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manual abstract
• Follow the maintenance schedule in this manual. (_ Handle bracket mounting pins BEFORE EACH USE _ Spray lubricant See "ENGINE" in Maintenance section. • Check engine oil level. • Check for loose fasteners. IMPORTANT: Do not oil or grease plastic wheel bearings. Viscous lubricants will LUBRICATION attract dust and dirt thatwill shorten the life of Keep unit well lubricated the self-lubricating bearings. If you feel they (See "LUBRICATION CHART"). must be lubricated, use only a dry, powdered graphite type lubricant sparingly. 12 LAWN MOWER Always observe safety rules when performing any maintenance. TIRES • Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber. • Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage. DRIVE WHEELS Check rear drive wheels each time before you mow to be sure they move freely. The wheels not turning freely means trash, grass cuttings, etc. are in the drive wheel area and must be cleaned to free drive wheels. If necessary to clean the drive wheels, be sure to clean both rear wheels. BLADE CARE For best results, mower blade must be kept sharp. Replace a bent or damaged blade. A CAUTION: Use only a replacement blade approved by the manufacturer of your mower. Using a blade not approved by the manufacturer of your mower is hazardous, could damage your mower and void your warranty. TO REMOVE BLADE 1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. 2. Turn lawn mower on its side. Make sure air filter and carburetor are up. 3. Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt. NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth. 4. Remove blade bolt by turning counterclockwise. 5. Remove blade and attaching hardware (bolt, lock washer, hardened washer). 6. Remove debris shield. NOTE: Remove the blade adapter and check the key inside hub of blade adapter. The key must be in good condition to work properly. Replace adapter if damaged. TO REPLACE BLADE 1. Position blade adapter on engine crankshaft. Be sure key in adapter and crankshaft keyway are aligned; and that drive belt is inside tabs of belt retainer. 2. Install debris shield. 3. Position blade on the blade adapter. IMPORTANT: To ensure proper assembly, center hole in blade must align with star on blade adapter. 4. Be sure the trailing edge of blade (opposite sharp edge) is up toward engine. 13 5. Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft. 6. Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise. • The recommended tightening torque is 35-40 ft. Ibs. IMPORTANT: Blade bolt is heat treated. If bolt needs replacing, replace only with approved bolt shown in the Repair Parts section of this manual. Belt retainer Trailing edge Blade adapter Hardened Debris shield washer Lockwasher Blade Blade bolt TO SHARPEN BLADE NOTE: We do not recommend sharpening blade -but if you do, be sure blade is bal anced. An unbalanced blade will cause eventual damage to mower or engine. • The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while on the mower. • To check blade balance, you will need a 5/8" diameter steel bolt, pin, ora cone balancer. (When using a cone balancer, follow instructions supplied with balancer.) NOTE: Do not use a nail for balancing blade. The lobes of the center hole may appear to be centered, but are not. • Slide blade on to an unthreaded portion of the steel bolt or pin and hold the bolt or pin parallel with the ground. If blade is balanced, it should remain in a horizontal position. If either end of the blade moves downward, sharpen the heavy end until the blade is balanced. Center hole 5/8" bolt or pin Blade GRASS CATCHER • The grass catcher may be hosed with water, but must be dry when used. • Check your grass catcher often for damage or deterioration. Through normal use it will wear. If catcher needs replacing, replace only with approved replacement catcher shown in the Repair Parts section of this manual. Give the lawn mower model number when ordering. GEAR CASE • To keep your drive system working properly, the gear case and area around the drive should be kept clean and free of trash build-up. Clean under the drive cover twice a season. • The gear case is filled with lubricant to the proper level at the factory. The only time the lubricant needs attention is if service has been performed on the gear case. • If lubricant is required, use only Texaco Starplex Premium 1 Grease, Part No. 750369. Do not substitute. ENGINE LUBRICATION Use only high quality detergent oil rated with API service classification SG-SL. Select the oil's SAE viscosity grade according to your expected operating temperature. SAE VISCOSITY GRADES F -20 0 30 3240 60 80 100 C -30 -20 -10 0 110 20 30 40 TEMPERATURE RANGE ANTICIPAT...