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ZODIAC 

601 XL

 

Zenith Aircraft Company 

www.zenithair.com

 

FUSELAGE ASSEMBLY 

6-B-6    Page 7 of 7 

Revision 2.3 (02/05/08) 

© 2002 Zenith Aircraft Co

 

 

 
Remove the stiffener and L angle on the front side of the firewall.  Trim 
the ends of 6B7-2 to fit inside the firewall flange.  Mark a 10mm line on 
the backside of 6B7-2 on the top.  Clamp, back drill, and Cleco from the 
front side of the Firewall. 
 

 
 
 
 
 

P/N:

 6B7-2 

Firewall Reinforcement 
 
 

Note: 

Not all holes have 

been back drilled in the 
photo. Back drill all holes 
through 6B7-2 at this time. 
 
 
 

 
Draw a 10mm edge distance line down the L angle. Align the line on the L 
angle through the predrilled holes in the Firewall. Drill and Cleco the L 
angle to the Firewall. 
 

 
 
 
 
 
 
 
 
 

A4 Rivets 

 

Summary of Contents for ZODIAC 601 XL

Page 1: ...Aircraft Co Clamp the stiffener inside the bottom flange of the firewall P N 6B6 2 Firewall P N 6B6 1 Firewall Bottom Stiffener Cleco every other hole as you drill Back drill through the predrilled h...

Page 2: ...08 2002 Zenith Aircraft Co Layout the aircraft center line Check the center line is square to the bottom of the firewall Cleco the Firewall Top Stiffener to the Firewall Expand the predrilled holes f...

Page 3: ...drilled in the L angle this is done in the next step CORNER L ANGLE Ref top middle diagram on drawing 6 B 7 Check There should be 10mm edge distance on the last hole to the end of the L angle Back dri...

Page 4: ...l that the Drill Chuck does not damage the Firewall Top Stiffener or the Firewall when drilling Note Once you have drilled and Clecoed two holes through the Firewall Top Stiffener to the L angle you c...

Page 5: ...Trim the Firewall Side Stiffener along this line P N 6B6 3 FIREWALL SIDE STIFFENER IMPORTANT The top edge of 6B6 3 is even with the bend tangent line Check it is not pushed up too high into the radius...

Page 6: ...nd Cleco the Firewall Side Stiffeners to the Firewall through the predrilled holes Trace the bottom of the firewall on the stiffeners and trim the stiffeners flush to the bottom edge of the firewall A...

Page 7: ...firewall flange Mark a 10mm line on the backside of 6B7 2 on the top Clamp back drill and Cleco from the front side of the Firewall P N 6B7 2 Firewall Reinforcement Note Not all holes have been back...

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