I'm a little confused on the tighten of the fly wheel centre nut

Matthew-Brisbane

Matthew-Brisbane

Life time member

Number of posts : 762

Hello Guys

I'm a little confused on the tighten of the fly wheel centre nut

Step 1 tighten to 140 Nm ( understand )
Step 2 back off till lose ( Understand )
Step 3 tighten to 50Nm ( is that all ??? )
Step 4 Rotate to 50 Deg ( I dont understand ??? )

Rick G

Rick G

admin

Number of posts : 12054

That means you turn the nut a further 50° after it has been tightened to 50Nm. All I have ever done is hit it with the rattler to 90ft/lb then slack it off then take it to 50 which is setting 1.5 on my rattler and then turn it about 1/8th turn. Never had a problem.

Matthew-Brisbane

Matthew-Brisbane

Life time member

Number of posts : 762

thanks Rick

So there is no final torque setting ?

seem strange to me but then Im not an engineer

Rick G

Rick G

admin

Number of posts : 12054

The head bolts are done the same way and many of the big diesels the rod bolts are done by measuring the stretch of the bolt with a micrometer.

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1 I'm a little confused on the tighten of the fly wheel centre nut Mon 9 Jul 2018 - 13:17

Matthew-Brisbane

2 Re: I'm a little confused on the tighten of the fly wheel centre nut Mon 9 Jul 2018 - 14:30

Rick G

3 Re: I'm a little confused on the tighten of the fly wheel centre nut Mon 9 Jul 2018 - 15:26

Matthew-Brisbane

4 Re: I'm a little confused on the tighten of the fly wheel centre nut Mon 9 Jul 2018 - 16:10

Rick G

5 Re: I'm a little confused on the tighten of the fly wheel centre nut

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