Hilti DSH 600-X Mode D'emploi page 24

11. Pull the starter cord out as far as it will go and check that the spool can be turned by hand at least a
further ½ turn clockwise. If this is not possible, spring tension must be reduced by turning the spool one
full turn counterclockwise.
12. Install the cover and secure it with the two securing screws.
13. Place the starter assembly in position and carefully press it down. Pull the starter cord slightly until the
coupling engages and the starter assembly is fully seated.
14. Secure the starter assembly with the four securing screws.
7.4 Replacing the fuel filter
When refueling the product, take care to ensure that no dirt or foreign matter finds its way into the fuel
tank.
1. Remove the cap from the fuel tank.
2. Pull the fuel filter out of the fuel tank.
3. Check the condition of the fuel filter.
▶ Replace the fuel filter if it is very dirty or clogged.
4. Slide back the clip on the hose and remove the dirty fuel filter.
5. Fit a new fuel filter and secure it with the clip on the hose.
6. Push the fuel filter back into the fuel tank.
7. Close the fuel tank.
7.5 Cleaning the spark plug, setting the spark plug gap or replacing the spark plug
CAUTION
Risk of injury. The spark plug and parts of the engine may be hot immediately after the product has been in
use.
▶ Allow the product to cool down before undertaking maintenance or cleaning.
1. Use a gentle twisting motion to pull the cable connector off the spark plug.
2. Use the spark plug wrench to unscrew and remove the spark plug from the cylinder.
3. If necessary, clean the spark plug electrode with a soft wire brush.
4. Check the spark plug gap and, if necessary, adjust it to the correct gap of 0.7 mm with a feeler gauge.
5. Fit the ignition cable connector to the spark plug and hold the threaded section of the spark plug against
the cylinder.
6. Move the run/stop switch to the "start" position.
WARNING
Risk of injury. Touching the electrodes presents a risk of electric shock.
▶ Don't touch the spark plug electrodes.
7. Pull the starter handle.
▶ An ignition spark must now be clearly visible.
8. Use the spark plug wrench to screw the spark plug into the cylinder (tightening torque: 12 Nm).
9. Fit the ignition cable connector to the spark plug.
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 15
▶ 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.
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