracy of 3 Establishing a boundary of 6 inches from the sides top and bottom measure the velocities in 6 inch increments 6 inches in front of the diffuser This methodology is more fully defined in the IEST recommended practice IEST RP CC0002 2 5 The average velocity should be 90 10 FPM with all measured values falling within 2096 of the average 6 Reinstall the prefilters
27. f the cause 15 determined to be a manufacturing fault the dealer or Labconco Corporation will repair or replace all defective parts to restore the unit to operation Under no circumstances shall Labconco Corporation be liable for indirect consequential or special damages of any kind This statement may be altered by a specific published amendment No individual has authorization to alter the provisions of this warranty policy or its amendments Lamps and filters are not covered by this warranty Damage due to corrosion or accidental breakage 15 also not covered Limitation of Liability The disposal and or emission of substances used in connection with this equipment may be governed by various federal state or local regulations All users of this equipment are required to become familiar with any regulations that apply in the user s area concerning the dumping of waste materials in or upon water land or air and to comply with such regulations Labconco Corporation 15 held harmless with respect to user s compliance with such regulations Part 3773600 Rev ECO C627 TABLE Or CONTENTS CHAPTER 1 INTRODUCTION About This Manual Typographical Conventions Your Next Step CHAPTER 2 PREREQUISITES Location Requirements Electrical Requirements Service Line Requirements Space Requirements Overhead Clearance Your Next Step CHAPTER 3 GETTING STARTED Unpacking Your Clean Bench Clean Bench Components Removing the Shipping Skid Insta
28. ff valve should disconnection be required If the service line pressure exceeds 40 PSI it must be equipped with a pressure regulator to reduce the line pressure Chapter 2 Prerequisites 10 Open flames in the cabinet will disrupt the laminar airflow in the bench If you feel that your procedure requires the use of an open flame or flammable materials contact the appropriate safety official The use of flammable gases or solvents should be avoided in the clean bench The use of air or gases under high pressure should be considered carefully as they may seriously disrupt the airflow patterns in the bench Space Requirements The dimensions for the different models are shown in Appendix B Clean Bench Dimensions Overhead Clearance In order for the clean bench to operate properly there should be at least six inches 150 mm of clearance from any overhead obstructions when the bench is in its final operating position Your Next Step After you have determined that the location you have selected accommodates the installation and operational requirements of your clean bench you are ready to begin installation Proceed to Chapter 3 Getting Started CHAPTER 3 GETTING STARTED Now that the site for your clean bench is properly prepared you are ready to unpack inspect install and certify your unit Read this chapter to learn how to unpack and move your bench set up the bench connect the electrical supply sour
29. for your clean bench until you have checked all of the components and installed and tested the unit Do not remove the clean bench from its shipping skid until it is ready to be placed into its final location Move the unit by placing a flat low dolly under the shipping skid or by using a floor jack Do not move the bench by tilting it onto a hand truck Chapter 3 Getting Started Clean Bench Components Labconco manufactures clean benches for operation on 115V or 230V Each of these benches 15 available in a 3 foot 4 foot and 6 foot model Locate the cabinet model you received in the following group of tables Verify that the components listed are present and undamaged Catalog Description 3600000 3 foot Purifier Horizontal Clean Bench 115 VAC 3600004 3 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 115 VAC 3600020 3 foot Purifier Horizontal Clean Bench 230 VAC 3600024 3 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 230 VAC 3612500 4 foot Purifier Horizontal Clean Bench 115 VAC 3612504 4 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 115 VAC 3612520 4 foot Purifier Horizontal Clean Bench 230 VAC 3612524 4 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 230 VAC 3610000 6 foot Purifier Horizontal Clean Bench 115 VAC 3610004 6 foot Purifier Horizontal Clean Bench with UV lamp amp fixture 115 VAC 3610020 6 foot Purifier Horizontal Clean
