Hilti DSH 900-X Mode D'emploi Original page 41

WARNING
Risk of injury. A damaged exhaust system raises the noise level above the permissible limit and increases
the risk of suffering hearing damage.
▶ Never use the product if the exhaust system is damaged, missing or if it has been tampered with.
WARNING
Risk of injury if product is operated without the cover for the water pump correctly installed Touching
the water pump connection during operation leads to injuries.
▶ Before starting operation, make sure that the cover for the water pup is correctly installed.
WARNING
Risk of injury due to substances and gases igniting. Burns and fatalities can result.
▶ Do not use the product if flammable substances and gases are present.
▶ Ensure adequate ventilation.
CAUTION
Risk of burns or injury through pinching the fingers when the water pump is fitted. Touching the pump
housing can cause burning injuries.
▶ Hold the forward grip only at the top and on the left side.
1. Press the decompression valve (once).
2. When starting the cold engine (only when cold), squeeze the primer bulb 2 to 3 times (until the primer
bulb is completely filled with fuel).
3. Press the throttle safety grip and keep it pressed.
4. Press the throttle trigger and keep it pressed.
5. Move the run/stop switch to the "start" position.
6. Release the throttle safety grip and throttle trigger.
▶ This half-throttle position is activated.
7. Check that the cut-off wheel is free to rotate.
8. Position your right foot over the lower part of the rear grip.
9. Pull the starter handle slowly with your right hand until resistance is felt.
10. Pull the starter handle vigorously.
11. Repeat this action until the engine starts.
12. Press the throttle trigger briefly as soon as the engine starts.
▶ This disengages the half-throttle position and the engine then runs at idling speed when the throttle
is released.
5.8 Checks after starting the engine
1. Check that the cut-off wheel remains stationary when the engine is idling and, after briefly running at full
speed, that the wheel again comes to a complete standstill.
▶ Readjust (reduce) the idling speed if the cut-off wheel doesn't stop rotating when the engine is idling.
If this is not possible, please bring the product to Hilti Service.
2. Check that the run/stop switch is functioning correctly. Move the run/stop switch to the "stop" position.
3. If the engine doesn't stop, compress the primer bulb. If the engine still doesn't stop, pull the spark plug
connector off the spark plug and bring the product to Hilti Service.
5.9 Switching the engine off
WARNING
Risk of injury. A rotating cut-off wheel can break or shatter, possibly resulting in flying fragments.
▶ Allow the rotating cut-off wheel to come to a complete standstill before you lay the saw down.
1. Release the throttle trigger.
2. Move the run/stop switch to the "stop" position.
▶ The engine stops.
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