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7.6
Adjusting the carburetor
The carburetor of this product has been factory set for optimum performance and sealed to prevent tampering
(jets H and L). The idling speed of the machine (jet T) may be adjusted by the user. All other adjustments
must be carried out by Hilti Service.
Tampering with the carburetor settings may cause damage to the engine.
▶ Clean the air filter. → page 34
▶ Allow the product to run until it reaches its normal operating temperature.
▶ Use a suitable flat screwdriver (tip width 4 mm/ ⁵/₃₂ ") and do not force the adjusting screw beyond its
intended adjustment range.
▶ Adjust the idling speed jet (T) so that the engine runs smoothly when idling but the cut-off wheel does
not begin to rotate.
7.7
Cleaning the water nozzles
1. Remove the cleaning screw on the curved water distributor.
2. Use a wire to clean the water nozzles.
3. Fit the cleaning screw.
7.8
Care of the product
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with your product can be found at your
Hilti Store or online at: www.hilti.group
▶ Keep the product, especially its grip surfaces, clean and free from oil and grease.
▶ Do not use cleaning agents containing silicone.
▶ Clean the outer surfaces of the machine at regular intervals with a slightly damp cloth or a dry brush. Do
not use a spray, steam pressure cleaning equipment or running water for cleaning.
▶ Do not allow foreign objects to enter the interior of the product.
7.9
Maintenance
1. Check all external parts of the product and the accessories for damage at regular intervals and check
that all controls operate faultlessly.
2. Do not use the product if parts are damaged or if operating controls do not function faultlessly. Have the
product repaired by Hilti Service.
7.10
Checks after care and maintenance work
▶ After carrying out care and maintenance, check that all protective and safety devices are fitted and that
they function faultlessly.
8
Transport and storage
General instructions for transporting the product
▶ Switch the product off before transporting it.
▶ Remove the cut-off wheel from the product after use. The cut-off wheel may suffer damage during
transport with the cut-off wheel fitted.
▶ Handle cut-off wheels carefully and store cut-off wheels in accordance with the manufacturer's
instructions.
▶ Always store and transport the product in an upright position, not lying on its side.
▶ Do not transport the product by crane.
▶ Store the product in a secure place when not in use. Products which are not in use must be stored in a
dry, high place or locked away out of reach of children.
▶ When setting the product down, make sure that it stands securely.
▶ After use, allow the product to cool down before packing it away or placing a cover over it.
▶ Store gasoline and oil in a well-ventilated room in fuel containers that comply with regulations.
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