DR Power Walk-behind 13 - 17 HP (April 2005 - August 2005) - Manual (Page 38)

34 DR  ALL-TERRAIN  FIELD and BRUSH MOWER Safety & Operating Instructions
End of Season & Storage
Note: Please refer to the engine owner's manual for engine-specific procedures.
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Change the oil (and oil filter, if applicable). For winter use, use SAE 5 – 30 HD.
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Remove the spark plug(s) and pour about 1 ounce of motor oil into the cylinder
hole. Replace the plug(s) and pull the recoil starter rope until you feel strong
resistance. This will coat the piston and seat the valves to prevent moisture
buildup.
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Clean/replace the air filters.
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Clean dirt and debris from the cylinder head cooling fins, blower housing, debris
screen and muffler area of the engine.
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If your engine has a fuel filter, replace it.
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If your DR ALL-TERRAIN FIELD and BRUSH MOWER will be idle for more
than 30 days, we recommend using a gas stabilizer. This will prevent sediment from
gumming up the carburetor. If there is dirt or moisture in the gas or tank, remove
it by draining the tank. Completely fill the tank with fresh, unleaded gas and add
the appropriate amount of stabilizer or gasoline additive. Run the engine for a
short time to allow the additive to circulate. Close the fuel shut-off valve, if your
machine is equipped with one, to prevent carburetor overflow and leakage.
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Store the battery in a dry area that will not freeze. If the machine is not used over a
long period, the battery should be charged every four to six weeks. See page 22.
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Remove any wrapped weeds from the blade bearing housing. Clean grass and
debris from the top and underneath the mower deck with a stiff brush.
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Check the blade for nicks and wear. Remove the blade and sharpen, or have it
professionally sharpened if needed.
Note: For winter use, please refer to the attachment instructions.
WARNING! Before performing any maintenance procedure, stop the
engine and disconnect the spark plug wire(s).