The fans are mounted differently on the new K3s. The earlier method used
threaded bushing inserts at the corners of each fan. Flat head screws were
screwed in on each side of the bushings to secure the fan to the plate and
finger screen. Late model K3s do not use the bushings. 7/8" long flat head
screws are now used, and the fans are secured with acorn nuts. I presume these
acorn nuts are self locking. They give the K3 a dressed-up look.
I installed a KDVR3 in a factory built K3. I noticed the rear screw on the D2
block behind the microphone connector had not been installed, so Elecraft
apparently intends to leave it out to insure adequate clearance when removing
the front panel assembly.
The factory built K3 was not purchased directly from the factory. The chassis
screws were extremely tight. Either the previous owner had over tightened them
or Elecraft assemblers must be using electric screw drivers.
By now you must be asking if I don't have something better to do. Roy Morris
W4WFB
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