Electronic Calibration Modules Reference Guide 4-7
Use, Maintenance, and Care of the Devices
Cleaning Connectors
2. Clean the Connector Threads
Moisten (don’t soak) a lint-free swab or cleaning cloth with isopropyl
alcohol to remove any dirt or stubborn contaminants that cannot be
removed with compressed air or nitrogen. Refer to “Other ECal
Accessories” on page 6-10 for cleaning swabs and other connector
cleaning supplies.
a. Apply a small amount of isopropyl alcohol to a lint-free swab.
b. Clean the connector threads.
c. Let the alcohol evaporate, then blow the threads dry with a gentle
stream of clean, low-pressure compressed air or nitrogen. Always
completely dry a connector before you reassemble or use it.
3. Clean the Mating Plane Surfaces
a. Apply a small amount of isopropyl alcohol to a new lint-free
cleaning cloth or swab.
b. Clean the center and outer conductor mating plane surfaces. Refer
to Figure 4-2 on page 4-4. When cleaning a female connector; use
short strokes to avoid snagging the swab on the center conductor
contact fingers.
c. Let the alcohol evaporate, then blow the mating plane surface dry
with a gentle stream of clean, low-pressure compressed air or
nitrogen. Always completely dry a connector before you reassemble
or use it.
4. Inspect Each Connector
Inspect the connector to make sure that no particles or residue are
present.
Cleaning 7 mm Connectors
Cleaning the Center Collet While It Is in Place
You do not have to remove the center conductor collet to clean a precision
7 mm connector.
With the center collet in place:
1. Place a lint-free cleaning cloth flat on a table.
Use ONLY isopropyl alcohol to clean connector surfaces. Any other solvent
may damage the insulators, support beads, and seals in the connector.
Never immerse the connector in solvents of any kind. The solvent can
become trapped within the assembly and cause SWR, phase, and insertion
loss problems.
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