Simpson ALH3425 Instruction Manual page 13

NOTICE: DO NOT try to tum pressure regulator knob past the built-in stop or dam-
age to the pump will result.
NOTICE: DO NOT overtighten the pressure control knob. If overtightened the knob
COULD break and result in immediate loss of water pressure and costly repairs to
the unit.
NOTICE: DO NOT attempt to increase pump pressure. A higher pressure setting
than the factory set pressure may damage pump.
HOW TO USE SPRAY WAND
The nozzles for the spray wand are stored in the nozzle holder on the panel assembly.
Colors on the panel identify nozzle spray pattern. Refer to the following chart to
choose the correct nozzle for the job to be performed.
NOZZLE COLOR SPRAY PATTERN USES
0˚
Red
15˚
Yellow
25˚
Green
40˚
White
low pressure
Black
*NOTICE: The high pressure spray from your pressure washer is capable of
causing damage to surfaces such as wood, glass, automobile paint, auto striping
and trim, and delicate objects such as flowers and shrubs. Before spraying, check
the item to be cleaned to assure yourself that it is strong enough to resist damage
from the force of the spray.
CHANGING NOZZLES ON SPRAY WAND (FIG. 7)
DANGER: Risk of fluid injection. Do not direct discharge stream toward
persons, unprotected skin, eyes or any pets or animals. Serious injury will
occur.
powerful pinpoint for
spot cleaning of hard,
unpainted surfaces or
for high reach areas
intense cleaning
of unpainted
hard surfaces
standard clean-
ing nozzle for most
applications
cleaning of painted
or delicate surfaces
applies cleaning
solutions
13 - ENG
SURFACES*
unpainted metal
or concrete;
DO NOT use on wood
grills, driveways,
concrete or brick
walkways, unpainted
brick or stucco
yard tools, sidewalks,
lawn furniture,
unpainted siding,
stucco, gutters and
eaves, concrete,
brick surfaces
auto/RV, marine,
wood, painted brick
and stucco, vinyl,
painted siding
Low pressure
spray is safe on all
surfaces. Always
verify compatibility
of cleaning solution
prior to use.