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Video & Articles: Appliance & Equipment RepairHusqvarna Leaf Blower Pump Diaphragm Replacement #506689801
Husqvarna Leaf Blower Pump Diaphragm Replacement #506689801
Skill Level
Total Parts Cost
$2.31Estimated Savings
$112.5006:03
- Description
This video provides step-by-step repair instructions for replacing the pump diaphragm on a Husqvarna leaf blower. The most common reasons for replacing the diaphragm are when the leaf blower won’t start or runs poorly.
All of the information in this pump diaphragm replacement video is applicable to following brands: Husqvarna
Tools used: T-27 Torx bit, Phillips head screwdriver, flat head screwdriver, needle nose pliers
All of the information in this pump diaphragm replacement video is applicable to following brands: Husqvarna
Tools used: T-27 Torx bit, Phillips head screwdriver, flat head screwdriver, needle nose pliers
Step By Step Instructions
1
Before you replace the pump diaphragm in your leaf blower’s carburetor 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 primer bulb and plate.
12
Use a small flat-head screwdriver to help detach the metering plate and the pump base.
13
Remove the old pump diaphragm and the gasket from the base.
14
Separate the old diaphragm from the gasket if necessary.
15
Install the new pump diaphragm by positioning it on the pump base.
16
Now realign the gasket.
17
Realign the metering diaphragm on the metering plate if necessary followed by the gasket.
18
Position the primer bulb and plate on the metering plate.
19
Insert a screw through the primer bulb plate and align the pump base components.
20
Position the assembly on the carburetor body.
21
Thread and tighten all of the screws.
22
Confirm that the mounting bolts are inserted through the air filter housing and the gasket is aligned on the bolts.
23
Now slide the carburetor onto the bolts followed by the gasket.
24
Thread the bolts into the insulator and tighten.
25
Connect the intake and primer hoses to the appropriate ports on the carburetor.
26
Insert the throttle cable through the hole in the throttle bracket then align the cable in the swivel on the plate.
27
If the cable tension needs to be adjusted, loosen the locking nut then rotate the tensioner to increase or decrease the tension.
28
The throttle plate should be in contact with the adjustment screw.
29
With the tension set, tighten the locking nut.
30
Secure the cable with the locking cap and replace the throttle control cover.
31
Reposition the air filter gasket in the housing and realign the air filter in the gasket.
32
Replace the cover and thread the screws to secure.
33
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the pump diaphragm on a Husqvarna leaf blower. The most common reasons for replacing the diaphragm are when the leaf blower won’t start or runs poorly.
All of the information in this pump diaphragm replacement video is applicable to following brands: Husqvarna
Tools used: T-27 Torx bit, Phillips head screwdriver, flat head screwdriver, needle nose pliers
All of the information in this pump diaphragm replacement video is applicable to following brands: Husqvarna
Tools used: T-27 Torx bit, Phillips head screwdriver, flat head screwdriver, needle nose pliers
Step-By-Step Instructions
1
Before you replace the pump diaphragm in your leaf blower’s carburetor 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 primer bulb and plate.
12
Use a small flat-head screwdriver to help detach the metering plate and the pump base.
13
Remove the old pump diaphragm and the gasket from the base.
14
Separate the old diaphragm from the gasket if necessary.
15
Install the new pump diaphragm by positioning it on the pump base.
16
Now realign the gasket.
17
Realign the metering diaphragm on the metering plate if necessary followed by the gasket.
18
Position the primer bulb and plate on the metering plate.
19
Insert a screw through the primer bulb plate and align the pump base components.
20
Position the assembly on the carburetor body.
21
Thread and tighten all of the screws.
22
Confirm that the mounting bolts are inserted through the air filter housing and the gasket is aligned on the bolts.
23
Now slide the carburetor onto the bolts followed by the gasket.
24
Thread the bolts into the insulator and tighten.
25
Connect the intake and primer hoses to the appropriate ports on the carburetor.
26
Insert the throttle cable through the hole in the throttle bracket then align the cable in the swivel on the plate.
27
If the cable tension needs to be adjusted, loosen the locking nut then rotate the tensioner to increase or decrease the tension.
28
The throttle plate should be in contact with the adjustment screw.
29
With the tension set, tighten the locking nut.
30
Secure the cable with the locking cap and replace the throttle control cover.
31
Reposition the air filter gasket in the housing and realign the air filter in the gasket.
32
Replace the cover and thread the screws to secure.
33
With the repair completed reattach the wire and boot to the spark plug and your leaf blower should be ready for use.
Applicable Product Model
Parts Needed
Carburetor Diaphragm
$2.31
Total$0.00
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