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Applications and working methods US
General rules for addition of detergents
ALTO cleaning equipment can be used for all detergents and disinfectants, which are suitable for high
pressure cleaning according to the supplier. (The pH-value should be between 4 and 14). Acid and lye
should not be applied in a concentrated form.
Carefully observe the instructions and guidance of the supplier, as well as the rules concerning safety
clothing and drainage facilities.
Detergents, which are not specifically prescribed for use with high pressure cleaning equipment should
only be used if you are safe for the machine and the environment. Contact your ALTO distributor for
assistance if in doubt.
The use of ALTO detergents ensures that machines, accessories and detergents match, which will result
in the optimal solution of a cleaning task.
ALTO can offer you a wide range of efficient agents for cleaning. The products are formulated of sub-
stances which combine efficiency and environmental considerations at one and the same time.
5.4 Working methods
Your high pressure washer has been developed for cleaning according to the so-called »2-step method«.
However, your high pressure washer must be equipped with an external detergent injector (see accesso-
ries catalogue).
STEP 1 Application of detergent
STEP 2 High pressure cleaning/agitation
In practice the working process is determined by the actual task, but as a starting point, the following
method can be described for a job:
1. Apply detergent under low pressure to prevent aerosol and waste. (See Tip no.1, below) The concen-
tration is chosen according to the job and the metering is done by the injector setting.
2. Allow contact time. Let the detergent act on the dirt/surface for a short time prior to pressure cleaning -
usually a few minutes. DON’T let the detergent dry on the surface.
3. High pressure cleaning. Agitate all surfaces under high pressure.
4. Rinse afterwards, if necessary, to make sure that residual impurities and chemical are removed from
the surface.
Optimum cleaning results will be achieved by following these 3 „Tips“:
Tip no. 1
When using a detergent, always apply it on a dry surface if possible. (If the surface is rinsed with water at
first, it may be difficult for it to absorb the detergent, and the result is a reduced effect of the detergent).
Tip no. 2
When applying a detergent on large vertical surfaces (i.e. the sides of a truck) apply from the bottom-up.
This will help prevent the detergent from running off the surface through grooves and dark streaks appear-
ing on the surface while cleaning.
Tip no. 3
While high pressure cleaning, work so that the high pressure water does not run over dirty surfaces which
have not yet been cleaned. This will aid the detergent eventually applied on that surface.