DescriptionThis video provides step-by-step repair instructions for replacing the spindle pulley on a Craftsman riding lawn mower. The most common reason for replacing the spindle pulley is when it is stripped, causing the belt to snap and the blades not to move.
All of the information for this spindle pulley replacement video is applicable to the following brands:
Craftsman, Husqvarna
Tools needed: 7/8 inch socket, impact driver
Step-By-Step Instructions1
Before you replace a spindle pulley on your riding mower make sure the ignition switch is in the “off” position and the key has been removed.
2
Confirm that the mower deck is at its lowest position and that the clutch actuator lever is in the “off” position.
3
Now remove the retaining pins securing the support arms and detach the arms to release the mower deck from the frame.
4
Next, release the deck belt from the engine pulley and the belt guides.
5
Detach the clutch cable from the retainer.
6
You can now slide the deck out from under the frame.
7
Lift the support arm out of the way.
8
Engage the clutch lever to release the brake. and use a wood block or a comparable sturdy object to hold the blade in place.
9
Now use a 7/8th inch socket to loosen and unthread the pulley mounting nut – we recommend using an impact driver to make this easier.
10
With the nut removed, lift off the old spindle pulley.
11
Install the new spindle pulley by aligning the belt on the pulley as you slide the pulley onto the spindle shaft.
12
Rethread the mounting nut secure the blade and tighten the nut to secure the pulley.
14
Disengage the clutch lever and slide the mower deck back under the frame.
15
Secure the clutch cable in the retainer.
16
Align the belt on the engine pulley and the belt guides.
17
Reposition the support arms and secure them using the washers where applicable and the retaining pins.