DR Power Walk-Behind 6.5 (Pre-August 2010) - Manual (Page 45)

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End of Season and Storage
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WHEN PERFORMING ANY MAINTENANCE, YOU MUST FIRST SHUT OFF THE ENGINE, WAIT FIVE
(5) MINUTES TO ALLOW PARTS TO COOL AND DISCONNECT THE SPARK PLUG WIRE, KEEPING IT
AWAY FROM THE SPARK PLUG.
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EMPTY THE DEBRIS BAG TO PREVENT SPONTANEOUS COMBUSTION DUE TO DECAYING MATERIAL.
NOTE: Please refer to the Engine Owner’s Manual for Engine-specific procedures.
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Change the oil.
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If your DR WALK-BEHIND LEAF & LAWN VACUUM 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.
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Remove the Spark Plug and pour about 1 ounce of motor oil into the Cylinder hole. Replace the
Plug 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 or replace the Air Filter.
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Clean dirt and debris from the Cylinder Head Cooling Fins, Impeller Housing, Debris Screen, and
Muffler area of the Engine.
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Clean out residual debris from the Nozzle.
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Clean the Debris Bag. See page 24.
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For Electric-Start models, store the Battery in a dry area that will not freeze. If you will not use the
machine over a long period, charge the Battery every four to six weeks. See page 32.