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Trouble or fault
High vibration, disc wanders
off the cutting line.
The diamond cutting disc
swings up and may jam.
The saw doesn't start or is
difficult to start.
Low engine power / poor
cutting performance
Printed: 30.03.2017 | Doc-Nr: PUB / 5341985 / 000 / 00
Possible cause
Cutting disc is damaged (or unsuit-
able specification, cracked, seg-
ments missing, bent, overheated,
deformed, etc.).
The centering bushing is fitted in-
correctly.
Diamond cutting disc does not fit
correctly
Flange for diamond cutting disc
does not fit correctly
The fuel tank is empty (no fuel in
the carburetor).
Air filter clogged with dirt or dust.
DSH 600
The engine is flooded (spark plug
wet).
DSH 600-X
The engine is flooded (spark plug
wet).
Wrong fuel mixture.
Air in the fuel line (no fuel reaching
the carburetor).
The fuel filter is dirty or blocked (no
fuel or too little fuel reaching the
carburetor).
No ignition spark visible or spark is
too weak (seen when spark plug is
removed).
Engine compression is too low.
The ambient temperature is too
low.
The spark arrestor or exhaust exit
is clogged.
Air filter clogged with dirt or dust.
Action to be taken
▶ Change the cutting disc.
▶ Check that the mounting bore
of the cutting disc to be
fitted corresponds with the
centering collar of the cutting
disc mounting flange.
▶ Use Hilti cutting discs.
▶ With cutting discs made by
competitors, use the flange for
abrasive cutting discs.
▶ Fill the fuel tank. → page 8
▶ Change the air filter.
▶ Remove the spark plug, dry the
plug and allow the cylinder to
dry out.
▶ Disengage the choke lever and
repeat the starting procedure
several times.
▶ Remove the spark plug, dry the
plug and allow the cylinder to
dry out.
▶ Empty the fuel tank and flush
out the tank and fuel supply line.
▶ Fill the fuel tank with the correct
fuel.
▶ Remove the air from the fuel
line by operating the fuel pump
several times.
▶ Clean the fuel tank and change
the fuel filter.
▶ Clean the spark plug to remove
carbon deposits.
▶ Check the spark plug electrode
gap and set it correctly.
▶ Change the spark plug.
▶ Check the ignition coil, cable,
plug connections and switch
and change the defective part if
necessary.
▶ Check the engine compression
and, if necessary, replace worn
parts (piston rings, piston,
cylinder, etc.).
▶ Allow the saw to warm up to
room temperature and repeat
the starting procedure.
▶ Clean the spark arrestor or
exhaust exit.
▶ Change the air filter.
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