30. hat secure it on the top of the unit 4 Disconnect the motor wires from the wiring harness and disconnect the ground wire The motor blower assembly is heavy Lift and handle it with care 5 Using a 7 16 inch wrench remove the four nuts that secure the blower to its isolation mounts 6 To replace the motor reverse the above steps 7 Recertify the unit before use Storage IF THE CLEAN BENCH IS TO BE LEFT UNUSED FOR MORE THAN ONE MONTH THE UNIT SHOULD BE PREPARED FOR STORAGE Chapter 6 Maintaining Your Clean Bench 1 Unplug the clean bench 2 Cover and seal the prefilter and the work area opening with plastic sheeting The clean bench should not be stored in areas of excess humidity or temperature extremes If the clean bench is moved during storage it should be recertified before use Your Next Step After you understand the maintenance procedures you are ready to proceed to Chapter 7 Modifying Your Clean Bench CHAPTER 7 YOUR CLEAN BENCH There are several ways to modify your clean bench for your individual requirements These include the addition of service fixtures intravenous IV bar a vinyl curtain or a vibration isolation table Installing Additional Service Fixtures Additional service fixtures may be installed in any of the two available service fixture holes on the right side wall The service fixture kit is catalog number 3773700 To install the se
31. ical service in accordance with local and national electrical codes Failure to do so may create a fire or electrical hazard Do not remove or service any electrical components without first disconnecting the clean bench from electrical service Avoid the use of flammable gases or solvents in the clean bench An open flame should NOT be used in the clean bench Open flames may disrupt the airflow patterns in the Clean Bench Gases under high pressure should not be used in the Purifier Clean Bench as they may disrupt the airflow patterns 27 Chapter 4 Theory Of Operation And Safety Precautions The surface of the filter is fragile and should not be touched Care must be taken to avoid puncturing the HEPA filter during installation or normal operation If you suspect that the HEPA filter has been damaged DO NOT use the clean bench contact a local certification agency or Labconco at 800 821 5525 for recertification information THE HEPA FILTER IN THE PURIFIER CLEAN BENCH WILL GRADUALLY ACCUMULATE AIRBORNE PARTICULATE MATTER FROM THE ROOM AND FROM WORK PERFORMED IN THE CLEAN BENCH THE RATE OF ACCUMULATION WILL DEPEND UPON THE CLEANLINESS OF THE ROOM AIR THE AMOUNT OF TIME THE CLEAN BENCH IS OPERATING AND THE NATURE OF WORK BEING DONE IN THE CLEAN BENCH IN TYPICAL INSTALLATIONS AND USAGE THE HEPA FILTERS WILL LAST TWO TO FIVE YEARS BEFORE REQUIRING REPLACEMENT PROPER OPERATION OF THE CLEAN BENC
32. ilters HEPA filters are disposable dry type particulate filters The filter material or media is typically made of borosilicate microfibers that are made into a thin sheet in a process similar to the production of paper This sheet is folded or pleated to increase its surface area The pleats are held in place by aluminum diffusers or by beads of glue that add rigidity to the media pack The media pack is then set into a suitable frame and the perimeter sealed to the filter frame as shown in Figure 4 The HEPA filter media is very fragile Do not touch or contact the media surface If you think the surface of a HEPA filter is damaged DO NOT USE THE BENCH Have the HEPA filter integrity tested by a qualified certifier before using the cabinet HEPA Filters are only effective against particulate material Gases will pass through the filter Chapter 4 Theory Of Operation And Safety Precautions Figure 4 1 Filter Frame Separator Gasket Seal Adhesive Bond Continuous Between Filter Pack Sheet of and Integral Frame Flat Filter Medium HEPA Filter Laminar Airflow Laminar airflow is defined as the movement of a body of air in a single direction with a uniform velocity In practice the horizontal laminar flow of air in the bench captures any aerosol generated in the work area of the bench and directs it out of the enclosure In order to be true laminar flow a number of individual velocity test points
