DescriptionThis video provides step-by-step repair instructions for replacing the primer bulb on a Husqvarna leaf blower. The most common reasons for replacing the primer bulb are if it is not pumping gas into the carburetor, or if the leaf blower will not start.
All of the information in this primer bulb replacement video is applicable to following brands: Husqvarna
Tools used: T-27 Torx bit, Phillips head screwdriver, flat head screwdriver
Step-By-Step Instructions1
Before you replace the primer bulb on 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.
3
Unthread the screws to release the air filter cover.
4
Remove the filter and the filter gasket.
5
Lift off the throttle control cover as well as the locking cap.
6
Use needle-nose pliers to rotate the throttle plate clockwise to release the tension and detach the throttle cable.
7
Note the orientation of the primer and intake hoses then disconnect them from the carburetor.
8
Next, use a t-27 torx bit or a flat-head screwdriver to unthread the carburetor mounting bolts.
9
Slide off the gasket and remove the carburetor.
10
Use a small phillips-head screwdriver to unthread the screws securing the pump base components.
11
Lift off the old primer bulb and plate.
12
Install the new primer bulb by aligning it in the plate then position the assembly on the metering plate.
13
Thread and tighten the screws to secure.
14
Confirm that the mounting bolts are inserted through the air filter housing.
15
Now slide the carburetor onto the bolts followed by the gasket.
16
Thread the bolts into the insulator and tighten.
17
Connect the intake and primer hoses to the appropriate ports on the carburetor.
18
Insert the throttle cable through the hole in the throttle bracket then align the cable in the swivel on the plate.
19
If the cable tension needs to be adjusted, loosen the locking nut then rotate the tensioner to increase or decrease the tension.
20
The throttle plate should be in contact with the adjustment screw.
21
With the tension set, tighten the locking nut.
22
Secure the cable with the locking cap and replace the throttle control cover.
23
Reposition the air filter gasket in the housing and realign the air filter in the gasket.
24
Replace the cover and thread the screws to secure.
25
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.