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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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Tapet adjusting screw. B16Views : 495 Replies : 6Users Viewing This Thread : |
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May 14th, 2020, 17:59 | #1 |
arcturus
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Tapet adjusting screw. B16
Hi, disaster today. Whilst adjusting tappets,the screw sheered off when I tightened the lock nut.Help needed in replacement. Don't know if it is the same screw as B18. A pis*er as I had just got it running nicely with no oil leaks.
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May 14th, 2020, 21:35 | #2 |
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Not the same as B18/20/30 #3581121
B16 #403155 Scandcar Euros 18.50 each. Swedish contact for a used one? |
May 15th, 2020, 10:20 | #3 |
arcturus
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Hi,Have been offered a complete rocker assembly for a very good price. Will go down that route. If one tappet adjuster screw is fatigues then the rest can't be far behind.
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May 15th, 2020, 10:22 | #4 |
arcturus
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Kishor Kassie, please private email me.Regards. (facebook is all screwed up)
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May 15th, 2020, 15:01 | #5 |
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They are very easy to break at the best of times. They need very little pressure on the spanner to have them "tight enough". They are a casting of some sort I believe.
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May 15th, 2020, 19:15 | #6 |
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I believe they are of steel, but are specially hardened to make them hard-wearing. Hardening, in turn, makes them brittle.
Having watched the following Amazon Cars video recently I was surprised to see how little torque Rob applied when tightening the lock nuts (by the looks of it). And he obviously knows what he is doing. https://www.youtube.com/watch?v=vg4bbJ2Mpj4 (see at about 2:29) |
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May 17th, 2020, 11:40 | #7 |
arcturus
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Having watched the amazon video I find that method quite awkward.Remembering which part of the sequence you are at. My method is setting number one cylinder at TDC.with dizy rotor pointing to7 o clock or thereabouts,The valves are closed so I adjust the tappets on no,1. Turn the engine so that the rotor moves 90* that should be TDC no. 3 cylinder and adjust. Further 90* gives no,4 tdc and further 90* gives no,2 TDC .B16 clockwise, reverse for B18-20. Is there any problem that you can see with this?
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