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oil system diagram Jab 2200

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avidflyer01

Joined: 07 Jun 2007
Posts: 9

Posted: Wed Sep 26, 2007 11:43 am Post subject: oil system diagram Jab 2200

hi folks does anyone happen to have a drawing representing the oil

system of the hyd tappets version of Jabiru 2200?  How the main oil gallery splits into tappets and head supply? I have seen one

somewhere but don't remember where.

if possible, you could email me directly vegayacht -.-club.fr

martin

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Andy Silvester

Joined: 10 Jan 2006
Posts: 18
Location: Marica, Rio de Janeiro, Brazil

Posted: Wed Sep 26, 2007 12:22 pm Post subject: Re: oil system diagram Jab 2200

I'm not sure if there is an oil circuit diagram for the hydraulic tappets; Jabiru's latest I&M manual has the same drawing as before, and the lifters aren't shown. However, I can tell you they are fed directly from the main oil gallery through the case to the bearings. Hope this helps.



Andy

Suncoast Sportplanes Inc.

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craig(at)craigandjean.com
Guest

Posted: Wed Sep 26, 2007 12:23 pm Post subject: oil system diagram Jab 2200

 	  Quote: 	
		   hi folks does anyone happen to have a drawing representing the oil system

of the hyd tappets version of Jabiru 2200?
	




I think what you want is on page 92 of revision 3 of the "Instruction &

Maintenance Manual - Hydraulic Valve Lifter Models", "Figure 38. Oil System

Schematic"



http://www.jabirupacific.com/pdf/2200ManualHyd.pdf



-- Craig

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avidflyer01

Joined: 07 Jun 2007
Posts: 9

Posted: Wed Sep 26, 2007 10:29 pm Post subject: Re: oil system diagram Jab 2200

[ However, I can tell you they are fed directly from the main oil gallery through the case to the bearings. Hope this helps.

Andy

Suncoast Sportplanes Inc.[/quote]



thank you Andy,

if I understand correctly, (as the main gallery runs on the left side of the engine case), the first to get oil is exhaust tappet (head N°2), then the intake tappet (head N° 2), then the lube tube that brings oil to rockers, then intake tappet (N°4) and then exhaust tappet (N°4).

QUESTION: IS IT POSSIBLE THAT IN SOME WAY TAPPETS DIMINISH THE QUANTITY OF OIL DELIVERED TO ROCKERS????? I get much less oil in rocker boxes than other Jabs2200.....

From what  I understand, the brass fitting (from which starts the lube tube to left rocker boxes) has a 2mm hole looking up, and which meets, once the fitting is inserted into its recess, what is probably the main oil gallery feed. Correct? 

That same recess has another hole at its bottom (looking towards the center of the case) thru which some  oil (which didn't go up the left rocker lube tube but leaked around the brass fitting) can go - I suppose this carries oil to the right side rocker lube tube and tappets? correct?

how is the oil then distributed?

thank you Andy for taking a few minutes to explain.

martin

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