Video & Articles: Appliance & Equipment RepairEcho Hedge Trimmer Ball Bearing Replacement #90087236202

Echo Hedge Trimmer Ball Bearing Replacement #90087236202

08:33
This video provides step-by-step repair instructions for replacing the ball bearing on an Echo hedge trimmer. The most common reasons for replacing the bearings is when the gear case is noisy or the blades will not work.

All of the information in this ball bearing replacement video is applicable to the following brands: Echo

Tools used: T-27 Torx bit, pliers, flywheel puller, washers, snap ring pliers

Step By Step Instructions

1
Before you replace one or both ball bearings in your hedge trimmer make sure the engine has cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend wearing protective gloves when handling the trimmer blades.
4
We also recommend emptying the fuel tank.
5
Set the trimmer on its side with the muffler facing down.
6
Use two 10mm sockets to remove the locking nuts securing the trimmer blades.
7
Remove the blade guard and washers along with the tip guard.
8
Set the trimmer upside down and use a t-27 torx bit to unthread the screws securing the gear case cover.
9
Remove all the blade mounting bolts and washers.
10
Use pliers to lift out the felt seal.
11
Remove the outer spur gear.
12
Carefully lift off the lower blade and lift off the spacer plate.
13
Remove the upper blade and lift out the inner spur gear.
14
Next, use the t-27 torx bit to unthread the screws securing the gear case to the engine block.
15
Use snap-ring pliers to detach the retaining ring then pull the clutch drum out.
16
Use internal snap-ring pliers to release the bearing retaining ring.
17
To help uninstall the old ball bearings, you can use a 3/8th inch nut and bolt in addition to small and large washers, a flywheel puller and a piece of pvc tubing measuring an inch-and-a-half in diameter.
18
We recommend replacing both bearings at the same time.
19
To install the new ball bearings align both bearings in the bottom of the gear case then use the bolt, nut, washers and the flywheel puller to fully seat the bearings.
20
Secure the bearings with the retaining ring.
21
Reinsert the clutch drum in the gear case then secure it with the ring.
22
Thread and tighten the screws to secure the gear case to the engine block.
23
Be sure to secure the grounding wire under the appropriate screw.
24
After confirming the washer is in place
25
Reposition the inner spur gear in the gear case keeping the holes in-line with the blade support.
26
Now realign the upper blade with the sharp edge facing away from the blade support.
27
Replace the spacer plate and realign the lower blade with the sharp edge facing the upper blade.
28
Replace the outer spur gear with the cam aligned on the opposite side of the inner gear cam, making sure the holes in the gear on in-line with the blades.
29
Adjust the lower blade until the gear sets into place.
30
Replace the felt seal.
31
Confirm that the gasket is in place on the gear case cover – then realign the cover and secure it with the screws.
32
With the washers intact on the mounting bolts – thread the bolts through the trimmer blades into the support. The longer bolt goes through the handle.
33
Set the trimmer on its side
34
Realign the blade guard on the mounting bolts then position the washers.
35
The manufacturer recommends using new mounting nuts to secure the blades.
36
Thread the nuts and tighten the mounting bolts.
37
Now loosen the bolts a half-turn to ensure proper blade tension.
38
Tighten the nuts to lock the bolts in place.
39
Replace the tip guard and secure it in the same way.
40
With the repair completed reattach the wire and boot to the spark plug and refill the fuel tank.
41
To ensure the hedge trimmer operates smoothly, we recommend injecting some lithium grease into the gear case.
Description
This video provides step-by-step repair instructions for replacing the ball bearing on an Echo hedge trimmer. The most common reasons for replacing the bearings is when the gear case is noisy or the blades will not work.

All of the information in this ball bearing replacement video is applicable to the following brands: Echo

Tools used: T-27 Torx bit, pliers, flywheel puller, washers, snap ring pliers
Step-By-Step Instructions
1
Before you replace one or both ball bearings in your hedge trimmer make sure the engine has cooled.
2
Next, you should remove the wire and boot from the spark plug to prevent the engine from accidentally starting.
3
We recommend wearing protective gloves when handling the trimmer blades.
4
We also recommend emptying the fuel tank.
5
Set the trimmer on its side with the muffler facing down.
6
Use two 10mm sockets to remove the locking nuts securing the trimmer blades.
7
Remove the blade guard and washers along with the tip guard.
8
Set the trimmer upside down and use a t-27 torx bit to unthread the screws securing the gear case cover.
9
Remove all the blade mounting bolts and washers.
10
Use pliers to lift out the felt seal.
11
Remove the outer spur gear.
12
Carefully lift off the lower blade and lift off the spacer plate.
13
Remove the upper blade and lift out the inner spur gear.
14
Next, use the t-27 torx bit to unthread the screws securing the gear case to the engine block.
15
Use snap-ring pliers to detach the retaining ring then pull the clutch drum out.
16
Use internal snap-ring pliers to release the bearing retaining ring.
17
To help uninstall the old ball bearings, you can use a 3/8th inch nut and bolt in addition to small and large washers, a flywheel puller and a piece of pvc tubing measuring an inch-and-a-half in diameter.
18
We recommend replacing both bearings at the same time.
19
To install the new ball bearings align both bearings in the bottom of the gear case then use the bolt, nut, washers and the flywheel puller to fully seat the bearings.
20
Secure the bearings with the retaining ring.
21
Reinsert the clutch drum in the gear case then secure it with the ring.
22
Thread and tighten the screws to secure the gear case to the engine block.
23
Be sure to secure the grounding wire under the appropriate screw.
24
After confirming the washer is in place
25
Reposition the inner spur gear in the gear case keeping the holes in-line with the blade support.
26
Now realign the upper blade with the sharp edge facing away from the blade support.
27
Replace the spacer plate and realign the lower blade with the sharp edge facing the upper blade.
28
Replace the outer spur gear with the cam aligned on the opposite side of the inner gear cam, making sure the holes in the gear on in-line with the blades.
29
Adjust the lower blade until the gear sets into place.
30
Replace the felt seal.
31
Confirm that the gasket is in place on the gear case cover – then realign the cover and secure it with the screws.
32
With the washers intact on the mounting bolts – thread the bolts through the trimmer blades into the support. The longer bolt goes through the handle.
33
Set the trimmer on its side
34
Realign the blade guard on the mounting bolts then position the washers.
35
The manufacturer recommends using new mounting nuts to secure the blades.
36
Thread the nuts and tighten the mounting bolts.
37
Now loosen the bolts a half-turn to ensure proper blade tension.
38
Tighten the nuts to lock the bolts in place.
39
Replace the tip guard and secure it in the same way.
40
With the repair completed reattach the wire and boot to the spark plug and refill the fuel tank.
41
To ensure the hedge trimmer operates smoothly, we recommend injecting some lithium grease into the gear case.

Applicable Product Model

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

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