Showing past work of Duane McGuire, retired piano technician
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Category: Shop Procedures

Trim-O-Saw Trims Key Fronts
Trim-O-Saw Trims Key Fronts
I've always trimmed keyfronts on the tablesaw, but I today I thought, "Why not the Trim-O-Saw?" It
Amateur Machinist: Tuning Lever Extension
Amateur Machinist: Tuning Lever Extension
A practical project I'm a woodworker, but I am fascinated by what machinists can do. Three years
A process for dealing with fingernail gouges in key sticks
A process for dealing with fingernail gouges in key sticks
Sometimes it's the details that make the difference. When installing new keytops, I aspire to make
Hammond Glider TrimOSaw Model G40B
Hammond Glider TrimOSaw Model G40B
As luck would have it, I'm now the proud owner of a Hammond Glider TrimOSaw. These saws were
Knuckle trimming
Knuckle trimming
Knuckle trimming! I was pleased with the way this worked. I'm replacing knuckles in a 1918 Knabe.
Drill Press Chip Ejection
Drill Press Chip Ejection
When boring piano hammers, keeping chips away from the jig surface is a constant need. I was tired
Old technology meets new:  Installing pedals on an upright piano
Old technology meets new: Installing pedals on an upright piano
While installing pedals on a 90 year old upright piano, I had the opportunity to upgrade materials,
Trimming Damper Heads
Trimming Damper Heads
I wanted to trim 4 mm from Tokiwa damper heads for better geometry in a 1927 Leonard upright.
Upright Hammer installation
Upright Hammer installation
[ Here, I've attached an acrylic sheet on the action frame to simulate the strike point of the old
Stieff Rebuild - Radial Arm Saw upgrade
Stieff Rebuild - Radial Arm Saw upgrade
Key work I had considered doing ivory repair on this piano, but in the end I decided that there
Pulling balance rail pins
Pulling balance rail pins
The right tool for the job isn't always obvious. Requirements: - pin should come out straight - no
Boring an upright hammer
Boring an upright hammer
This video shows a field repair technique for boring an upright piano hammer for shank replacement.
Adjustable Action Model - Grand Piano
Adjustable Action Model - Grand Piano
As I prepare to do a complete action replacement on my 1911 Steiff piano, I wanted to be as
A jig for notching piano keytops
A jig for notching piano keytops
After having done it the hard way, it is such a delight to find the easy way by virtue of someone
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