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Engine Overhaul Manual
Jabiru Aircraft
Pty Ltd
Jabiru 2200 & 3300 Aircraft Engines
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ISSUE
1
2
3
4
5
6 7
Dated : 28/10/2014
Issued By: AS
Page: 17 of 201
L:\files\Manuals_For_Products\Engine_Manuals\Overhaul_Manual\JEM0001-7_Overhaul_Manual_DRAFT_(29_10_14).docx
In all cases this information refers to the configuration of the engine when it was originally built.
In many cases this information will be changed
– such as if the engine is upgraded to a newer
configuration at overhaul. The overhauler must be aware of the potential for these changes and confirm
the engine configuration before beginning re-assembly.
2.13.3 Part Identification
Several components of the engines have been revised since the engines entered production. In some
cases important differences between parts cannot be distinguished easily by inspection. In these cases
identification markings have been applied to the parts. Where applicable, these markings will be shown
and explained in the body of the manual below.
2.13.4 Cylinder Numbering Convention
Figure 3
– Cylinder Numbering Convention
2.13.5 Cylinder heads
The cylinder heads are machined from solid aluminium billet and are fitted to the cylinders by means of
6 retaining cap screws per head.
2.13.6 Valves, valve guides and seats
Stainless steel valves run in press fitted aluminium/bronze valve guides and seat against nickel steel
valve seats that have been shrunk fit into the cylinder heads.
2.13.7 Cylinders
Cylinders are machined in one piece from solid bar 4140 chrome molybdenum alloy steel, with the
pistons running directly in the steel bores.
2.13.8 Pistons
The pistons are machined from aluminium castings and have 3 rings, the top 2 rings being cast iron to
compliment the chrome molybdenum cylinder bores. The gudgeon pin (wrist pin) is of the full floating
type and is retained by a circlip at each end.
2.13.9 Connecting rods
The connecting rods are machined from solid bar 4140 chrome molybdenum alloy steel.
They have replaceable bearing inserts in the crankshaft ends (big ends) and the piston ends (small