Question about Echo 30.1CC Chainsaw With a 14 and Chain

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Replace the oil pump in a Echo CS4400 Chain Saw

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An IPL for a CS4400 Chainsaw can be found here (there are multiple IPLs, please ensure this is your saw):
There is no sigle illustration of all oiler components, they appear on multiple illustrations.
From the IPL it has an outboard clutch, it appears the oil pump is behind it. Use this a guide for clutch removal:
R² Drive Link Outboard Clutch by

  1. Check the IPL for your saw to see if any special tools are needed. Poulan (Craftsman, Jonsered, Husky) clutch removal tool part number 530031112 if needed, is under $5 from many sources (look at the visible area between the weights if 2 small round sockets are visible you need the tool).
  2. There are metal piston stops available, when square (almost never) with the piston top these work well, if not square they have been known to punch through the piston. I suggest a length of nylon rope (nothing left behind) be used instead of the piston stop (retain 6" ± so you can remove it). Make sure the piston is near the top of the cylinder before feeding the cord or it can fall through the exhaust port and damage the piston as it rises.
  3. Everyone I have ever removed had a left handed thread (tighten it to loosen it).
You can reply below with any questions if you need additional help. I hope you found this most helpful.

Posted on Jan 31, 2010


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