Allied Telesis 6870 - Manual

Page 8 of 25 SPEX SamplePrep LLC 9.24.07 4.4 Grinding Vial Sizes, Adapters, and Vial Openers. Large vials (6801, 6871) are run one at a time in the 6870 Freezer/Mill, without any adapter. Large vials are opened by the 6804 Extractor/Vial Opener, which is part of the 6870L Accessory Package. Mid-Size...

Page 9 of 25 SPEX SamplePrep LLC 9.24.07 SECTION 5.0: TOUCHSCREEN DISPLAYS The 6870 Freezer/Mill is programmed and operated through a series of touchscreen displays. Transition between screens, and all programming and operating commands, are done by touching the screen with a stylus. D o not use a s...

Page 10 of 25 SPEX SamplePrep LLC 9.24.07 6) Third cycle: the coil is activated for the final 2-minute cycle. When it is done, the program is over and the sample has been ground for a total of 6 minutes. 5.3 STATUS SCREEN To run the program displayed on the CURRENT SETTINGS screen, touch “Start SCRN...

Page 11 of 25 SPEX SamplePrep LLC 9.24.07 During the PRECOOL stage the TIME REMAINING line counts down the time for that stage in 5-second increments: 4:45, 4:40, 4:35, etc. After the PRECOOL stage comes the first GRINDING stage, and the screen displays STATUS: GRINDING. The TIME REMAINING line will...

Page 12 of 25 SPEX SamplePrep LLC 9.24.07 impactor strikes both ends of the vial, a rate of 10 represents 20 impacts per second. The factory default setting for the rate is 10, and any saved program will revert to a rate of 10. To stop a program, touch STOP. The program will end. If RUN is pressed t...

Page 13 of 25 SPEX SamplePrep LLC 9.24.07 To store the new program on the CURRENT SETTINGS screen, or to recall a stored program to override the new program, touch STO/RCL to take you to the first of two STORE/RECALL screens: 5.5 STORE/RECALL SCREENS Rcl Sto PRESET O: FISH SCALES Lbl Rcl Sto PRESET ...

Page 14 of 25 SPEX SamplePrep LLC 9.24.07 As you touch the letter/number keys, what you have entered appears above the keyboard in a mini-screen with a centered cursor. The SHIFT key lets you shift back and forth from upper case to lower case. Touching the SPACE key advances the cursor one space. To...

Page 16 of 25 SPEX SamplePrep LLC 9.24.07 procedure for your own materials should be determined by trials; in practice almost no two materials grind alike. Avoid overfilling vials as this greatly reduces grinding efficiency. If at first the sample doesn’t grind as intended, try these strategies: • R...

Page 18 of 25 SPEX SamplePrep LLC 9.24.07 6.32 Opening the Vials To open a vial, slip the open end of the appropriate Extractor/Vial Opener over a threaded end-plug, align the pegs in the end-plug with the slots in the Extractor, and turn the knob clockwise until the end-plug is drawn out. If the en...

Page 20 of 25 SPEX SamplePrep LLC 9.24.07 6.4 Checking The Liquid Nitrogen Level Every time you remove or insert a vial, note the level of liquid nitrogen (LN) in the tub. You should top off the LN when needed as a matter of routine. If your programmed grinding cycle includes more than twenty or thi...

Page 22 of 25 SPEX SamplePrep LLC 9.24.07 temperature before attempting to clean it. Once the unit has attained room temperature, wipe down the unit as indicated previously. After every period of use, the mill is going to be wet with condensation since the Freezer/Mill will pick up moisture as long ...

Page 23 of 25 SPEX SamplePrep LLC 9.24.07 7.04 Contacting SPEX SamplePrep LLC Within the United States, write, telephone, or e-mail us at: SPEX SamplePrep LLC 15 Liberty St. Metuchen, New Jersey 08840 Tel.: 732-549-7144 or 800-522-7739 Fax: 732-906-2492 Website: www.spexcsp.com E-mail: sampleprep@sp...

Page 24 of 25 SPEX SamplePrep LLC 9.24.07 SECTION 8.0: TROUBLE-SHOOTING GUIDE, PAGE 1 OF 2 PROBLEM CAUSE SOLUTION 1 The unit does not turn on No power Make sure power cord is plugged into outlet and inlet 2 The unit does not turn on No power Check outlet for power and correct as required 3 The unit ...