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Alteration 22 Vent Door Knob
22.01 22.02 22.03 22.04              
Alteration 22 Page 04 NOTE: Any alteration will require it to be registered as Experimental-Amateur Built  E-AB
Parts
1 1.25" X 6" Aluminum rod  
1 300mm x 8mm T8 lead screw  
2 T8 Nut for 8mm lead screw  
1 1/2" X 6" Aluminum rod  
1
2'X6"X1/4" Aluninum bar
 
1 2'X2'X.090 Aluminum sheet  

This Alteration is to add a knob to open the vent doors

Step 01: Use the retaining clip and mark one of the holes on a piece of .090 aluminum.

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Step 02: Drill #30 then cleco the retaining clip and match the other hole.

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Step 03: Blue then install the parts as shown and scrib layout lines around the retaining clip & knob.

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Step 04: Use a 1/2" washer and complete the layout as shown.

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Step 05: Cut the part as shown, then cleco the retaining clip back on and hand file for a good fit.

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Step 06: Temporarily move any wires, then mark and match drill #30 the part to the F-1202E-R&L u-channels as shown.

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Step 07: Use the retaining clip and mark the holes on a piece of .125 aluminum.

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Step 08: Drill and tap 8/32 then cut to size.

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Step 09: The finished Knob.

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Alteration 22 Page 04
22.01 22.02 22.03 22.04              
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