Use and Care Manual

ManualsBrandsHilti ManualsConcrete SawsDSH 600-X 12 in. Hand Held Gas Saw with 12 in. Premium Diamond Saw Blades

26 English

Trouble or fault Possible cause Action to be taken

The diamond cutting disc

swings up and may jam.

Diamond cutting disc does not fit

correctly

▶ Use Hilti cutting discs.

Flange for diamond cutting disc

does not fit correctly

▶ With cutting discs made by

competitors, use the flange for

abrasive cutting discs.

The saw doesn’t start or is

difficult to start.

The fuel tank is empty (no fuel in

the carburetor).

▶ Fill the fuel tank. → page 12

Air filter clogged with dirt or dust. ▶ Change the air filter.

DSH 600

The engine is flooded (spark plug

wet).

▶ 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.

DSH 600-X

The engine is flooded (spark plug

wet).

▶ Remove the spark plug, dry the

plug and allow the cylinder to

dry out.

Wrong fuel mixture. ▶ Empty the fuel tank and flush

out the tank and fuel supply line.

▶ Fill the fuel tank with the correct

fuel.

Air in the fuel line (no fuel reaching

the carburetor).

▶ Remove the air from the fuel

line by operating the fuel pump

several times.

The fuel filter is dirty or blocked (no

fuel or too little fuel reaching the

carburetor).

▶ Clean the fuel tank and change

the fuel filter.

No ignition spark visible or spark is

too weak (seen when spark plug is

removed).

▶

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.

Engine compression is too low. ▶ Check the engine compression

and, if necessary, replace worn

parts (piston rings, piston,

cylinder, etc.).

The ambient temperature is too

low.

▶ Allow the saw to warm up to

room temperature and repeat

the starting procedure.

The spark arrestor or exhaust exit

is clogged.

▶ Clean the spark arrestor or

exhaust exit.

Low engine power / poor

cutting performance