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 Post subject: Head Swap Advice for WD307AA
PostPosted: February 14th, 2018, 19:45 
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Joined: June 11th, 2013, 17:01
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Location: USA
I have one of these 20 year old drive drives for recovery. I did have a donor, but didn't do a good job removing the heads so wanted some advice before attempting another swap.

This issue is that I cannot remove the black plastic stop under the VC with the heads in place (lower left). The heads do not come off the platter before the upper part of the stop hits the head. The stop can be rocked downwards allowing the heads to pass, but it puts a strain on the heads so they do not come off the platter cleanly. The lower VC can't be removed for the same reason.

What am i missing here.... :shock:


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 Post subject: Re: Head Swap Advice for WD307AA
PostPosted: February 14th, 2018, 22:53 
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Joined: February 9th, 2009, 16:13
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Location: Ontario, Canada
Remove the plastic stopper, then remove the heads.

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 Post subject: Re: Head Swap Advice for WD307AA
PostPosted: February 15th, 2018, 12:59 
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lcoughey wrote:
Remove the plastic stopper, then remove the heads.

From my testing on the first donor, the plastic stopper cannot be removed while the head is on the platter, there is just no room. Bit of a catch 22 situation.

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 Post subject: Re: Head Swap Advice for WD307AA
PostPosted: February 16th, 2018, 16:07 
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Joined: June 23rd, 2008, 11:26
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You can try wiggling the stopper out from under the VC. But I remember working on these in the past and I was taught to just push the end of the stop down and slide them out. It helps if you have a third hand.


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 Post subject: Re: Head Swap Advice for WD307AA
PostPosted: February 16th, 2018, 16:19 
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Cleanroom wrote:
You can try wiggling the stopper out from under the VC. But I remember working on these in the past and I was taught to just push the end of the stop down and slide them out. It helps if you have a third hand.

You can't remove the stopper with the heads in place. There is a spigot that goes into the lower voice coil and a 'wing' that goes under the head coil so it cannot be removed. Pushing down on the one side of the stopper does look like its the only way. A bit ugly but I've had worse...

Thanks for the help all.

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 Post subject: Re: Head Swap Advice for WD307AA
PostPosted: February 16th, 2018, 19:27 
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Joined: August 9th, 2007, 8:40
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You nailed it, push down on the side nearest the platter.

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