To prevent overload conditions, do not try to remove too much grass at one time. Slow down your cutting pace or raise
the cut height.
Your mower has built-in overload circuit protection. When the mower is overloaded, the motor will stop and the power
indicator on the mower will flash orange. Remove the battery pack from the mower. Check to see if grass has collected
beneath the deck and clear it if necessary, then install the battery and restart the mower.
BATTERY HIGH TEMPERATURE PROTECTION
The battery pack will generate heat during operation. The heat dissipates more slowly in hot weather. If the battery
temperature exceeds 158°F (70°C) during operation, the protection circuit will immediately turn off the mower to protect
the battery pack from heat damage. The power indicator on the mower will shine orange and the LED on the battery will
flash orange.
Release the bail handle, wait until the battery pack cools down to approximately 152°F (67°C), then restart the mower.
MOWING TIPS
NOTICE: A sharp blade will greatly enhance the performance of the mower, especially when cutting tall grass. Make sure
to check the sharpness of the blade before mowing.
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Verify that the lawn is free of stones, sticks, wires, and other objects which could damage the lawn mower or
motor. Such objects could be accidentally thrown by the mower in any direction and could cause serious personal
injury to the operator and to others.
WARNING: If you strike a foreign object, stop the motor and remove the battery. Thoroughly inspect the mower for
any damage, and repair the damage before restarting and operating the mower. Excessive vibration of the mower during
operation is an indication of damage. The unit should be promptly inspected and repaired.
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For best results, do not mow in circles. Travel back and forth across the lawn.
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When cutting thick grass, reduce your walking speed in order to allow for a more effective cut and a proper
discharge of the clippings.
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To maintain a healthy lawn, cut off only one-third or less of the total length of the grass. The average lawn should
be approximately 1-1/2 to 2 inches long during cool months, and between 2 to 3-1/4 inches long during hot
months.
SLOPE GAUGE (Fig. 21)
WARNING: Do not mow a slope that has an angle of greater than 15° (a rise of approximately 2-1/2' (0.75m) every
10' (3m)). Mow across the face of a slope and never up and down.
Use Fig. 21 as a guide in order to identify slopes that cannot be mowed safely.
MULCHING TIPS
WARNING: Inspect the area where the mower is to be used and remove all stones, sticks, wire and other debris that
might be thrown by the rotating blade.
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Release the switch to turn off the mower blade rotation when crossing any graveled areas; stones can be thrown
by a rotating blade.
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Set the mower to the highest cutting height when mowing on uneven ground or in tall growth.
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For effective mulching, do not cut wet grass; it tends to stick to the underside of the deck, preventing the proper
mulching of grass clippings. The best time to mow grass is in the late afternoon, when the grass is dry and the
56-VOLT LITHIUM-ION CORDLESS LAWN MOWER — LM2020SP/LM2020
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