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Jabiru Aircraft
Pty Ltd
Instruction & Maintenance Manual
Jabiru 2200 Aircraft Engine
Hydraulic Valve Lifter Models
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REVISION
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Dated : June 2010
Issued By: DPS
Page: 49 of 116
L:\files\Manuals_For_Products\Engine_Manuals\Transition\JEM2204-9_I&M_unsigned.docx
Figure 14. Drawing 944064
– Valve Guide Replacement
Note - When cutting seats cut enough to clean up but try to remove as little as
possible. This will give maximum number of overhauls on heads. The diagram
below gives general valve seat cut geometry. Engines use seat width cut from
approved dwg. 4797004(I) and 4790004(E).
Figure 15. Valve Seats
7. Use ground and serviceable valves to check seat contact.
Note - If machine has a vacuum tester, vacuum test valves
8. Heads of valves must be above the level of the combustion chamber. If
they are below, the valves and heads must be replaced. Minimum deck