Graco Inc. 802-777 Pressure Washer User Manual


 
~~~~U~~
Pwssure Relief Procedure
To reduce the risk of serious bodily injury,
including fluid injection and splashing in the
eyes, or on the skin, ALWAYS follow
this
when checking or servicing any
part of the
procedure whenever you shut
off
the pump,
system, when installing or changing spray tips,
and whenever you stop spraying for more than
10
minutes.
2.
Turn the pressure washer
off.
1. Engage the gumtrigger safety latch.
3.
Remove the power cord from the outlet,
4.
Shut
off
water supply.
5.
Disengage the trigger safety latch and trigger
the gun to relieve pressure, and engage latch
again.
1. After using the chemical injector system,
it
antifreeze solution if unit will be exposed to
should be flushed out with water or
a
50%
freezing temperatures. This is best done by
of water or
a
50% antifreeze solution. Operate
replacing the chemical container@)
with
a
bucket
water or antifreeze solution into both chemical
pressure washer as described
in
start-up. Draw
lines until it passes through the injector.
By
flushing the chemical injector system,
you
will
help avoid unnecessary wear and prolong the life
of components.
2.
If
the pressure washerwill beexposedtofreezing
temperatures, drain
all
water out of the pump. If
temperatures, flush
it
with a
50%
antifreeze
you must store the pressure washer in freezing
the inlet hose into
a
bucket of
50%
antifreeze
solution. This can be done by placing the end of
gun for
10
seconds, release the trigger for
10
solution. Start the pressure washer. Trigger the
seconds. Trigger and release about
10
times
or
spray tip.
untilthe5046antifreezesolutioncomesoutofthe
CAUTION
thaw it in
a
warm room before trying to start it.
Do not pour hot water
on
the pump;
it
may crack
3.
After each use, wipe all surfaces
of
the pressure
washer with a clean, damp cloth.
4.
Perform the appropriate maintenance. See the
chart ompage 7.
MAINTENANCE
Observing regular maintenance intervals helps
INTERVAL
ensure that you get maximum performance and life
from your pressure washer.
WHAT
TO
DO
Daily
Clean water inlet screen.
Check pump oil level.
There
is
a break-in period for the pump. After
Fill as necessary.
changing the oil after the pump's break-in period, the
50
hours of
interval between required changes
is
longer,
After first
Change pump break-in
oil.
Use SAE 20W or
30W
If you are operating in dusty conditions, these
operation.
non-detergent oil*.
maintenance checks should be made more often.
of operation or
Each 500 hours
Change pump oil.
3
months.
Use SAE 20W or
30W
non-detergent oil*.
OIL
CAPACITY TYPE
Pump
15.2
Oz.
SAE 20W or
30W
1.45 liters) Non-Detergent*
*SAE 30-weight non-detergent oil is preferred.
..
..
802-777
7