How do you repack crank bearings with grease without taking everything apart?

[derekc]

How do you repack crank bearings with grease without taking everything apart?I did some research and didn't find the answer I need.
Bearings are good and clean (with brake cleaner). Just need to grease them well. I was looking for something like a Syringe that can inject grease. How else?

 

[PB]

Are the bearings sealed? If they are leave them alone, should be good.

Open? Just give them a light coat of 2 stroke oil.

Brake cleaner? You might want to hurry with the oil before they rust solid.

 

[blsnelling]

Are you yankin' our chain?

 

[derekc]

Are the bearings sealed? If they are leave them alone, should be good.

Open? Just give them a light coat of 2 stroke oil.

Brake cleaner? You might want to hurry with the oil before they rust solid.

I read somewhere that bearing should have no seals on them because the outer vacuum seals need lubrication too. Mine have no seals on them.

2 stroke oil doesn't quiet the crank down. Grease does a good job.

 

[derekc]

Are you yankin' our chain?

What do you mean? Yes, it is for a 026 chainsaw.

 

[Tree Sling'r]

I read somewhere that bearing should have no seals on them because the outer vacuum seals need lubrication too. Mine have no seals on them.

2 stroke oil doesn't quiet the crank down. Grease does a good job.

Grease em' really good, hate to have noise.

 

[Saw Dr.]

You do NOT "repack" crank bearings on a saw with grease. If you do, the balls will end up skidding and the bearings will fail even faster. The 2 stroke oil lubes them. If they are loose or noisy, they need to be replaced very soon. Otherwise, you'll get to buy a crankcase too. They probably need to be replaced anyway, now. If you hosed them out with brake kleen, they're probably flash rusted. There is not alot of room for error on a bearing that turns 13000 RPM and supports the whole load of the crankshaft and drive assy on a saw.

 

[Saw Dr.]

Grease em' really good, hate to have noise.

You rock! :rockn: Rep on the way!

 

[blsnelling]

Grease em' really good, hate to have noise.

:greenchainsaw:

 

[derekc]

You do NOT "repack" crank bearings on a saw with grease. If you do, the balls will end up skidding and the bearings will fail even faster. The 2 stroke oil lubes them. If they are loose or noisy, they need to be replaced very soon. Otherwise, you'll get to buy a crankcase too. They probably need to be replaced anyway, now. If you hosed them out with brake kleen, they're probably flash rusted. There is not alot of room for error on a bearing that turns 13000 RPM and supports the whole load of the crankshaft and drive assy on a saw.

DO NOT? The noise is "clean metal" bearing noise. I have 2-stroke oil on them but the noise is still there. Grease can quiet them down.

Still confused.

 

[HimWill]

Bowtie,I think, recently posted a thread where he worked over an 026.Good pictures and info.The clutch-side is a dealer-only deal,I think he got it fixed for less than $100.Do a search.
Replace them now.

Here's the thread:

http://www.arboristsite.com/showthread.php?t=93578&highlight=026+bearings

 

[PB]

DO NOT? The noise is "clean metal" bearing noise. I have 2-stroke oil on them but the noise is still there. Grease can quiet them down.

Still confused.

Grease doesn't burn in a 2 stroke engine. If you "pack" the bearings with grease it will gum everything up inside the engine. Like B200 said earlier, it will cause the bearings to slide instead of roll.

 

[blsnelling]

If they're totally smooth with no radial play, use them. Why replace good expensive bearings? That's like replacing a cylinder when all it needs is rings.

 

[wigglesworth]

let me try to help. Are you saying you have the saw apart, and are spinning the crank by hand and have a metal to metal noise, or are you saying that while running you hear some noise coming from the bottom end? With no lube (ala brake cleaner) you might hear a little noise coming from them when spinning them dry, but no grinding or binding should be there. Crank bearings should have no movement up/down left/right, spin freely and be noise free. oh yea, dont grease them.

 

[blsnelling]

You may be able to twist them a little if not installed in the CC. But once installed, the crank should have no radial or lateral play.

 

[blsnelling]

Also, totally dry bearings will make some noise when spun. They should be totally smooth though. Lube them up and see how they feel.

 

[PB]

Lube them up and see how they feel.

......but not with grease!

 

[blsnelling]

......but not with grease!

+1:agree2:

 

[belgian]

Grease em' really good, hate to have noise.

I can see many techs shaking their head right now...:agree2:

 

[HimWill]

That was the wrong thread,here's the right one:

http://www.arboristsite.com/showthread.php?t=96799&highlight=026+crank