Search found 103 matches

by maxim_tuner
28 Mar 2024, 07:48
Forum: Piano Advice
Topic: 'DEAD' upright piano's keys F(4) and (E5). How fix it DIY.
Replies: 0
Views: 6

'DEAD' upright piano's keys F(4) and (E5). How fix it DIY.

https://youtu.be/PdHgkY7EhNc I think that 'the wippen damper spoon' of the keys (E and F) was bad regulated there. May be 'the damper spoons' need lightly bend to from yourself to near it 'the damper lever' Read carefully how fix it ('The Damper spoon' misalignment.) see the instructions below there...
by maxim_tuner
22 Mar 2024, 12:49
Forum: Piano Advice
Topic: “Max’s method to fix old and tight of the upright piano hammers - How to loosen the shank from the flange.”
Replies: 0
Views: 86

“Max’s method to fix old and tight of the upright piano hammers - How to loosen the shank from the flange.”

https://youtu.be/AHRHUBK3w0Q Yesterday (03/21/24) on Reddit I was contacted by user u/m22active, who asked me for advice regarding the defective operation of 'the action' old piano . ( Hey man! I've got a problem with an old piano i picked up for free where the hammers don't return back to resting a...
by maxim_tuner
16 Mar 2024, 10:23
Forum: Piano Advice
Topic: How to Fix a Wooden Clicking Sound on an UPRIGHT Piano's Hammer Yourself.
Replies: 0
Views: 108

How to Fix a Wooden Clicking Sound on an UPRIGHT Piano's Hammer Yourself.

https://youtu.be/-vT5SihRjSw Under 'the butt of the hammer' there is a small wood protrusion on which a small piece of fabric (the small felt RED cushion) is glued. Indeed was lose it because in this video clear hear the wood click which goes on between 'the jack of the wippen' with 'the butt of the...
by maxim_tuner
15 Mar 2024, 04:41
Forum: Piano Advice
Topic: Weak work 'the jack of wippen' of the upright piano. How fix it DIY.
Replies: 0
Views: 32

Weak work 'the jack of wippen' of the upright piano. How fix it DIY.

https://youtu.be/rjKRq4QrT24 In the video, we can see that the jack fails to fully lift the hammer after the key (F) is pressed. 'The jack' shifted and it don't hits to 'the hammer butt' there. more cause it's 'the center pin of the jack shifted from one of the cloth bush 'the hammer flange' there. ...
by maxim_tuner
10 Mar 2024, 08:56
Forum: Piano Advice
Topic: The cracked metal buzzing sound (F3) of the upright piano when we press down it's key.
Replies: 0
Views: 69

The cracked metal buzzing sound (F3) of the upright piano when we press down it's key.

https://youtu.be/6id3CD5jau0
  • One of the double strings in the choir (3) (F3) and( F#3) there broke. That's why we hear it. How to fix this?
    It is necessary to call the technician tuner to replace this string. You can make a temporary plug from rubber or plastic there too.
by maxim_tuner
03 Mar 2024, 04:25
Forum: Piano Advice
Topic: Why Doesn't the Upright Piano Hammer Strike the Strings? The stick key F(4).
Replies: 0
Views: 58

Why Doesn't the Upright Piano Hammer Strike the Strings? The stick key F(4).

https://youtu.be/Eb7hEnI9Bmo Possible Solutions to the Issue of the Hammer Not Striking the Strings: 1 Broken 'the Jack Flange of the wippen: Replace or repair the damaged flange. 2 Loose or Missing Jack Screw/Pin: Reinsert or tighten the screw/pin that secures the jack to the wippen. 3 Detached Jac...
by maxim_tuner
23 Feb 2024, 08:34
Forum: Piano Advice
Topic: Upright piano a key don't hit the string most of a time when a dampening pedal is on. How fix it DIY
Replies: 0
Views: 107

Upright piano a key don't hit the string most of a time when a dampening pedal is on. How fix it DIY

https://youtu.be/dRs_98FBrmY In the provided video has excessive high 'the let-off' of the upright piano results in weak hammer strikes on the strings when the soft pedal/dampening pedal is engaged there. To address this issue through a do-it-yourself (DIY) approach, follow the steps below: Problem ...
by maxim_tuner
21 Feb 2024, 06:27
Forum: Piano Advice
Topic: Hammer not contacting string if adjacent note is pressed
Replies: 9
Views: 450

