7
II. O P E R A T I O N
3. HIGH PRESSURE OPERATION
-
Release the safety lock on the trigger gun .
-
Squeeze and hold the trigger gun in open position.
In the event of a lengthy break (more than 10-15 minutes)
switch the unit off to prevent damage caused by overhea-
ting.
Safety measures
The water jet causes the spray wand to recoil so the
wand and the trigger gun should be held firmly.
Never direct the water jet towards any person. Injury
could result from the high pressure and the chemical
used may cause irritation to the skin and mucous
membranes.
Never
direct the water jet directly towards the unit or
any other electrical equipment (risking short-circuits
and other damage) .
Children or adolescents must be allowed to use the unit
only under supervision.
Safety glasses are recommended while using the unit.
Engage safety lock on the trigger gun when not spraying.
Changeover nozzle
It is possible to work with a high pressure or a low pressure
jet.
Changing the jet form is only possible with the trigger gun
closed.
- Release trigger.
- Turn changeover nozzle 90° to alter pressure of the
water jet.
The symbol of the choosen jet form is on the upper side of
the changeover nozzle.
Note:
Detergents can only be syphoned at low pressure.
4. SPRAYING DETERGENT
- Use detergent in accordance with usage instructions.
- Suspend detergent suction hose with filter in the deter-
gent.
- Set changeover nozzle to “CHEM”.
- The detergent intake can be adjusted by turning the
detergent metering valve.
- Valve settings "3" and "4" should only be used when there
is very heavy soil.
Valve setting
1
2
3
4
Chemical intake (l/h)
10
18
25
34
Detergent in jet (%)
1.7
3.1
4.3
5.9
- Following completion of cleaning, suspend detergent
suction hose in a container filled with clean water and
flush through system until no detergent is discharged
from the nozzle.
