Klipper M140 Stringing Instruction

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Dear BCBF Members,

Many beginner asked about stringing instruction on how to use staring pin method. Since I am helping Klipper USA on writing a instruction for their Badminton machine (M140) I would like to share it with you all. Any helpful advice are welcome.

Picture 1
Starting pin made out of left over string and key ring. (thanks to our wonderful member LazzyBuddy for coming up with this idea)

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Picture 2
Klipper M140 machine basic setup. Most of desk top drop weight machine has this basic setup

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Picture 3
Thing to watch out. For most of the machine using wing nuts to secure the post, there might be some give on the top. So please push the top of the post in and tighten the wing nuts to ensure the post is secured and will not move during stringing.

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Picture 4
After measured and cut the main string, insert the string through top 2 grommets on (A1). Then insert string through the first grommet near the throat (B1). Pull both end tight and even.
Note: I use Yonex naming term
A1=1st grommet from the top. A2=2nd grommet from the top. etc
B1=1st grommet from the throat. B2=2nd grommet from the throat. etc

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Picture 5
Clamp the strings from the top.
Note: The clamp in use here is a generic HiQua clamp without paint.

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Picture 6
Insert starting pin into B2 grommet.

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Picture 7
Pull starting pin in so the key ring is against the grommet.

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Picture 8
Mount string to the tensioning head. You might want to push the string down to secure the string on the tensioning head and get close to the right position on the fist pull. Adjust string on the tension head after first pull to get the right tension pull

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Picture 9
After string is tension to the right tension, pull the starting pin string straight. Clamp the tensioned string and the starting pin.

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Picture 9
the first string is tensioned with 2 clamps.
Note: I am using 2 clamps in this instruction because Klipper USA is including 2 fly clamps with their machine. I usually use 3 clamps and Sir DinkALot uses 4 Clamps in his instruction video.

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Picture 10
Tension the other string 1st and move the head clamp to secure both tensioned strings.

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Picture 11
Insert string through B2 to A2 and tension the string.

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Picture 12
Move the clamp to secure the tensioned string 1 and 2.

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Picture 13
Tension the string A1 next to the starting pin to the right tension.

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Picture 14
Release the clamp and remove the starting pin. Move clamp over to the 2 center string. Now you have started first 3 strings.

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Picture 15
Insert string from B2 to A2 and tension the string.

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Picture 16
Move clamp to secure the strings that just tensioned.