Aircraft Technical Manual
Jabiru Aircraft
Pty Ltd
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
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ISSUE
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Dated: 29th October 2014
Issued By: AS
Page: 195 of 298
7
Engine & Engine Installation
7.1
Engine Cowls
7.1.1 Description
The engine cowls comprise both an Upper and Lower composite structure.
The Upper Cowl is fitted with locating Cam Locks at the front & rear of the cowlings. Hinges run
along the join lines on either side, holding the top & bottom together. The Lower Cowl is attached to
the Fuselage with machine screws mounting into anchor nuts.
Due to space constraints not all different variations are shown herein. When ordering spare parts
provide as must detail as possible
– part description, aircraft model, serial number etc to Jabiru to
ensure accurate part identification.
7.1.2 Upper Cowl Removal
Required Tools:
Screwdrivers
Parts and Material:
N/A
Type of Maintenance:
Line Maintenance
Level of Certification:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
Return to Service:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
1.
Remove the Cam Locks from the front & rear of the cowling.
2.
Remove Hinge Pin.
3.
Grasping the cowl around the front nose, pull carefully upwards.
4.
Remove the cowl.
5.
Replace the cam locks in the cowling to ensure they are not misplaced.
NOTE: Always ensure that the cowl is placed in a position where it cannot be damaged by
persons walking around the aircraft or by wind.
6.
Reverse the preceding steps for installation.
WARNING
Ensure the cam locks are properly engaged before starting the engine.
7.1.3 Lower Cowl Removal
Required Tools:
Screwdrivers
Parts and Material:
N/A
Type of Maintenance:
Line Maintenance
Level of Certification:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
Return to Service:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
1.
Remove the top cowl
– Refer above.
2.
Disconnect the engine air inlet SCAT hose and cabin heat inlet hose (if fitted)
3.
Remove lower cowl screws at rear of cowl.
4.
Reverse the preceding steps for installation.