Is my chain threaded through the rear derailleur correctly?

[Salty seadog]

I have recently changed my chain myself for the first time, the rear derraileur is a Shimano RD-M662SGS, SLX FOR 9-SPEED. I have some annoying chatter coming from the rear despite repeated indexing and adjustment of the B screw which provides for good shifting in nearly all gear combinations. The chatter is worse in some gears than others and almost non existent in a few.

I am not sure if I have threaded it through the jockey wheels and hanger correctly. Between the jockey wheels is a small metal plate and I have threaded the chain forward of this.
Is it possible that the chain should be to the rear of this plate?

Not the best pictures I'm afraid, taken in a hurry before leaving for work but I hope the description is clear enough.

Will be a week before I can get back together with the bike and all advice appreciated.

Cheers....

ssd

 

[derrick]

Not a very clear pic.

 

[Scoosh]

I'd say YES [EDIT - or maybe it should be NO - see below ] - the chain should run between the plate and the jockey wheel. I think the plate is a sort of retainer to keep the chain from jumping off the jockey wheel.


DAMHIKT

 

[helston90]

No- I've done this- behind where it says 'SHIMANO' on the second picture is a little pin to keep the chain running straight between jockey wheels- you've wrapped it the wrong side of that- hence the bulge!

Easiest thing to do is to remove the lower jockey wheel and slightly open up the derailleur until the chain is on the correct side and re install jockey wheel.

 

[Psycolist]

I agree. The chain should run in a straight line between jockies. Also possible, if not using a chain connecting link, but a chain breaker/maker tool, that there is a tight link where the join was made. ?

 

[Scoosh]

I'd say YES - the chain should run between the plate and the jockey wheel. I think the plate is a sort of retainer to keep the chain from jumping off the jockey wheel.


DAMHIKT

No- I've done this- behind where it says 'SHIMANO' on the second picture is a little pin to keep the chain running straight between jockey wheels- you've wrapped it the wrong side of that- hence the bulge!

Easiest thing to do is to remove the lower jockey wheel and slightly open up the derailleur until the chain is on the correct side and re install jockey wheel.

Despite appearances to the contrary, I think we are saying the same thing !

I couldn't see clearly from your pics the bit of the chain-line to which I was referring but I know I've done it wrong in the past, heard the noise, had a look, had a DOH moment, made the adjustment (break chain, re-thread correctly, reconnect chain) and the silence was deafening !

Hope you get it sorted one way or another !

 

[User6179]

I did 30 miles with my chain like that , mostly into a head wind , the hardest day I ever had on a bike , was a Shimano rear mech and I still have the marks where the chain nearly sawed through the metal
I had fitted the chain under an energy saving bulb the nite before and couldn't see what I was doing .

As been said loosen jockey wheel is the easiest way to fix .

 

[helston90]

Despite appearances to the contrary, I think we are saying the same thing !

I thought the same thing especially as we both answered with yes/ no.
Your yes was the ops final question and my no was to the thread title. Ah well. Hopefully solved now.

 

[Salty seadog]

No- I've done this- behind where it says 'SHIMANO' on the second picture is a little pin to keep the chain running straight between jockey wheels- you've wrapped it the wrong side of that- hence the bulge!

Easiest thing to do is to remove the lower jockey wheel and slightly open up the derailleur until the chain is on the correct side and re install jockey wheel.

I agree. The chain should run in a straight line between jockies. Also possible, if not using a chain connecting link, but a chain breaker/maker tool, that there is a tight link where the join was made. ?

This was my thinking after having a look at it just stood out as wrong

 

[Salty seadog]

Thanks guys....

 

[mrandmrspoves]

I admit to being another person who has done this (twice) and should have known better (especially the 2nd time)
More haste, a lot less speed :-)

 

[screenman]

I did 30 miles with my chain like that , mostly into a head wind , the hardest day I ever had on a bike , was a Shimano rear mech and I still have the marks where the chain nearly sawed through the metal
I had fitted the chain under an energy saving bulb the nite before and couldn't see what I was doing .

As been said loosen jockey wheel is the easiest way to fix .

That is a good excuse, do you mind if I save it for use later.