Chair Rollers

[GreenStratMan]

My rower is just over 5500km in two years. I recently noticed the seat is a little wobbly and I can hear occasionally clicking sounds.
Those rollers are touching the top of rail at only three points and never at four points.
Should I replace the top rollers? I would appreciate any advices on this issue.

Wow. My model c has the the original grey rollers in and it’s done about 12 million meters. There is no wobble. I’ve seen people changing their seat rollers on YouTube when they looked practically new.

What I’d try first is, slightly loosen the roller bolt nuts, put some weight on the seat and tighten the nuts back up. But it could be the bearings if it’s clicking you can just change those. It’s quite easy to do. I’d also make doubly sure the rollers and track are perfectly clean.

[shikyo]

Thank you I will try as you suggested….

[shikyo]

I loosened those seat roller bolts and tried to adjust orientation, however, the seat is still resting at three points.
I also removed the seat, and checked bearings, but I couldn’t see anything wrong with them. I am not a mechanic so I am not 100% sure about it. I have kept the rail and rollers clean by wiping after each use.

[GreenStratMan]

I loosened those seat roller bolts and tried to adjust orientation, however, the seat is still resting at three points.
I also removed the seat, and checked bearings, but I couldn’t see anything wrong with them. I am not a mechanic so I am not 100% sure about it. I have kept the rail and rollers clean by wiping after each use.

Are you able to slide something under one of the roller contact points? Or, how do you know there are only three points of contact? The reason I ask is because, if I put one hand at each diagonal seat corner I can rock the seat easily. But only because there is an intentional gap between the bottom rollers and the rail.

Sometimes a bearing will turn ok in your hand and only show its flaw under load.

[shikyo]

Yes, when three corners of wheels are touching the rail, the forth corners is about 1/32” above the rail. I didn’t noticed anything until a few days ago, however, I now could feel some jerkiness at the end of strokes. You are saying the four corners of wheels should not touch the rail same time at any moment, aren’t you? I wasn’t able to row for a couple of month, so I might be doing something different from before.

[GreenStratMan]

Yes, when three corners of wheels are touching the rail, the forth corners is about 1/32” above the rail. I didn’t noticed anything until a few days ago, however, I now could feel some jerkiness at the end of strokes. You are saying the four corners of wheels should not touch the rail same time at any moment, aren’t you? I wasn’t able to row for a couple of month, so I might be doing something different from before.

No, I’m saying that the two rollers underneath the rail don’t touch the rail because they don’t need to. My point being that it is easy to rock the seat. My point being it could be easy to think there is something wrong when there possibly might not be.

[RichBinAZ]

My rower is just over 5500km in two years. I recently noticed the seat is a little wobbly and I can hear occasionally clicking sounds.
Those rollers are touching the top of rail at only three points and never at four points.
Should I replace the top rollers? I would appreciate any advices on this issue.

If you are seeing a big gap at one of the rollers, it may indicate a failed bearing, or some misalignment of the roller with the seat.
Making things sit at 4 (or more) points is difficult 3 is easy.
Otherwise, the seat has always been a bit wobbly for me to sit on. Keeping the rail and rollers clean helps keep the rolling noises down.