The John Deere L120 mower, usually branded with Saber / Scotts instead of John Deere, has a two-blade mower that measures between 42 and 48 inches, depending on the deck, John Deere. The mower leveling procedure is the same for many models, including L100, L108, L110, L111, L118 and L130. As you level the deck, you level it from left to right and from front to back.
Step 1 Place the L120 on hard, stable and level ground.
step 2 Place a 2 x 4 inch piece of wood under the stupid arm on the front of the deck. The stupid arm is the metal bar that connects the mower deck to the mower deck. Place two more logs under the rear edge of the mower on the right and left sides.
step 3 Lower the lift lever to lower the mower deck to its lowest position. The mower must rest on the wooden blocks. Grasp the stupid arm on the front of the deck and pull. The stupid arm should allow some movement. This indicates that the stupid arm has no tension holding him.
Step 4 Locate the larger square black bracket on each side of the deck. The bracket holds the deck at the bottom of the tractor. Loosen the leveling nut on each bracket with a 15mm wrench.
Step 5 Raise the lift lever to the highest position, then lower the lift lever to the notch between the first and second positions.
Step 6 Press the black leveling brackets to release the brackets.
Step 7 Tighten the screws loosened in step four to forty feet pounds. of pressure with a torque wrench.
Step 8 Turn the adjusting nut on the end of the stupid arm with a wrench until the mower is lifted off the wooden blocks.
Step 9 Raise the lift lever to position # 3, then turn the daft adjustment nut 1½ turns counterclockwise to set the correct downward tilt from front to back.