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PAGE REVISION: DATE:

VAN'S AIRCRAFT, INC.

29-02 11/14/081RV-12

Step 3: Dimple the F-1201P Firewall Spacers and corresponding screw and rivet holes in the F-1201A F irewall Upper as shown in Figure 3. Dimple the rivet hole locations in the corresponding nutplCleco the firewall spac ers and nutplates to the lower flange of the firewall upper. Rivet the top rivet onlyas shown in Figure 3.

Step 4: Machine countersink the nutplate rivet holes in the F-1201H Upper Fwd Fuse Doubler. Dimple the screw holes in the upper fwd fuse doubler and F-1201A Firewall Upper for #8 screws. Clecorivet the upper fwd fuse doubler and nutplates to the firewall upper.

NOTE: The F-1201J and F-1201K Cowl Hinges can be pre-bent by hand t o make their installation easier.

Step 5: Clamp the F-1201J and F-1201K Upper Cowl Hinges to the F-1201H Upper Fwd Fuse Doubler. Align the lower edge of the upper cowl hinges per the call out in Figure 3. Match-Drill #40 andall the corresponding holes between the upper fwd fuse doubler and the upper cowl hinges. Remove and deburr the parts. Machine countersink the rivet holes in the upper fwd fuse doubler. Cleco thrivet the parts together as shown in Figure 3.

Step 6: Dimple then rivet nutplates to the forward and aft sides of the F-1201A Firewall Upper per the call outs given in Figure 3.

Step 7: Dimple then rivet nutplates to the F-1201R Antenna Shelf per the call outs given in Figure 3.

Step 8: Rivet the F-1201R Antenna Shelf to the F-1201A FirewallUpper per the call outs given in Figure 3.

Step 9: Dimple the rivet holes in the bottom flange of theF-1201A Firewall Upper per the call outs given in Figure 3.

Step 1: Mark two lengths of AN257-P3piano hinge to make the F-12116-L andF-12116-R Mid Cowl Hinges per thedimensions in Figure 1. Remove the hingepin then cut the hinge to length. Set asidethe hinge pin and unused halves of thepiano hinge for c owl installation.

Step 2: Make the F-1201J and F-1201K Upper Cowl Hingesfrom AN257-P3 piano h inge per the dimensions in Figure 2.Remove the hinge pin before cutting the parts to length. Setaside the hinge pin and unused halves of the pianohinge for cowl installation.

FIGURE 1:

MAKING THEMID COWL HINGES

FIGURE 2:MAKING THE

UPPER COWL HINGEFIGURE 3:

MAKING THE

UPPER FIREWALLASSEMBLY

REMOVEHATCHED

AREAS

F-12116-R

F-12116-L ALIGN PARTEDGES ASSHOWN HERE

K1000-08

2X AN426AD3-3.5

FLANGE SHOWN

CUT AWAY

F-1201R

K1000-082X AN426AD3-3.5

LP4-3,10 PLACES

K1100-08

AN426AD3-3.5DO NOT RIVET!

F-1201K

AN426AD3-3.5,TYP.

DIMPLE HERE

FLUSH BOTTOM SIDE

DIMPLEHEREFLUSH

BOTTOMSIDE

DIMPLEHERE FLUSHBOTTOM SIDE

DIMPLE HERE

FLUSH BOTTOM SID

F-1201A

K1000-3 (AFT SIDE)2X CCR-264SS-3-2

K1000-4 (AFT SIDE)2X CCR-264SS-3-2

DO NOT RIV

DO NOT

INSTALLNUTPLATES!

F-1201P,

2 PLACES

ALIGN LOWER END OF-1201J OR K WITHEDGE OF F-1201H

AN426AD3-3.5

F-1201H

F-1201J

K1100-082X AN426AD3-4

25X

DIMPLE AN426AD8 PLACE

DIMPLE FORAN426AD3-3.5,

4 PLACES

DIMPLE FOR #8 SCREW,2 PLACES