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4.0 Applications and working methods
4.1 Applications
Typical applications for this product are:
Agriculture Cleaning machinery, implements, stalls, and buildings
Transport Cleaning vehicles, engine rooms, and large parts
Construction Building renovation and maintenance, cleaning vehicles and equipment
Industry Degreasing and cleaning of machines, tooling and vehicles.
Service Contract cleaning of vehicles, public facilities, and many degreasing tasks.
4.2 Working pressure
The machine may be used with high or low pressure at your own option. Using the standard spray lance,
working pressure is adjusted by turning the reduction valve.
Low pressure Is first and foremost used for application of detergents and for rinsing.
High pressure Is used for agitation cleaning.
Intermediate pressure Typically used for the cleaning of surfaces, which cannot tolerate the powerful
water jet provided at the high pressure setting (e.g. soft surfaces, decals, etc.).
4.3 Detergents
The most efficient cleaning is obtained with detergents in combination with hot water and high pressure
cleaning. There are products available specially developed for high pressure cleaning, and some are de-
signed for hot water use, as well. A professional chemical supplier can assist you with your choices. De-
tergents or other chemicals with a pH above 9 or below 5 are generally considered “aggressive” and may
be harmful to your machine if not properly used.
Contact your ALTO distributor for assistance in choosing a suitable detergent for your requirements.
The method of application and the dilution of the individual products will be provided by the product labels
or the data sheet (MSDS). Metering is performed by the metering unit pressure washer.
4.4 Metering detergents
The pressure washer features a built-in injector enabling metering detergents when the machine is in the
low pressure mode. With this metering unit, it is possible to vary the dilution of detergents infinitely between
approximately 0-5%. Thus, most cleaning jobs will be covered (also see Section 3.1.6). To convert “ounces
per gallon” to percentage, divide the ounces required by 1.28.
To change from detergent application under low pressure, to cleaning under high pressure, simply turn the
regulating from “low pressure mode” to “high pressure mode” on the spray lance. You will not have to
attach or detach any parts or accessories.
For foam cleaning you will have to mount the special Foam Injector between the pressure washer and the
high pressure hose. Insert the pickup hose of the injector into the foam detergent. Snap the Foam Lance
accessory onto the spray handle and you are ready for foam application. After the application, dismount the
Foam Injector and replace the Foam Lance with the standard spray lance, and you are ready for high
pressure cleaning.