HP 83487A User Manual page 92

Reference
Cleaning Connections for Accurate Measurements
Caring for electrical connections
The following list includes the basic principles of microwave connector care.
For more information on microwave connectors and connector care, consult
the Hewlett-Packard Microwave Connector Care Manual, HP part number
08510-90064.
Handling and Storage
• Keep connectors clean
• Extend sleeve or connector nut
• Use plastic endcaps during storage
• Do not touch mating plane surfaces
• Do not set connectors contact-end down
Visual Inspection
• Inspect all connectors carefully before every connection
• Look for metal particles, scratches, and dents
• Do not use damaged connectors
Cleaning
• Try cleaning with compressed air first
• Clean the connector threads
• Do not use abrasives
• Do not get liquid onto the plastic support beads
Making Connections
• Align connectors carefully
• Make preliminary connection lightly
• To tighten, turn connector nut only
• Do not apply bending force to connection
• Do not overtighten preliminary connection
• Do not twist or screw in connectors
• Do not tighten past the "break" point of the torque wrench
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