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Final assembly: Rear spar bolt

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Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Sat Feb 03, 2007 9:37 am Post subject: Final assembly: Rear spar bolt

Hi everybody



I just had a look through the "Final Assembly" drawing supplement (provided by CZAW) and did not understand one item:



It seems like as the rear spar bolt is screwed in the rear spar/rear spar attachment bracket without nut?! The parts list also shows no nuts for the rear spar bolt? In addition I don't see a cutout in the lower skin (at the wing root) that would provide access for the installation of the nut.



Could somebody help me out of this confusion? I cannot believe that a bolt can be installed without counterpart-nut.



Cheers from Switzerland

Martin

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_________________
Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html

armyret(at)mchsi.com
Guest

Posted: Sat Feb 03, 2007 1:44 pm Post subject: Final assembly: Rear spar bolt

Martin-  My old plans call for one AN5-7A per wing. (See 6-S-3 ) You will 

have to cut out a small area in the rear lower wing skin (approximately 2" X 

3" just behind part # 6B5-4 in order to get a washer and nut on the bolt.  I 

used a pair of long nosed pliars to put the washer on the bolt and used a 

closed end wrench with a piece of tape on the back side to hold the nut in 

the wrench.  Had a friend turn the bolt into the nut with a socket wrench 

from the outside.  Do all this before you install the flaps.  I had no 

problem.  Good luck!

Al Young

N601AY

---

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Sat Feb 03, 2007 2:15 pm Post subject: Final assembly: Rear spar bolt

I cut a hole through the fuselage side skin behind the seat to get 

access for that bolt. That way there's no exposed hole on the underside 

of the wing. As I recall, I put the bolt through from the inside and put 

the nut on the outside where I could inspect it easier.



 	  Quote: 	
		   

 

 Martin-  My old plans call for one AN5-7A per wing. (See 6-S-3 ) You 

 will have to cut out a small area in the rear lower wing skin 

 (approximately 2" X 3" just behind part # 6B5-4 in order to get a washer 

 and nut on the bolt.

 

> 

>

> It seems like as the rear spar bolt is screwed in the rear spar/rear 

> spar attachment bracket without nut?! 

-- 
	


Bryan Martin

Zenith 601XL N61BM

Ram Subaru, Stratus redrive

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

larry(at)macsmachine.com
Guest

Posted: Sat Feb 03, 2007 2:21 pm Post subject: Final assembly: Rear spar bolt

Al Young wrote:

 	  Quote: 	
		   



 Martin-  My old plans call for one AN5-7A per wing. (See 6-S-3 ) You 

 will have to cut out a small area in the rear lower wing skin 

 (approximately 2" X 3" just behind part # 6B5-4 in order to get a 

 washer and nut on the bolt.  I used a pair of long nosed pliars to put 

 the washer on the bolt and used a closed end wrench with a piece of 

 tape on the back side to hold the nut in the wrench.  Had a friend 

 turn the bolt into the nut with a socket wrench from the outside.  Do 

 all this before you install the flaps.  I had no problem.  Good luck!

 Al Young

 N601AY




	


 	  Quote: 	
		   Hi Martin,

    I placed a plate nut on the back side of the rear spar, fit the bolt 
	


thru from the front side and wing joint access.

    This for a HDS, but your bird might work from the same premise.



    Larry McFarland - 601HDS at www.macsmachine.com

    do not archive

      

 	  Quote: 	
		  

> 

>

> Hi everybody

>

> I just had a look through the "Final Assembly" drawing supplement 

> (provided by CZAW) and did not understand one item:

>

> It seems like as the rear spar bolt is screwed in the rear spar/rear 

> spar attachment bracket without nut?! The parts list also shows no 

> nuts for the rear spar bolt? In addition I don't see a cutout in the 

> lower skin (at the wing root) that would provide access for the 

> installation of the nut.

>

> Could somebody help me out of this confusion? I cannot believe that a 

> bolt can be installed without counterpart-nut.

>

> Cheers from Switzerland

> Martin

>

> --------

> Martin Pohl

> Zodiac XL QBK

> 8645 Jona, Switzerland

> www.pohltec.ch/ZodiacXL

>

>

> Read this topic online here:

>

> http://forums.matronics.com/viewtopic.php?p=92621#92621

>

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tonyplane(at)bellsouth.ne
Guest

Posted: Sat Feb 03, 2007 3:41 pm Post subject: Final assembly: Rear spar bolt

 	  Quote: 	
		  Martin,On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout with a piece of Aluminum tape.  I remove the tape for inspections.   On 6-S-3 there is also a note "ACCESS CUTOUT IN BOTTOM SKIN 6W8-2, SEE 6-W-0 Dwg 6-S-3 does not show the nuts to be used with the AN5-5A bolts,(on my dwg there is also no nut callout shown for the spar attach AN5 bolts); but self locking nuts are On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
0 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
1 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
2 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
3 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
4 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
5 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
6 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
7 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
8 	  Quote: 	
		  On my 6-W-0 dwg dated 12/02, in the lower left hand corner is note "40x20 CUTOUT 	
9 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
0 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
1 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
2 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
3 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
4 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
5 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
6 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
7 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
8 	  Quote: 	
		  FOR ACCESS TO REAR SPAR WING ATTACHMENT BOLT'  After assembly, I covered this cutout 	
9 	  Quote: 	
		  with a piece of Aluminum tape.  I remove the tape for inspections.  	
0 	  Quote: 	
		  with a piece of Aluminum tape.  I remove the tape for inspections.  	
1 	  Quote: 	
		  with a piece of Aluminum tape.  I remove the tape for inspections.  	
2

   [quote][b]

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Tim Juhl

Joined: 21 Mar 2006
Posts: 488
Location: "Thumb" of Michigan

Posted: Sat Feb 03, 2007 4:31 pm Post subject: Re: Final assembly: Rear spar bolt

Using any of the access methods described are you able to get a torque wrench on it?



Tim

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_________________
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Almost done! It'll fly in spring!

tonyplane(at)bellsouth.ne
Guest

Posted: Sat Feb 03, 2007 8:37 pm Post subject: Final assembly: Rear spar bolt

Yes.  Bolt head inside facing forward, nut  facing aft on spar rear channel. Bolt is in shear.  I just "snugged"  and quarter turned, then applied torque stripe/anti-sabotage paint.   

  

 Tony Graziano

 -------------

 Tim Juhl (juhl(at)avci.net ([email]juhl(at)avci.net?subject=Re:%20Final%20assembly:%20Rear%20spar%20bolt&replyto=1170549114.m2f.92721(at)forums.matronics.com[/email]))

 Using any of the access methods described are you able to get a torque  wrench on

it?



Tim



 [quote] [b]

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Martin Pohl

Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland

Posted: Sun Feb 04, 2007 3:13 am Post subject: Re: Final assembly: Rear spar bolt

Thank you for all your postings. I am relieved now...   



Martin

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_________________
Martin Pohl
Zodiac XL QBK
8645 Jona, Switzerland
http://www.pohltec.ch/ZodiacXL/Main.html

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