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Unread 08-06-15, 11:46 AM
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hharney hharney is offline
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Please, always include the model and year of aircraft when asking questions. There are too many differences with models.

Check all the micro switches and wires that energize the switch, on the doors and the uplock switches. Doors will not close if the system gets a signal that the gear is not up. If one of these wires is broken, loose or not making contact the doors will not close. Also if the switch is not making contact to the strike area then the doors will not close. It is a closed system and if one switch is open or wire is not connected that will cause the problem.

Here are similar posts that may help

http://www.337skymaster.com/messages...ght=gear+doors

http://www.337skymaster.com/messages...ght=gear+doors

http://www.337skymaster.com/messages...ght=gear+doors

http://www.337skymaster.com/messages...ght=gear+doors

I searched "gear doors" to retrieve these older threads
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Herb R Harney
1968 337C

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Last edited by hharney : 08-06-15 at 11:54 AM.
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Unread 08-06-15, 05:37 PM
rmorris rmorris is offline
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same issue

not going to scold you, but I did post an identical sounding problem a ways back (2011 or 2012-ish)....

turned out to be some little micro switch under the dash, on the pilot side.

I tried micro switched in well wells, cleaned all contacts, replaced hoses, etc...turns out that little switch which somehow was moving with the cable or wire it was attacheed to, because it had broken free of its mount point.

sorry I don't have more info, but that's what I remember...it is a 1968 T337C model.

http://www.337skymaster.com/messages...ead.php?t=2746

http://www.337skymaster.com/messages...ead.php?t=2951

Last edited by hharney : 08-06-15 at 08:25 PM.
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