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English-50 MAINTENANCE Blade replacement 123 4 WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. • Remove blade bolt by turning counterclockwise. 1. Blade IMPORTANT INFORMATION 2. Debris shield 3. Blade bolt (special) To ensure proper assembly, center hole 4. Cutter housing in blade must align with star on cutter Blade attachment housing. • Install new or re-sharpened blade with stamped “GRASS SIDE” facing towards ground/grass (down) or “THIS SIDE UP” facing deck and cutter housing. • Install and tighten blade bolt securely. • Torque blade bolt to 45-55 ft/lbs (60-75 Nm). IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with a Dixon bolt if required. Do not use lower grade hardware than specified. English-51 MAINTENANCE Adjusting the Mower Deck WARNING! Before performing any service or adjustment checklist: 1. Engage the parking brake. 2. Place the Blade switch in the disengaged position. 3. Turn ignition switch to “OFF” position and remove the key. 4. Make sure the blades and all moving parts have completely stopped. 5. Disconnect the spark plug wire from all spark plugs and place the wire where it cannot come in contact with the plug. Leveling 1. Position the mower on a level, preferably concrete, surface. 2. Check the pressure in all four tires. See “Technical Data”. 3. Rotate blades to align front to back. 4. Set the cutting height to 4". 5. Measure front blade tip, should be 4" from ground, if not turn locknut on top of front eyebolt till measurement is achieved. Check blade tip at front on opposite front blade. Adjust locknut on front eyebolt as necessary. 6. Check rear blade measurement, should be 4." from ground, if not turn locknut on top of rear eyebolt to achieve measurement. Repeat procedure on opposite side. Adjusting Cutting Height 1. Raise and secure the deck height lever to the transport position (6”). 2. Position blade tip so it is straight forward. 3. Measure from the cutting edge of the blades to a flat level surface. The distance should be 6” (150 mm). 4. Drop and secure the lever at (for example) the 2” cutting height. Measure as above. The distance should be 2” (50 mm). WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. 3 4 1 2 1. Front eyebolt 2. Front locknut 3. Rear locknut 4. Rear eyebolt Leveling the mower deck English-52 MAINTENANCE To adjust anti-scalp rollers Anti-scalp rollers are properly adjusted when they are just slightly off of the ground when the deck is at the desired cutting height in the operating position. Anti- scalp rollers then keep the deck in the proper position to help prevent scalping in most terrain conditions. IMPORTANT INFORMATION Adjust Anti-scalp rollers with the mower on a flat level surface. CZ-9 The anti-scalp rollers can be set in three positions: Anti-scalp roller • Upper position 1. to 3" (38 to 76 mm) grass. • Middle position 3" to 4." (76 to 114 mm) grass. • Lower position 4." to 6" (114 to 152 mm) grass. The rollers should be approximately ." (6.5 mm) from ground. Do not adjust the rollers to support the deck. IMPORTANT INFORMATION The anti-scalp rollers must not be used for gauge wheels or the roller and deck may be damaged. Engine oil cooler Kohler engine only. 1. Clean the outside of fins with a brush. 2. Remove the two screws holding the cooler unit to the blower housing. 3. Tilt the cooler downward. 4. Clean the inside of the cooler with a brush or with compressed air. 5. Reinstall the oil cooler to the blower housing. Engine oil cooler English-53 English-54 MAINTENANCE Cleaning and Washing Regular cleaning and washing, especially under the mower deck, will increase the machine’s life-span. Make it a habit to clean the machine directly after use (after it is cooled), before the dirt sticks. Do not spray water on the top of the mower deck. Use compressed air to clean the top side of mower deck. Regularly clean deck and underside of the deck with normal water pressure. Do not use a high pressure washer or steam cleaner. Avoid spraying engine and electrical components with water Use protective glasses when cleaning and washing. Foam fi lled tires or solid tires will void the warranty. Removal and installation of caster wheel Remove nut and caster bolt. Pull the wheel out of the fork and take care of the sleeve. Install in reverse order. Tighten caster bolt. Hardware Check daily. Inspect the entire machine for loose or missing hardware. Do not rinse hot surfaces with cold water. Let unit cool before washing. Caster Wheels Check every 200 hours. Check that wheels rotates freely. If wheels do not rotate freely take the unit to your dealer for service. IMPORTANT INFORMATION DO NOT add any type of tire liner or foam fi ll material to the tires. Excessive loads created by foam fi lled tires will cause premature failures. Only use O.E.M. specifi ed tires. 8050-092 Cleaning 8011-619 Caster wheels English-55 LUBRICATI...

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