Recently rewired and refurbished my FR-64S per @hirscwi 's instruction above, and it worked like a charm.
My arm was gummed up to the point that the VTF knob would not move, and it certainly wasn't giving accurate results. The attached pictures show the point at which I stopped disassembly. Going further required removing the VTF spring, and I wasn't prepared to deal with the tiny flathead screws and odd angles. Luckily, a repeated drizzle of acetone between the knob and housing (and blasts of compressed air) was successful in flushing the old, gummed up grease. I applied a very light synthetic oil in between the same gap and that seems to be working perfectly thus far. Time will tell if I need to break down and remove the know a reapply a heavier grease.
Thanks again for sharing your process, Bill!
My arm was gummed up to the point that the VTF knob would not move, and it certainly wasn't giving accurate results. The attached pictures show the point at which I stopped disassembly. Going further required removing the VTF spring, and I wasn't prepared to deal with the tiny flathead screws and odd angles. Luckily, a repeated drizzle of acetone between the knob and housing (and blasts of compressed air) was successful in flushing the old, gummed up grease. I applied a very light synthetic oil in between the same gap and that seems to be working perfectly thus far. Time will tell if I need to break down and remove the know a reapply a heavier grease.
Thanks again for sharing your process, Bill!
