DETERGENTS
The use of detergents can dramatically reduce
cleaning time and assist in the removal of difficult
stains. Some detergents have been customised
for pressure washer use. The use of thicker
detergents, such as washing-up liquid, will clog
the chemical injection system and prevent the
application of the detergent.
The cleaning power of detergents comes
from applying them to a surface and giving
the chemicals time to break down the dirt and
grime. Detergents work best when applied at low
pressure.
Follow this with a high pressure rinse for best
cleaning results. On vertical surfaces, apply the
detergent starting at the bottom and work your
way upward.
This will prevent the detergent from sliding down
and causing streaks. High pressure rinsing should
also progress from the bottom upwards. On
particularly tough stains it may be necessary to
use a brush in
combination with detergents and high pressure
rinsing.
Operation
The following cleaning procedure will help you
organize your cleaning task and ensure that you
achieve the most beneficial results in the shortest
amount of time. Remember to use the spraying/
cleaning techniques previously listed.
1. Preparation
It is important to prepare the surface that is to
be cleaned. This is done by clearing the area of
furniture and making sure that all windows and
doors are closed tight. In addition, you should
make sure that all plants and trees adjacent to the
cleaning area are protected by a drop cloth. This
will ensure that your plants won’t be sprayed by
the detergents.
2. Initial High Pressure Rinse
The next step is to spray the surface with water to
clear off any dirt or grime that may have collected
on it. This will allow your detergent to attack the
deep down dirt that has worked its way into the
cleaning
surface. Before squeezing the trigger, adjust the
nozzle to a wide fan pattern and slowly adjust to
the
desired spray pattern. This will help you avoid
applying too much concentrated spray to the
surface which could cause damage.
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