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Alteration 22 Vent Door Knob
22.01 22.02 22.03 22.04              
Alteration 22 Page 02 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  

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

Step 01: Cut 1.875" off the 4 Start 8mm T8 lead screw.

05/15/21
Step 02: Drill for 10/32 tap .75"
deep.

05/16/21
Step 03: Tap with 10/32 starting then bottoming tap.

05/16/21
Step 04:  Turn and thread 1/2" rod as shown

05//22/21
Step 05: Chamfer then cutoff.

05/22/21
Step 06: Trun around and claen up the end.

05/22/21
Step 07: Mill then drill and file to final shape.

05/22/21
Step 08:  Screw in and add a drop of blue thread locker

05/23/21
Step 09: Finished assembly ( two required ).

05/23/21
   
Alteration 22 Page 02
22.01 22.02 22.03 22.04              
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