Any ideas on how to cool this?

[Tony Shelton]

This 24v motor on the lift starts to slow down at 105 degrees and will barely work at all when the ambient temp gets over 108-110 degrees.

Any ideas on ways to cool it?

 

[tomtucson]

I saw some glue on heat sink fins, with a good sized fan, might work

http://www.amazon.com/Arctic-Cooling-VR001-Heat-Sink/dp/B0047V63R2
http://www.amazon.com/Motor-Heatsink-Cooling-Fan-Blue/dp/B000G6D9U6

must be something a little stouter along those lines

 

[Tony Shelton]

That does sound better than my "bag of ice" idea.

 

[Kemp]

Is it on it's way to a slow death? Might just need to replace it. Also check the power connections. Poor connection equals heat.

 

[Guy Blackmon]

When was the last time you changed the batteries Tony? Low amp draw could be causing high motor temp.

 

[Tony Shelton]

This motor is about a year old. All the wiring is huge and they are clean. I have eight batteries instead of four.

It only happens at high temps. The former motor experienced this high temp thing for two Sumner's before it gave out.

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[Tony Shelton]

Batteries are less than a year old

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[Kory]

Get a metal coil and wrap the motor and run cool water either prior to pump or after and before the heater.

 

[apple]

That does sound better than my "bag of ice" idea.

Well, I thought that was a good idea...

 

[Paul Kassander]

I was thinking like kory, get some copper and wrap the motor as tight as you can and circulate cold water through it. I bet the ice bag would work good too, especially if you only need it once in a while.

 

[Tony Shelton]

It gets so hot I think it would melt a plastic bag

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[Paul Kassander]

Use a mesh bag to protect the plastic. When the ice melts the water should keep the bag from melting unless it boils. You could use a canvas bag that you waterprof like the army does for the water points. You should remember those from your military days.

 

[BlueBliss]

I like the heat sinks, but all that can do is dissipate the heat...how hot is it usually on the job site? Make friends with a dry ice supplier!

 

[Christopher]

Here is an idea, not sure how long it would work but it is just an idea.

Get an ice chest like a 48qt. or larger. Plumb an inlet and outlet into it and get a small gpm delevan or shurflo or flojet pump.

Get some copper tubing to wrap around the motor and put fittings there at the motor so this can be disconnected easily without having an ordeal to work on the system.

Plumb some hose from the ice chest to the pump to the coil and back. Fill the ice chest 1/4 with water and the rest with ice, maybe some rock salt to help keep the ice cold. Run the pump when it starts getting hotter in the day.

Maybe the cold water circulating around the motor will help keep it cooler but there will be condensation there at the motor which might lead to other issues like possible rust, algae or mold.

Not sure how long the ice will last but as long as the water is cool, it might help.

I don't think it would cost too much to give this a try.

You would probably have to empty some water and add ice a couple times a day or more.

With the pump running, it would have to be connected to a good battery or rig it up to your remote so you can turn it off when working.

If you had a small refrigeration unit to help keep the water cold, you could have cold water all the time but that is more work and more cost involved.

Just an idea.