User manual MTD 401

[. . . ] The machine incorporates many safety features that should be studied by all operators before use. The list of safety precautions should receive particular attention. This manual presents all of the operating and maintenance instructions necessary to keep your mower at peak efficiency. If operated and maintained properly, your mower will give dependable service. CAUTION: Only thoroughly trained persons should operate and maintain this mower. [. . . ] Do not sharpen the underside of the blades. Use a electric blade sharpener, a conventional electric grinder or a hand file to sharpen the blades. Replace any blade with severe nicks or dents that cannot be removed by filing. Check the balance of the blade after sharpening by placing it on a blade balancer. If the blade dips on one end, file stock off of the cutting surface on that end. Note: Blades that cannot be easily balanced—REPLACE. 3. WARNING: 15 Changing the Blade Drive Belts: a. Remove ignition key and both spark plug boots. Unscrew the wing nuts from the deck covers and remove both covers. Using a 1/2" socket breaker bar or socket rachet insert the male end into the 1/2" opening in the lower idler arm assembly and pull the idler arm clockwise. While holding the idler arm back, loosen the Cover Plate Spindle Figure. 7 blade drive belt from the pulley and slide the belt away from the pulley. Remove tension of the PTO belt by moving the belt tensioning rod. Remove the hydraulic filter to allow hydraulic oil to drain. Remove the drain plug from the bottom of the hydraulic oil tank to drain. Remove fill oil cap from hydraulic reservoir for faster drainage. Remove nut caps and drain oil from both left and right axles. Replace and retighten nuts. Transmission c. Store the battery with a full charge. A discharged battery will freeze (refer to the table below). . Specific Gravity 1. 265 1. 250 1. 200 Figure. 9 Coat new filter seal with oil before installation. Install new hydraulic oil filter filled with new oil. Add proper amount of hydraulic oil to reservoir. Add proper amount of hydraulic oil to reservoir and repeat step L. j. Freezing Temp (°F) -71 -62 -16 5 16 1. 150 1. 100 d. [. . . ] To adjust the blade pitch the deck pitch must be adjusted. Loosen the inner jam nuts at the rear of the horizontal threaded rods. Start at Point C to raise the rear of the deck, tighten the rear outer jam nut to raise the deck pitch. Adjust the rear jam nut at Point D to take the “slack out of the threaded rod. [. . . ]