Crank axial play check and flywheel change

kli · Aug 23, 2012

Hi,

I was checking axial play of crank on flywheel side, by pulling it out and in.
Can it be measured like what I do on picture?

I measure 0,6 mm, like what I was reading in 'doc, that is ok for 2 roller bearings.
Do you know what type of bearings were used in FE501 2003, in spare part is listed 2xNJ206, found in specification that this is roller type bearing, what means that i'm in specification, is that true?

Sorry I just want to be sure

Other thing is that when I put new flywheel, I couldn't push it to end, so that flywheel and edge on crank become aligned, is this normal?
Difference is 0,2mm.
I don't remember position from old one :roll:

thanks

kli · Aug 28, 2012

any suggestions?

zaga · Aug 28, 2012

Hi Kli

I don't have here the sheets were I've wrote that info, but will try to help as I can.

For the axial play I measure it on the crank (center bolt of the flywheel), not on the flywheel and I use a dial gauge with a suport that you fix in to the frame. Also I take out the flywheel, because after you pull it out, your crank will be as loose as it will be (did I make myself clear ?).

About the bearings, I think you have one roller (right side) and one ball bearing (left side). I think the ball is a 6206 and I allways change it for the ETN9 one that will support a higher load, and the roller don't remember if its one NJ or NU and I think its a 205E.

For me 0,6 mm (if its well measured) is still good.

About the flywheel , mine is also like that, not on the edge. You just check if it touches the stator and you are ok.

Hope it helps

:cheers:
ZAGA

kli · Aug 28, 2012

Hi Zaga

zaga said:
For the axial play I measure it on the crank (center bolt of the flywheel), not on the flywheel and I use a dial gauge with a suport that you fix in to the frame. Also I take out the flywheel, because after you pull it out, your crank will be as loose as it will be (did I make myself clear ?).

Yes I agree, it hard to do it with vernier caliper like what i did it. I repeat measurements couple of times and they were all somewhere like this 0,5-0,6.
Will try to find some dial up gauge and repeat on the way like you described.

zaga said:
About the bearings, I think you have one roller (right side) and one ball bearing (left side). I think the ball is a 6206 and I allways change it for the ETN9 one that will support a higher load, and the roller don't remember if its one NJ or NU and I think its a 205E.

I was suppose that there will be some mix up between documentation and real state.

thanks for info.

Crank axial play check and flywheel change

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