[Elecraft] [K3] Fan noise cure

2015-08-10 Thread Doug Turnbull
Dear OMs and Yls, One of my K3 fans makes more noise than I care for whilst running just 65 Watts in CW mode. I wonder if there is an easy fix for the existing fan. Maybe the only fix is a fan replacement?Secondly how problematic is it to remove the fans? Does one need to rip out man

Re: [Elecraft] [K3] Fan noise cure

2015-08-10 Thread Don Wilhelm
Doug, It is not really a problem to remove the fan. Take the top cover off, remove the 4 screws holding the fan panel, unplug the fans (noting which connector goes where), and you may want to remove the leads to the circuit breaker. Except for putting a new fan on the fan panel, that is all t

Re: [Elecraft] [K3] Fan noise cure

2015-08-11 Thread Bob
Hi Doug, If noise is the issue you might want to search the archives. Some time back a fellow posted information on a replacement Noctua fan that had more CFM output but was quieter than the original per the specs. So if replacement is required then possibly the rep

Re: [Elecraft] [K3] Fan noise cure

2015-08-12 Thread ok1rp
Hi Bob, it sounds really interresting. I realized that my K3 after huge upgrade and now is really fully loaded is quite hot even in idle (RX mode). The PA/FP temp is stabilized to 38-40C in RX idle when the FAN1 speed is selected but when I touching the cabinet sides it is quite hot. So the more C