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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: 160 of 201
L:\files\Manuals_For_Products\Engine_Manuals\Overhaul_Manual\JEM0001-7_Overhaul_Manual_DRAFT_(29_10_14).docx
9 Appendix A - Build Sheets & Test Cards
– APPROVED SECTION
9.1 Torque Settings
9.1.1 Table of Torque Specifications
Table 9
– Torque Specifications
Part
Nom. Dia
Torque: nm
Torque ft.lbs
Alternator & coil mount bolts
1/4"
14
(10)
Camshaft gear bolts (lock wired)
1/4"
11
(8)
Carburettor flange cap screws
1/4"
11
(8)
Connecting rod cap screws
5/16”
24
(18)
Crankcase main studs / through bolts
3/8"
7/16”
47
58
(35)
(43)
Crankcase front studs
3/8"
7/16”
40
47
(30)
(35)
Propeller flange cap screws
3/8"
40
(30)
Cylinder head cap screws
5/16"
34
(24)
Engine mount plate bolts
1/4"
14
(10)
Engine mount plate bolts
5/16"
16
(12)
Flywheel-crank cap screws
5/16”
3/8”
34
40
(24)
(30)
Starfish
– alloy flywheel cap screws
1/4
”
11
(8)
Gearbox cover cap screws
1/4"
14
(10)
Oil Pump cap screws
5/16"
20
(15)
Jabiru Wooden Propeller bolts
1/4"
8
(6)
Starter motor cap screws
1/4"
14
(10)
Spark plugs: torque to value given OR
Tighten the plug until it contacts the head
then rotate it for another half turn (180°).
12mm
11
(8)
Sump cap screws
1/4"
14
(10)
Tappet cover cap screws
1/4"
14
(10)
Mechanical fuel pump cap screws
5/16”
24
(18)
Cylinder Head Cap Screws
5/16”
34 Initial
27 after 25 hours
(24) Initial
(20) after 25 hours
Jabiru Propeller Bolts (using multiple
Belleville washers)
1/4"
8
(6)
Generic torque setting: ¼” UNC thread
1/4"
14
(10)
Generic torque setting: ¼” UNF thread
1/4"
14
(10)
Generic torque setting: 3/16” UNC thread
3/16”
8
(6)
Generic torque setting: 3/16” UNF thread
3/16”
8
(6)