DescriptionThis video provides step-by-step repair instructions for replacing the blade on a Craftsman riding lawn mower. The most common reasons for replacing the blade are when it is dull or damaged.
All of the information for this riding lawn mower blade replacement video is applicable to the following brands:
Craftsman, Ariens, Poulan
Tools needed: 5/8 inch socket
Step-By-Step Instructions1
Before you replace a cutting blade 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
Use pliers to squeeze the tabs to release the clutch cable retainer.
8
Unhook the spring and set the cable aside
9
Carefully flip the mower deck over.
10
Secure the cutting blade you’re replacing with a wood block or a comparable sturdy object then use a 5/8th inch socket to loosen and unthread the blade mounting bolt.
11
With the bolt unthreaded, you can remove the old blade.
12
Install the new cutting blade by aligning it on the spindle shaft with the sharp edge facing away from the deck.
13
Hold the blade in place then rethread the mounting bolt and tighten.
14
Return the deck to its upright position
15
Hook the cable spring on the idler arm and secure the cable retainer on the bracket.
16
Slide the mower deck back under the frame.
17
Secure the clutch cable in the retainer.
18
Realign the belt on the engine pulley and the belt guides.
19
Reposition the support arms and secure them using the washers where applicable and the retaining pins.