Turn off the mower deck by placing the PTO lever located on the back fender to the "off" position. This loosens the belt.
Locate the drive pulley by looking at the underside of the mower from the front. Remove the bolts that hold the pulley guard in place and then set the guard off to the side.
Remove the belt from the drive pulley by pulling it off with your hands.
Lift the mower deck to its highest position, place a two-by-four under the each side of the deck and the lower the deck onto the boards.
Remove the hairpins from the linkage bars and then pull the washers off the linkage pins mounted to the underside of the mower.
Slide the mower deck out from under the L100 tractor and pull the belts off the deck. Follow the guide on the deck for proper belt routing and then install the new belt.
Slide the deck under the L100 tractor and then secure it in place with the linkage bars, washers and hairpins
Pull the belt forward and slide it over the drive pulley. Place the guard onto the tractor and secure it with the bolts and wrench.
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