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Starter installation on Wren motors - 12/15/2011 3:13 PM   
Wren Turbines USA


 

Posts: 1272
Joined: 1/29/2003
Last Login: 5/21/2013
From: Decatur, IN, USA
Status: online 		Here is a quick tutorial for reinstalling your starter in the Wren FOD

Install starter and press until the bendix rests on the front of the compressor nut.

Using a scribe, mark the body of the starter.

Pull starter out 1.5 mm and lightly tighten the 3 grub screws, using blue loctite.

When performing this on a motor that has had the starter removed several times, rotate the body of the starter so that the 3 grub screws tighten in a new location.


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Ron Ballard/Wren Turbines USA
http://www.wrenturbines.co.uk/usa/

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RE: Starter installation on Wren motors - 12/28/2011 10:12 PM   
Eddie P



Posts: 1606
Joined: 2/5/2003
Last Login: 5/21/2013
From: Reno, NV, USA
Status: offline 		Thanks for the tutorial Ron! I take it if a starter motor goes bad we can buy one from you and install it in this manner as well? Any break in required?

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RE: Starter installation on Wren motors - 12/29/2011 12:13 PM   
Wren Turbines USA


 

Posts: 1272
Joined: 1/29/2003
Last Login: 5/21/2013
From: Decatur, IN, USA
Status: online 		Starter replacement is simple, requiring 2 solder joints. No break-in required!



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Ron Ballard/Wren Turbines USA
http://www.wrenturbines.co.uk/usa/

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RE: Starter installation on Wren motors - 12/29/2011 10:08 PM   
Eddie P



Posts: 1606
Joined: 2/5/2003
Last Login: 5/21/2013
From: Reno, NV, USA
Status: offline 		Thanks Ron. That's my kind of turn around!! Done in 15 minutes

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RE: Starter installation on Wren motors - 9/12/2012 10:13 PM   
Eddie P



Posts: 1606
Joined: 2/5/2003
Last Login: 5/21/2013
From: Reno, NV, USA
Status: offline 		Thanks again Ron for taking my call today.

FYI, my starter was making a rattling noise on startup. I used the technique here to back the starter out of the housing and inspect the "O" ring that resides in the bendex starter unit at the tip of the motor (what seats onto the compressor spinner). The O ring looked mostly fine, just a touch of wear in coloration but I'm sure it was normal.

I used your technique of dipping a cotton "Q" Tip cleaner tip in some denatured alcohol and then cleaning off the compressor spinner. It didn;t look too bad but it did release a lot of gunk onto the Q Tip. Dried it all down with a clean Q Tip and then decided how far to mount the motor on the starter housing using your technique (Attach some allegator clips to the starter connector and then wire them to a receiver pack (6 volts or so). When I plugged in the receiver pack the motor engaged the engine and it still rattled a bit but not as much as before. I moved the motor forward int he mount to be 1mm aft of the most forward "touching" position int he pics above. Now it engaged and spun up very smoothly. I did three quick starter engagements to verify operation before final securing). Then I used some blue lock tite to secure the grub screws against the motor in the final position. My motor is happy at 1mm where it was originally mounted at 1.5mm aft of spinner contact at rest.

I think The motor Bendex unit was not firmly attaching to the spinner and there was some rattling associated with the loose connection. Now it sound much better! It is also worth noting the motor starting Bendex unit snaps out of position and the turbine is rotating freely when the starter is disengaged. Probably an important point to note!

Thanks again Ron.

< Message edited by Eddie P -- 9/12/2012 10:15 PM >

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