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Jabiru Aircraft
Pty Ltd
Installation Manual
Jabiru 3300 Aircraft Engine
REVISION
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Dated : 1
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Dec 2016
Page: 56 of 56
15 Engine Installation Checklist
ENGINE MOUNT
AIR INDUCTION SYSTEM
Positions engine for correct aircraft CG
“Cobra Head” fitted
Positions engine for correct thrust line
Duct to carburettor as direct as possible
Sufficient strength
No sharp edges or sharp corners in system
Sufficient stiffness
Carburettor heat system working correctly
Provides access for maintenance
Backfire flap fitted to air box
Provides clearance
– the engine and mount
are not rubbing on other parts of the aircraft.
Drain holes drilled in air box
Carburettor sense pipe connected correctly
ENGINE CONTROLS
EGT’s evaluated
Control cables bend radii sufficient
EXHAUST SYSTEM
Control cables not rubbing on other parts.
Sufficient clearance
– no rubbing on aircraft.
Control cables set up to work in the correct
direction
Heat muffs for carb and cabin heat included.
Outlet positioned correctly
ELECTRICAL SYSTEMS
Noise levels satisfactory
Correct sized circuit beakers used
COOLING
Connections for power & earth correct size
Cowl inlet / outlet ratio correct
Correct type of sender units used for
instruments (i.e. resistive or voltage type).
Cowl inlets located & shaped correctly
Cowl outlets located & shaped correctly
Sender units used chosen to suit typical
parameter ranges of a Jabiru Engine
Cowl inlets “sealed”
Crankcase and coil cooling correct
Aircraft grade wiring used.
Pressure differentials correct
CHT cold junction positioned correctly.
Engine temperatures correct
EGT probe located correctly.
Starter solenoid earthed
Regulator earthed
Battery mounted close to the engine
Anti RF noise measures taken
FUEL SUPPLY SYSTEM
Electric backup pump installed
Electric pump supply pressure within limits
Fuel line bend radii sufficient
All fittings fwd of firewall fireproof
System designed to prevent vapour-lock