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Video & Articles: Appliance & Equipment RepairHomelite Pressure Washer Square Key Replacement #678041007
Homelite Pressure Washer Square Key Replacement #678041007
02:36
- Description
This video provides step-by-step instructions for replacing the square key (or pump drive key) on Homelite pressure washers. The most common reason for replacing the square key is if it is broken or missing, causing the pump to not run even when the engine is running.
All of the information in this square key replacement video is applicable to the following brands: Homelite, PowerStroke, Black Max, Ryobi
Tools used: pinch off pliers, flat-blade screwdriver, 12mm socket, 1/2 in wrench, torque wrench
All of the information in this square key replacement video is applicable to the following brands: Homelite, PowerStroke, Black Max, Ryobi
Tools used: pinch off pliers, flat-blade screwdriver, 12mm socket, 1/2 in wrench, torque wrench
Step By Step Instructions
1
Before you replace the pump drive key on your pressure washer first make sure the engine and pump have cooled.
2
Next, you should remove the wire and boot from the spark plug and, if applicable, disconnect the hose from the pump inlet.
3
Now, disconnect the high pressure hose.
4
Use locking pliers to crimp the detergent solution tube and detach the tube from the chemical injector.
5
Now remove the nuts and bolts securing the engine and pump to the mounting plate.
6
Remove the pump.
7
If still intact, remove any pieces of the old drive key.
8
Install the new pump drive key by inserting it into the slot in the crankshaft then lightly tap it into place.
9
Align the notch in the pump with the new key and slide the pump onto the crankshaft.
10
Rotate the pump to align the bolt holes then reinsert the bolts and thread the nuts.
11
Once all the bolts are in place, torque the nuts to manufacturer’s specifications.
12
Reconnect the high pressure hose to the pump.
13
Reattach the detergent solution tube and remove the locking pliers.
14
You’re now ready to reattach the wire and boot to the spark plug and confirm that the pressure washer is working properly.
Description
This video provides step-by-step instructions for replacing the square key (or pump drive key) on Homelite pressure washers. The most common reason for replacing the square key is if it is broken or missing, causing the pump to not run even when the engine is running.
All of the information in this square key replacement video is applicable to the following brands: Homelite, PowerStroke, Black Max, Ryobi
Tools used: pinch off pliers, flat-blade screwdriver, 12mm socket, 1/2 in wrench, torque wrench
All of the information in this square key replacement video is applicable to the following brands: Homelite, PowerStroke, Black Max, Ryobi
Tools used: pinch off pliers, flat-blade screwdriver, 12mm socket, 1/2 in wrench, torque wrench
Step-By-Step Instructions
1
Before you replace the pump drive key on your pressure washer first make sure the engine and pump have cooled.
2
Next, you should remove the wire and boot from the spark plug and, if applicable, disconnect the hose from the pump inlet.
3
Now, disconnect the high pressure hose.
4
Use locking pliers to crimp the detergent solution tube and detach the tube from the chemical injector.
5
Now remove the nuts and bolts securing the engine and pump to the mounting plate.
6
Remove the pump.
7
If still intact, remove any pieces of the old drive key.
8
Install the new pump drive key by inserting it into the slot in the crankshaft then lightly tap it into place.
9
Align the notch in the pump with the new key and slide the pump onto the crankshaft.
10
Rotate the pump to align the bolt holes then reinsert the bolts and thread the nuts.
11
Once all the bolts are in place, torque the nuts to manufacturer’s specifications.
12
Reconnect the high pressure hose to the pump.
13
Reattach the detergent solution tube and remove the locking pliers.
14
You’re now ready to reattach the wire and boot to the spark plug and confirm that the pressure washer is working properly.
Applicable Product Model
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