Exmark Metro 21 Series manual Danger

DANGER

POTENTIAL HAZARD

♦The lawn mower can throw grass clippings and other objects though an open discharge tunnel.

WHAT CAN HAPPEN

♦Objects thrown with enough force could cause serious personal injury or death to an operator or bystander.

HOW TO AVOID THE HAZARD

♦Never open the door on the discharge tunnel when the engine is running.

4.3.10Operating Tips

•Review the Safety Instructions (Section 1) and read this manual carefully before operating the lawn mower.

•Set the engine speed to the fastest position for the best cutting results.

•Maintain a sharp blade throughout the cutting season. Periodically file down nicks on the blade. Replace the blade when necessary with an original Exmark replacement blade.

•Clean the air filter frequently. Mulching stirs up more clippings and dust which clogs the air filter and reduces engine performance.

Cutting Grass

•Grass grows at different rates at different times of the year. In the summer heat, it is best to cut grass at the 2-1/4 inch (57 mm), 2-3/4 inch (70 mm), or 3-1/4 inch (83 mm) cutting height settings. Cut only about a third of the grass blade at a time. Do not cut below the 2-1/4 inch (57 mm) setting unless the grass is sparse or it is late fall when grass growth begins to slow down.

•When cutting grass over 6 inches (15 cm) tall, first mow at the highest cutting height setting and walk slower; then mow again at a lower setting for the best lawn appearance. If the grass is too long and the leaves clump on top of the lawn, the lawn mower may plug and cause the engine to stall.

•Alternate the mowing direction. This helps disperse the clippings over the lawn for even fertilization.

If the finished lawn appearance is unsatisfactory, try one or more of the following:

•Sharpen the blade.

•Walk at a slower pace while mowing.

•Raise the cutting height on your lawn mower.

•Cut the grass more frequently.

•Overlap cutting swaths instead of cutting a full swath with each pass.

•Set the cutting height on the front wheels one notch lower than the rear wheels. For example, set the front wheels at 2-1/4 inches (57 mm) and the rear wheels at the 2-3/4 inches (70 mm).

Cutting Leaves

•After cutting the lawn, ensure that half of the lawn shows through the cut leaf cover. You may need to make more than one pass over the leaves.

•For light leaf coverage, set all the wheels at the same cutting height setting.

•If there are more than 5 inches (12.7 cm) of leaves on the lawn, set the front cutting height 1 or 2 notches higher than the rear cutting height. This makes it easier to feed the leaves under the lawn mower deck.

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