Re: Hammer not contacting string if adjacent note is pressed

  • Bechstein model № 4 hammers hitting dampers TOO!

https://youtu.be/cmyjjIHLXwE
  • Bechstein used an unusual hammer felt shape on these pianos. AND if me nees it's solve I would be shaves off the bottom corner of the hammer felt where it’s touching the damper head soon thing .
regards, Max
by maxim_tuner
20 Feb 2024, 17:22
Forum: Piano Advice
Topic: Hammer not contacting string if adjacent note is pressed
Replies: 9
Views: 450

Re: Hammer not contacting string if adjacent note is pressed

Bechstein model 7 postscript: hammers hitting dampers! [/b] https://youtu.be/Nc4YXqDogbE?si=8JprBY8XxNja_-91 Probably many upright piano 'BECHSTEIN' has the design flaw where the hammer is not hitting the strings if the adjacent note to the left already pressed. It's technologic defect ( flaw). I t...
by maxim_tuner
20 Feb 2024, 06:51
Forum: Piano Advice
Topic: Hammer not contacting string if adjacent note is pressed
Replies: 9
Views: 450

Re: Hammer not contacting string if adjacent note is pressed

Max is glad that we were able to understand and identify the issue with the hammer not contacting the string when an adjacent key is pressed. We hope that the situation will improve soon, and the hammer will interact correctly with the string during play. I dare to assume that you can fix this your...
by maxim_tuner
19 Feb 2024, 13:42
Forum: Piano Advice
Topic: Hammer not contacting string if adjacent note is pressed
Replies: 9
Views: 450

Re: Hammer not contacting string if adjacent note is pressed

When a key is already pressed and held down, and a neighboring key is subsequently pressed, the hammer of the latter key may fail to strike the strings. This issue could be due to 'the damper felt head' of the first key (E flat) fully open, causing 'the damper felt head' of the second key (E) to bu...
by maxim_tuner
19 Feb 2024, 06:37
Forum: Piano Advice
Topic: Hammer not contacting string if adjacent note is pressed
Replies: 9
Views: 450

Re: Hammer not contacting string if adjacent note is pressed

The Hammer jamming into adjacent note lifted damper?
by maxim_tuner
17 Feb 2024, 08:53
Forum: Piano Advice
Topic: Why does the hammer of the upright piano swing hard during movement? How can it be fixed DIY?
Replies: 0
Views: 135

Why does the hammer of the upright piano swing hard during movement? How can it be fixed DIY?

https://youtu.be/KOycw7zsEvg In the provided video, it is evident that 'the hammer of the upright piano' is excessively loose, causing it to swing from side to side when the piano key is pressed. This technical issue is unacceptable as it hinders the pianist from fully expressing their musical abili...
by maxim_tuner
16 Feb 2024, 11:15
Forum: Piano Advice
Topic: Why upright piano keys stuck. How fix it DIY
Replies: 0
Views: 137

Why upright piano keys stuck. How fix it DIY

https://youtu.be/AKSgi1y1i04 The pins ('The front rail key pin' and 'The balance rail key pin') that hold the upright piano keys in place may become loose or worn out over time, causing the keys to stick or not function properly, as shown in this video. 1 Debris, such as coins, buttons, or matches, ...
by maxim_tuner
14 Feb 2024, 09:15
Forum: Piano Advice
Topic: WHY the keys of an upright piano (B5, H5) are not functioning?
Replies: 0
Views: 189

WHY the keys of an upright piano (B5, H5) are not functioning?

WHY the keys of an upright piano (B5, H5) are not functioning? A reason for the detached 'the jack' from 'the wippen' is the most likely there. https://youtu.be/pgEsYQgooLw In this video, I observed and noticed that there is an obstruction between 'the jack of 'the wippen upright piano' and itself ...
by maxim_tuner
12 Feb 2024, 06:47
Forum: Piano Advice
Topic: The hammer of the key (F4) of the upright piano has weak hit to the string every other time. How do fix key's hammer the
Replies: 0
Views: 178