33. is recommended 43 Chapter 6 Maintaining Your Clean Bench Weekly Wipe down the interior surfaces of the clean bench with a mild household detergent or cleaner and allow to dry Using a damp cloth clean the exterior surfaces of the clean bench particularly the front and top of the clean bench to remove any accumulated dust Monthly or more often as required Check all service valves if so equipped for proper operation Check the prefilters and replace if necessary The prefilters should be replaced at least quarterly All weekly activities Quarterly Replace the prefilter See page 57 for ordering information All monthly activities Annually e Have the clean bench recertified by a qualified certification technician e All quarterly activities Biannually e Replace the fluorescent lamp if required Replace the UV lamp if included e All annual activities Service Operations Resetting the Circuit Breaker 1 The circuit breaker is located next to the power cord on the upper rear panel of the bench as shown in Figure 6 1 If the circuit breaker trips it can be reset by pressing the white button in Chapter 6 Maintaining Your Clean Bench Figure 6 1 Prefilter Retainers A Loosen and remove both screws cach retainer Cira Breaker Ta UO push kr reseti Changing Prefilter The prefilter should be replaced a
34. k Surface The clean bench is very top heavy Use caution when lifting or moving the unit When installing the clean bench onto an existing work surface or benchtop ensure that the structure can safely support the combined weight of the bench and any related equipment The work surface should be level and at least as wide as the unit and 34 inches deep to properly support the unit Chapter 3 Getting Started Chapter 3 Getting Started 16 Installing the Purifier Clean Bench on a Labconco Base Stand Labconco offers a variety of accessory base stands in a number of different configurations to suit your particular needs Stands can be ordered with preset telescoping legs or with a manually or electrically adjustable variable height stand Telescoping Base Stands These stands are available with either fixed feet or caster wheels The user sets the height of these stands before installation of the Clean Bench The height can be set at 27 5 to 33 5 inches in 1 inch intervals giving a work surface height of 28 75 to 34 75 inches The Base Stands for each Clean Bench model are listed in Table 3 1 below Table 3 1 Clean Base Stand Base Stand Width Bench w Feet w wheels Model Model Model 3 36000 3746701 3746711 4 36125 3746702 3746712 6 36100 3746704 3746714 Manual or Electric Hydraulic Base Stands These base stands offer infinitely adjustable height between 25 5 and
35. k reinforced composite base rests on 2 ball bearing casters Aluminum support ring Removable arm rests Black vinyl upholstery Shipping weight 35 165 15 9 kg Adjustable Footrest 3746000 Elevates feet and permits angle repositioning while in use 18 5 wx 11 5 dx 8 h Shipping weight 6 lbs 2 7 kg 70 Appendix C Clean Bench Specifications Vibration Isolation Table 3618000 Provides an isolated work surface for conducting procedures with vibration sensitive equipment such as microscopes and balances The table never makes contact with the clean bench so vibration from the motor blower is not transmitted to the table Epoxy coated steel frame adjust in 1 increments to provide a working height from 29 5 to 36 ADA compliant Four leveling feet Work surface is laminated hard board 30 4 w x 18 d Overall dimensions 32 5 w x 25 d x 29 5 to 36 high Shipping weith 110 Ibs 49 9 kg Appendix D Purifier Horizontal Clean Bench Accessories 72 APPENDIX Quick CHART For PURIFIER HORIZONTAL CLEAN BENCHES Model Series 36000 36125 36100 Width feet 3 4 6 HEPA Filter Dims in 36x 30x 6 48 x 30x 6 72x30x6 Average Velocity Reading Grid inches 12x12 12x12 12x 12 Grid Distance from Diffuser inches 6 6 6 Grid Distance from Sidewalls inches 6 6 6 Average Velocity FPM 90 10 90 10 90 10 Work Are
