29-0047-78 AC 04-2014 10Ultrospec 8000 & 9000 units Changing Deuterium/Tungsten lamps,removal of cell holders for cleaningNanoVue Plus units Cleaning of sample plates, recalibration ofpathlengthSimpliNano units Cleaning of sample port2.6. Novaspec III/Plus Lamp Change1. Switch off the instrument, remove the sample from the cell holder and disconnectthe power supply cord2. Remove the protective layers at the lamp access and plug in points on theunderneath of the instrument3. Remove the lamp wires from the groove by gently unclipping it4. Remove the lamp by twisting the lamp assembly counter-clockwise5. Remove the lamp connection end by gently pulling with your fingers6. Replace with new lamp using the reverse of these actions7. Dispose of the faulty lamp in accordance with local regulatory practice.2.7. Ultrospec 8000/9000 Lamp Change1. Switch the instrument off, disconnect the power supply cord and allow lamps tocool.2. Locate the lamp access cover at the rear of unit and remove the two top screwsand slide top cover back and lift off. Never operate the unit with the lamphousing cover removed.3.4. Remove the lamp and dispose of in accordance with local regulatory practice.5. Follow the handling instructions supplied with the lamp. Do not touch the glassenvelopes of the replacement bulbs directly.6. Replace the lamp cover and screw securely.7. Attach power cord, switch on and wait at least 30 minutes for the unit to warmup.8. Perform a new instrument baseline (on all bandwidth settings if variablebandwidth unit) and save this as the permanent baseline (see the online help oruser manual).9. Reset the lamp hours after replacing the lamp (see the online help or usermanual).