This video will show you how to replace the blades on this Troy-Bilt riding mower. Depending on your model, the instructions in this video may vary slightly. Always be sure to check your operator's manual for detailed instructions.
Turn the mower off and make sure the engine is cool. Remove the ignition key and disconnect the spark plug ignition wire. Engage the parking break. Be sure the PTO lever is disengaged.
Put the deck height lever in its highest position.
Place a block of wood under the deck's edge for support, then lower the deck to the wooden block.
Remove the belt keeper from around the engine pulley by removing the self-tapping screw.
Remove the belt from the engine pulley.
Remove the bow-tie clip from the left rear side of the mower deck and carefully remove the hanger rod.
Repeat steps on right side of mower deck.
Remove the bow-tie clip to release the PTO cable from the bracket and release the tension spring from the idler arm.
Remove the wooden block.
Remove the bow-tie clip to release the PTO cable from the bracket, and release the tension spring from the idler arm.
Slide the deck out from under the mower.
Turn the deck over to expose the blades.
Wearing gloves for protection, use the Arnold Blade Removal Tool to secure the blade.
Remove the bolt that secures the blade to the spindle and remove the blade.
Assemble the new blades on the engine spindle, then tighten the bolts to the proper torque as indicated in your operator's manual.
Remove the Arnold Blade Removal Tool.
Reassemble by following the previous directions in reverse order.
Slide the deck back under the mower.
Attach the tension spring to the idler arm, and insert PTO cable into the bracket. Insert bow-tie clip.
Slide the deck lift rod into the mounting bracket, and insert the bow tie clip into the stabilizer rod.
Attach the hanger rod, then insert bow-tie clips on the left and right side of the mower.
Route the belt onto the engine pulley.
Attach the belt keeper around the engine pulley by inserting the self-tapping screws.
Reconnect the spark plug ignition wire.