36. knit cuffs and over the cuff rubber gloves Use protective eyewear Loading Materials and Equipment Only load the materials required for the procedure Do not overload the clean bench Do not obstruct the air diffuser Large objects should not be placed close together After loading the clean bench wait 2 to 3 minutes to purge airborne contaminants from the work area Work Techniques Keep all materials at least 4 inches inside of the clean bench and perform all contaminated operations as far to the front of the work area as possible Segregate all clean and contaminated materials in the work area Arrange materials to minimize the movement of contaminated materials into clean areas Keep all discarded contaminated material to the front of the clean bench Avoid moving materials or the operator s hands and arms in and out of the work area during use Avoid the use of an open flame Use proper aseptic technique Avoid using techniques or procedures that disrupt the airflow patterns of the clean bench Final Purging Upon completion of work the clean bench should be allowed to operate for 2 to 3 minutes undisturbed to purge airborne contaminants from the work area 33 Chapter 5 Using Your Clean Bench Wipe Down Wipe down the interior surfaces of the clean bench with a mild household detergent or cleaner and allow to dry Shutdown e Turn off the fluorescent light and clean bench blower e Turn on th
37. le Footrest Isolation Table APPENDIX E QUICK CHART FOR THE CLEAN BENCHES APPENDIX F REFERENCES DECLARATION OF CONFORMITY 32 34 41 43 43 44 44 45 46 46 47 48 49 5 5 5 52 53 53 54 54 55 55 57 59 61 63 63 63 69 69 69 70 70 70 71 73 75 77 1 INTRODUCTION Congratulations on your purchase of a Labconco Purifier Clean Bench Your Clean Bench is designed to protect your product from particulate matter It is the result of Labconco s years of experience in manufacturing clean benches and many of its features were suggested to us by users like you The Clean Bench offers many features to enhance safety performance and ergonomics To take full advantage of them please acquaint yourself with this manual and keep it handy for future reference If you are unfamiliar with how clean benches operate please review Chapter 4 Theory of Operation and Safety Precautions before you begin working in the bench Even if you are an experienced clean bench user please review Chapter 5 Using Your Clean Bench it describes your Clean Bench s features so that you can use it efficiently Chapter 1 Introduction About This Manual This manual is designed to help you learn how to install use and maintain your clean bench Instructions for installing optional equipment on your bench are also included Chapter 1 Introduction provides a brief overview of the clean bench explains the org
38. lling the Clean Bench on an Existing Work Surface Installing the Clean Bench on a Labconco Base Stand Telescoping Base Stands Manual or Electric Hydraulic Base Stands Connecting the Clean Bench to Service Lines Initial Certification Your Next Step CHAPTER 4 THEORY OF OPERATION AND SAFETY PRECAUTIONS HEPA Filters Laminar Airflow Motor Blower Speed Control Safety Precautions Your Next Step CHAPTER 5 USING YOUR CLEAN BENCH Starting the Clean Bench Operating the Fluorescent Light Operating the UV Light Reading the Pressure Gauge 23 24 25 26 26 24 29 3T 31 31 31 32 Use of the Clean Bench Safety and Comfort Your Next Step CHAPTER 6 MAINTAINING YOUR CLEAN BENCH Routine Maintenance Schedule Service Operations Resetting the Circuit Breaker Changing the Prefilter Changing the Fluorescent Lamp Changing the UV Lamp Speed Control Adjustment Diffuser Removal HEPA Filter Replacement Motor Blower Service Motor Blower Replacement Storage Your Next Step CHAPTER 7 MODIFYING YOUR CLEAN BENCH Installing Additional Service Fixtures Installing the IV Bar Installing the Vinyl Curtain Kit Vibration Isolation Table Your Next Step CHAPTER 8 TROUBLESHOOTING APPENDIX A CLEAN BENCH COMPONENTS APPENDIX B DIMENSIONS APPENDIX C CLEAN BENCH SPECIFICATIONS Electrical Data Motor Specifications APPENDIX D CLEAN BENCH ACCESSORIES Adjustable Height Base Stands Service Fixture Kit IV Bar Kits Ergonomic Chair Adjustab
39. n t rest or anchor your wrist while moving items keep your wrist arm and shoulder free to move Aligning Forearms Wrists and Hands When working in the clean bench keep your forearms wrists and hands comfortably aligned with each other in a straight natural line Avoid bending or angling your wrists Chapter 5 Using Your Clean Bench Taking Breaks and Varying Your Tasks As noted earlier your furniture placement lab equipment and lighting are only a few of the factors that determine comfort Your work habits are also very important Remember the following Take breaks When you work at your clean bench for long periods take short breaks at least once per hour and preferably more often You may find