Husqvarna Z554L Owner Manual - Page 24

MAINTENANCE Pump Belt The belts are not adjustable and need to be replaced if they begin to slip from wear. Park the mower on a level surface. Engage the park brake. 1. Remove the deck belt. 2. Remove clutch stop to access the belt. Four bolts control the height and pitch of the mower deck. Adjust the deck slightly higher in the rear. NOTE: To insure precision in the leveling procedure, mower deck drive belt must be installed prior to leveling the deck. 1. Wear heavy gloves. Turn each outer blade tip to align with the deck side-to-side. 3. Disconnect clutch wire. 4. With a 1/2" breaker bar and using the square opening in the idler arm, shift the arm to create slack in the belt. 5. Remove belt from the engine and pump pulleys. Reinstallation 1. Wrap the belt around the engine pulley and then around the left pump pulley. 2. Route the belt around the inside of the idler pulley. 3. With a 1/2" breaker bar and using the square opening in the idler arm, shift the arm to create slack in the belt. 4. While holding the idler back with the breaker bar, wrap the belt around the right pump pulley. 5. Replace and secure clutch stop. Reinstall the deck belt. 6. Check the belt tension. To tighten the belt, turn the nut on the idler eyebolt. The recommended belt tension is 27 lb. Adjusting the Mower Deck Leveling Deck Adjust the deck while the mower is on a level surface. Make sure the tires are inflated to the correct pressure. See Tire Pressures in this section. If tires are under or over inflated, the deck cannot be properly adjusted. Faulty mower deck adjustments will cause an uneven mowing result. 24 2. Measure from the floor surface up to the bottom of the blade tip on the discharge side of the mower deck. Record this measurement. Move to the opposite side; check that measurement is the same. If adjustment is required, loosen the locknut and adjust the bolt up until the two side to side measurements are equal. Retain measurement. 3. Turn the two outer blades to align with the deck front to rear. Reposition the rear mounting bolts up or down until the rear blade tips are positioned 1/8" to 3/8" (3.175 mm 9.525 mm) higher in the rear than the front blade tips. 4. Confirm measurements once again. The blade tip height must be equal side to side. In the rear, the blade tips must be 1/8" to 3/8" (3.175 mm - 9.525 mm) higher than the front measurement. In the front, blade tips must be equal from side to side. NOTE: This will place the mower deck in a standard measurement position. Depending on the type of grass being mowed or environmental conditions, more adjustments may be required to get the desired cut.