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Author: Subject: Spot the Mistake
907

posted on 26/3/16 at 05:21 PM Reply With Quote
Spot the Mistake

Hi All,

It's engine out time to try to find the problem with my clutch.

I suspect the Mondeo concentric clutch slave unit and unfortunately it's an engine out job to inspect.
I did try a borescope but couldn't see the fault so I've bought a new engine crane, as second hand ones seem
to fetch as much as a new one. I'm ready for the removal of the final bolts and hope to lift in the morning.


I had to smile.



Can anyone spot the mistake?

Paul G

spot the mistake
spot the mistake

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Ben_Copeland

posted on 26/3/16 at 05:35 PM Reply With Quote
Im assuming it's the engine crane weight limit your talking about

[Edited on 26/3/16 by Ben_Copeland]





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Slimy38

posted on 26/3/16 at 05:38 PM Reply With Quote
quote:
Originally posted by Ben_Copeland
Im assuming it's the engine crane weight limit your talking about



LOL, even with this blatant clue I still had to spend five minutes figuring it out!!

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joneh

posted on 26/3/16 at 06:12 PM Reply With Quote
Excellent! Made in China?

My old boss once ordered some O rings from a manufacturer in China ( a very large amount ). They turned up with "insert customer logo here" printed on them.

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bi22le

posted on 26/3/16 at 06:22 PM Reply With Quote
Thats a sticker stuck on by someone that can not read the modern numeral notation!





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907

posted on 26/3/16 at 06:39 PM Reply With Quote
Well spotted chaps.

When I assembled the beast I must have glanced at it several times before it dawned on me.



Lets hope it works better than its painted.

Paul G

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blakep82

posted on 26/3/16 at 07:08 PM Reply With Quote
How many of you would get it right, painting chinese writing on there?





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tegwin

posted on 26/3/16 at 07:11 PM Reply With Quote
Technially it is right... it is One half tonne... rather than One AND a half tonne

[Edited on 26/3/16 by tegwin]





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balidey

posted on 26/3/16 at 07:42 PM Reply With Quote
How do you know that the end figure isn't right? It might have 3 wrong figures.





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myke pocock

posted on 26/3/16 at 09:22 PM Reply With Quote
Sleems to compricated for me to unnerstan!
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907

posted on 26/3/16 at 10:58 PM Reply With Quote
quote:
Originally posted by myke pocock
Sleems to compricated for me to unnerstan!




ah so

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907

posted on 27/3/16 at 12:25 PM Reply With Quote
Even if there was a cuck op with the numbers the crane did a super job of the engine lift.

Now to sort that clutch slave ( and a couple of other jobs that have come to light ).

How many versions are there of the Ford unit? I bet I order the wrong one.


Cheers
Paul G

Description
Description

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rusty nuts

posted on 28/3/16 at 04:34 PM Reply With Quote
Biggest mistake Paul was buying a crane, you could have borrowed my Epco crane on a semi permanent loan . Hope you get it sorted, did you spot any problems with the old slave ?
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907

posted on 29/3/16 at 07:29 AM Reply With Quote
Thanks for the offer Mel but I bought the eBay one as the seller supplied every measurement you could think of,
and as you know space is of a premium in my garage. The roof is only 2m and the up and over reduces that further,
plus the top rear of the crane frame has to allow the door to open.


Didn't see an obvious problem with the slave but I have a couple of theories. I'll take a pic later and try to explain.
The car did 400 miles last year before the clutch drag problem arose.

Paul G

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hkp57

posted on 29/3/16 at 08:36 AM Reply With Quote
quote:
Originally posted by myke pocock
Sleems to compricated for me to unnerstan!










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907

posted on 29/3/16 at 10:14 AM Reply With Quote
quote:
Originally posted by 907
Thanks for the offer Mel but I bought the eBay one as the seller supplied every measurement you could think of,
and as you know space is of a premium in my garage. The roof is only 2m and the up and over reduces that further,
plus the top rear of the crane frame has to allow the door to open.


Didn't see an obvious problem with the slave but I have a couple of theories. I'll take a pic later and try to explain.
The car did 400 miles last year before the clutch drag problem arose.

Paul G




To carry on:-

The pic shows the set up for the Getrag box to the Lotus 907 engine, with the Mondeo concentric clutch slave.
The bearing feels good and there was no sign of a leak, although the slave was second hand when I fitted it.
I have ordered a new one for the sake of 34.

Originally the back inside surface of the b/h was machined flat and two thicknesses of 12.7mm ally used as spacers.
I originally also made an additional 9.5mm spacer but didn't fit it. (shown laying in bottom of b/h)

I could have this thickness wrong. The (brand new) clutch (Lotus) could have bedded in, and now needs a tad more travel ?


I used 1/4" C/N hydraulic pipe and as you can see it has quite a loop at the top. Possible air trap ?

I'm thinking of buying (from Russbost ?) a braided flexy with a 90 deg elbow that will go direct from slave to master.
It may prove easier to bleed.

Mel, or anyone think of anything else I could have done wrong ?


Cheers,
Paul G


in Getrag 2 Lotus bell housing
in Getrag 2 Lotus bell housing

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rusty nuts

posted on 29/3/16 at 07:48 PM Reply With Quote
Might be worth checking the spigot bearing isnt causing the dragging, I've had that a couple of times . From the picture it doesn't look like there is any flexible hose in the
Pipe work , I would have thought it would be a good idea to fit one as a rigid system is more likely to fail . Another thing to check whilst the engine is out , make sure the clutch plate moves freely on the first motion shaft. Check the clutch pedal and the master cylinder pushrod as well . I wouldn't have thought that having the master cylinder down below the slave would cause problems but it may be a good idea to perhaps try a residual pressure valve to maintain light pressure in the system , just a couple of PSI , I don't know offhand of any with larger thread sizes to fit your pipe work . As the clutch wears the clearance between the thrust bearing and the slave will alter , check perhaps by taking the clutch plate out and fitting a spacer approx the thickness of a worn clutch plate?. If all else fails fit a Xflow and type 9 box!

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907

posted on 30/3/16 at 06:48 AM Reply With Quote
Cropped from previous photo.

Description
Description



It was easy to miss Mel


I found this. eBay Item that has M10x1 threads.


Thanks for the helpful reply Mel.
Cheers
Paul G

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rusty nuts

posted on 30/3/16 at 05:32 PM Reply With Quote
It's all right now Paul , I've been to Specsavers.
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