Operating Instruction DSH 700X-900X

Table Of Contents
12 English 2271385
*2271385*
7. Make sure that the water pressure in the water supply line is not more than 6 bar.
If the pressure in the water supply line is more than 6 bar, reduce the water pressure.
8. Connect the water pump to the water supply or immerse the end of the suction hose in a container filled
with water.
Fit the protective cap to the end of the water connection hose when the water pump is not
connected to a water supply.
5.6 Removing the water pump (accessory)
1. Switch the product off.
2. Disconnect the water supply from the water pump.
3. Fit the protective cap to the end of the water connection hose.
4. Disconnect the connector between the pump and the tool.
5. Release the three fastening screws on the pump and then remove the pump.
6. Fit the pump cover on the tool, insert the three retaining screws and tighten the screws securely
(tightening torque: 4 Nm).
5.7 Starting the engine 7
DANGER
Risk of asphyxiation. Carbon monoxide, unburned hydrocarbons and benzene in the exhaust gas may
cause asphyxiation.
Don’t work in closed rooms, trenches or pits and make sure the area is well ventilated.
WARNING
Risk of burning injury. The exhaust system gets extremely hot when the engine is running. It stays hot for a
long time after the engine is switched off.
Wear protective gloves and avoid touching the exhaust system.
Do not lay the product down on flammable material while hot.
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.