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Flap up lock mechanism removal?

 
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TMurdoch



Joined: 31 Jul 2016
Posts: 2

PostPosted: Fri Apr 05, 2019 5:02 pm    Post subject: Flap up lock mechanism removal? Reply with quote

For those of you that have removed your flap up lock mechanism and replaced it with a travel limit cable, how did you reattach the flap cable to the bellcrank.

I know in drawing 2003F it shows the cable attached to the bellcrank with an AN115-16 Shackle but I have two new AN115-16 shackles and they do not have a wide enough gap to accept the bellcrank.


Can anyone send me some pics of their flap bellcrank attachment?

Thanks[/img]
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Dale Smith



Joined: 18 Feb 2019
Posts: 34
Location: NorCal

PostPosted: Sat Apr 06, 2019 3:51 pm    Post subject: Reply with quote

I am in the process of getting ready to do the same thing.

Drawing 2003F that i have show the shackles as either item 4 or 50

Item 4 per the drawing is AN115-16
Item 50 per the drawing is 3276-1, the packing slip from maule shows it as 3276A-1. That was the what I ended up with after talking to a gentlemen at maule. I was dirrected to him by Kasey in parts, she was unsure also. i do not remember what his name was.

I stoped by the hanger and checked to make sure the new shackles would work with the new bell cranks that i also ordered and they fit together. It is a snug fit, but they go together with out a problem.

Did not think to measure the gap for you until after I was gone from the hanger though. Dont know if this helps you or not...
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gdflys
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Joined: 24 Jul 2013
Posts: 166
Location: CT

PostPosted: Sun Apr 07, 2019 10:57 am    Post subject: Reply with quote

The problem I found was the cable and eye would not fit through the shackle even though the shackle fit the bellcrank. So to do it right you would need to redo the cable. Anyone else find a way around this?
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Greg Delp
1979 M-5-235C
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freedom
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Joined: 17 Jul 2015
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PostPosted: Thu May 02, 2019 10:57 pm    Post subject: Reply with quote

can yopu giuys post a photo of this.
thanks
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stick_rudder
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Joined: 02 Dec 2013
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Location: Alaska

PostPosted: Fri May 03, 2019 5:12 am    Post subject: Reply with quote

With a little manipulation of the shackle, it will go through the cable end with the thimble. Hope that helps.
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CRAZEDpilot



Joined: 24 Jan 2013
Posts: 59

PostPosted: Wed Mar 25, 2020 8:44 pm    Post subject: Reply with quote

So I'm having the same problem as TMurdoch, the Shackle that Maule sent me last week to change to the Down limit cable isn't wide enough to accept the bellcrank - the opening on the AN shackle is 0.20", yet the bellcrank is 0.25". Just won't go. And if it does, there's no hope of that shackle ROTATING inside the bellcrank hole like any other control surface shackle should!

Maule isn't calling me back or emailing be back - anyone have a solution to help me get my plane airborne? Seems like such a simple issue if someone knew or had the correct shackle.

Jeremy maybe?

-Brendan
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maules.com
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Joined: 29 Aug 2006
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PostPosted: Thu Mar 26, 2020 7:25 am    Post subject: Reply with quote

All one needs do is eliminate part #2 from Group D10 in parts book.
Parts #3 and #9 act as the shackle.
Re adjust flap cable turnbuckle at rear cabin bulkhead.

Very often the bell crank bushing and bolt are worn and/or the holes in the bell crank support bracket. Sometimes the bracket is not tight on the rear spar.
There should be NO up and down play when moving the arm of bell crank up and down through the inspection cover. If slack, one cannot achieve full flap travel.
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Jeremy
www.maules.com
Maule AK Worldwide
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CRAZEDpilot



Joined: 24 Jan 2013
Posts: 59

PostPosted: Thu Mar 26, 2020 11:33 am    Post subject: Reply with quote

Thanks Jeremy - that's the only clear answer I've received! Maule couldn't answer my questions on this.

RELATED QUESTION: WHAT'S BEST WAY TO INSTALl NEW CABLE RUBBING BLOCKS without removing the thimble and crimp? Can we notch them careful in a non-rub area??

-Brendan
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maules.com
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PostPosted: Fri Mar 27, 2020 11:37 am    Post subject: Reply with quote

Which rubbing blocks, where, what model Maule ?
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Jeremy
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Maule AK Worldwide
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CRAZEDpilot



Joined: 24 Jan 2013
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PostPosted: Fri Mar 27, 2020 3:08 pm    Post subject: Reply with quote

1984 M5-180C Flap cable through the wing rib inboard of the flap bellcranks...
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maules.com
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PostPosted: Sat Mar 28, 2020 7:18 am    Post subject: Reply with quote

That is a phenolic block split horizontally which has two holes through at the split. There are two bolts and nuts keeping all in place. Though awkward access, these nuts can be loosened and remove one so half the block swivels enough to get your cable with fittings, through it.
The only alternative is to thread a fresh cable through the holes with no fittings. You can butt join a new and old cable with a short twist of safety wire and a bit of shrink-wrap to pull through.
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Jeremy
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CRAZEDpilot



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PostPosted: Sat Mar 28, 2020 10:10 am    Post subject: Reply with quote

Maule sent me a solid block and went talking to them on the phone had no suggestion on how to get the cable in there. So we notched it in an unused area.
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