Jabiru Aircraft
Pty Ltd
Instruction & Maintenance Manual
Jabiru 2200 Aircraft Engine
Hydraulic Valve Lifter Models
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REVISION
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9
Dated : June 2010
Issued By: DPS
Page: 102 of 116
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12.3 MAXIMUM ALLOWABLE CLEARANCES (Wear Limits)
(All Dimensions are in Millimetres)
Mains
0.10
Big Ends
0.08
Little Ends
0.03
Camshaft Journals
0.08
Crank End Float
0.80
Cam End Float
0.50
Lifter - Crankcase
0.19
Piston/Cylinder
0.15
Ring Side Clearance
0.05
Pin/Piston
0.04
Ring End Gap
1.20
Inlet Valve/Guide
0.10
Exhaust Valve/Guide
0.12
Min Spring Length
38.00
Distributor Shaft/Post
0.10
Distributor Shaft End Float 1.20
Cylinder Dia at Half stroke 97.65
Rocker Shaft/Rocker Arm 0.18
Oil Pump Gears
0.15
Bearing Clearances main 0.04
– 0.09 typical
Big Ends
0.04
– 0.06 typical
Note: Variation can occur, overall tolerances may be acceptable with advice from Jabiru
Aircraft Pty Ltd.