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Engine Overhaul Manual
Jabiru Aircraft
Pty Ltd
Jabiru 2200 & 3300 Aircraft Engines
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Dated : 28/10/2014
Issued By: AS
Page: 85 of 201
L:\files\Manuals_For_Products\Engine_Manuals\Overhaul_Manual\JEM0001-7_Overhaul_Manual_DRAFT_(29_10_14).docx
Figure 100
– 3300 Engine Sumps
Very old type 2200 & 3300 engines used sumps where the induction manifold was cast as a part of the
sump, with the intake tubes exiting the manifold at 90°. These sumps must be replaced with a newer
type at overhaul.
2200 engines: check the sump type
– the older, finned sump is smaller, while the new, larger sump has
no fins. Finned sumps on 2200 hydraulic lifter engines must be replaced with the current model, larger
sump. This will reduce crankcase pressure and excessive blow-by of engine oil into the overflow bottle.
Either sump may be used on a solid lifter engine. Note that although the sump volume was increased
the oil capacity stayed the same. Different oil cooler mounting brackets are required for each sump.
3300 engines: two types of sumps, shown in Figure 100, are acceptable for use. Note the intake tubes
leaving the manifold at an angle.
5.12.1.2 Cleaning
Remove drain plug and temperature sensor and clean threads. Use a scraper made from Perspex or
similar
material
to
remove
any
sealing
compound
from
the
jointing
surfaces.
Clean the sump with kerosene and dry. Blow out all holes.
5.12.1.3 Inspection And Repair
Inspect the sump for any signs of cracking around the bolt holes on the flange, and check the threads in
the drain and temperature sensor mounting holes.
Check your dipstick length against the limits given in Table 10: Measure from the top of the dipstick
handle to the Full and Low marks.