that frequent short breaks will benefit you more than fewer longer breaks f you find that you forget to take breaks use a timer During your breaks stand up and stretch especially any muscles and joints you may have held in an extended static posture while working Vary Your Tasks Examine your work habits and the types of tasks you perform Break up the routine and try to vary your tasks during the day By doing so you may avoid sitting in one position or performing the same activities continuously for several hours using your hands arms shoulders neck or back Reduce Sources of Stress Take an inventory of things at work that are stressful to you If you perceive that your physical or
40. nd focus at a distant point This may also be a good time to stretch breathe deeply and relax Clean Your Glasses Keep your glasses eye protection clean Check Your Vision To be sure that your vision is adequately corrected have your eyes examined regularly by a vision care specialist If you wear bifocals or trifocals you may find monofocal glasses more comfortable for cabinet use GIVE YOUR EYES FREQUENT p RESTS BY FOCUSING THEM ON A DISTANT POINT Chapter 5 Using Your Clean Bench Positioning Work Materials Position work materials directly in front of you to avoid twisting your neck and torso This makes it possible to work with your shoulders relaxed and your upper arms hanging freely at your sides Minimizing Your Reach Arrange your frequently used materials to minimize the distance you reach for them Hand Manipulation Notice how you use your fingers and hands while working Avoid keeping any unnecessary tension in your thumbs and fingers Observe whether you have a heavy touch or a light touch while working Reaching for Materials To reach material that is not near your hands move your whole arm avoid stretching your fingers and angling your wrists RELAX YOUR THUMBS AND 057 FINGERS WHILE WORKING NOTICE AND RELEASE EXCESS TENSION Don t work with unnecessary tension in your thumbs and fingers Wrist Position Use your whole arm and shoulder to move objects not just your wrist Do
41. ning Your Clean Bench For information on making modifications to the configuration of your unit go to Chapter 7 Modifying Your Clean Bench Refer to Chapter 8 Troubleshooting if you are experiencing problems with your Purifier Clean Bench Chapter 1 Introduction CHAPTER 2 PREREQUISITES Before you install your clean bench you need to prepare your site for installation Carefully examine the location where you intend to install your bench You must be certain that the area is level and of solid construction In addition a dedicated source of electrical power must be located near the installation site Carefully read this chapter to learn the location requirements for your installation site the electrical power requirements for your installation site e the service line requirements for your installation site e the space requirements for your installation site Refer to Appendix C Clean Bench Specifications for complete clean bench electrical and environmental conditions specifications and requirements Chapter 2 Prerequisites Location Requirements The Purifier Clean Bench should be located away from traffic patterns doors fans ventilation registers fume hoods and any other air handling device that could disrupt its airflow patterns All windows in the room should be closed Figure 2 1 shows the optimum location for the bench Figure 2 1 VENTILATION RE
42. on t dangle your feet and compress your thighs Providing Enough Leg Room Be sure you have sufficient space under your work surface for your knees and legs Avoid concentrated pressure points along the underside of your thigh near the knee and the backside of your lower leg Stretch your legs and vary your leg posture throughout the day Leg Comfort Vary your leg positions throughout the day Avoid placing boxes or other items under the bench that limit your leg room You should be able to pull your chair all the way up to your clean bench without interference Walk Get up from your clean bench periodically and take brief walks Chapter 5 Using Your Clean Bench Back Use your chair to fully support your body Distribute your weight evenly and use the entire seat and backrest to support your body If your chair has adjustable low back support match the contours of the chair s backrest to the natural curve of your lower spine Always make sure your lower back is well supported Make sure it feels comfortable in the position in which you are working DISTRIBUTE YOUR WEIGHT EVENLY AND USE THE ENTIRE SEAT AND BACKREST TO SUPPORT YOUR BODY Don t slouch forward Adjust often If your chair is adjustable experiment with the adjustments to find numerous comfortable positions then adjust the chair frequently If you are using a chair for the first time or if you share a chair with someone else don
