Question about Echo CS400 18" Chain Saw

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How to remove clutch ***.

Need to get at the piston

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Get a cheap adjustable pin wrench ,Harbor Freight #36554.

Posted on Oct 31, 2015

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Hello Carl;
There are 4 parts manuals listed for a CS-400. I suspect the serial number is the key to the correct choice.
EchoUSA
http://www.echo-usa.com/documentation.asp
If your saw is not listed type "CS" in the “Model:” window, click "Search" and select your saw from the list provided.
I chose a parts list and a piston kit is available ($38).

I am going to close your other question also. The parts manual should answer most disassembly questions. If you hit an impasse these folk are extremely helpful.

ArboristSite Chainsaw thread (free to join)
http://www.arboristsite.com/forumdisplay.php?f=9
If you need additional help please do a search at the above site, most questions have been asked and answered. If you need to ask a question posting to an existing thread improves the odds of getting answered considerably.

If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.

Posted on Jul 14, 2010

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1 Answer

How do I replace the clutch


Depends on the make and model. Remove the clutch cover and possibly the clutch drum, if it has an inboard clutch. To remove the clutch it a 'clockwise' thread to take them off. Often they will have an arrow showing you the direction to turn them to take them off. You will also need to 'block' the piston too. I prefer to use a piece of pull chord with a series of overhand knots along it, feed it into the spark plug hole, hand turn the clutch clockwise until the piston rises and hits the chord so it cant rise no more. Be careful when you feed it in that its not going into the exhaust port as the piston will shear the chord and leave you with a piece in the exhaust. But its certainly safer than potentially breaking a plastic piston stop off in the cylinder.

Apr 22, 2016 | Garden

1 Answer

How do you change the clutch?


Remove the side casing. (bar side)
Take off bar and chain.
Remove E-clip holding the clutch drum on.
Remove clutch drum and needle cage bearing.
This should expose the clutch.
Remove spark plug.
Use a piston stop to stop the piston rising, Sometimes a knotted piece of pull cord fed into the cylinder is just as good.
Turn the clutch clockwise with a socket to unscrew.

To put clutch back on turn anticlockwise till piston cycles back and hits the piston stop again and tighten. Replace spark plug and clutch drum, bearing, bar and chain and side casing.

Mar 15, 2013 | Stihl 16" Chainsaw Bar Chain Saw 018 025...

1 Answer

How to remove chainsaw clutch


hi
remove statrer cover assy
remove plug, rotate engine until piston @ bdc - insert a thick 6 mm nylon starter rope through plug hole and rotate piston so that it pushes rope in between piston and cylinder top this locks the crankshaft

its called a soft stop

take a punch and hammer and give the clutch 1 or 2 hits in and clockwise direction clutch should loosen

to refit clutch , remove soft stop and rotate engine counter clockwise fit the stop and jamb it again between piston and cyl head then spin on the clutch ( threads are left hand ) use punch and give 1 or 2 hits to tighten again - remove soft stop and refit plug and starter cover assy
clutch should tighten further when engine runs

cheers paul


hope it helps

Aug 02, 2010 | Garden

1 Answer

Need new piston


Hello Carl;
You also asked about clutch removal, this should help.

R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
  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 certain 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. 99.9% of clutches have left hand threads (tighten it to loosen it). If a finger nail held in the thread and rotated clockwise comes off the shaft it is a left hand thread. If it pinches against the clutch it is a right hand thread.

If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Lou
Thank You for using FixYa.

Jul 14, 2010 | Echo 30.1CC Chainsaw With a 14 In.bar and...

3 Answers

I need to change the clutch drum


Don't know about your particualr saw, but general instructions are : take the bar cover off, take the bar and chain off, put your piston stop in, remove the clutch nut by unscrewing it clockwise, remove the shoes and springs from inside the drum, and pouit them in the new one, replace it all. If you don't have a piston stop you can pull the starter cord all the way out and stuff some of it into the spark plug hole to stop the piston moving when you turn the clutch nut.

Apr 20, 2010 | Echo 30.1CC Chainsaw With a 14 In.bar and...

1 Answer

Does the centrifical clutch on a Stihl 034 AV chainsaw screw off and if so which direction


I cannot find a manual for an 034 so I must make my best guess (yes, left handed thread). Most Stihl saws have inboard clutches. I am going to reply as though that is true. The drive sprocket does not require (if inboard clutch) clutch removal. It must be removed to access the actual clutch. I reply as though you want to actually remove the clutch itself.

Do this first:
R² Drive Link Inboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=YUbSIHMSSP8
The C-clips tend to fly when being removed. Please wear eye protection and exercise care.

Continue using this as a guide:
R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
  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).
If I missed any part of your question you can reply below and I will clarify. Good Luck with your project. HTH
Lou

Feb 09, 2010 | Garden

1 Answer

How to remove a clutch drum assy.


A serial would have been helpful. She has an outboard clutch (chain between clutch drum and engine). Use this as a guide:
R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
  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,
  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 starter cord or nylon rope 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).
This often helpful too:
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week
Good Luck, If you need any more help you can can reply below.
Lou

Jan 18, 2010 | Husqvarna "Chain Saw - 16" Bar, 3 Hp

1 Answer

How do you change the clutch assy. on a model 358.350180 chainsaw


It is almost certainly made by Poulan. The IPL from Sears shows an outboard clutch.
http://www.searspartsdirect.com/partsdirect/getSubComp.pd?modelNumber=358350180&productCategoryId=1503220&brandId=0247&brandDescription=CRAFTSMAN&modelName=GAS-CHAINSAW&diagramPageId=00001&componentDescription=CHAIN%20SAW&documentId=P9110148&blt=06

Use this as a guide for removal:
R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
  1. Check the IPL for your saw to see if any special tools are needed.
  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 starter cord or nylon rope 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).
HTH
Lou

Jan 10, 2010 | Garden

1 Answer

NEED TO KNOW HOW TO DISASSEMBLE SPROCKET FROM POULAN PRO (replacing a worn sprocket)


I think it is an inboard clutch, use this as a guide to remove what you can:
R² Drive Link Inboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=YUbSIHMSSP8
The C-clips tend to fly when being removed. Please wear eye protection and exercise care.



Use this as a guide to remove what remains. Remove the rope/cord piston stop before installing new clutch; rotate the opposite direction and reinstall after piston again above the exhaust port.

R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc
  1. Check the IPL for your saw to see if any special tools are needed.
  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 starter cord or nylon rope 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. It is probably a left handed thread (tighten it to loosen it).
    Let us know how it worked for you. GL
Lou
If all you are doing is replacing the drive sprocket ignore outboard clutch instruction. If replacing the centrifugal clutch it is helpful.

Nov 07, 2009 | Poulan Pro Chain Saw 46cc 20"

2 Answers

Can't get clutch plate off of makita 340 dcs


you need a piston stop to stop the engine from rotating,then with a clutch tool you can spin off the clutch,most of them are left had thread.if you don't have a clutch tool you can use a hammer and punch on one of the main arms of the clutch itself.for a piston stop you can use a piece of 1/4"rope.put the piston at the bottom of the stroke and stuff the rope in the sparkplug hole,this stops the piston from reaching it's full stroke.

Oct 20, 2008 | Makita DCS51018 18" 45cc Chain Saw 2 Cycle

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