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Old 03-17-2011, 11:52 PM
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I have these actuators on a set of rocker tabs. I was told they come from a Cessna airplane. Never seeing ones like these on a boat before I tend to believe it.




The question is, what is this nipple for? The pin at the top is pressed in and the angles allow it to pivet so I donít think itís for grease.
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Old 03-17-2011, 11:55 PM
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Mark,,it looks like a greece zurt,,mabe it goes to the mounting bolt..
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Old 03-17-2011, 11:57 PM
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Bleeder valve...?
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Old 03-18-2011, 12:13 AM
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Thats what I'm afraid of. Is it for air to pressurize the cylinder like hydraulic steering has? Grease? Bleeding?
I'm leaning away from grease because the pin doesn't pivot at the cylinder. It's pressed in now but who knows if it could have moved before the cylinder made it's way to the boat. Figured an airplane guy would know. Don't want to squirt grease in it when it's an air bleeder or something like that.
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Old 03-18-2011, 12:21 AM
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Take the fitting out of the actuator with a open end wrench if its got greese behind it by god its a greese fitting. If its a bleeder there will be fluid of some sort probably red in color. I am about 95 percent sure its a greese fitting
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Old 03-18-2011, 12:38 AM
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Quote:
Originally Posted by flying J View Post
I am about 95 percent sure its a greese fitting
+1 just painted
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Old 03-18-2011, 01:46 AM
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Cessna maybe, airplane no. Most likely tractor or large riding lawn mower part, from Cessna fluid power now owned by Eaton.

Likely bleeder nut. Just make sure piston is fully extended before you take it out.


Oh, and bleed in situ (attached).

Last edited by Plumb_Gut_Phil; 03-18-2011 at 01:53 AM. Reason: safety
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Old 03-18-2011, 07:08 AM
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Looks like a grease fitting.
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Old 03-18-2011, 08:12 AM
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Looks like a zerk fitting to me. I am sure it goes to the top of the cylinder to grease the piston.

Last edited by capt2130; 03-18-2011 at 01:09 PM. Reason: learning how to spell
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Old 03-18-2011, 08:19 AM
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a grease zerk remove it and you'll find grease behind there
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Last edited by RunninHotRacing163.1; 03-18-2011 at 08:21 AM. Reason: pic download
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