Hilti DSH 900-X Mode D'emploi Original page 44

3. Make a secure knot in the end of the replacement starter cord and then pass the free end of the cord
through the hole in the spool from above.
4. Pass the end of the cord through the opening in the starter housing from below, also through the starter
handle from below, and then make a secure knot in the end of the cord.
5. Pull a length of the starter cord out of the housing as shown in the illustration and pass it through the slot
in the spool.
6. Hold the cord securely close to the slot in the spool and then rotate the spool in a clockwise direction as
far as it will go.
7. Rotate the spool back from its end point at least a ½ revolution, max. 1 ½ revolutions, until the slot in the
spool is in alignment with the opening in the starter housing.
8. Hold the spool securely and pull the free end of the cord out of the housing towards the starter handle.
9. Hold the cord under tension, release the spool and allow the starter cord to be pulled in.
10. Pull the starter cord out as far as it will go and check to ensure that the spool can be turned by hand at
least a further ½ turn in a clockwise direction. If this is not possible, spring tension must be reduced by
one revolution in a counterclockwise direction.
11. Fit the starter assembly and press it down gently. Pull the starter cord slightly until the coupling engages
and the starter assembly is fully seated.
12. Secure the starter assembly with the three retaining 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 start/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 cord (press the decompression valve first).
▶ 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.
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