The leaves have fallen, the gutters are clear, and your yard is finally prepped for winter. Now that your 40V leaf vac is being retired to the shed or garage for the next few months, you might be tempted to just shove it in a corner and forget about it. However, improper off-season storage is the number one killer of cordless outdoor equipment. With a few simple steps, you can ensure your machine fires up immediately next fall without needing expensive battery replacements or carburetor repairs.
Clean the Air Intake and Fan Blades
Most people empty the collection bag, but few check the actual vacuum housing. After a season of use, your mulcher fan blades and air intake vents are likely caked with a fine layer of green dust and dried sap. If left over the winter, this debris hardens into a cement-like substance that causes the fan to become unbalanced. Use a stiff brush or compressed air to remove debris from the vents. For the fan housing, a damp cloth with a mild detergent works well to dissolve sap. A clean fan spins true and maintains maximum suction power.
Inspect and Repair the Collection Bag
The fabric collection bag is the most vulnerable part of your 40V system. Mice love chewing through mesh bags to create nesting material, and even the smallest hole will turn your vacuum into a dust storm next spring. Before storing, empty the bag completely and turn it inside out. Shake out any remaining dirt and check for tears. Wash the bag gently with soap and water, ensuring it is 100% dry before storage. Store the bag in a sealed plastic tote rather than hanging it where rodents can access it.
Battery Storage: The 40% Rule
Your 40V lithium-ion battery is the heart of the system, and storing it incorrectly can permanently reduce its lifespan. Never store the battery fully charged or completely dead. The ideal storage charge is around 40-60%. If your charger has a storage mode, use it. If not, simply use the tool until the battery indicator shows two out of four lights. Store the battery in a cool, dry place between 40°F and 70°F. Contrary to popular belief, the refrigerator is too humid. Disconnect the battery from the vacuum and the charger for the entire off-season.
Tube and Nozzle Storage Position
Plastic becomes brittle in cold temperatures. If you leave the extension tubes attached to the motor head while leaning the tool against a wall, the weight of the long tubes puts stress on the locking collars. This can cause the plastic to warp or crack by spring. Disassemble the tubes and store them horizontally. If you must store the unit standing up, remove the tubes and store the motor head alone on the floor. This prevents accidental tipping and keeps the power head safe.
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