43. pendix C Clean Bench Specifications contains the electrical requirements for the clean bench Wiring diagrams for both the 115V and 230V units are also included Appendix D Clean Bench Accessories lists the part number and descriptions of all of the accessories available for your clean bench Appendix E Quick Chart for the Purifier Clean Benches provides useful operating specifications Appendix References lists the various resources available Typographical Conventions Recognizing the following typographical conventions will help you understand and use this manual Book chapter and section titles are shown in italic type e g Chapter 3 Getting Started Steps required to perform a task are presented in a numbered format Comments located in the margins provide suggestions reminders and references Critical biosafety information is presented in boldface type in paragraphs that are preceded by the biosafety icon Failure to comply with the information following a biosafety icon may result in illness or death Chapter 1 Introduction Chapter 1 Introduction Critical information is presented in boldface type in paragraphs that are preceded by the exclamation icon Failure to comply with the information following an exclamation icon may result in injury to the user or permanent damage to your clean bench e Critical information is presented in boldface type in paragraphs that are preceded b
44. rvice fixture 1 Determine location for the service fixture 2 Follow the instructions enclosed with the service fixture kit Do not use excessive force in attempting to remove the hole plug Damage to the side wall of the bench could occur 53 Chapter 7 Modifying Your Clean Bench Installing the IV Bar 1 Locate the screws already installed in the underside of the canopy located between the UV light and the diffuser On 3 and 4 foot units there will be four screws for the IV bar On 6 foot models there are a total of eight screws for two IV bars 2 Remove and save these screws from the canopy Placing the screws through the holes in the IV bar tighten the screws securing the IV bar in place Installing the Vinyl Curtain Kit The vinyl curtain kit allows the user to close off the work area of the clean bench when not in use 1 Before beginning identify the kit you have selected Width Catalog 3 3773800 4 3773801 6 3773802 2 Turn off the clean bench 3 Clean the front edge of the work surface and the lower edge of the front Attach the self adhesive Velcro strips to the front of the work surface and to the dress panel as shown in Figure 7 1 4 Place the vinyl curtain in position and press the Velcro strips together to secure the curtain in place Chapter 7 Modifying Your Clean Bench Figure 7 1 Vibration Isolation Table Labconco offers
45. t least quarterly or more often as conditions require See page 57 for replacement prefilter ordering information 1 Make sure the clean bench is off 2 Using a Phillips screwdriver remove the prefilter retainer s located on the front edge of the prefilters as shown on Figure 6 1 3 Remove the prefilter retainer on the rear edge of the prefilters 4 Remove the prefilters by lifting them up and out of the top of the clean bench 5 Install new prefilters by reversing the above steps 3 Remove the center prefilter by lifting the front edge straight up and forward 4 Remove the side prefilters by sliding them towards the center of the bench then lifting the front edges straight up and forward 45 Chapter 6 Maintaining Your Clean Bench 3 Install new prefilters by reversing the above steps Changing the Fluorescent Lamp 1 Unplug Purifier Clean Bench 2 Remove the prefilters as described earlier in this 8 chapter Remove the front dress panel by removing the four screws located on the top front corners of the panel and then lifting the panel up and forward Remove the lamp reflector by gently squeezing the reflector to compress it and then lift the reflector straight up Remove the lamp by rotating it out of its sockets and pulling it straight up Make sure that the surface of the new lamp is clean and free of dirt or fingerprints by cleaning its surfa
