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Lube oil sweating

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Re: Lube oil sweating

Postby Garyo » Mon Oct 26, 2015 7:19 pm

Deano

When ever attempting a repair, the user must ensure large hammer and suitable drift be at hand to remove said shaft. A leak in this magnitude will certainly be detrimental to the user. See my e book £50.00 + internet post n packing £10.00

Paypal to imfullashit@cockmail.fr
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Jabiru 450 UL
Engine serial 1041
1 CHT sensor on No 4 under plug
No Exhaust temp sensors
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Microair radio
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Re: Lube oil sweating

Postby diablo » Tue Oct 27, 2015 12:07 pm

I would recommend and "advanced" skills course before attempting removal of O ring.
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Re: Lube oil sweating

Postby skyjeep » Sat Oct 31, 2015 1:30 am

I've changed valves twice now and cant understand why the rockers are ever removed (the way the manual calls for)

When my heads come off so do the pushrod tubes complete with pushrods inside if careful enough they go back on the same way.

care is needed to refit the heads with the cam lobes not in raised position also pushrods need to be seated under the rocker cups before bolting the head home

if I were to have pulled the pushrod tubes through the heads then back again, I think the pushrod O rings would have a hard time working again. Is there a sane reason to do it the Jabiru way?
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Re: Lube oil sweating

Postby diablo » Sat Oct 31, 2015 11:44 am

The procedure I use is as follows:

1. remove rocker adjustment screw and lock nut
2. loosen off head bolts and remove
3. remove push rod tubes and push rod (rotate to ease off without damaging seals)))))))

When reassembly, everything is done the opposite way round :

1. Fit push rod tubes and push rods to crankcase (a little grease on ends of tubes works wonders)
2. Align push rod tubes to holes while fitting head head (again a little grease along with gently rotating tube)
3. Ensure everything is snug and rotate tubes before tightening head bolts
4. Torque head bolts
5. Fit tappet adjustment screw and lock nut.

The procedure works for me ! Everything should go into place correctly and the final job once head is torqued to spec is to set your tappet gaps.

If there is enough interest, I would be happy to document, add images and make it available (free) along with any other tips and advice from other forum members.
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Re: Lube oil sweating

Postby Garyo » Sat Oct 31, 2015 5:13 pm

Deano, i have a pile of pics from when we did yours and mine if your short, but a picoral ebook would be good for users who have not tackled the job, i wiuld set this though as JOG members can only view it, so they need to register on the site to see it
G
Former Owner of
G-OMER
Jabiru 450 UL
Engine serial 1041
1 CHT sensor on No 4 under plug
No Exhaust temp sensors
No glass panel
No xponder
Microair radio
No bells and whistles
User avatar
Garyo
Site Admin
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Posts: 323
Images: 4
Joined: Fri Feb 06, 2015 7:52 pm

Re: Lube oil sweating

Postby dcnfsr » Thu Jun 16, 2016 11:06 pm

Did the 'ebook' ever get put together? I guide to this is just what i'm after!
Jabiru SP470
Engine No: 1759
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Re: Lube oil sweating

Postby kevin814 » Sun Jun 19, 2016 12:24 am

I think it was just some humor, judging by the shipping cost for an E-book and the paypal address. I enjoyed it though. Well done sir. :lol:
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Re: Lube oil sweating

Postby dcnfsr » Mon Jun 20, 2016 5:20 pm

haha, yes i got the humour from garyo, but diablo did mention the possibility of putting together a document for this.

as it happens I've managed to take off the cylinder head and barrel fairly easily and with some help from someone who's done a jab strip before.
Jabiru SP470
Engine No: 1759
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Re: Lube oil sweating

Postby Garyo » Mon Jun 20, 2016 7:50 pm

Sorry for the humor, but the previous post too it was genuine, i have lots of pics of the task if anyone wanted to do an e book for the first timers, was going to do a video at the time but was on my own when i did it, you need a camera man
Former Owner of
G-OMER
Jabiru 450 UL
Engine serial 1041
1 CHT sensor on No 4 under plug
No Exhaust temp sensors
No glass panel
No xponder
Microair radio
No bells and whistles
User avatar
Garyo
Site Admin
Site Admin
 
Posts: 323
Images: 4
Joined: Fri Feb 06, 2015 7:52 pm

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