Author Topic: HAKKO FR300 220V Motor Specification  (Read 767 times)

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Offline PasanTopic starter

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HAKKO FR300 220V Motor Specification
« on: September 21, 2021, 01:47:13 pm »
Model: HAKKO FR300 220V Motor Specification
Issue: Magic smoke escaped.

I am trying to find a specification for this motor.

I also did a bit of reverse engineering for the motor circuit and it's attached below.

Hakko has all the replacement parts except the motor ???
« Last Edit: September 22, 2021, 05:28:16 am by Pasan »
 

Offline fzabkar

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Re: HAKKO FR300 220V Motor Specification
« Reply #1 on: September 21, 2021, 10:06:58 pm »
The bridge rectifier (S1WB) on the endcap PCB would suggest that the motor is actually a DC type.
 

Offline james_s

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Re: HAKKO FR300 220V Motor Specification
« Reply #2 on: September 22, 2021, 01:45:36 am »
This much is obvious, it's clearly a permanent magnet DC motor. It could potentially be 220V although I suspect it is lower. A lot of hair dryers use a tap in the heating element to power a low voltage motor through a diode, I don't know whether Hakko does the same. Odd that they don't carry a replacement motor.
 

Offline fzabkar

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Re: HAKKO FR300 220V Motor Specification
« Reply #3 on: September 22, 2021, 02:54:57 am »
 

Offline james_s

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Re: HAKKO FR300 220V Motor Specification
« Reply #4 on: September 22, 2021, 04:31:49 am »
Isn't this what you want? https://www.hakko.co.uk/product/699-032678-motor-for-the-fr-300/

The picture doesn't look right but it does say it's for illustrative purposes only.
 
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Offline PasanTopic starter

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Re: HAKKO FR300 220V Motor Specification
« Reply #5 on: September 22, 2021, 05:31:15 am »
Yes, it's a DC motor and has its own circuitry apart from the heating element section.
I've done a bit of reverse engineering and the schematic is attached.
 

Offline BrokenYugo

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Re: HAKKO FR300 220V Motor Specification
« Reply #6 on: September 23, 2021, 12:58:17 am »
Have you tried contacting Hakko?

I'd open it up, worst case you can probably rewind it.
 

Offline james_s

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Re: HAKKO FR300 220V Motor Specification
« Reply #7 on: September 23, 2021, 01:54:46 am »
Most of the time when I've had brushed DC motors fail it was the brushes or commutator that burned up but it's certainly worth opening it to look.
 


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