The hammer of the key (F4) of the upright piano has weak hit to the string every other time. How do fix key's hammer the

https://youtu.be/sbEQAgw5r3M There are several reasons don't we hearing sound there: The reason is not in the key there, but in the hammer I'm think. But I'm inclined to believe that the reason is either that the 'the wippen of the jack' is not active there, or 'the hammer butt' of the hammer does n...
by maxim_tuner
09 Feb 2024, 13:45
Forum: Piano Advice
Topic: WHY one piano note sound short?
Replies: 0
Views: 145

WHY one piano note sound short?

https://youtu.be/GJNQ2ZAlwW0 Small problem with one note of the upright piano not ringing/resonating well. It has weak short sound because it's damper head has bad short move from strings there. Introduction: In a video, it was observed that when pressing the one of the key when is pressed, the soun...
by maxim_tuner
08 Feb 2024, 07:14
Forum: Piano Advice
Topic: WHY the hammer of the Upright Piano is Bobbling there? Fix it’s yourself.
Replies: 0
Views: 163

WHY the hammer of the Upright Piano is Bobbling there? Fix it’s yourself.

https://youtu.be/RdfTC1mXm4Q In this video the note plays twice when hit and the green part (the green felt) called 'the backcheck of the wippen' upright piano contacting the hammer rebounds off there. 'The the backcheck of the wippen' must catching 'the butt catcher of the hammer' after it's the ha...
by maxim_tuner
07 Feb 2024, 11:29
Forum: Piano Advice
Topic: Why the UPRIGHT PIANO HAMMER not hitting string there? Because the tuning wedge inside
Replies: 0
Views: 165

Why the UPRIGHT PIANO HAMMER not hitting string there? Because the tuning wedge inside

Why the UPRIGHT PIANO HAMMER not hitting string there? Because the tuning wedge inside in ('the action of the upright piano') was there. https://youtu.be/T7Ynv2g_vLw Hi! Is there any way to fix hammers that arent striking the strings by my self? We recently got to borrow an old piano for our daught...
by maxim_tuner
01 Feb 2024, 07:32
Forum: Piano Advice
Topic: Why the hammer of the upright piano not recoiling as quickly when sustain pedal is depressed there?
Replies: 0
Views: 165

Why the hammer of the upright piano not recoiling as quickly when sustain pedal is depressed there?

https://youtube.com/shorts/J6Ov4KXTvH8? ... FTXtOaS3XW
  • Would be the hammer butt flange needs eased a bit?
    OR bridle looks way loose there?
    OR need regulation 'the backcheck'?
    OR What may be thing more cause there?
by maxim_tuner
25 Jan 2024, 05:50
Forum: Piano Advice
Topic: Hammer of an upright piano has loose the 'flange screw'. (A4) key has a lot of play. How fix it DIY.
Replies: 0
Views: 184

Hammer of an upright piano has loose the 'flange screw'. (A4) key has a lot of play. How fix it DIY.

The hammer of the upright piano has loose the 'flange screw'. https://youtu.be/s_VyisPFbWM he (A4) key has weird sound there. How fix it DIY. Need take the right kind of screwdriver to got the 'flange screw' tightened up there only. Here's how to fix it: 1 Open the topmost cover of your upright pia...
by maxim_tuner
20 Jan 2024, 13:18
Forum: Piano Advice
Topic: If the string of the upright piano is not fully muted after the hammer strikes it.
Replies: 0
Views: 368

If the string of the upright piano is not fully muted after the hammer strikes it.

https://youtube.com/shorts/W61MShH7AbU?si=1QN5BOS5-pXQnMct Adjusting the Damper for Better Upright Piano Sound. In the video, we hears that 'the damper felt head' is not aligned correctly with the string it is supposed to dampen or 'the damper felt' is bad condition there. If your piano's damper is ...
by maxim_tuner
18 Jan 2024, 05:47
Forum: Piano Advice
Topic: Why does the hammer of the upright piano not strike the strings due to weak pressing to the key?
Replies: 0
Views: 478

Why does the hammer of the upright piano not strike the strings due to weak pressing to the key?

https://youtu.be/W672nbXlnCo?si=MLlTyVsSpeG8jSJ4 On most uprights, the hammer only goes to about 3 mm from the string while it is pushed by the jack. The let-off buttons are used to adjust that. The easiest way to do that is to get some strong magnets, and use them to hold a piece of wood 3 mm thick...
by maxim_tuner
30 Dec 2023, 12:52
Forum: Piano Advice
Topic: Why does the (F3) key on an upright piano produce a short sound when pressed?
Replies: 0
Views: 1047

