Video & Articles: Appliance & Equipment RepairHusqvarna Blower Ignition Module Replacement #502846401

Husqvarna Blower Ignition Module Replacement #502846401

05:33
This video provides step-by-step repair instructions for replacing the ignition module on a Husqvarna leaf blower. The most common reason for replacing the ignition module is if the module is not getting voltage to the spark plug, causing the leaf blower to not start.


All of the information in this ignition coil replacement video is applicable to following brands: Husqvarna

Tools used: T-27 Torx bit, flat head screwdriver



Step By Step Instructions

1
Before you replace the ignition module in your leaf blower 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 and empty the fuel tank.
3
Use a t-27 torx bit or a flat-head screwdriver to unthread the screws securing the engine housing.
4
For easier access to the rear screw, we recommend removing the air filter cover.
5
Detach the housing.
6
Note the orientation of the primer and intake hoses then disconnect them from the carburetor.
7
Set the leaf blower on its side and unthread the screws securing the fuel tank to the base.
8
Slide the tank assembly out.
9
Using the t-27 torx bit, unthread the screw securing the ignition module cover.
10
Lift off the cover.
11
Detach the grommet and free the wires.
12
Disconnect the ignition wire then unthread the ignition module mounting screws.
13
Free the spark wire and you can remove the old module.
14
Before you install the new ignition module confirm that the flywheel magnets are rotated out of the way.
15
Now position the new module and thread the mounting screws loosely – be sure to secure the grounding wire under the left screw.
16
Place a business card on the flywheel and push the module forward to align it the appropriate distance from the flywheel.
17
Tighten the screws and remove the card.
18
Secure the wires in the grommet and connect the ignition wire to the module.
19
Reposition the grommet then realign the module cover and secure it with the screw.
20
Now align the spark wire in the channel and secure it with the clamp.
21
Slide the fuel tank assembly into place on the base and replace the screws to secure.
22
Connect the intake and primer hoses to the appropriate ports on the carburetor.
23
Reposition the engine housing and secure it with the screws.
24
Replace the air filter cover if applicable.
25
With the repair completed attach the new spark wire and boot to the spark plug refill the fuel tank and your leaf blower should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the ignition module on a Husqvarna leaf blower. The most common reason for replacing the ignition module is if the module is not getting voltage to the spark plug, causing the leaf blower to not start.


All of the information in this ignition coil replacement video is applicable to following brands: Husqvarna

Tools used: T-27 Torx bit, flat head screwdriver



Step-By-Step Instructions
1
Before you replace the ignition module in your leaf blower 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 and empty the fuel tank.
3
Use a t-27 torx bit or a flat-head screwdriver to unthread the screws securing the engine housing.
4
For easier access to the rear screw, we recommend removing the air filter cover.
5
Detach the housing.
6
Note the orientation of the primer and intake hoses then disconnect them from the carburetor.
7
Set the leaf blower on its side and unthread the screws securing the fuel tank to the base.
8
Slide the tank assembly out.
9
Using the t-27 torx bit, unthread the screw securing the ignition module cover.
10
Lift off the cover.
11
Detach the grommet and free the wires.
12
Disconnect the ignition wire then unthread the ignition module mounting screws.
13
Free the spark wire and you can remove the old module.
14
Before you install the new ignition module confirm that the flywheel magnets are rotated out of the way.
15
Now position the new module and thread the mounting screws loosely – be sure to secure the grounding wire under the left screw.
16
Place a business card on the flywheel and push the module forward to align it the appropriate distance from the flywheel.
17
Tighten the screws and remove the card.
18
Secure the wires in the grommet and connect the ignition wire to the module.
19
Reposition the grommet then realign the module cover and secure it with the screw.
20
Now align the spark wire in the channel and secure it with the clamp.
21
Slide the fuel tank assembly into place on the base and replace the screws to secure.
22
Connect the intake and primer hoses to the appropriate ports on the carburetor.
23
Reposition the engine housing and secure it with the screws.
24
Replace the air filter cover if applicable.
25
With the repair completed attach the new spark wire and boot to the spark plug refill the fuel tank and your leaf blower should be ready for use.

Applicable Product Model

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

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