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Engine Maintenance Manual
Jabiru Aircraft
Pty Ltd
JEM0002-5
Jabiru 2200 & 3300 Aircraft Engines
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ISSUE
1
2
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5
Dated : 2nd June 2015
Issued By: AS
Page: 18 of 103
L:\files\Manuals_For_Products\Engine_Manuals\Engine Maintenance Manual 22 & 33\JEM0002-5.docx
Table 8
– Oil SAE VS Commercial Designations
Equivalence of SAE and commonly used Commercial Grade designations:
SAE:
20
30
40
50
60
Commercial:
55
35
80
100
120
Figure 1
– Oil System Schematic
3.9
Cooling System
Type:
Free air cooled.
Pressure:
The required pressure drop across the cylinders at 1.3 V
s
(clean stall speed) is 4.3
cm (1.7") water gauge, minimum.
A minimum of 6cm (2.4”) is recommended at
cruise speed.
Note: Proper cooling is vital for engine operation. Values given are for a typical Jabiru
Aircraft. Values will differ for other installations or configurations; refer to the Jabiru
Engine Installation Manual for additional details.