Operating the unit

English	Operating Instructions HD 10/25 S USA

Screw suction hose with filter

(Order no. 4.440-238) to the water outlet.

Vent the unit before using.

To evacuate air from the unit, unscrew the nozzle and leave the unit running until wa- ter exits with no air bubbles.

Switch off the unit and screw the nozzle back on.

!Danger!Observe the relative safety regulations when using the unit at filling stations or other high-risk areas.

Caution!

Only clean engines in places which have appropriate oil separators (protection of the environment).

Caution!

Only wash animals with the low- pressure fan jet (see "Selecting the type of spray").

Operating with high pressure

The unit is equipped with a pressure switch. The motor only starts up when the lever is re- tracted.

Set the unit switch to "I". The indicator light will go green.

Unlock the hand-held spray gun and retract the lever of the gun.

Adjust operating pressure and flow rate (+/–) by rotating the pressure/flow control (infinitely variable).

At the lowest flow rate the waste heat from the motor will heat the water to approx. 15 °C.

The handgun must be closed.

Rotate the housing of the nozzle until the desired symbol corresponds with the mark- ing.

Select pencil jet or fan jet by contactless changeover:

rotate the spray lance, which is pointing down at an angle of approx. 45°, to the left or right.

Explanation of the symbols

High-pressure pencil jet (0°),

for particularly stubborn accumu- lation of grime.

High-pressure fan jet (25°), for

dirt accumulation over a large surface.

for operation with detergent or for cleaning at low pressure.