Keysight Technologies 85058E User's And Service Manual

Contents

3-16 85058B/EUse, Maintenance, and Care of the DevicesHandling and Storagetorque to the connection through the wrench.Do not hold the wrench so tightly that you push the handle straight down along its lengthrather than pivoting it, otherwise you apply an unknown amount of torque.6. Tighten the connection just to the torque wrench break point. The wrench handle gives wayat its internal pivot point. See Figure 3-8. Do not tighten the connection further.CAUTION You don’t have to fully break the handle of the torque wrench to reach thespecified torque; doing so can cause the handle to kick back and loosen theconnection. Any give at all in the handle is sufficient torque.Do not pivot the wrench handle on your thumb or other fingers, otherwise you apply anunknown amount of torque to the connection when the wrench reaches its break point.Do not twist the head of the wrench relative to the outer conductor mating plane. If you do,you apply more than the recommended torque.How to Separate a ConnectionTo avoid lateral (bending) force on the connector mating plane surfaces, always support thedevices and connections.CAUTION Turn the connector nut, not the device body. Major damage to the centerconductor can occur if the device body is twisted.1. Use an open-end wrench to prevent the device body from turning.2. Use another open-end wrench to loosen the connector nut.3. Complete the separation by hand, turning only the connector nut.4. Pull the connectors straight apart without twisting, rocking, or bending either of theconnectors.Handling and Storage• Install the protective end caps and store the calibration devices in the foam-lined storagecase when not in use.• Never store connectors loose in a box, desk, or bench drawer. This is the most commoncause of connector damage during storage.• Keep connectors clean.• Do not touch mating plane surfaces. Natural skin oils and microscopic particles of dirt areeasily transferred to a connector interface and are very difficult to remove.• Do not set connectors contact-end down on a hard surface. The plating and the matingplane surfaces can be damaged if the interface comes in contact with any hard surface.