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  #1  
Old 07-19-2020, 12:16 PM
74-07 74-07 is offline
 
Join Date: Dec 2016
Location: Greenville, SC
Posts: 550
Default Valve Spring Compressors

Started on our IO-360 angle valve valve wobble test today and used our new ATS spring compressor. The unit is adjustable but we spent at least an hour on the first valve trying to get it adjusted where it would compress the spring evenly (i.e. not cocked) so the keepers would come out. We finally managed to get the springs off but then the adjustment that made it right for getting the keepers out was completely wrong for compressing the spring back to get the keepers back in. Think I'm going to send these back and get a "Valve Wizard" Am I doing something wrong?
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  #2  
Old 07-19-2020, 02:45 PM
BillL BillL is offline
 
Join Date: Sep 2007
Location: Central IL
Posts: 5,815
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Here is a DIY tool I thought would be a good candidate design. I don't have any dimensions.
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  #3  
Old 07-20-2020, 01:07 PM
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akarmy akarmy is offline
 
Join Date: Jan 2005
Location: Auburn, WA
Posts: 673
Default Valve Wizzard

This is what I use and I'm at a loss for words how amazing it is

http://www.valvewizard.com/

The first time my A&P used it he kept it in lieu of payment as it makes the process so easy.

I recently used it to drop an exhaust valve for inspection and it makes it so easy to get the keepers out and back in. It screws into the head using the rocker screw holes and then you simply screw down the compression on the spring. It's directly inline so the spring goes smoothly in and the keepers pop out easy as can be.
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  #4  
Old 07-20-2020, 01:16 PM
74-07 74-07 is offline
 
Join Date: Dec 2016
Location: Greenville, SC
Posts: 550
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Andy,

Yep, I sent the adjustable one back and ordered the valve wizard for my Lycoming angle valve engine. I thought about it before ordering the other but the "injected molded" generated thoughts that it's plastic and won't hold up. I've since learned better.
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  #5  
Old 07-20-2020, 01:30 PM
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akarmy akarmy is offline
 
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Location: Auburn, WA
Posts: 673
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Ya it does seem like it might not hold up, but they specifically call out to make sure and use all the screws and tighten them evenly. It seems to be fine after using it a few times. and it's just so EASY. My A&P spent way too long with one of those pivot lever types before we pulled the wizzard out
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  #6  
Old 07-20-2020, 03:08 PM
RVDan RVDan is offline
 
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Location: Frederick, MD
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Just need a cheaper tool for the wobble test now.
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Frederick, MD
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  #7  
Old 07-21-2020, 02:02 PM
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blueflyer blueflyer is offline
 
Join Date: Nov 2008
Location: Shreveport, LA
Posts: 1,046
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I could not agree more. Makes the job so easy.

Quote:
Originally Posted by akarmy View Post
This is what I use and I'm at a loss for words how amazing it is

http://www.valvewizard.com/

The first time my A&P used it he kept it in lieu of payment as it makes the process so easy.

I recently used it to drop an exhaust valve for inspection and it makes it so easy to get the keepers out and back in. It screws into the head using the rocker screw holes and then you simply screw down the compression on the spring. It's directly inline so the spring goes smoothly in and the keepers pop out easy as can be.
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  #8  
Old 07-21-2020, 02:47 PM
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n18pf n18pf is offline
 
Join Date: Mar 2006
Location: Eldridge, Iowa
Posts: 82
Default Valve Wizard is the way to go

Agreed. The thing I like most about the Valve Wizard is once you have the springs compressed, you have both hands free to insert or extract the keepers. A complete no brainier. Our EAA chapter has one I can check out and use, but I'm thinking of getting my own just because it is so easy to use!

I like the look of Allen's product, but it still requires one hand to hold pressure on the springs while you insert/extract keepers with your other hand. Maybe if I tied a rope around it and held it with my foot!!
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  #9  
Old 07-21-2020, 03:17 PM
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PerfTech PerfTech is offline
 
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Location: Redlands, Ca.
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Quote:
Originally Posted by blueflyer View Post
I could not agree more. Makes the job so easy.
... Actually our tool is on a swing radius, and does push on the retainers on center!
This type of tool will have the keepers, springs, and retainers out of four cylinders
in a fraction of the time required to bolt the other tool onto one cyl. We have built
a lot of engines, and this one works best for us. Also as a side note, this will work
on parallel as will as angle valve configurations, and we were originally going to
market them for about $29. Thanks, Allan...
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AntiSplatAero.com
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Southern California (KREI)
RV-9A / Edge-540
(909) 824-1020
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  #10  
Old 07-21-2020, 04:00 PM
Jrskygod Jrskygod is offline
 
Join Date: Dec 2011
Location: Edinburg, TX
Posts: 637
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Hey Allan I'll take one at $29.00. Neat looking tool. I like it and universal for both engines is a plus. Let me know when these go into production. As all of the other products you have devised this is a great design.
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