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I am up to the electrionc section of tune up and tightn before another two months out gigging. All the adavice from Stevo, max, and chris have been awesome. I regultatd the let off onthe 200a fairley easy after going thruough all the key and eased and inspected , I did take a small file and sanded down the keys that had edges splitting. eased the pins. vaccumed out, changed out the power recepttcale to a IME.
Tuned and voiced with peterson strobe, twice thru. Attempted to add soilder on two notes and after threee attempts with no trays nailed it in pitch. filed all others to pyramid shape.  New Gommets on the entire damper system .  Adjusted the letoff on a few noticible keys to. 
Move on to the next step. Electronincs. ......................I have two line fuse holders,  help with best way to do this? what size fuse?  but also what are the pros and cons of playing around with the settings on r11 andr12 ?

Ive got a set of grommets from vv, and before I embark two questions
How do you know when they are in need of replacing?

And are there any tips for installation that wouldn't seem obvious?
Wulitzer 200a
Thanks

I have a 726b that I have been cleaning up. I took the reed bar off during the initial cleaning of the piano and since I have put everything back together the reed bar or pick up rail on the upper octaves is at a very low volume. The notes start to drop in volume roughly around E4 through the rest of the notes up. Any idea?  It didn't seem to do this before, but I also had just been given it when I started to clean it out. Also, there is a threaded grounding wire in two different spots that doesn't connect to each other or anything else. They just hang about 6 in. down. Shouldn't they ground to something on both ends?