This is a genuine replacement part sourced directly from the original manufacturer for use with chainsaws made by Echo and Shindaiwa. The needle bearing goes between the clutch washer and the clutch drum. It will need to be replaced if it becomes broken. During the installation process, a screwdriver and a socket set may be required to replace this part. This item is available individually and is made out of metal.
Removed spark plug and stuffed cord in spark plug hole to act as a piston stop . Made my own tool for removing clutch (would recommend purchasing a correct 3 pronged socket tool). Reverse threads. Simple to remove and replace. Of course the chain and bar will need to be removed first.
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No oil was reaching the bar on my Echo CS400 chainsaw.
1. I knew the bar was not getting oil. I tried cleaning the filter and the line to the pump.
That did not work, so I knew there was something else wrong.
2. I watched a YouTube video and saw that the drive gear on the oil pump might be stripped.
3. To verify that the oil pump was bad, I ordered a special clutch removal t
... Read moreool (the oil pump is under the clutch) and took it apart before ordering parts. The clutch removal tool is a disk with three studs on it that turns the clutch to break it free. It takes a 3/4 wrench to turn.
4. You will need to remove the bar and chain. Then, remove the spark plug and stuff some rope in the cylinder to keep the piston from moving when you do this. Please leave enough that you can pull the rope out when you are done!
5. To remove the clutch, turn it clockwise, not counterclockwise like a regular nut.
6. Once the clutch is removed you will find some washers, the chain drive gear, a needle bearing and the beneath all this, the oil pump. All of this is shown on the e-replacement\'s excellent parts breakdown.
7. The oil pump is held in place by two screws. It was locked up, and its plastic gear was stripped. The gear cannot be replaced. You have to buy the whole pump.
8. I ordered the pump along with a small needle bearing that supports the chain drive gear, from e-replacements.
9. Always inspect all your parts while you have the chainsaw apart. It is a good time to replace the chain drive gear if it is chewed up. The little needle bearing is pretty delicate and I would always take this chance to replace it.
10. Putting the saw back together was the reverse of disassembly and took about five minutes. I greased the needle bearing thoroughly before putting it all together.
11. This repair worked like a charm. I now have oil on the bar and the saw is cutting like new.
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The clutch drum has the chain drive cog attached to it and it was just wore out. I only replaced the bearing because, I was there.
Removed the spark plug
Insert a knoted piece of small rope into the spark plug hole. Leave a tail to remove this later. This is necessary to keep the cylinder from moving while removing the clutch assembly. The thread is a left hand thread.
Used a chisel and hammer to remove the old clutch assembly
This creates a quick j
... Read moreolt to loosen the assembly.
Remove the old clutch assembly.
Remove the knoted rope from the spark plug hole
Reinsert the spark plug
Install the new clutch assembly, (washer, bearing, clutch drum, washer, clutch assembly) on the crankshaft. Remember, it\'s a left hand thread.
Lightly tap it with a chisel to tighten it.
Install the bar and chain and crank the saw.
The clutch assembly will tighten as you use the saw.
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The sprocket on the clutch drum was worn down, causing the chain to become too tight.
Removed the pull start cover, and held the starter nut with pliers. Use the clutch removal tool on the other side of the saw, turning counter clockwise to remove.
Removed clutch assembly, by turning the spring as a left-handed thread. The punch was placed on the shoulder of the GÇ£YGÇ¥ piece of the spring assembly. Then all pieces were removed and replaced. There is a socket available that will fit the front of the spring assembly, and using an impact can remove the spring assembly.
1. Removed Cover to Clutch and removed chain and chain bar.
2. Used impact wrench and removal tool to loosen Clutch.
3 Removed Clutch and clutch drum
4. Replaced needle and clutch drum [greased bearing needle]
5 Re-installed Clutch and tightened with removal tool and impact wrench.
6. Re-installed bar an
... Read mored chain
7 re-installed cover and tightened chain with adjusting screw.
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
