Max -
There IS an adjustment. It is an Allen head setscrew that in on the
REAR of the lead screw. Since you already have the can off, it's fairly
easy to spot on the rear wall of the gearbox. Check to see that all ten
(10) ball bearings are in the front, if it's that loose, one or more may
have fallen out. They are 0.125" dia, and are available at most True
Value or Ace Hardware stores.
DON'T overtighten, just enough to take out the "play" or side-to-side
movement of the knob.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
AirRadio wrote:
Right then, so far this R-4C is now working, I have managed to find
the transformer, xtals and NB board, thanks for all those who
responded, what a great group this is :-), the radio works (mainly
alignment) thanks to the xtals from my other 4C, however the PTO
bearings are very loose so the knob moves up and down a lot more than
it should, I have removed the unit and taken a quick look, now
before I strip and damage it are there any procedures I should be
doing in order to remove the play in the bearings. I took the can off
the rear and looked inside for an adjuster but non seems to be there.
73 Max
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