Jabiru Aircraft

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Electrical Wiring Reference: Drawing 9451061, Diagrams 1 to 14 Photo Parts Required: As Detailed Materials Required: As Detailed Procedure: All wires should be colour coded in the following way:

Wires banded with Red or Yellow are from the (+12V) Positive bus to positive marked positions on the components of the aircraft.

Wires banded Black or Green are from the (Earth) Negative bus to negative marked positions on the components of Aircraft systems.

Wires banded White are from Sensors or Pick-ups to Sensor positions on components of the Aircraft systems.

Ensure that all electrical wiring is routed away from hot and moving components and that it is secured to the engine mount in the engine compartment.

Where the cable loom passes through the firewall it must be secured in punched grommets, holding the wire in the centre of the grommet. In the cabin area, the loom passes through the centre beam which provides protection. Ensure that wires are restrained by zip-ties before entering and after leaving the centre beam. Ensure they do not contact moving parts. Tachometer and Hourmeter Wiring (refer to Drawing 4119234, Diagram 1) Tachometer Negative (3) to Earth Bus #1 Tachometer Positive (4) to Instrument Bus #1 Tachometer (8) through Left grommet to Red Wire tachometer pick-up Tachometer (7) through Left grommet to Black wire tachometer pick-up Oil Pressure Wiring (refer to Drawing 4119234, Diagram 2) Black Oil Pressure Gauge Negative (-) to Earth Bus #2 Oil Pressure Gauge Positive (+) to Instrument Bus #2 Oil Pressure Gauge Sensor (S) to Oil Pressure Sensor (Fwd Top Eng) (G). Oil Temperature Wiring (refer to Drawing 4119234, Diagram 3) Oil Temperature Gauge Negative (-) to Earth Bus #2 Oil Temperature Gauge Positive (+) to Instrument Bus #2 Oil Temperature Gauge Sensor (S) to Oil Temperature Sensor

(Lower Left Eng Sump).

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Cylinder Head Temperature Wiring Instrument, Loom and sensor is supplied by manufacturer. These must be installed as per directions. Thermocouple wire is located under the rear spark plug of number 4 cylinder. Note:- The ring terminal should be carefully removed and replaced with a 12mm ring terminal. Ensure that wire is not chaffing on the fibreglass air duct or cooling fins Engine Hourmeter Wiring (Optional) (refer to Drawing 4119234, Diagram 4) Red Hourmeter Positive (+) to Instrument Bus #1 Black Oil Pressure Switch to Engine Sump Bolt. Black Hourmeter (-) to Oil Pressure Switch (Fwd Eng Left) Air Time Hourmeter Wiring (Optional) Red Hourmeter Positive (+) to Instrument Bus #1 Black Hourmeter (-) to Airswitch Black Airswitch to Earth Bus #11 Note:- Locate airswitch inside the instrument panel and to the left. Adjust the airswitch to 35-40 knots. Earth Wiring Black Battery Earth Negative (-) to Firewall Earth (Engine Bay) 10 Gauge Black Battery Earth Negative to Earth Bus #6 10 Gauge Strobe Power Supply Wiring (refer to Drawing 4119234, Diagram 5) Red Main Bus (3) to Strobe Fuse. Red Strobe Fuse to Strobe Switch (Lower) Red Strobe Switch (Upper) to Strobe Power Supply (+) Black Strobe Power Supply (-) to Earth Bus #5 Strobe Power Supply is fitted to the right hand side of the fuselage forward of the Sound Curtain Support. The fuse holder should be located on the left side of the lower instrument panel. Strobe Light Wiring The loom is partially assembled for fitment through the roof mount and out of the spine channel beside the VHF Antenna, dropping down to the Power Supply. Transistorised Ignition 1 Wiring (refer to Drawing 4119234, Diagram 6)

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Black No.1 Switch -Upper to Left Transistorised Ignition (Left Grommet) Black No.1 Switch -Lower to #10 Earth Bus Transistorised Ignition 2 Wiring (refer to Drawing 4119234, Diagram 7) Black No.2 Switch -Upper to Left Transistorised Ignition (Left Grommet) Black No.2 Switch -Lower to #10 Earth Bus Starter Wiring (refer to Drawing 4119234, Diagram 8) Red Starter Button Switch (lower) to #4 Main Bus. Red Starter Button Switch (upper) to Starter Solenoid (Right Grommet) Master Wiring (refer to Drawing 4119234, Diagram 9) Red Starter Solenoid to Main Fuse Red Main Fuse to Master Switch (Lower) Red Master Switch (Upper) to Main Bus #5 Note:- All master wiring is 10 gauge wire. Fuel Pump Wiring Red #3 Main Bus to Fuel Pump Fuse Red Fuel Pump Fuse to Fuel Pump Switch (Lower) Red Fuel Pump Switch (Upper) to Fuel Pump (Red Wire) Black Fuel Pump (Black Wire) to #6 Earth Bus Radio and Instrument Fuse Wiring (refer to Drawing 4119234, Diagram 11) Red #2 Main Bus to Rad/Inst Fuse Red Rad/Inst Fuse to #1 Inst Bus Auxiliary Power Wiring (refer to Drawing 4119234, Diagram 12) Red Plug Socket to Lighten Fuse Black Plug Socket to #7 Earth Bus Red Lighter Fuse to Main Bus # Regulator Wiring (refer to Drawing 4119234, Diagram 13) Pale Blue 16 gauge Pale Blue Wire Regulator plug - one Alternator Wire Pale Blue 16 gauge Pale Blue Wire Regulator plug - other Alternator Wire Black 10 gauge Black Wire Regulator Plug to Earth on battery Red 10 gauge Positive terminal on battery - Red Wire on Regulator Plug Red 16 gauge #1 Main Bus to Yellow Wire Regulator Plug Green Terminal is not connected

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Regulator Plug This diagram illustration shows where the wire comes from.

`

(16g) Alternator (10g) - Battery (16g) Alternator

(10g) + Battery (16g) + Main

Optional: (16g) Low voltage Warning light

`

Pale BlueBlackPale Blue

RedYellowGreen

Regulator Plug

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Battery Cables (refer to Drawing 4119234, Diagram 14) Black Starter Motor Mount (Engine Rear) to Battery Negative Red Battery Positive to Starter Relay Red Starter Relay (Switched) to Starter Motor (Part of) VHF Aerial Mounting Note: Top Half VHF Antenna Factory Fitted To Fin Post 1. Pre-screw 6g x 1/2” stainless pan head screw into 1/8” hole on top of aluminium bar. 2. Drill 5/32” hole 100mm up from bottom of bar for bottom screw. 3. Pre-fit bar to centre of fin post, (Drawing Ref No. 5060054 & 5062054 15mm below

top bar using 1/2” self-tapping screws. Note: It is important that this distance be accurate. 4. Remove bar. Using fibre flock as a bed, replace bar and glass in place using one

50mm wide glass strip. 5. Cure and drill 1/4” hole in left side of fin post, 20mm below top of lower bar for coax

cable.

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• Drawing 9451061 – Diagram 2

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• Drawing 9451061 – Diagram 3

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• Drawing 9451061 – Diagram 4

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• Drawing 9451061 – Diagram 5

Optional Hourmeter – Tacho has Hourmeter

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• Drawing 9451061 – Diagram 6

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• Drawing 9451061 – Diagram 9

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• Drawing 9451061 – Diagram 10

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• Drawing 9451061 – Diagram 11

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• Drawing 9451061 – Diagram 12

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• Drawing 9451061 – Diagram 13

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• Drawing 9451061 – Diagram 14