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Repair


Inserting Backchecks
There are many different methods for installing backchecks, but the “72º-angle method” is the method most guaranteed to achieve consistent backchecking close to the strings.
Oct 177 min read


Hammer & Shank Repair
Issues around the connective points on the hammer assembly often require a few different methods of repair. Since the repair techniques overlap and all require similar tools, this article will cover hammer shank repairs for loose glue joints and broken shanks on both uprights and grands.
Aug 218 min read


Plugging Action Screw Holes
Plugging a stripped hole is an essential skill for any technician. This article covers the methods you'll use for shop and field repairs.
May 26 min read


String Splicing
A “splice” is a knot that uses a new length of wire to connect a broken string to the tuning pin.
Mar 126 min read


Bass Stringing Basics
Bass stringing technique is similar to plain-wire stringing, but there are several factors that put bass stringing into a league of its own.
Mar 125 min read


Hammer Heel Leather Replacement
Replacing the leather material on the hammer heel is an easy and straight-forward repair for a messy problem.
Sep 23, 20243 min read


Piano Pest Control
Good housekeeping is the best treatment for piano pests, and piano technicians are a part of that service.
Sep 10, 20248 min read


Field Stringing Tips
This list of quick tips should help smooth the way to a successful stringing experience.
Aug 30, 20245 min read


Replacing Broken Agraffes
Replacing broken agraffes can be a tedious job for even the most seasoned technician, but it’s certainly not the most difficult.
Nov 3, 20235 min read


Hammer Shaping Methods & Tools
Hammer shaping is an essential part of servicing pianos. This article includes several methods of hammer filing.
Oct 10, 20236 min read


Identifying the Sources of Mysterious Clicks
While the hunt for mysterious "clicks" may never end, this article walks you through the most common sources and how to fix them.
Jul 11, 20223 min read


Repinning Action Centers
Every piano technician should be able to size, replace, and repair action centers correctly.
May 25, 20224 min read
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