Dose adjustment
1
2
3
4
5
6
Recommended value at maximum working
pressure.
HDS 551 C Eco only
è Replace high pressure nozzle with supp-
lied low pressure nozzle or switch multi-
ple nozzle to position "Chem".
Figure 10
è Take out detergent suck hose.
è By turning the filter the detergent can be
dosed roughly.
Intendet application
Cleaning of: Machines, Vehicles, Structures,
Tools, Facades, Terraces, Gardening tools,
etc.
Danger
Risk of injury! Regard to according safety re-
gulations when operating at gas stations or
other dangerous areas.
Please do not let mineral oil contamina-
ted waste water reach soil, water or the
sewage system. Perform engine cleaning
and bottom cleaning therefore only on
specified places with an oil trap.
Working with the high pressure nozzle
The spray angle is essential for the effecti-
veness of the high pressure ray. Normally
work is performed with a 25° flat ray nozzle
(included).
28
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Concentration
0,25 %
1,00 %
1,25 %
1,50 %
1,75 %
2,00 %
Recommended nozzles are deliverable as
accessories
– For strong contaminations
0° full ray - nozzle
– For sensitive surfaces and light contami-
nations
40° flat ray - nozzle
– For thick layered, persistent contaminati-
ons
Dirt grinder
– Nozzle with adjustable spray angle, for
adaption to different cleaning tasks
Angle-Vario-Nozzle
Cleaning
è set pressure/temperature and detergent
concentration according to the surface to
be cleaned.
Note
To prevent damage due to too much pressu-
re, always position high pressure ray first
from a greater distance towards object to be
cleaned.
Recommended cleaning method
Loosen the dirt:
è Spray detergent economically and let it
work for 1...5 minutes but do not let it dry
up.
Remove the dirt:
è Spray off loosened dirt with the high-
pressure ray.
Operating with cold water
Removal of light contaminations and clear
rinse, i.e.: Gardening tools, terrace, tools,
etc.
è Set operating pressure according to
need.
è Set the appliance switch to "I".