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Penetrant Testing Cylinder Head For Cracks
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- Опубліковано 14 сер 2024
- This is part of my NonDestructive Testing Series of videos on testing parts on your car for cracks and serviceability. This video covers Dye Penetrant testing of a cylinder head for cracks. Many of you heard it called Zyglo or even mixed up with Magnaflux testing. I show you the real way to do it.
#mopar #penetranttesting #cracks #magnaflux #crackedcylinderhead #crackedhead #zyglow #nondestructivetesting
Bob, absolutely NOT. Do not wire brush aluminum. What happened is it smears over the metal and covers and seals cracks. The only way would be to chemically clean it or hot tank it. Afterwards clean really good with cleaner prior to applying the penetrant.
Nicely done. I have a dye pen kit on the way and this will be helpful. Scott
Glad to help, if you have any questions along the way just let me know
@@mikesmopargarage4734 Will do, thanks!
Invaluable. Thank you!
Thank you, glad you enjoyed video.
Great video!! Question, on the die showing around valve seat. Crack or normal mating service for seat?
Thank you for the comments. Since the seat is press fit, there is a "gap" at the joint. The die is drawn into the "gap" and then bleeds out. You really have to pay attention to make sure small cracks don't radiate from the seat and masked by the large bleed out.
I have a black motorcycle frame. How do I perform this test on a black colored product that needs to be checked for cracks?
With this method all the plaint must be removed in the suspected area. Has to be bare metal. If not, the dye will absorb into the paint and be impossible to clean off. Also will promote corrosion. Do not sand it off, you need to use a chemical stripper then clean the area thoroughly before applying the dye.
If the frame is carbon steel and you can't or won't remove the paint, then a more applicable method would be Magnetic Particle (Magnaflux). It can find the cracks through paint. See my other video, " Magnetic Particle Cylinder Head for Cracks"
@@mikesmopargarage4734 will try this. Thanks. I was also looking for florescent dye
You wanna see cracks find the big caterpillar 3406/3406E/c15/c13 heads on trucks😮
Hi Mike can you get me the product part numbers of the different cans of the Zyglo so I can buy and try this on my aluminum cylinder head that may have a hair line crack.
Thanks for posting this great video
Russ
Magnaflux SKL-SP2 Visible Penetrant
Magnaflux SKC-2 Cleaner
Magnaflux SKD-S2 Developer
All are available at Grainger or even Ebay or Amazon.
@@mikesmopargarage4734 Thank You
What about the rest of that red? did you not clean it well enough?
Two reasons. The valve seat is pressed in, the penetrant is coming out of the joint. Its impossible to clean it all as it just keeps coming out. Second, for purpose of the video I knew where the crack was at so I concentrated on that area.
Bob, please repost your comment. My fat fingers hit wrong button and deleted it. Sorry !
Nice pearly whites.. definitely not a crackhead.😆
Were can I find that product
Granger sells it. Online too.
Too much talk man