The distance between the lower rubber paddle and the ground should be 1/16-1/8 of an inch. The blade should be level and come in contact with the ground. Disconnect the spark plug and turn the fuel valve off to prevent an accidental start. To check the blade alignment, place the snow blower on a level surface. If the distance is less than 5/8 inch, have the paddles replaced by a dealer. Measure the distance between the edge of the paddle and the metal part of the auger. To inspect the paddles, place the snow blower on a level surface. To adjust the tension, move the cable end from the lower hole to the upper hole on the bail. The spring should be 2.93-3.15 inches long. To check the belt tension, slide the spring cover up on the drive cable. Moving the spring down one hole adjusts the lever distance by Вј inch, and adjusting the cable position moves it by 3/8 inch. Slide the cover up to expose the spring and access these holes. There are several adjustment holes for both the clutch spring and the cable near the base of the handle. Measure the distance between the bail and the handle: it should be between 7 ВЅ and 8 inches. To check the tension, squeeze the bail until you feel some resistance. Honda recommends torquing the plug to 14 ft-lbs. If the plug is new, rotate the plug a half turn after it seats to crush the sealing washer. Screw the plug in by hand, then tighten it down with the wrench. Replace the plug if itвЂ™s heavily worn or has cracks or other damage. Disconnect the spark plug cap, then unscrew the plug using a spark plug wrench.Дў. Open the plug access panel next to the fuel filler cap. Let the engine cool off before removing the spark plug.ДЎ. Stop when the oil is at the edge of the neck. Install the drain plug, using a new washer.Д¦. Remove the drain bolt and washer from the back of the engine, next to the filler neck.ДҐ. Place the snow blower on a level surface.Д¤. Honda recommends 5W30 oil when temperatures are above 10вЏ and 5W20 when operating in weather below 10вЏ.ДЎ. Oil should be checked with the dipstick inserted in the filler neck but not screwed in. Honda recommends having the snow blower professionally serviced every 100 hours to check engine speed and valve clearance, and every two years to inspect the fuel system. Grease the chute tension bolts if you have an AM blower.ДЄfter the first 5 hours of use and every 50 hours of operation: Change the oil. Inspect the spark plug, auger clutch, auger paddles and chute guide lever (if equipped.)Д®very year before storage: Check the spark plug and drain the fuel tank and carburetor. Maintenance ScheduleД«efore use: Check the oil and scraper blade.Д®very year before use: Change the oil. Do you want to make sure your Honda single stage snow blower will be reliable and deliver maximum performance? HereвЂ™s everything you need to do to keep your HS720AM, HS720AS or HS720AA performing at its best.

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