Use and Care Manual

English 23
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 with the aid of a feeler gauge and, if necessary, reset it to the correct gap (0.5
mm).
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 handle.
◁ 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.
7.6 Adjusting the carburetor
The carburetor of this product has been factory set for optimum performance and sealed to prevent tampering
(jets H and L). The idling speed of the machine (jet T) may be adjusted by the user. All other adjustments
must be carried out by Hilti Service.
Tampering with the carburetor settings may cause damage to the engine.
▶ Clean the air filter. → page 21
▶ Allow the product to run until it reaches its normal operating temperature.
Printed: 24.05.2018 | Doc-Nr: PUB / 5341998 / 000 / 02