Why does the (F3) key on an upright piano produce a short sound when pressed?

https://youtube.com/shorts/cdp3SWx-Dxc?si=QTTpO_vklnrvwMLO Introduction: In a video, it was observed that when pressing the keys F#3 and G3 on an upright piano, the sound is sustained. However, when the F3 key is pressed, the sound is very short. Additionally, it was noticed that 'the head of the d...
by maxim_tuner
26 Dec 2023, 12:00
Forum: Piano Advice
Topic: The hammer of the upright piano has loose the 'flange screw'. The (E4) key has weird sound there.
Replies: 0
Views: 1033

The hammer of the upright piano has loose the 'flange screw'. The (E4) key has weird sound there.

https://youtube.com/shorts/E24qryDOeuE?si=VTs47snr27wH-DNP The hammer of the upright piano has loose the 'flange screw'. The (E4) key has weird sound there. How fix it DIY. Need take the right kind of screwdriver to got the 'flange screw' tightened up there only. Here's how to fix it: 1 Open the top...
by maxim_tuner
20 Dec 2023, 08:20
Forum: Piano Advice
Topic: May Christmas swiftly grace our abode,
Replies: 0
Views: 1054

May Christmas swiftly grace our abode,

https://youtu.be/PhEXe0Gc33g May Christmas swiftly grace our abode, May Santa's reindeer never disappoint. Softly, the snowflakes gracefully fall, Filled stockings, rejoice in Christmas gifts. This year, Max shared wisdom profound, Guiding us on fixing piano keys. May pianos melodiously play in the ...
by maxim_tuner
13 Dec 2023, 08:50
Forum: Piano Advice
Topic: Why is the black key (C#3) stuck on the upright piano and how to fix it DIY.
Replies: 0
Views: 1094

Why is the black key (C#3) stuck on the upright piano and how to fix it DIY.

https://youtube.com/shorts/aXH_Utq5aao?si=7_Y22QVdlFn0D79O 'The front rail key pin' (C#) is not properly aligned. Each 'the front rail key pin' has a thread that allows it to be regulated. Sometimes, during the production of the upright piano, the top of 'the front rail key pin' is not centered in t...
by maxim_tuner
10 Dec 2023, 12:26
Forum: Piano Advice
Topic: Max's consultation. Maladjusted the 'let-off' (E5) of the upright piano. How to DIY fix it.
Replies: 0
Views: 1067

Max's consultation. Maladjusted the 'let-off' (E5) of the upright piano. How to DIY fix it.

https://youtu.be/IVGlg1htNBk?si=KyaPIy9JAYRoMLqq In the upright piano's action, the 'let-off' is positioned on the 'let-off rail' (a wooden plank) above the heel of the 'jack of wippen.' Its purpose is to regulate the 'let-off' parameter, defining the moment the 'jack of wippen' disengages from unde...
by maxim_tuner
05 Dec 2023, 15:03
Forum: Piano Advice
Topic: Upright piano (F) and (G) keys don't hit the string most of the time when a dampening pedal is on.
Replies: 0
Views: 1057

Upright piano (F) and (G) keys don't hit the string most of the time when a dampening pedal is on.

https://youtu.be/Qk_s_mcSSfc?si=tDEXdhsDPQ8sFoUl In the provided video has excessive high 'the let-off' of the upright piano results in weak hammer strikes on the strings when the soft pedal/dampening pedal is engaged there. To address this issue through a do-it-yourself (DIY) approach, follow the s...
by maxim_tuner
04 Dec 2023, 08:43
Forum: Piano Advice
Topic: 'The whippen flange' of the upright piano is loose. How can I fix it myself?
Replies: 1
Views: 371

'The whippen flange' of the upright piano is loose. How can I fix it myself?

https://youtu.be/p-WR_R3IoI4?si=Q9hheOd8oX-R3zWn In this video, we can see the loose screw on 'the whippen flange' or where it was loose. Here is how to fix it yourself: 1 Remove the action from the upright piano. 2 On the reverse side of the action, locate 'the loose whippen flange'. Use a screwdri...
by maxim_tuner
02 Dec 2023, 12:47
Forum: Piano Advice
Topic: Why is the black key (F#) stuck on the upright piano and how to fix it DIY.
Replies: 0
Views: 1060

