Video & Articles: Appliance & Equipment RepairEcho String Trimmer Flywheel Replacement #A409000210

Echo String Trimmer Flywheel Replacement #A409000210

04:28
This video provides step-by-step instructions for replacing the flywheel (flywheel fan) on Echo string trimmers. The most common reason for replacing the flywheel is if it is broken or worn out, causing the engine to not start or to overheat.

All of the information in this flywheel replacement video is applicable to the following brands: Echo, Shindaiwa

Tools used: Torx screwdriver, rope, ratchet and 1/2” socket adapter, slotted screwdriver

Step By Step Instructions

1
Before you replace the flywheel fan on your string trimmer first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Loosen the screw securing the handle mounting clamp so the handle moves freely on the shaft.
4
Next, loosen the screws securing the shaft to the flywheel casing.
5
Pull the shaft out of the casing and slide the handle off of the shaft.
6
Now remove the screws securing the engine cover and pull the cover off.
7
Remove the screws securing the flywheel casing.
8
Pull the casing off.
9
Next, use a socket or spark plug wrench to help remove the spark plug.
10
Now confirm that the piston is in the “down” position.
11
Insert a cord or rope into the cylinder to prevent the piston from moving.
12
You can use a half-inch socket drive to help loosen the clutch – then unthread the clutch from the crankshaft.
13
Now you can use two flathead screwdrivers to help pry off the old flywheel fan.
14
Install the new flywheel fan by aligning the tab on the flywheel with the notch in the crankshaft then push it into place.
15
Replace the clutch by threading it onto the crankshaft then tighten.
16
Remove the cord or rope from the cylinder.
17
Replace the spark plug.
18
Be careful not to over tighten the plug.
19
Realign the flywheel casing and replace the screws to secure.
20
Reposition the engine cover and reinstall the screws to secure it.
21
Now slide the handle onto the shaft and insert the shaft into the flywheel casing.
22
You can use the line and arrows to properly align the shaft.
23
Once positioned, tighten the screws to secure the shaft.
24
Properly position the handle and tighten the handle mounting clamp screw.
25
Attach the wire and boot to the spark plug and your string trimmer should be ready for use.
Description
This video provides step-by-step instructions for replacing the flywheel (flywheel fan) on Echo string trimmers. The most common reason for replacing the flywheel is if it is broken or worn out, causing the engine to not start or to overheat.

All of the information in this flywheel replacement video is applicable to the following brands: Echo, Shindaiwa

Tools used: Torx screwdriver, rope, ratchet and 1/2” socket adapter, slotted screwdriver
Step-By-Step Instructions
1
Before you replace the flywheel fan on your string trimmer first make sure the engine has cooled.
2
Next, remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
Loosen the screw securing the handle mounting clamp so the handle moves freely on the shaft.
4
Next, loosen the screws securing the shaft to the flywheel casing.
5
Pull the shaft out of the casing and slide the handle off of the shaft.
6
Now remove the screws securing the engine cover and pull the cover off.
7
Remove the screws securing the flywheel casing.
8
Pull the casing off.
9
Next, use a socket or spark plug wrench to help remove the spark plug.
10
Now confirm that the piston is in the “down” position.
11
Insert a cord or rope into the cylinder to prevent the piston from moving.
12
You can use a half-inch socket drive to help loosen the clutch – then unthread the clutch from the crankshaft.
13
Now you can use two flathead screwdrivers to help pry off the old flywheel fan.
14
Install the new flywheel fan by aligning the tab on the flywheel with the notch in the crankshaft then push it into place.
15
Replace the clutch by threading it onto the crankshaft then tighten.
16
Remove the cord or rope from the cylinder.
17
Replace the spark plug.
18
Be careful not to over tighten the plug.
19
Realign the flywheel casing and replace the screws to secure.
20
Reposition the engine cover and reinstall the screws to secure it.
21
Now slide the handle onto the shaft and insert the shaft into the flywheel casing.
22
You can use the line and arrows to properly align the shaft.
23
Once positioned, tighten the screws to secure the shaft.
24
Properly position the handle and tighten the handle mounting clamp screw.
25
Attach the wire and boot to the spark plug and your string trimmer should be ready for use.

Applicable Product Model

Parts Needed
Flywheel
Flywheel
$69.76
Recommended Tools and Accessories
Fuel Tank
Fuel Tank
$31.52
Fuel Tank
Fuel Tank
$54.38
Total$0.00

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