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MK4S X-axis slack  

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DrMoon
(@drmoon)
Member
MK4S X-axis slack

IMG_3132

Hello, my MK4S (purchased assembled on 2/2/2025) has a slack on the right side of the X-axis. I can move it 0.4mm upwards. The left side has no slack. Can I adjust this somewhere? Rgrds, Luc

Posted : 21/04/2025 2:54 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
RE: MK4S X-axis slack

Hi Luc, 
is there anything lose on the Right side ? 
maybe screws in the right hand Z axis Pom Nut, screws?
Maybe SLACK within the right hand Z axis POM Nut (Poor screw thread machining in the Pom Nut

Maybe slack in the Right hand Z axis motor spindle (Lead Screw)
Maybe loose screws holding the right Z motor or motor bracket?

 

regards Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility.Location Halifax UK

Posted : 21/04/2025 7:21 pm
DrMoon
(@drmoon)
Member
Topic starter answered:
RE: MK4S X-axis slack

Hi Joan, thanks for the quick response. Your indicated possible problem areas mean nothing to me at all. I bought a ready-made MK4S from Prusa, hence my very poor knowledge of the parts. I'm going to download the assembly manual first and find out how everything works and works together. Then I'll reread your suggestions. Greetings, Luc

Posted : 22/04/2025 2:25 pm
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