Why is the black key (F#) stuck on the upright piano and how to fix it DIY.

https://youtu.be/yqBH4F-2RxY?si=Yj0JHvIxdFqthDIY 'The front rail key pin' (F#) is not properly aligned. Each 'the front rail key pin' has a thread that allows it to be regulated. Sometimes, during the production of the upright piano, the top of 'the front rail key pin' is not centered in the specifi...
by maxim_tuner
30 Nov 2023, 06:25
Forum: Piano Advice
Topic: Slack keys in a Schiedmayer & Shoene model 15
Replies: 4
Views: 577

Re: Slack keys in a Schiedmayer & Shoene model 15

I glad that it's video woud be your educate I think that a technician, having removed the action from the piano, will be able to objectively assess the scale of the fixive work there. I would like to believe that him ( her) will not have to replace the parts of the action frand piano, but only remov...
by maxim_tuner
30 Nov 2023, 06:24
Forum: Piano Advice
Topic: Slack keys in a Schiedmayer & Shoene model 15
Replies: 4
Views: 577

Re: Slack keys in a Schiedmayer & Shoene model 15

I glad that it's video woud be your educate I think that a technician, having removed the action from the piano, will be able to objectively assess the scale of the fixive work there. I would like to believe that him ( her) will not have to replace the parts of the action frand piano, but only remov...
by maxim_tuner
29 Nov 2023, 09:48
Forum: Piano Advice
Topic: Slack keys in a Schiedmayer & Shoene model 15
Replies: 4
Views: 577

Re: Slack keys in a Schiedmayer & Shoene model 15

HI, Amaia It is necessary to regulation 'the action' of grand piano there. Maybe a technician can do something to fix it. The fact that 'the hammer' does not hit the string with normal force when you press the key very lightly (pianissimo) is probably due to significant wear on the felt 'the hammer ...
by maxim_tuner
24 Nov 2023, 14:55
Forum: Piano Advice
Topic: Why buzzing noise sound the bass string of the upright piano. It's impossible to fix.
Replies: 0
Views: 1088

Why buzzing noise sound the bass string of the upright piano. It's impossible to fix.

Very often situations arise when one of the 2 strings of one piano key makes a buzzing noise. Why is this happening here? Is it possible to fix this? Unfortunately, when a copper bass string winding is lost, there is no way to fix it there. We need to remove this string from the upright piano. Repl...
by maxim_tuner
22 Nov 2023, 11:05
Forum: Piano Advice
Topic: Why is one key pressed on the upright piano only, while a whole dozen sound there?
Replies: 0
Views: 1098

Why is one key pressed on the upright piano only, while a whole dozen sound there?

https://youtu.be/fhGgFna-tmg I n this video where the pencil got stuck over the key bed of the piano, causing multiple keys to produce sound instead of just one. To resolve this issue, follow these steps: 1 Remove 'the upper front board' (you do find that there's going to be two little clips on eirt...
by maxim_tuner
21 Nov 2023, 14:53
Forum: Piano Advice
Topic: The upright piano key (D#) is stuck tightly in 'the front rail pin'. How to fix it DIY.
Replies: 0
Views: 1083

The upright piano key (D#) is stuck tightly in 'the front rail pin'. How to fix it DIY.

The balance rail key pin' was lightly shifted to the right as well. Sometimes, since the production of the upright piano, the balance rail key pin has not been centered to the specified position, causing a slight offset. As a result, when a key is pressed, the balance pin gets wedged against the cl...
by maxim_tuner
15 Nov 2023, 10:28
Forum: Piano Advice
Topic: The upright piano hammer is clicking sound.
Replies: 0
Views: 1093

The upright piano hammer is clicking sound.

The upright piano hammer is clicking sound.The small felt RED cushion was lose there. How fix it DIY https://youtu.be/8Sp_2yIQILc?si=i8tzeUwJQE7CVtJd Yes, indeed, under 'the butt of the hammer' there is a small wood protrusion on which a small piece of fabric( the small felt RED cushion ) is glued ...
by maxim_tuner
08 Nov 2023, 07:27
Forum: Piano Advice
Topic: Why the strings buzz in the grand piano? How fix it DIY there?
Replies: 0
Views: 1102

Why the strings buzz in the grand piano? How fix it DIY there?

