Graco Inc. 308-522 Pressure Washer User Manual


 
SHUTDOWN, FLUSHING
AND STORAGE
WARNING
Pressure Rellef Procedure
To reduce the risk of serious bodily injury,
eyes, or on the skin, always follow this
including fluid injection and splashing in the
procedure whenever you stop spraying for more
than
10
minutes, when shutting down, and
before checking or repairing any part of the
system.
1.
Engage the trigger safety latch.
2.
Tum the sprayer
off.
3.
Disconnect the electrical supply.
4.
Shut
off
the water supply.
5.
Disengage the trigger safety latch and
trigger the gun to relieve pressure, and then
engage the trigger safety latch again.
6.
Before long-term (overnight) storage,
disconnect
the
water supply and
disconnect the electricity.
1.
If
the pressure washer will be exposed
to
freezing
temperatures, drain all water out of the pump. If it
must be stored in freezing temperatures, flush the
pressure. Flush the pressure washer before using
it
unit with a
50%
anti-freeze solution. Relieve
again
to
remove the anti-freeze.
NOTE:
An anti-freeze flush kit
P/N
802-327
is
available
to
make flushing easier.
CAUTION
If water does freeze in the pressure washer,
thaw it
in
a warm room before trying to start it.
DO
NOT
pour hot water on or into the pump; it
2.
After each
use,
wipe all surfaces of the pressure
washer with a clean, damp cloth.
3.
Perform
the appropriate maintenance.
See
the
maintenance chart.
MAINTENANCE
Observing regular maintenance intervals helps ensure
that you get maximum performance and life from the
pressure washer.
There is a break-in period for the pump. Afler changing
the oil initially, the interval between required changes
Is
longer.
WARNING
-I
To reduce the risk
of
serious bodily injury,
includingfluid injection, splashing in the eyes or
on
the
skin or injury from moving parts, always
follow the
Pressure Relief Procedure
Warning
interval
What
to do
Daily Clean water inlet screen and
filter. Check pump oil level. Fill
as necessary.
After first
50
Change pump break-in oil.
Use
hours of SAE
20
or
30
non-detergent oil.
operation
Each
500
hours Change pump oil.
Use
SAE
20
or
of operation or
30
non-detergent oil.
6
months
I
E
308-522