Laguna IQ Spindle Cooling

Laguna IQ Spindle Cooling

Postby jib2 » Fri Nov 29, 2019 2:01 pm

Can someone help me understand what may be going on with the spindle cooling system.

Pump is working
Lines to the spindle are clear (No Obstructions)
Pump will pump coolant to the spindle easily.
Coolant will not pump through the spindle (I'm not sure how this is suppose to work)

Can the machine be run without coolant on?
How does the coolant flow through the spindle? (Does it do this only when the spindle is running or when it starts to heat up?)
I'm not sure how long this has been going on but the spindle has never gotten excessively hot.

Any help would be greatly appreciated
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Re: Laguna IQ Spindle Cooling

Postby wb9tpg » Fri Nov 29, 2019 3:44 pm

They can get gunk in them and form a sludge. See if you dislodge it with compressed air.

Were you using regular water of RV Antifreeze as your coolant?
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Re: Laguna IQ Spindle Cooling

Postby jib2 » Fri Nov 29, 2019 8:18 pm

RV Anti Freeze as it is in my shop and the heat is not on all the time in the Winter. Turn the heat on when I'm working out there.

I thought about trying to blow compressed air through it but did not know if I would damage anything.

I assume that the coolant is sealed inside the spindle but I'm not completely sure how it works

Thanks
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Re: Laguna IQ Spindle Cooling

Postby highpockets » Fri Nov 29, 2019 9:40 pm

John
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Re: Laguna IQ Spindle Cooling

Postby jib2 » Fri Nov 29, 2019 10:17 pm

All fixed up. I connected a small piece of hose to the in let on the spindle and could not force any air through so I used some small wire air brush cleaners to go in and it worked. Loosened up some junk and then put the compressed air to it again and it blew junk out of the spindle. Hooked it back up to the pump and it is pumping like a champ once again.

Thank you to you all for your help it is much appreciated for sure.
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Re: Laguna IQ Spindle Cooling

Postby highpockets » Fri Nov 29, 2019 10:42 pm

Glad you got it working.

I'm curious as to how you got a crud build up... Have you always run antifreeze?
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Re: Laguna IQ Spindle Cooling

Postby jib2 » Sat Nov 30, 2019 1:37 pm

I have always run RV anti-freeze which is what I was told to run by Laguna. However, I was lax in changing it on a regular schedule to keep it clean as I think it breaks down over time. When I took a look at it in the coolant container it had an clear glob of scum that looked like some type of floating scum. (Very nasty) In addition, I discovered that the hose connection to the out going side of the pump was missing the rubber seal. Which I think dissolved from the anti-freeze and may have been pumped into the spindle over time. Once in the spindle and the pump not working properly as the connection finally disconnected causing the material to sit in the pump and harden clogging it up. (not sure about this but it is what I suspect may have happened)

On the pump I fixed it by elimination the rubber seals and replaced connection components with brass fittings.
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