Reconditioning of all of our pianos
We also have quality second hand pianos such as Danemann, Knight, Welmar and Steinway. These pianos were usually made in the 1980's and 1990's.
For people who are very restricted on space we have Six and Seven Octave pianos as well as small seven and a quarter octave pianos.
The following is a list of some of the work that each Second Hand Piano is put through before it goes to the customer.
Weigh and adjust tension weight of 70 damper springs to correct weight in either Centi Newton’s or grams. Uneven Spring tension will cause uneven tonal control. Too strong damper springs will make the key heavy to play and playing softly will be difficult to control.
Check Key bed position for correct Capstan lift point. Key bed must be in correct position in relation to action. Often it is not accurate. If one millimetre out, the action will feel sluggish and lumbering. Tonal control (playing loud and soft or making a melody note sing out) will be difficult.
Incorrect and uneven damper lift timing will cause the Key to feel either heavy to play, or conversely too light, poor control and repetition. The damper lift timing will very often vary from not to note. The result is the piano will not produce the sound that you asked it to produce. To make this adjustment the action has to be unbolted and moved away from the strings; the spoon adjusted, and the action replaced. Then check damper lift. May take several repeat attempts before adjustment is perfect. There are approximately 70 dampers to be adjusted.
Check that balance rail pin is not rubbing inside the key. Chisel out if rubbing. Causes friction and make key heavy to depress and sluggish.
Check Balance rail key hole. Expand wood if hole is too loose and burnish out hole if too tight. Too loose will cause many unwanted knocking and buzzing noises from any one of the many parts.( Not all of the parts will cause unwanted noises but bear in mind there are over eight thousand parts in a piano action).
Check correct action Rake. (Action distance from strings. Action feet blocks).
Check damper down bearing onto string and adjust.
Check damper angles to strings for perfect damping and adjust.
Polish 88 balance rail pins.
Polish 88 Front Key Pins.
Polish 88 Capstan Screws.
Teflon coat 88 Capstan Screws.
Teflon coat 88 Balance Rail Pins.
Teflon coat 88 Front Key Pins.
Check 176 front key bushing felts for over tightness, replace if worn or adjust Key Pin.
Check 176 Balance Rail key bushing felts for over tightness replace if worn.
Adjust Balance Rail Pins for correct angle if incorrect.
Impregnate Teflon 176 Felt Front Key Bushings.
Impregnate Teflon 176 Balance Rail Felt Key bushings.
Impregnate Teflon 88 Lever Heal Box Cloth.
Teflon coat 88 key balance rail holes.
One Third Cut 88 Balance Rail Felt Washers.
Level 52 White Keys to tissue paper shim washer tolerance.
Adjust height 36 Black keys to tissue paper shim washer tolerance.
Adjust Depth of Touch 52 White Keys.
Adjust Depth of Touch 36 Black keys.
Adjust Repetition Rail.
Adjust damper check rail.
Adjust 88 Tie tape wires
Adjust 88 Checks for alignment to balance hammer and adjust angle and check distance
Adjust 88 set off screws
Adjust 88 capstan screws
Adjust hammer rest rail.
Check for ticking knocking and buzzing noises etc May be cause by any one of thousands of different component parts. Often the problem is not visible because it is a part inside another part. Example: The metal barrel inside the damper barrel. Or a balance Hammer glued into balance hammer Shank or Shank into the Butt or Hammer Head.
When key is free from friction weigh and balance key weight 88 keys.
Check for over compressed Jack Rest Butt felt. Replace Butt or Butt felt.
Check front key bushings for correct depth of bushing. Uneven length will alter friction and intern balance weight
Check for 88 front key bushings for tightness and ease if not free of friction
Check for 88 balance rail key bushings for tightness and ease if not free of friction.
Check 528 Centre Pins. Replace if too tight or too loose caused through tarnish or ware.
Check Half Blow Rail Flange Pins for tightness.
Align Hammer stroke angle with 88 Strings (unscrew But Flange disconnect Balance hammer tape and shim But flange, if required).
Align Lever angle stroke (unscrew Lever Flange and shim Lever Flange).
Tighten 88. Hammer Screws
Tighten 88 Lever Body Screws.
Tighten Action Rail Screws.
Tighten Action Bracket Screws.
Tighten 70 Damper Drum screws.
Tighten set off rail screws.
Tighten 88 Butt Plate screws.
Tighten 70 Damper Lever Flange Screws.
Teflon coat 70 Damper Lift Spoons.
Clean and Teflon coat Jack Set off knuckle.
Clean and Teflon coat Jack head.
Clean and Teflon coat repetition lever for Roller.
Clean Roller and lightly Teflon coat Leather.
Adjust and Tighten 70 Damper Lift Wire screws Grand Piano.
Polish and Teflon Coat Damper Wire. Grand Piano.
Adjust 88 Capstans Hammer heights to strings Grand Piano.
Check hammer rest rail height and tighten screws Grand Piano.
Adjust 88 Rocker Regulating screw Grand Piano.
Adjust Repetition spring for correct tension Grand Piano.
Adjust 88 Repetition Regulating Screws.
Adjust approximately 70 pedal damper lever lift screws or wires.
Adjust 88 Jack Regulating Screws Grand Piano.
Adjust 88 Hammer back Checks Grand Piano.
Adjust 88 Repetition spring tensions Grand Piano.
Adjust Damper Slap Rail Grand Piano.
Check 70 Damper Lever Body Flange Screws are tight.
Check 70 Damper Wire Screws are tight.
Check Action Mount Screws for tightness.
Adjust 88 Escapement Dollies.
Adjust 88 Drop Screws.
Adjust Damper Rest Rail.
Clean strings replace where necessary.
Lacquer iron frame.
Polish and lacquer Brass Work.
Replace rubber cushions.
Tone Hammers (Renner estimate 8 hours work).
Tune 2-3 times until stable (Second hand Pianos).
This work is of great importance. If this work is not carried out the piano will play, but not very well. For the pianist this is very frustrating, and piano playing progress will be limited.
Telephone: +44 (0) 845 0703833 / +44 (0) 1579 370423