How to Change the Clutch on a Stihl TS410 Disc Cutter | L&S Engineers

In this video, we show you how to replace the Clutch on a Stihl TS410. Click here for a full list of parts, tools & transcript!
Parts
Genuine Clutch for Stihl TS410 TS420
bit.ly/2HoaaJg
Non-Genuine Clutch for Stihl TS410 TS420
bit.ly/2KcoF0B
Starter Cup for Stihl TS410 TS420
bit.ly/2FfwBKI
Clutch Pulley Assembly for Stihl TS410 TS420
bit.ly/2HuJRNw
Clutch Spring for Stihl TS400 TS410 TS420
bit.ly/2qZ2Jy3
Spline Screw M5 x 20 for Stihl Cut Off Saws
bit.ly/2JmsHCw
Clutch Pulley Bearing for Stihl TS410 TS420
bit.ly/2Hrwf5J
Clutch Shoe for Stihl TS410 TS420
bit.ly/2qXAbEr
Clutch Shoe Retainer for Stihl TS400 TS410 TS420
bit.ly/2Hw7lSI
Tools
Genuine Torx Wrench/Plug Spanner for Stihl TS410 TS420
bit.ly/2qXvg7j
Non Genuine Torx Wrench/Plug Spanner for Stihl TS410 TS420
bit.ly/2qYv4nj
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Health & Safety Warning Please ensure that you have safely prepared the machine and workspace. If you are unsure about any aspect of the task please seek professional advice.
Transcript
Today, we're going to change the Clutch on a Stihl TS410 cut off saw. First of all, use a torx spanner to remove the screw that secures the water connector from the underside of the machine. This will provide better access to the recoil. Next, use a 19mm Hex Socket Spanner, turning it anti-clockwise to loosen the tension of the belt. Once this is done, use a 13mm Hex Socket Spanner to loosen the three nuts that secure the recoil assembly. Then revisit each nut and completely remove them, freeing the recoil from the machine. Using the torx spanner, remove the screw that secures the nose guard to the arm. Once the nose guard is off, use the 19mm Hex Socket Spanner, turning it anti-clockwise to further loosen the tension of the belt. Completely remove the front of the saw to free the belt. You will then need to remove the cover of the machine and the spark plug and screw in the piston stop, this will lock the crank so you can remove the clutch. Using the 13mm Socket spanner, undo and remove the nut that secures the clutch, and remove the starter cup by sliding it off. Then use the 13mm Socket spanner, turning it clockwise to loosen the clutch and unwind it off. You can then take off the spacer and remove the clutch pulley assembly and inspect the bearing for any signs of wear. If you are simply checking the clutch and don't plan to replace it, make sure you check that the springs don't have cracks or are worn out. Also check the clutch shoes for wear. Place the clutch pulley assembly and spacer back into position. The clutch has a left hand thread, so turn it anti-clockwise along the thread, then secure it in place using the 13mm Hex Socket Spanner. Relocate the starter cup, make a note of the mould ensuring you fit it correctly. Then screw the nut back into place and tighten with the 13mm socket spanner. Unscrew & remove the piston stop that was fixed in the top of the machine. Hand screw the spark plug in, being careful not to damage the thread, then tighten it with the 19mm Hex Socket Spanner. Locate the cap back on top of the spark plug. Then place the cover back over it, and screw it back on using the torx spanner. To fit the belt, locate it over the clutch, making sure that it is sitting in the grooves correctly, to prevent damage to the belt. Then feed the belt back through the arm, relocating the arm back in position around the studs. Feed the belt back around the pulley. Slowly turning the pulley will help you easily locate the belt. Make sure the blade turns with a smooth motion. Relocate the nose guard onto the arm and use the torx spanner to fix this in place. Make sure the screw is secure without overtightening it, as the casing is only plastic. Locate the recoil assembly onto the machine, loosely turn each nut a few times. Then return to tighten each nut with the 13mm spanner, again, be careful not to split the plastic when tightening. Then re-tension of the belt using the 19mm Hex Socket Spanner. Don't forget to fix the water connector back into place under the machine using the torx spanner. That's how you change the Clutch on the Stihl TS410. All the parts & tools needed for this task are listed in the description below.
If you have any issues, questions or would like to talk to our customer service team please visit our website. Please note L&S is a UK based trading company, please see our website for information on delivery to other countries.

[@nickbrzd646]

I love L&S Nick

[@danfriday1968]

My saw , starts and revs up fine but as soon as I start to cut anything it dies down and stops . Is this the clutch gone ?

[@LSEngineersTV]

Hi Dan, this problem could be caused by a number of things, it sounds like a possible airflow problem rather than the clutch, if you would like any further advise you can call us on: 01543 378 189.