On cap, mark everywhere with pencil then sand down. When all pencil mark disappears, the surface is relatively flat. Scrape with scraper or bent razorblade to create smiling face for glue to stay.
The shop owner has adapted the old fashioned way of lettering the cast iron plate after refinishing. It is made of black enamel and thinned with turpentine. The pen is called fluid writer pen. It takes about 2 days to dry completely, so care is needed in order not to scrape the lettering.
This is a short note on this plate that has been refinished. We needed to sand through the original and previous finish to achieve a smooth surface for the first coat of gold or primer. Sanding by hand was not an option. It was very brutal. Festool with 80 grid sanding pad worked well here.
Take 1 sample note in each section, measure from front speaking length termination point to front of bridge, then front of bridge to back termination point of speaking length. Enter to computer program to calculate down-bearing.
This pinblock has gone through dry fitting and adjustments in piano, ready to be glued in. Apply epoxy on glue surface. We use Westsystem Epoxy. It is very toxic so a N95 mask or respirator is necessary. Use the plate and vertical clamping pressure to press down pinblock. Use stretcher protecting board for the horizontal clamps to grab on.