Graco Inc. 3009 Pressure Washer User Manual


 
INSTALLATION
OIL DIPSTICK
PUMP
LEVEL
Figure
1
Check
for
Shipping Damage
Check the unit for any damage that may have occurred
in shipping.
Notify
the carrier Immediately
If
there
Is
any damage.
Set
Up
matches the specification in Technical Data (inside
Before connecting the unit, be sure the electrical setvice
back cover) and the voltage label on the unit.
With
the
unit
off,
connect the power supply cord to
a
grounded,
GFCI-protected circuit.
If
you are using a downstream chemical injector, install it
between the pump unloader and
the
high pressure
hose.
Connect the high pressure hose between the pump
outlet and me gun inlet.
Up
to
100
fi
(30
m)
of high pressure hose may
beused. Longer hoses may affect sprayer
performance, and chemical injector performance,
Install the appropriate spray tip on the wand. See
Installing and Changing Spray Tips.
If
you are using a
sandblaster kit, see
its
separate manual for installation
instructions.
Connect
to
Water
Supply
CAUTION
Before attaching to the water supply, check your
to the water supply.
local plumbing code regardingcross-connection
A
backflow preventer
P/N
801-133
is
available to
prevent backflow
of
contaminated water
into
the
fresh water supply. Install
it
upstream from the
Pump.
Install a regulating water valve,
P/N
800-258,
if
inlet water pressure is over
60
psi
(4.1
bar).
Do not exceed
160'
F
(70'
C) inlet water
temperature.
NOTE:
The water source for the unit
must
have
a
water holding tank.
minimum
55
gallon float valve controlled
308-535
5