Hi. Si. How is the doka coming along
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Shed Seven
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I have a lapping tool thingymejig. You know the sort, the wooden stick with the sucker on each end. The kit came with 2. Piece of piss to use. I wouldn’t use a drill myself, it’s easy enough with the suckery chopstick things. If that takes too long then the seats probably need recutting.
Kev knows the score. Interesting read mate, thanks for the pics.
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I lapped them in using the wooden stick with the rubber suction cups on either end ,it took me about 3 hrs to lap 9 valves in as the valve seats in the head were in good condition , once I get the new valve and other parts I can start rebuilding the head .
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Originally posted by S49 View PostNot sure of the reason but the old tractor guy that used to come round for a chat reckoned you shouldn't do em with a drill, something to do with just going one way not sure but he was a cleaver old fella.
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I double checked the valves again and one was a bit shorter than the others 0.15 mm and it was running ever so slightly out of true.
The Haynes manual does’nt give a run out tolerance , so I made the decision to change the valve .
All the valves lapped in , valve ‘float ‘ in the valve guide checked and was within tolerance .
New valve stem oil seals fitted , new cam shaft oil seals fitted, new hydraulic tappets fitted .
Cam shaft end float checked and within tolerance .
Head now ready to fit .
Head fitted and torqued down and injectors fitted ( pic taken before injectors were fitted )
I’m waiting on a few more parts before I can crack on and fit everything else , new manifold nuts on order and I’m going to change the crank shaft oil seal ( cam belt end ) while I’m at it .
Sent from my iPhone using Just T4sLast edited by Fruitbat; 12 September 2020, 01:43 PM.
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