English 23
7.1 Maintenance table
Before use Every 6
months
If necessary
Check that the tool is complete, in perfect condition
and free of leaks. Have it repaired if necessary.
X
Check for dirt and foreign matter. Clean if necessary. X
Check that the controls function correctly. Have repairs
carried out if necessary.
X
Check that the cutting disc is in perfect condition.
Replace if necessary.
X
Check that all externally accessible nuts and screws are
securely tightened.
X X X
Check that the fuel filter is clean. Replace it if neces-
sary.
X X
Replace the air filter if the product does not start or
engine performance fades noticeably.
X
Clean or replace the spark plug if the product does not
start or is difficult to start.
X
Adjust the idling speed if the cutting disc does not slow
to a standstill when the engine is idling.
X
Have the product repaired by Hilti Service if the drive
belt slips when a load is applied to the cutting disc.
X
7.2 Cleaning or replacing the air filter
ATTENTION
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.
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.
Printed: 24.04.2018 | Doc-Nr: PUB / 5265931 / 000 / 02
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