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Engine Maintenance Manual
Jabiru Aircraft
Pty Ltd
JEM0002-5
Jabiru 2200 & 3300 Aircraft Engines
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ISSUE
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Dated : 2nd June 2015
Issued By: AS
Page: 37 of 103
L:\files\Manuals_For_Products\Engine_Manuals\Engine Maintenance Manual 22 & 33\JEM0002-5.docx
Figure 19
– Valve Spring Compressor / Collet Remover
Modified sash clamp shown (commercial types are also available). Used to compress the
valve spring to allow the collets to be removed from the valve and then the valve to be removed
from the head. Also used for installation.
Figure 20
– Leak Down Tester
Figure 21
– Hand Press & Inserts
A hand press is used to install rocker bushes, distributor shaft and crankshaft seals. Inserts
are made for the press to suit the parts.
Figure 22
– Optical Tachometer
An adaptor is made by welding a compressor air fitting to the
base of an old spark plug. The adaptor is screwed into the spark
plug hole of a head and connected to the leak-down tester to
check the condition of the cylinder assembly.
An accurate optical tachometer. Reads directly from reflective
strips fitted to the propeller and is used whenever an accurate
check of RPM is required. Will usually read propeller RPM in
sunlight without reflective strips.