This article explains hammer traveling, squaring, and aligning separately and proposes a method for each that will help clarify the process.

This article is covers damper theory, the two points of damper timing regulation, and methods of regulation.

There are many lubricants marketed to the piano technology field. Some are safe and helpful, others should be avoided altogether.

There are many techniques that can be used for setting key height during a regulation. This article details the method I have adopted.

Use this shorthand chart for tracking your work through the regulation process.

Learn basic parts terminology with these downloadable action worksheets.

Including grand pedal lyre maintenance in your regulation service is a great way to enhance the value of your work.

This article is a fresh approach to understanding aftertouch. Try to throw out what you have been taught so far and read like a novice.

Black key dip doesn’t have to be a guessing game, and you don’t even need a gauge!

Organized kits make fast service calls. Put a pedal kit together so you can quickly fix squeaks, thumps, and rattles:

Setting upright lost motion isn’t actually about lost motion. It’s about repetition.

Instrument builders have long understood the utility of springs to store and release mechanical energy. Springs are hidden helpers.

Had a frustrating experience with the upright damper spoon bender? Try this method instead.

On many uprights, the middle pedal is referred to as the “practice pedal.” This pedal lowers the mute rail felt between the hammers and...

A good regulation starts with a prepared keyframe and keys.

A good regulation starts with a prepared keyframe and keys.

Regardless of your skill level, it's good to develop a sensitive and consistent touch when regulating.

Whether you are practicing regulation on an upright model or trying to set key height on an older piano with no manufacturer’s spec, an...

Getting your shopping list ready? Read our suggested tool list to get the most bang for your buck.

By Jim Busby, RPT

Centering the jacks in the middle of the repetition lever is an important step in the regulation process. Almost all actions will have at...

By Gregory Cheng, RPT When I was a young technician, one of my first jobs was working in a shop rebuilding pianos and prepping floor...

Learn how to get an accurate measurement of key dip.

Hammers that travel in a straight, vertical plane are critical for correct function and tone.