Use and Care Manual

Rev: Feb2011
12 of 18
®
STANLEY Electric Pressure Washers
WORKING WITH DETERGENTS
Working with detergent ensures a quick soaking of the dirt, and allows
the high-pressure water to penetrate and remove the dirt more
effectively. Always spray detergent on a dry surface. Do not pre-soak
area with plain water. Wetting the surface first dilutes the detergent
and reduces its cleaning ability.
To siphon and apply detergent, you must operate the pressure washer
on low pressure—slide the wand away from you as shown in Step 1.
This provides a gentle application of detergent, with the pressure
equivalent to a low-set garden hose. The high-pressure setting is used
for cleaning; you cannot apply detergents when working at high-
pressure. Always test detergent in an inconspicuous area before use.
Step 1
P1450S, P1600S: Insert yellow detergent attachment as shown in
Figure below.
P1750S, P1800S
: Install the adjustable wand into spray gun and pull
towards the gun.
Step 3
 Gently remove detergent container and fill with detergent.
 Re-attach containers back into position.
Step 2
P1750S and P1800S ONLY: Set the adjustable nozzle to the low
-pressure setting. The nozzle must be set in the low-pressure
position to apply detergent. Apply high pressure spray to small
area and then check surface for damage. If no damage is found,
you can assume it is okay to continue cleaning. Start at top of
area to be rinsed, working down with same overlapping strokes
as used for cleaning.
Damage may occur to painted surface if chemical is
allowed to dry on surface. Wash and rinse a small section
at a time. Avoid working on hot surfaces or in direct
sunlight
Failure to clean properly will cause the injection system to
become clogged and inoperable.
Never use:
 Bleach, chlorine products and other corrosive
chemicals
 Liquids containing solvents (i.e., paint thinners,
gasoline, oils)
 Tri-sodium phosphate products
 Ammonia products
 Acid-based products
These chemicals will harm the unit and will damage the
surface being cleaned..
Step 4
Turn on the pressure washer. Pull trigger to operate unit. The liquid
detergent will automatically mix with water and be discharged through
nozzle. Apply detergent to a DRY work surface, from bottom to top.
Step 5
Allow detergent to remain on the surface for a short time before rinsing.
Do not allow detergent to dry on surface.
Step 6
Rinse with clean water under high-pressure. On a vertical surface, rinse
from the bottom up, then rinse from the top down to avoid streaking.
Hold nozzle 6-8 inch from the work surface at a° 45 angle.
Step 7 (End of detergent application)
When you have finished using the detergent injection system, remove
detergent suction tube from bottle and insert into 1 gallon (5L) of fresh
water. Siphon water at low-pressure for one to two minute so that all
detergent is flushed through system. Remove detergent bottle and rinse
it until it is thoroughly cleaned.
CAUTION
OPERATION
To siphon detergent, adjust the nozzle to the low pressure setting by
sliding the wand away from you.
Diagram for P1750S and P1800S ONLY: