Hilti DSH 700 Mode D'emploi Original page 44

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7.2 Cleaning or replacing the air filter
Risk of damage. Entry of dust causes irreparable damage to the product.
▶ Never operate the machine if the air filter is damaged or missing.
▶ When changing the air filter, the product should stand upright and should not be laid on its side.
Take care to ensure that no dust finds its way onto the underlying filter screen.
Note
Change the air filter if engine performance drops noticeably or if the engine becomes difficult to start.
1. Release the securing screw on the air filter cover and remove the cover.
2. Carefully remove the dust adhering to the air filter and the filter chamber (use a vacuum cleaner).
3. Release the four screws retaining the filter holder and remove the air filter.
4. Fit the new filter and secure it with the filter holder.
5. Fit the air filter cover and tighten the retaining screws.
7.3 Replacing a broken starter cord
CAUTION
Risk of damage. The housing may suffer damage if the starter cord is too short.
▶ Never continue to use a broken starter cord. Replace it immediately.
1. Unscrew the three securing screws and remove the starter assembly.
2. Remove the remaining pieces of the starter cord from the spool and the starter handle.
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
Note
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.
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