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Jims Web Site
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Date: 2-6-2010
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Number of Hours: 2.10
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Manual Reference: 6ZU2-4
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Brief Description: Mounted 6ZU2-4's on back of center spar
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1. For each upright, accomplished the following:
2. Positioned on spar through 1/4" hole with AN4 bolt.
3. Squared upright on spar.
4. Used a transfer punch to locate the 1/4" hole on the other end of the upright.
5. Removed upright, drilled pilot hole for AN4 bolt with #40 bit, and opened for bolt size.
6. Marked location where doubler met upright.
7. Removed upright; drew line across upright at the point marked.
8. Center punched 10 mm from line.
9. Drilled punched points with #40 bit.
10. With rivet fan, established 3 intermediate locations, and punched.
11. Drilled with #40 bit, for a total of 5 rivet locations per upright.
12. Placed upright in position, and slipped 6ZU2-5 slim under upright.
13. Back drilled through shim with #40 bit, and clecoed.
14. Used a transfer punch to locate the 1/4" hole on the other end of the upright.
15. Removed upright, drilled pilot hole for AN4 bolt with #40 bit, and opened for bolt size.
16. Replaced upright and shim.
17. Opened pilot holes for rivets with #20 bit, and clecoed.
Note: Since the dual stick modification is to be installed on this aircraft, the uprights associated with that installation were reused.
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Upright in position
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pilot rivet holes in upright drilled
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uprights in place,and rivet holes opened
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