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Important. Wear gloves or other protective means. If
!
the instrument is used with biohazardous materials,
dispose of any cleaning materials used in accordance
with your institutional guidelines.
•
Keep the cooling vents in the back of the machine clear
of dust.
•
Do not remove the Maxwell
for cleaning. This will void the warranty.
•
Do not use a spray bottle to soak instrument surfaces
with large volumes of liquid.
•
Never allow liquids to sit on instrument surfaces for
extended periods of time.
•
Keep all moisture away from the heated elution tube
slots to prevent damage to the heating elements.
•
If the linear slides for the platform need to be cleaned,
use only a dry paper towel. If they have been
contaminated with any liquid, wipe off excess liquid
and follow the lubrication guidelines in Section 8.F, or
contact Promega Technical Services for assistance.
B. Cleaning the Hardware
If the plungers are inadvertently omitted during a run or
placed in the wrong starting position, the machine may go
through a run with the magnetic rods unprotected. If this
happens, the magnetic rod assembly needs to be removed
for cleaning.
1. To remove the hardware, see Section 7.A.
2. To clean the magnetic rod assembly, wipe with a damp,
soft cloth. You also can wipe the assembly with 70%
ethanol. Removal of paramagnetic particles from the
magnetic rod assembly will require multiple wipes.
3. If the magnetic rod assembly cannot be cleaned, please
contact Promega for assistance.
4. Replace the magnetic rod assembly, and firmly tighten
the three thumbscrews.
5. Ensure that the hardware mode displayed in the Home
screen matches the hardware that is installed in the
instrument.
C. Dealing with Spills
Wipe up any spills immediately. If the reagent spills in the
instrument, wipe up visible material with a cloth. Dried
material should be wiped up with a wet towel. Note that
the reagents contain hazardous materials; therefore dispose
of towels according to your institutional guidelines. Wipe
well once visible material is removed.
In case of spills in the instrument where there is a potential
biohazard, wipe up the spill with towels and wash the spill
area with a detergent solution such as Steris
Promega Corporation
2800 Woods Hollow Road • Madison, WI 53711-5399 USA
Toll Free in USA 800-356-9526 • Phone 608-274-4330
Maxwell
®
16 MDx Instrument Technical Manual
®
16 MDx Instrument case
®
LpH
®
se,
following the manufacturer's instructions. Dispose of towels
used according to your institutional guidelines for
biohazardous waste.
UV-treat the instrument.
Important. Bleach reacts with guanidine thiocyanate
!
and should not be added to any sample waste
containing lysis solutions.
D. Decontamination Using the UV Lamp
UV radiation is useful in decontamination due to its ability
to inactivate biological molecules. The Maxwell
Instrument is equipped with a UV lamp that can be used
to treat the interior of the instrument with UV light, after
cleaning, to help with decontamination. UV treatment is
not a substitute for cleaning. Using the UV lamp treatment
alone may not provide sufficient decontamination.
To turn on the UV lamp manually, navigate to the Home
screen, and select the Setup option. In the Maxwell
Configuration screen, select Configuration. In the
Configuration screen, select UV Setup. In the UV Settings
screen, select the option to switch on during startup and
set the amount of time you would like to run the lamp. The
recommended setting is at least 60 minutes when cleaning
up after a spill. The maximum setting is 600 minutes. Return
to the Configuration screen and select UV On. The UV
lamp will turn on and remain lit for the time set. Once the
instrument has been UV-treated, the UV time may be reset
by navigating to the UV Settings screen and resetting the
UV treatment time.
E. Replacing the UV Bulb
Wear gloves. Do not touch the bulb with your bare hands;
this can transfer oils from your hand to the glass and
shorten the bulb's lifespan. The UV bulb has an average
life of 3000 hours. The Maxwell
warn you when the accumulated UV bulb usage reaches
2950 hours, and we recommend that you replace the bulb
at this point. Replacement bulbs can be purchased from
Promega (Cat.# SP1080).
To replace the bulb, locate the old bulb in the UV lamp
socket, which is just inside the door on the ceiling. Twist
the bulb a quarter turn until it can slide out. Place the new
bulb into the instrument (see Figure 11). UV lamp socket
as described in Section 3.C.
F. Periodic Maintenance
Linear Slides: If the linear slides become sticky, they may
be lubricated with light machine oil. Use a cotton swab,
and apply only as much as is needed to make the heads
and plate slide easily. Do not get oil on the black drive belts.
Belts: Inspect the belts periodically. If excessive wear or
excessive slack is noted, contact Promega or your local
Promega representative, and arrangements will be made
to service the instrument.
®
16 MDx
®
16
®
16 MDx Instrument will
part# TM320
rev. 9/09
20
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