Yard force YF22-3N1SPVS-SC Manual De Uso Y Cuidado página 18

(2) Use a spark plug socket wrench (not supplied) to remove the spark plug (see Fig. 19-1).
(3) After drying, tighten the spark plug.
NOTE: Install the spark plug carefully by hand to avoid cross-threading. After the plug is seated,
tighten 1/8 to 1/4 turn with the spark plug socket wrench to compress the washer.
3. Pull the Engine On/Off Control Bar toward upper handle.
4. Operate the starter as described above.
MOWING
WARNING: Always observe the strictest safety procedures when using the lawn mower.
Carefully read the safety instructions of this manual before using the lawn mower.
WARNING: Never open the rear chute flap when the grass bag has been detached (to be emptied)
and the engine is still running. The rotating blade can cause serious injuries!
1. Select your required height and function settings.
2. Start the engine and allow it run. See "To start the engine".
3. Keep a firm grip on the upper handle with engine on/off control bar and self-propelled drive control bar
closed and walk along with it self-propelling to start mowing.
WORKING TIPS
1. Walk, never run with the mower, and be very careful when mowing uneven or rough ground.
2. Mow across slopes, never up and down.
3. Be careful when changing the direction of the mower on a slope.
4. Do not mow excessively steep slopes.
5. The best result will be achieved if the grass is dry. Wet grass will tend to clog the blade and the grass
collection system.
6. Grass grows at different rates at different time of the year. Never use the lowest cutting height for the
first cut of the season or in drought conditions.
7. Only about one third of the grass height should be cut.
8. Do not cut high or wet grass when mulching to ensure that the cut grass can be scattered effectively.
When you have been cutting for several minutes, please stop the mower and clean the blade and the
deck.
9. Do not remove grass debris in the mower casing or on the blade by hand or with your feet.
Instead, use suitable tools such as a brush or broom.
OPERATION
Fig. 19-1
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