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Summary of Contents for VWR Signature VE2
- Page 1 VWR Signature™ Pipettor VARIABLE VOLUME PIPETTES SERVICE MANUAL VWR Signature™ Pipettor SERVICE MANUAL version 01#1/13...
- Page 2 * no ejector Table 1 – Technical data of VWR Signature™ Pipettor. The accuracy and precision were obtained, using a gravimetric method and VWR tips, performing at least 10 measurements of distilled water at a temperature of 20C as described in „Procedure for Evaluating Accuracy and Precision of HTL Pipettes”...
- Page 3 Ring 2.3z VE/V5000 Filter VE5000 Ejector cap Handle VE/V2-5000 Screw VE/V2-5000 Table 2 –List of VWR Signature™ Pipettor spare parts Read this instruction thoroughly before any attempt to disassemble or repair a pipette. VWR Signature™ Pipettor SERVICE MANUAL version 01#3/13...
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Page 4: Troubleshooting
0.02 ≥100 - 1000 ≥ 1000 Table 3 Technical requirements of balances used in pipette testing . Environmental condition and method of testing VWR pipettes should comply with „Procedure for Evaluating Accuracy and Precision of HTL Pipettes”. TROUBLESHOOTING Failure Possible cause Procedure 2.1. -
Page 5: Repair Procedures
3.3.3 Assembly Put the knob assembly on the cylindrical tip of the screw avoiding the fixing screws were under the groove of the screw. Tight the knob assembly to the screw with fixing screws. VWR Signature™ Pipettor SERVICE MANUAL version 01#5/13... - Page 6 Take the container P3 (SB 02.0), from service kit; Select the proper tube (accordingly to the volume of the pipette) with a clamp; -P4 (SB 02.1) tube –for VWR VE/V2 - VWR VE/V20 pipettes; -P5 (SB 02.2) tube –for VWR VE/V50 - VWR VE/V1000 pipettes;...
- Page 7 • After conducted calibration set the average aspirated volume. This value should be within the permissible range given in the manual. If the value exceeds the allowed values, conduct pipette recalibration according to the manual with the use of calibration key P19. VWR Signature™ Pipettor SERVICE MANUAL version 01#7/13...
- Page 8 VWR VE/V5000 1000 4.13 Table 6 – Volumes and calibration strokes of VWR Signature™ Pipettors. CAUTION: • in the case of difficulties with conducting proper calibration check the arbor and calibration screw; if they are damaged replace that with new ones.
- Page 9 Disassembly • VWR VE/V2 – VWR VE/V250 pipettes (Fig. 1,2) Press the ejector button 22 and take off the tip ejector 17 from ejector arbor 25 (VE pipettes only). Unscrew the nut 7 and take the shaft 18 out of the handle 23. Take the piston assay 8 together with stopper bush 11, compression spring 12, bush 13 and spring 9/10 and with compression bush 14, teflon seal 15 and O-ring 16 out of the shaft.
- Page 10 . Unscrew the nut 7 and disconnect the shaft 18 from the handle 23. pipettes only) • 5000 (Fig. 4) VWR VE/V The shaft nut 7 is permanently fixed to the handle 23 and it is not changeable part. VWR Signature™ Pipettor SERVICE MANUAL version 01#10/13...
- Page 11 Turn the screwdriver counter clockwise to increase the length of the tip ejector, and clockwise to reduce the length of the tip ejector. 3.11.2. Assembly Replace the spacer if damaged. 3.11.3. Checking Check tips ejecting. VWR Signature™ Pipettor SERVICE MANUAL version 01#11/13...
- Page 12 Spare Parts List for VWR Signature™ Pipettor Part no. from Cat. Part name Pipette type drawings 19315 VE/V2 19316 VE/V10 19317 VE/V20 19318 Pushbutton VE/V50 19319 VE/V100 19320 VE/V200 19321 VE/V250 19322 VE/V1000 19323 VE/V5000 19325 Setting knob VE/V2-5000 19326 Upper arbor...
- Page 13 Washer 3.2 9398 VE2-5000 9663 Rubber bush VE2-5000 9636 Ejector spring VE2-5000 19306 Ring 2.3z VE2-5000 19454 Filter VE/V5000 19466 Ejector cap VE5000 Table 9 – Spare Parts List for VWR Signature™ Pipettor VWR Signature™ Pipettor SERVICE MANUAL version 01#13/13...
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