46. the filter by pulling it straight out of the Purifier Install the new filter by placing the filter back into the clean bench Make sure that the HEPA filter is centered side to side in the Purifier Reinstall the stainless steel plates on the HEPA filter frame Install the secondary HEPA filter seal ensuring that the seal is in place completely around the sides and top of the filter frame Install the HEPA filter clamps with the darker colored clamps on the bottom of the filter and the lighter colored clamps on the top Tighten the clamp bolt until the filter gasket is compressed approximately 50 or 1 8 of an inch Plug the clean bench back in Test the filter for leakage as described in IEST recommended practice IEST RP CC0002 2 Reinstall the diffuser Establish the average velocity of the filter It should be 90 10 FPM with all values falling within 2096 of the average Chapter 6 Maintaining Your Clean Bench Motor Blower Service THE MOTOR BEARINGS ARE PERMANENTLY LUBRICATED AND SEALED NO FURTHER LUBRICATION IS NEEDED Motor Blower Replacement A QUALIFIED CERTIFICATION TECHNICIAN SHOULD SERVICE THE MOTOR BLOWER FOLLOWING REPLACEMENT OF A MOTOR BLOWER A QUALIFIED CERTIFICATION TECHNICIAN MUST RECERTIFY THE CLEAN BENCH 1 Unplug the clean bench 2 Remove the prefilters as described earlier 3 Using a Phillips screwdriver remove the front dress panel by removing the four screws t
47. ting bolts through the hole in the underside of the base stand and secure it with a flatwasher and lockwasher Repeat steps 5 and 6 for the remaining bolts Tighten all four bolts securely Connecting The Clean Bench to Service Lines The service lines if any should be connected to the tube fitting s on the outside of the side wall as shown in Figure 3 4 To install the tubing follow these steps l Ensure that the tubing is 0 25 inch outside diameter soft metal and that the end has been deburred completely You will need a 0 25 inch tube fitting with a 0 25 inch NPT male thread not included to connect the tubing to the valve Make sure that the tube fitting nut on the fitting is loose but do not remove it Look inside the fitting to make sure the tube ferrule is there Push the tube into the fitting until it is properly seated The tube will go approximately 0 75 inch into the fitting Tighten the tube fitting nut hand tight and then using a 7 16 inch wrench tighten it at least three quarters turn more Close the service valve in the clean bench and then slowly open the shutoff valve on the service valve Inspect the fitting for leakage Tighten the tube nut slightly if needed Chapter 3 Getting Started 19 Chapter 3 Getting Started 20 Figure 3 4 Initial Certification Prior to use all Purifier Clean Benches should be certified by a qualified certifier Under normal operating
48. y the wrench icon These operations should only be performed by a trained certifier or contractor Failure to comply with the information following a wrench icon may result in injury to the user or permanent damage to your clean bench e Important information is presented in capitalized type in paragraphs that are preceded by the pointer icon It is imperative that the information contained in these paragraphs be thoroughly read and understood by the user e Information that is specific to a particular model of clean bench is preceded by a number icon The 3 icon indicates the text is specific to the 3 foot wide model The 4 icon indicates the text is specific to the 4 foot model The 6 icon indicates the text is specific to the 6 foot model Your Next Step If your Purifier Clean Bench needs to be installed proceed to Chapter 2 Prerequisites to ensure your installation site meets all of the requirements Then go to Chapter 3 Getting Started for instructions on how to install your clean bench and make all of the necessary connections If you would like to review how horizontal clean benches operate go to Chapter 4 Theory Of Operation And Safety Precautions For information on the operational characteristics of your clean bench go to Chapter 5 Using Your Clean Bench Chapter 1 Introduction If your clean bench is installed and you need to perform routine maintenance on the bench proceed to Chapter 6 Maintai
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