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Care and Preventative Maintenance
With proper care and maintenance your Horizon centrifuge will provide years of laboratory service. For
proper care, the following steps should be taken:
1. Provide Adequate Ventilation:
For cooling purposes, the Horizon draws in ambient air through the
air intake cover on the top of the lid and exhausts this air in the rear of the base. The centrifuge should
be placed on a hard smooth surface for good air circulation.
2. Always Spin Balanced Loads:
This centrifuge is equipped with imbalance detection. However, it is
still possible to run loads that are minimally imbalanced, particularly at an imbalance setting of LOW
SENSITIVITY. For maximum centrifuge life, set the imbalance detection to HI SENSITIVITY and always
run balanced loads. Refer to pages 8 and 9 on for additional information on balancing the load.
3. Keep the Tube Carriers / Holders Clean:
NOTE: Always follow the safety guidelines of your laboratory
to properly clean up and/or dispose of materials in the event that a substance known to be potentially
toxic, radioactive or contaminated with a pathogenic microorganism is spilt in or on the centrifuge. Small
glass fragments left in the tube carrier / holder after a tube breakage may adhere to the next test tube
inserted in that carrier / holder. When this tube is handled, these fragments may puncture protective
gloves and lacerate the operator's fingers or hand. Remaining fragments may provide stress points on
subsequent tubes and result in additional breakage. If a tube breakage occurs, carefully remove the
tube holder. Properly dispose of the sample and tube fragments and thoroughly clean both the inside
and outside of the tube carrier / holder. Insert a new tube cushion (if necessary) and replace the tube
carrier / holder in the rotor.
4. Motor and Electrical Maintenance:
This centrifuge uses a brushless-DC motor. There are no
brushes to replace and it should not need routine servicing for the life of the centrifuge. The electrical
components are selected for high reliability and should not need service.
5. Keep the Centrifuge Clean:
The cabinet, rotor top and accessories shall be thoroughly cleaned using
either isopropyl alcohol, soap and water, or a mild bleach solution. The use of Fully/Partially Halogenated
Hydrocarbons, Ketones, Esters and all other chemicals not prescribed by the manufacturer may cause
damage to the rotor and tube carriers / holders and shall not be used.
If it is necessary to remove the rotor for additional cleaning it is required that a qualified technician
remove the outside housing and rotor assembly. Contact Drucker Diagnostics for additional information.
Apply cleaning solutions with a towel or cloth. Do not submerge the centrifuge in water or other cleaning
solutions as this will cause damage and void your warranty!
6. Tube Carrier / Holder Replacement:
It is recommended that the tube holders be replaced after 24
months of use. Inspect tube holders regularly for cracks. If cracks are discovered, replace immediately.
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