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Engine Overhaul Manual
Jabiru Aircraft
Pty Ltd
Jabiru 2200 & 3300 Aircraft Engines
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ISSUE
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Dated : 28/10/2014
Issued By: AS
Page: 117 of 201
L:\files\Manuals_For_Products\Engine_Manuals\Overhaul_Manual\JEM0001-7_Overhaul_Manual_DRAFT_(29_10_14).docx
7.4 Subassembly D
– Sump
It is acceptable to fit the induction plenum chamber to the sump before fitting the sump to the engine.
However for this manual the sump will be fitted first and the plenum later.
If the crankcases have been surfaced and line-bored it is possible that the sump dowel pins may not
align correctly. After the crankcases have been joined the sump must be dry-fitted to confirm that
everything lines up as it should. In some cases some of the mounting holes through the sump may
have to be enlarged slightly using a small round file and the locating pins may not fit. This is unusual
and generally should not occur, provided that the cases have not been surfaced by more than the
maximum allowable amount. Check for alignment of all mounting screws and for the fit of the sump
against the gear case at the rear of the engine.
After dry fitting, ensure that all dowels are in place (if applicable
– early engines had none).
Fit a new O ring to the oil filler housing and to the dipstick.