Typically I remove the RF deck to do the WD40 bath, but I suppose it could be
done with it still installed.
You need to use the wD40 like a hose, spray it on, don't be shy, then use a
stiff brush to work it around. Then another "rinse". Repeat as necessary. I use
an old cooking pan under the module to capture the run off.
TomW3TA
On Wednesday, February 11, 2026 at 01:01:35 PM EST, Alex Hopper
<[email protected]> wrote:
Hi All,
I have done quite a bit of reading on the best ways to clean the RF deck
gear train on the R-390. Seems that most people recommend a thorough flush
of WD-40.
Does anyone have personal experience with this? I am tempted to try it,
however I am NOT interested in removing my RF Module. Is this something I
can carefully do with the RF module still intact? I would use a long
'staw' aimed down carefully into the gears.
-Alex
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