larryb Posted February 21, 2020 Report Share Posted February 21, 2020 Today after fueling the plane the Shaw 531 fuel cap lever was very stiff on one side. I found I am missing the washer under the lever. Spruce has something, but it looks out of stock. For now, after lube, it's working OK, but of course I need to get a new washer. It looks like a standard washer with a wedge cut out. No idea how long it's been this way, could have been before I bought the plane. My MSC has replaced the o-rings on the cap, they should have noticed the missing washer, but... The stiffness came on suddenly, it was fine just 2 days ago. Options of course are finding the proper Shaw part. Or measuring the washer on the good side, finding a generic replacement and cutting out the wedge. Or a used one on ebay, just for the washer, I see several. If anybody has dealt with this and has insight, I would appreciate it. Larry https://www.aircraftspruce.com/catalog/appages/marshbrothers_05-22215.php?gclid=EAIaIQobChMIv7Hx3-3h5wIVbRitBh1ojgzQEAQYASABEgKuC_D_BwE Quote Link to comment Share on other sites More sharing options...
carusoam Posted February 21, 2020 Report Share Posted February 21, 2020 Larry, We have a guy! Ask @OSUAV8TER he is our fuel cap expert! You might get some Teflon based Orings with a cap OH... Best regards, -a- Quote Link to comment Share on other sites More sharing options...
LANCECASPER Posted February 21, 2020 Report Share Posted February 21, 2020 4 minutes ago, larryb said: Today after fueling the plane the Shaw 531 fuel cap lever was very stiff on one side. I found I am missing the washer under the lever. Spruce has something, but it looks out of stock. For now, after lube, it's working OK, but of course I need to get a new washer. It looks like a standard washer with a wedge cut out. No idea how long it's been this way, could have been before I bought the plane. My MSC has replaced the o-rings on the cap, they should have noticed the missing washer, but... The stiffness came on suddenly, it was fine just 2 days ago. Options of course are finding the proper Shaw part. Or measuring the washer on the good side, finding a generic replacement and cutting out the wedge. Or a used one on ebay, just for the washer, I see several. If anybody has dealt with this and has insight, I would appreciate it. Larry https://www.aircraftspruce.com/catalog/appages/marshbrothers_05-22215.php?gclid=EAIaIQobChMIv7Hx3-3h5wIVbRitBh1ojgzQEAQYASABEgKuC_D_BwE https://www.marshbrothersaviation.com/collections/aerostar/products/fuel-cap-washers It looks like the manufacturer has them in stock: Quote Link to comment Share on other sites More sharing options...
OSUAV8TER Posted February 21, 2020 Report Share Posted February 21, 2020 5 hours ago, larryb said: Today after fueling the plane the Shaw 531 fuel cap lever was very stiff on one side. I found I am missing the washer under the lever. Spruce has something, but it looks out of stock. For now, after lube, it's working OK, but of course I need to get a new washer. It looks like a standard washer with a wedge cut out. No idea how long it's been this way, could have been before I bought the plane. My MSC has replaced the o-rings on the cap, they should have noticed the missing washer, but... The stiffness came on suddenly, it was fine just 2 days ago. Options of course are finding the proper Shaw part. Or measuring the washer on the good side, finding a generic replacement and cutting out the wedge. Or a used one on ebay, just for the washer, I see several. If anybody has dealt with this and has insight, I would appreciate it. Larry https://www.aircraftspruce.com/catalog/appages/marshbrothers_05-22215.php?gclid=EAIaIQobChMIv7Hx3-3h5wIVbRitBh1ojgzQEAQYASABEgKuC_D_BwE @larryb you’re in luck, I have one in my box of used fuel cap parts. How about $10 plus shipping? Do you need fluorosilicone fuel cap o-rings too? Email me at gallagheraviationllc@gmail.com Quote Link to comment Share on other sites More sharing options...
Igor_U Posted February 21, 2020 Report Share Posted February 21, 2020 $100 for a couple "nonmetallic" washers? Am I the only one who considers this crazy?? Even my IA would tell me to got to ACE and get thin Teflon washer and trim it... 2 Quote Link to comment Share on other sites More sharing options...
N201MKTurbo Posted February 21, 2020 Report Share Posted February 21, 2020 I would get some SS shim stock and a Dremel. Quote Link to comment Share on other sites More sharing options...
Yetti Posted February 21, 2020 Report Share Posted February 21, 2020 1 hour ago, N201MKTurbo said: I would get some SS shim stock and a Dremel. Oh you know you would mount it up in the milling machine.... just because it is sitting there. Quote Link to comment Share on other sites More sharing options...
Yetti Posted February 21, 2020 Report Share Posted February 21, 2020 And do 3 or 4 for the next time or when your buddies need one. In a stack. single pass. 1 Quote Link to comment Share on other sites More sharing options...
N201MKTurbo Posted February 22, 2020 Report Share Posted February 22, 2020 1 hour ago, Yetti said: Oh you know you would mount it up in the milling machine.... just because it is sitting there. Sure, if I had one! Quote Link to comment Share on other sites More sharing options...
larryb Posted February 22, 2020 Author Report Share Posted February 22, 2020 Fortunately James was able to hook me up. For $10 it saves me a lot of time. Well worth it. 1 Quote Link to comment Share on other sites More sharing options...
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