Hyundai HST4020 Original Instructions Manual page 14

Petrol scarifier
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Always ensure that a safe distance (provided by the long handles) is maintained between the user and the
housing. Be especially careful when scarifying and changing direction on slopes and inclines. Maintain a
solid footing and wear sturdy, non‐slip footwear and long trousers. Always scarify along the incline (not up
and down).
For safety reasons, the scarifier may not be used to scarify inclines whose gradient exceeds 15 degrees.
Use special caution when backing up and pulling the scarifier (tripping hazard)!
c. Adjusting the working depth (Fig. 8)
To set the working depth, push the lever for set‐ ting the depth (Fig. 8 / Item 4) gently away from the device,
set the required depth and then lock the lever back into position.
d. Stopping
When the work is finished, release the rotor engagement lever.
Important!
For transport move the lever for set‐ ting the depth to the highest position. Tips for proper working
It is recommended that you overlap scarifying paths a little. Try to scarify in straight lines for a nice, clean look.
Ins doing, the aeration swaths should always overlap each other by a few centimeters in order to avoid bare
strips.
As soon as grass clippings start to trail the scarifiers, it is time to empty the grass basket.
Important!
Before taking off the grass basket, switch off the motor and wait until the roller has come to a stop.
To remove the grass basket, lift up the ejector flap with one hand, while unhooking the basket with the other.
How frequently you should scarify your lawn is determined primarily by the speed at which the grass grows
and the hardness of the soil.
Keep the underside of the equipment clean and remove soil and grass build‐up. Deposits make it more difficult
to start the aerator and decrease the quality of the scarifying.
Always scarify along inclines (not up and down). Switch off the motor before doing any checks on the roller.
Important!
The roller rotates for a few seconds after the motor is switched off. Never attempt to stop the roller. In the
event that the rotating roller strikes an object, immediately switch off the equipment and wait for the roller to
come to a complete stop. Then inspect the condition of the roller. Replace any parts that are damaged.
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