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NOTE: The intent of this section is to install all of t he wires that will eventually hook up to components supplied in theAvionics Kit or Optional kits such as Lighting or Autopilot. Even if not installing optional systems route the wires for themso that in the future these systems can easily be added.
Note: If installing a Garmin GTX 328 (Euro / mode S transponder customers) route
wires through the forward hole in the F-1202B Panel Base only!
Step 1: Insert the modified rubber grommet (from the previous page) into the F-1201AFirewall Upper penetration location.
Step 2: Cut a 36 inch length of DUCT NT 5/8 to make the F-1204Y Wire Run Conduit. Cuta 7/16 diameter hole in the wire run conduit for the wires coming from the top center ofthe F-1204 Center Section Assembly (see Figur e 1). To help pull wires through later, addone string going from the hole to the left end of the conduit, one from the hole to the rightend and one going from one end to the other. Leave enough excess string that when theconduit is installed the string will hang down below the bottom of the airplane. Whenpulling a wire with a string add a new string for future use.
Step 3: Using the clamps and hardware called out in the detail view in the right side ofFigure 1 install the F-1204Y Wire Run Conduit. Center the wire run conduit about thecenterline of the airc raft with the hole cut in Step 2 over the snap bushing in the F-1204Center Section Assembly.
NOTE: Look at Figure 1 to determine the type of f uel flow transducer supplied inyour kit, then complete the appropriate Step 4.
Step 4 (FT-60): Remove the forward most bolt holding the FT-60 Fuel FlowTransducer. Final-Drill 1/4 the cushioned clamp called out in Figure 1 thenslide it over the bolt and reinstall the bolt.
Step 4 (Flo-Scan): Remove the inboard most bolt. Make the VA-188B Standoff asshown in Figure 2. Install the standoff and a cushioned clamp on the FLO-SCAN
Fuel Flow Transducer using the hardware called out in Figure 1.
NOTE: When routing cables and wires some snap bushings may need to beremoved and the wire or cable passed through the hole. Slit the snap bushing,place it over the cable and snap the bushing back into the hole.
Step 5: Route the straight BNC fitting on theWH-RV12-SL-ANT and WH-RV12-TX-ANT down
through one of the snap bushings in the F-1202BPanel Base, over the rudder pedals, and throughthe fuel flow cushioned clamp. Continue to routethe WH-RV12-SL-ANT through the snapbushings in the F-1202F and F-1203ABulkheads. Lay the cable through the
wire notches in all three F-1276C SystemBlocks. Route the cable through the snap bushingin the front of the F-1204 Center Section Assembly.
Step 6: Route the ES RS 279-374 Phone Cable
through the right end of the F-1204Y Wire RunConduit (Use one of the strings installed in
Step 2) then down through the wire run hole inthe top of the F-1204 Center Section Assembly(16 inches should remain protruding from the rightend of the wire run conduit). Slit then insert a
snap bushing in the top of the F-1204 CenterSection Assembly as called out in Figure 1. Routethe cable forward through the same route used bythe WH-RV12-SL-ANT. Route the cable throughthe snap bushing in the F-1202K-R Inst Stack Support.
FIGURE 1: FUSELAGE WIRE
HARNESS PREPARATION WORK
AN931-6-16RUBBERGROMMET
FUEL FLOWCUSHIONED
CLAMP
ES RS 279-374
F-1204 CENTERSECTION ASSEMBLY
WIRE RUN HOLEOFFSET LEFT OF
CENTERLINE
4XAN509-10R13
MS21919DG14AN365-1032
WH-RV12-TX-ANT
WH-R
FIGURE 2: VA-188B
NOTE WH-RV12-SL-ANTHAS A SPECIAL
90 DEG BNC FITTING
ROUTE ES RS 279-374THROUGH LOWER
SNAP BUSHING
F-1202B
F-1201A
F-1201B
F-1201C
F-1202F
F-1203A
FT-60MS21919DG14
AN4-17A
1/2
(5/16)
AN3-16A
VA-188B
FLO-SCAN
MS21919DG14
ROUTE WIRES OVER
RUDDER PEDALS
IN TWO EVENLY SIZEDBUNDLES IN THIS AREA
(TEMPORARILY LOOSENTHE BOLTS HOLDING
F-1235A TO ALLOWPASSAGE OF
BNC FITTINGS)
FINAL-DRILL 1/4
DATE: REVISION:
VAN'S AIRCRAFT, INC.
09/23/09 5 RV-12
F-1276C SYSTEMS BLOCK
F-1230
SHOWN FORREFERENCEONLY
NOTE: When routing wires in this section between the region over the rudder pedals and the snap b ushings in the F-1202BPanel Base check that the wires will easily fit through the notch in the forward edge of the F-1230 Tunnel Cover.
SB500-6
F-1202K-R
WIRE NOT
F-1235A
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