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Question:

Needle valve hot runner Road, needle valve does not move, what are the reasons?

Needle valve hot runner Road, needle valve does not move, what are the reasons?

Answer:

Then heat the drain plate and remove the needle from the distributor with the needle sleeve. Then the muskets firing valve needle sleeve, the glue burn clean, it can take out the needle valve. Hope to help you.
This has happened to me, too. There's no other way but to take the panel apart and take the splitter plate and the valve pin together with the needle sleeve.
You pull the valve needle, because the needle is too tight, the head of the needle pulled out of it.

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