Instructions for Identifying the Cause of Buzzing and Finding a Solution to the Buzzing Strings (B and H) on the Grand Piano: https://youtu.be/0YtK9367R4Q?si=msLUTWWy3QbToR1H Start by checking if there is any displacement of 'the damper wire' towards the sounding string. If the (H) string does star...
by maxim_tuner
29 Oct 2023, 08:16
Forum: Piano Advice
Topic: Why it's sound of the upright piano is Ugle? How fix the 'Let-off Button'
Replies: 0
Views: 1129

Why it's sound of the upright piano is Ugle? How fix the 'Let-off Button'

Why it's sound of the upright piano is Ugle? How fix the 'Let-off Button' https://youtu.be/-obUODir95I Description: 'The let-off', an essential component of the piano mechanism, is the point at which the hammer disengages from 'the jack of the upright piano and flies freely to strike the strings. I...
by maxim_tuner
27 Oct 2023, 15:33
Forum: Piano Advice
Topic: Unsure which piano tuner to use
Replies: 3
Views: 527

Re: Unsure which piano tuner to use

'trying is not torture'
Sometimes even an experienced the piano technician can ignore obvious things there. Perhaps you could fix it yourself. But if you don’t have time, then it’s your right and your choice,
Good luck,
by maxim_tuner
27 Oct 2023, 04:40
Forum: Piano Advice
Topic: Unsure which piano tuner to use
Replies: 3
Views: 527

Re: Unsure which piano tuner to use

I don’t think that the problem of several keys yours upright cannot be solved here on your own. I would advise you to find the difference between 'a good' working key and 'a bad' one there. The solution will be simple. The main thing is to find the difference. Most often these are kinematic work th...
by maxim_tuner
23 Oct 2023, 14:05
Forum: Piano Advice
Topic: The grand piano strings are not being fully muted
Replies: 0
Views: 1140

The grand piano strings are not being fully muted

https://youtu.be/BLlBkFp_zx0 In the video, we can see and hear that after striking the string with the hammer, the damper does not completely mute the sound coming from the strings. The damper mechanism consists of a felt wedge that should tightly wedge between two strings there, falling on one unis...
by maxim_tuner
19 Oct 2023, 11:03
Forum: Piano Advice
Topic: Why Doesn't the Hammer Strike a Strings? 'An jack of a wippen' (C#3) isn't works
Replies: 0
Views: 1267

Why Doesn't the Hammer Strike a Strings? 'An jack of a wippen' (C#3) isn't works

https://youtu.be/FPMQz0DVhYk Why Doesn't the Upright Piano Hammer Strike the Strings? 'The jack of the wippen' the upright piano (C#3) isn't functioning. How to Fix It DIY. There are several reasons don't we hearing sound there: The reason is not in the key there, but in the hammer I'm think. But I'...
by maxim_tuner
15 Oct 2023, 14:23
Forum: Piano Advice
Topic: Why stuck the key of the upright piano? How fix it DIY.
Replies: 0
Views: 1168

Why stuck the key of the upright piano? How fix it DIY.

On this video, we clearly see that one of the keys is sticking. What is the reason? If you look closely here, you can see that there is a very small gap between this key and its neighboring key located to the right of it compared to the gaps between the other keys. Therefore, when we press this sti...
by maxim_tuner
11 Oct 2023, 15:24
Forum: Piano Advice
Topic: Why Doesn't an Upright Piano's Hammer Strike Strings? 'An Jack of a Wippen' (F2) isn't functioning.
Replies: 0
Views: 1193

Why Doesn't an Upright Piano's Hammer Strike Strings? 'An Jack of a Wippen' (F2) isn't functioning.

On the video, it is very clear that 'the jack of the wippen' the upright piano (F2) is not functioning. 'The wippen' itself is clearly offset to 'the jack' right. Its 'the jack' has detached from the wippen there. Why can we assume this? The reason is that when the (E2) hammer strikes the strings a...
by maxim_tuner
11 Oct 2023, 05:12
Forum: Piano Advice
Topic: A position of a tuning pins piano unacceptable there
Replies: 0
Views: 1175

A position of a tuning pins piano unacceptable there

A position of a tuning pins upright piano Soviet-era 'Komitas' relative to each other unacceptable there. In this video, we can clearly see that the holes in the iron plate 'the metal frame' for the piano pins are misaligned with each other. This position of the tuning pins relative to each other u...