Graco Inc. 226-813 Pressure Washer User Manual


 
SETTING
UP
UNIT
-A
NOTE:
Reference numbers and letters in paren-
and the Parts Drawing.
theses in the text refer to Figures 1, 3, 4
Refer to the engine instruction booklet provided with
the unit.
Prepare The Cleaning Solution
Prepare and use cleaning solution according to
manufacturer's instructions.
recommend using a chemical injector kit.
See
instruc-
For spraying .detergent or other cleaning solution, we
tion manual 307-325 for installation and operation.
Assemble the spray gun, extension tube
and
nozzle
Install Hose and Spray Gun
valve and connect the spray gun to the hose.
See
manual 307-309 for details.
If
a
longer spray hose is required, 1/2 in. ID (12 mm)
hose may be added at unit to
a
maximum overall hose
length of 150 ft. (45 m).
Connect To Water Supply
Before attaching to water supply, check local
CAUTION
water supply.
plumbing code regarding cross-connection to
to pump
in
a direct supply system.
Do not exceed 150'
F
(65"
Cl water temperature
Connect
a
hose with
at
leasta 3/4 in. (19 mm) ID from
your city water supply to the unit's 3/4 garden hose
threaded inlet. The supply hose should not
be
more
2
307-308
than 50 ft. (15 m) long. A
25
ft.
(7
m) garden hose (1071
is supplied with unit.
NOTE:
For a direct supply system, your water
source must have
a
flow rate of
ATLEAST
recommend using
a
siphon hose from
a
sup-
7.5
GPM
I28
LITER/MN).
If
it
is
less,
we
ply container.
Connect Siphon Hose
and screw siphon hose (104) into manifold. Squeeze
Remove swivel fitting (81) at water'filter manifold
183)
clamp (105) together and route siphon hose through
it.
Release clamp and hook
it
over edge of drum
so
the top
rests against the outside of drum.
See
Fig 1. The hose
lip of clamp rests on the inside of drum
and the lower lip
should be between 2-4 inches (50-100 mm) off bottom
of drum.
We
recommend installing
a
float valve
(A)
on drum to
maintain proper water level.
See
ACCESSORIES.
We
do not recommend installing a shut-off valve at the
intake as
it
could cause a pressure drop and cavitation
in
the pump. However, if you must have
a
shut-off valve,
be sure it's inlet and outlet are the same size as the
hose.
CAUTION
pump in
a
siphon supply system.
Do not exceed 70' F (28"
C)
water temperature to
If your operating conditions are different from above,
contact our Customer Service Department for
assistance.