[. . . ] Call 1- (330) 220-4MTD (4683) or 1- (800)-800-7310 to reach a Customer Support representative. [. . . ] You will be asked to enter the serial number in order to process your call. SECTION 2: CONTENTS OF CARTON Before beginning installation, remove all parts from the carton to make sure everything is present. • • • • • Front Bumper - (768-0010B) Two Clevis Pins - (711-0332) Two Cotter Pins - (714-0145) Four Hex Bolts - (710-1260A) Four Hex Flange Nuts - (712-3004A) SECTION 3: ASSEMBLY WARNING: Before beginning installation, place the tractor on a firm and level surface. Place the PTO in the disengaged (OFF) position, stop the tractor engine and set the parking brake. NOTE: References to LEFT and RIGHT indicate the left and right sides of the tractor when facing forward in the operator’s position. Insert the hex bolts from the outside through the holes and secure with the hex flange nuts. Mounting Bumper to Box-Frame Garden Tractor WARNING: Muffler may be hot!NOTE: The front bracket is exploded from the tractor for clarity in Figure 3. • To mount the bumper to the tractor, slide the bumper over the front brackets, aligning the two holes in the bumper over the two upper holes in the bracket. Insert the hex bolts from the outside through the holes and secure with the hex flange nuts. • • IMPORTANT: If the tractor is equipped with a muffler guard between the tractor brackets, the hex bolts should be bolted into the guard. [. . . ] The nuts will not be neccessary. IMPORTANT: If the tractor is equipped with a muffler guard between the tractor brackets, the hex bolts should be bolted into the guard. [. . . ]