42PiS-03
RV-12iS
0
01/19/19
PAGE:
REVISION:
DATE:
VAN'S AIRCRAFT, INC.
4X MATCH-DRILL #30
MARK VS-1205 THROUGH THESE HOLES.
VS-1201
VS-1205
FIGURE 1: DRILLING THE VS-1205
Step 1: Locate the F-00203 Nav Antenna Doubler on the VS-1205 as shown in Figure 1.
Step 2: Match-Drill #30 the forward and aft-most holes in the F-00203 into the web of the VS-1205. Cleco each hole before drilling
the next. See Figure 1.
Step 3: Use a permanent marker through the #27 holes in the F-00203 to mark the VS-1205 as shown in Figure 1.
Step 4: Remove the clecos and the F-00203 from the VS-1205.
Step 5: Drill #30 a hole near the aft two lightening holes in the VS-1205 as shown in Figure 1.
4X MACH CSK
(FLUSH THIS SIDE)
2X
MS21051L3
2X AN426AD3-4
F-00203
F-00203
CLEARANCE FOR
NUTPLATES
UNDER F-00203
Step 6: Machine countersink the #40 holes in the F-00203 as shown in Figure 2.
Step 7: Rivet the nutplates to the bottom of the F-00203 as shown in Figure 2.
Step 8: Using the marks made in Step 3 as a starting point, trim away the inside edge of the lightening hole in the VS-1205 to clear
the nutplates installed under the F-00203. See the hatched area in Figure 2.
Thoroughly deburr these notches once they have reached final size.
Step 9: Rivet the F-00203 to the VS-1205 as shown in Figure 2.
Step 10: Cleco the K1000 Drill Temp to the #30 hole in the VS-1205
then match drill #40 the holes as shown in Figure 2.
Step 11: Remove the cleco and K1000 Drill Temp from the VS-1205,
then final drill the #30 hole in the VS-1205 to #12. See Figure 1.
Step 12: Machine countersink the #40 holes in the F-00205 Shim as shown in Figure 3.
Step 13: Fabricate the F-00206 AV-532 Spacer as
shown in Figure 4.
FIGURE 2: F-00203 NUTPLATE INSTALLATION
8X LP4-3
DRILL #30
MATCH-DRILL #40
K1000 DRILL TEMP
MACH CSK
FIGURE 3: F-00205 SHIM PREP
1.6 [40.6 mm]
UHMW-125X1X2
FIGURE 4: FABRICATING
THE F-00206
2X DRILL #11
F-00205 SHIM
