Recommended Care And Maintenance; Cleaning The Tip Cone - 3M 6502 Manual Del Usuario

7.4. RECOMMENDED CARE AND MAINTENANCE

The 3M Electronic Pipettor II - 1 mL requires regular cleaning to ensure trouble-free operation. Use a soft cloth lightly moistened with a mild non-
abrasive detergent to clean the outer surface of the pipettor. DO NOT AUTOCLAVE.
Recommended Care & Maintenance schedule
Procedure
Clean Tip Cone
Replace Filter
Clean & Grease Piston
4-Sample Calibration Check
10-Sample Calibration Check
Replace Battery
** Heavy use is six or more hours of continuous use daily.

7.5. CLEANING THE TIP CONE

Weekly cleaning of the tip cone is recommended. However, with heavy use, clean more frequently. If liquid enters the shaft, clean the tip cone
immediately.
Disassembling:
1
3
4
5
6
1. Remove the battery pack (1).
2. Unscrew the tip ejector collar (2) counter-clockwise and remove it.
3. Unscrew the tip cone holder (3) counter-clockwise and remove the:
- tip cone holder (3)
- tip cone (4)
- spring (5)
- tip cone filter if fitted
4. Moisten a soft, lint-free wipe with 70% ethanol and gently clean the exposed parts. The interior of the tip ejector collar and tip cone can be
cleaned with cotton swab.
5. Let the parts dry.
6. Apply a thin layer of grease to the surface of the piston.
Reassembling:
7. Place the spring (5) around the piston
8. Push the tip cone (4) into position and attach it by screwing the tip cone holder (3) back. Replace the tip cone filter.
9. Attach the tip ejector collar (2) by screwing it clockwise.
10. Replace the battery pack (1). Reset the pipettor and press the start button several times to test the movement. Test the tip ejector operation.
Weekly; more frequently with heavy use.*
Note. Clean immediately if liquid enters the shaft.
Weekly; more frequently with heavy use.*
Note: replace if pipettor is not performing due to a clogged filter, or if sample fluid has contaminated the filter.
Monthly: more frequently with heavy use.*
Note: if liquid enters the shaft, clean and grease the piston as part of the decontamination procedure.
Monthly, more frequently with heavy use.
Quarterly; more frequently with heavy use.
**Replace after one year; more frequently with heavy use.
2
Recommended schedule
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