Honda HRM21PVA Owner's Manual page 28

6. OPERATION
For your safety, keep all four wheels on the ground, and be careful not to lose
your footing and your control of the mower. Keep a firm grip on the handlebar,
and walk, never run, with the mower. Be very careful when mowing uneven
or rough ground.
Mow across slopes, never up and down. Be careful when changing the direction
of the mower on a slope. Do not use the mower on a steep slope of more
than 20°.
Use extra care when mowing over objects imbedded in the lawn, such as
sprinkler heads, paving, edging, etc. Avoid anything that sticks up above the
surface of the lawn. Striking objects may damage the blade, bend the
crankshaft, and/or break the mower deck or other components.
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AWARNING 1
A damaged blade may break. Broken pieces can be thrown
by the blade and may cause serious injury. Stop the engine immediately if you
suspect the blade is damaged.
If the blade hits something; or if the mower starts to vibrate, follow these steps:
1. Stop the engine.
2. Inspect the blade and other mower components for damage.
3. Replace any damaged parts before operating the mower.
NOTE: The Distributor's Limited Warranty does not cover parts damaged
by accident or collision.
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