08_03

VERTICAL STAB

RUDDER

ANTI-SERVO TAB

STABILATOR

TAILCONE

EMP ATTACH

EMP FAIRINGS

BUILDERS LOG

Page 08.03 Anti-Servo Tab

8.01

8.02

8.03

8.04

Step 01: Mark and separate the F-11220-L&R AST Control horns per call-outs in Figure 1.

07/21/10

Step 02: Machine countersink the HS 12200-L&R AST Control Horns for a 3/32" rivet per call-out in Figure 2.

07/21/10

Step 03: Orient the AST Control Horn to pass through the AST control horn cut-out. Rivet The HS-1220-L AST Control Horn to the inboard DS-122 AST Rib as shown in Figure 2.
10/11/10

Alteration
Rivets Used

Builder Note:
Primed AST Parts 10/07/10
Step out of sequence

CAUTION: Rivet only the upper flange of the skin to the spar at this time Per step 4.

Step 04: The HS-1219-L AST Spar must be installed on the inside surface of the HS-122L AST Skin as shown in Figure 4. The reference hole in the AST spar, shown in Figure 3, must be oriented up and outboard. Rivet the AST Spar to the AST Skin per call-out in Figure 4, Omit the reference hole when riveting.
10/11/10

Builder Note:
LP4-3 Used in this step.

Step 05: Remove the hinge pin from one AN275-P3X6 ( also known as MS20257-3 ) Piano Hinge. Cut each of hinge halves into two lengths per dimensions given in Figure 5.
Locate cuts so that there are hinge eyelets at both ends of all four hinge halves.
Two hinge half lengths will be the left and right HS-128B AST Hinges. The other two lengths will be left and right HS-1238A AFT Stab Hinges. The aft stab hinges will be installed in Section 9. Stabilator Assembly. The hinge pins will be installed in Section 11. Empennage Attach.
NOTE: Save the HS-1223 Drill Guide for use in Section 9.

07/21/10

Step 06: Position the HS-1223 Drill Guide per Figure 6, Detail A. Orient the notched edges of the drill guide adjacent to the eyelets of the hinge half, then clamp the drill guide onto the AST hinge
half.

07/21/10

Step 07: Match-Drill #30 the Hinge Half, using the DS-1223 Drill Guide per Figure 7, Refer to Figure 6, Detail B to remove the drill guide. Repeat Step 6 and 7 until the entire hinge half has been drilled to make the HS-1218B AST Hinge Half.

Builder Note:
Hold for Priming
07/21/10