Combo V24T Centrifuge Manual

Place the centrifuge on a sturdy, level surface. Verify that there are no loose objects or packing material in the tube chamber. DO NOT PLUG UNIT IN. Select a rotor and slide it down over the motor shaft, ensuring that the slot in the bottom of the rotor lines up with cross pin on the motor shaft. The shaft should be lubricated with a fine layer of common grease every few months for easy rotor changes. Test Tube and Microtube Rotors: After seating the rotor properly on the motor shaft cross pin, tighten the chrome thumb- screw down on the rotor. Do not over-tighten. Microhematocrit Rotor: Place the cover plate onto the rotor by sliding it down over the center shaft. WARNING: The rotor cover plate is not threaded and will not hold the rotor in place during operation. Next, tighten the chrome thumbscrew down onto the rotor. Do not over-tighten. Verify that the main power switch is in the “OFF” position and plug the AC power cord into the appropriate approved and properly grounded AC outlet. Next, turn the main power switch on, then press the front panel POWER button. The display should illuminate. DO NOT INSERT TUBES AT THIS TIME: Ensure that the Rotor Select is in the correct position: LOW SPEED for test tube rotors (1,000-4,000 rpms) or HIGH SPEED for microhematocrit and microtube rotors (12,000 rpms). To change speeds, press and hold the ROTOR SELECT button for three seconds. WARNING: Spinning the 12 or 24-place test tube rotor at high speeds (above 4,000 rpm) can cause tube breakage and centrifuge damage. SPEED and TIME can only be adjusted when the lid is closed and locked. To set the speed, press the SPEED button once, then use the UP/DOWN arrows to select 1,000 rpm, for an initial test run. Press the SPEED button again to lock the speed. To set the time, press the TIME button once to flash seconds, and use left arrow to flash minutes. Use the UP/DOWN arrows to choose 1:00 minute for the initial test run. Press the TIME button again to lock the time. Start the unit by pressing the START/STOP button. The unit should come up to speed with a smooth sound and little or no vibra- tion. If there is excessive vibration or noise, shut off the unit immediately, check the troubleshooting tips, and contact Jorgensen Laboratories if not resolved. Spin only balanced loads. Make sure that tubes are placed opposite each other. Proper sample balancing will improve sample separation and will extend the life of the centrifuge. Out of balance loads may damage the centrifuge. Support your tubes: Tubes must always be supported from the bottom and never hanging by their caps. Use the large tube sleeves for larger tubes and the small sleeve inserts for smaller tubes. Rubber tube cushions are also available from Jorgensen Laboratories for supporting short tubes in the large tube sleeves. Ready for operation: Load your tubes and set time and speed. When spinning the 24 -place microhematocrit rotor, keep the speed set at 12,000rpm for rapid and complete separations in 3 minutes. WARNING: Ensure the rotor is securely fixed to the rotor shaft. Failure to properly secure rotor could lead to personal injury or damage to the centrifuge. WARNING: Be sure the thumbscrew is tightened before each centrifugation cycle. 3 4 5 6 7 8 9 Selecting and Changing Rotors A B C D NOTE: Please ensure that the black rubber rotor gasket is positioned around the rim of the rotor such that the capillary tubes are pushing into the rubber while spinning. The rubber gasket is not affixed to the rotor to allow for cleaning and re-positioning of the gasket to prolong gasket life. 10 High speed Pcv/microtube rotors Low Speed Test Tube Rotors Rotor select P. 800.525.5614 F. 970.663.5042 1450 Van Buren Ave Loveland Co 80538 USA

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Combo V24T Centrifuge Manual – MANJ0502md

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