Chapter: Maintenance
5-4 M10-16248-EN
The following areas of the machine will require periodic lubrication:
• Ballscrews - The ballscrews are lubricated via a ballnut that is located on the crosshead
where the ballscrew intersects the crosshead. As the crosshead moves up and down, the
ballnut disperses a thin layer of lubricant over each ballscrew as the ballscrew passes
through the ballnut. Periodically, the ballnut must be filled with lubricant to ensure that
the ballscrews remain well lubricated. The ballnut must be maintained and filled in
accordance with Table 5-1 on page 5-3.
Inspect the ballscrew and lubricate more frequently if any of the following conditions
exist:
• There is high-load or high-speed testing.
• There is long-term, continuous movement of the crosshead.
• The system operates in a dirty environment.
• There are high-load cycling tests.
• Guide columns - The guide columns require only a thin film of lubrication. It is
recommended that the machine be re-lubricated every two years.
On the table top models, it is difficult to reach the guide column, which is behind the
ballscrew. If you suspect that the guide column needs lubrication, contact your local
Instron Professional Services department for assistance.
The top and bottom ballscrew bearings are sealed and should never need lubrication.
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