Hi Bob, I am glad for you that I interpreted your post wrong. I still wouldn't do another one, though. James Grebe R.P.T. of the P.T.G pianoman@inlink.com Creator of Handsome Hardwood Caster Cups and Practical Piano Peripherals in St. Louis, MO -----Original Message----- From: fndango@azstarnet.com <fndango@azstarnet.com> To: pianotech@ptg.org <pianotech@ptg.org> Date: Thursday, November 05, 1998 3:57 PM Subject: Re: plastic parts back >James - Mark had the right idea: 60/hr. means 60 per hour, not 60 hours. >I'm really glad it doesn't take me 60 hours to install a set of >backchecks! The whole job, including regulation, took about 24 hours. > >Joe - Roger gave a good account of factory procedures. I could have left >the hammer assemblies off until I finished the damper wire bending, but >that would have increased the time in the customer's home. I had a full >day's work there as it was. I'm glad I decided to reinstall the hammers >in the shop. And with the rails out of the way, the hammer shanks were >not much of an obstacle to bending the damper wires. > >Wim - Replacing the whole wippen was an option. The cost of a wippen is >about 3 times the cost of the jack + flange + backcheck. In my case, I >already had the flanges and backckecks, and I wanted to use them. 90 >jacks and 70 damper levers cost me $120 from Pacific Piano Supply. >Anyway, you have to balance the cost of the wippens vs the smaller >parts, and the time to install the new parts on the wippens, which in my >case was about 15 hours. With a different scenario, maybe I would have >gone for the whole wippens. Two things swing me to the direction I took: >1) I hate to throw anything away, 2) I find myself doing a lot of >repinning of new flanges I buy because they don't fit into my torque >specifications. So I had control over #2, and I felt good about #1. > >Roger mentioned replacing the damper felt. It would be a good idea to >check that before jumping into a job like this. In my case the damper >felts were still OK. I just brushed them with a stiff-bristled tooth >brush. One thing I always do when I have a vertical action out of the >piano is to check the bichord and monochord wedges. I find a lot of >bichord wedges sticking through the strings so far that they don't clear >or barely clear when the key is depressed. I usually discover this when >I'm tuning in the low treble. The sound dies out quickly, and I mumble >to myself imprecations against the mfg. The monochord wedges get spread >apart sometimes enough to get held up on their neighbors. So I usually >do some damper trimming when I have an action out of the piano. > >Incidentally, I charged $700 for my plastic parts job. I would like to >have gotten more, but I needed a sitting-down job as I fractured and >sprained my left ankle two months ago. So I was willing to underbid it. >There certainly are pianos not worth even that much action work, but >this one was. > >Bob Anderson >Tucson, AZ >
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