Graco Inc. 824-007 Pressure Washer User Manual


 
8
824–001
Operation
Shutdown, Flushing and Storage
NOTE: An anti–freeze flush kit 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 may crack the
ceramic plungers!
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
unit with a 50% anti–freeze solution. Relieve
pressure. Flush the pressure washer before using
it again to remove the anti–freeze.
2.
Before long-term (overnight) storage or transport
-
ing of unit, disconnect the water supply
, and turn
of
f the fuel supply valve.
3.
After each use, wipe all surfaces of the pressure
washer with a clean, damp cloth.
4.
Perform the appropriate maintenance. See mainte
-
nance 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 engine, pump and
gear reducer (if used). After changing the oil in these
components following their respective break-in periods,
the interval between required changes is longer
.
If the unit is operating in dusty conditions, these main
-
tenance checks should be made more often.
T
o reduce the risk of serious bodily injury
, including
fluid injection, splashing in the eyes or on the skin
or injury from moving parts, always follow the
Pressure Relief Procedure
on page 5 before
proceeding.
WARNING
Interval What to do
Daily
Clean water inlet screen and filter
.
Check engine and pump oil levels.
Fill as necessary
. Check gasoline
level. Fill as necessary
.
After first 5
hours of opera
-
tion
Change engine break–in oil. Drain
oil when warm. Use SAE 30 or
10W–30 detergent oil.
Each 25 hours
of operation
Clean and remove air cleaner
foam. W
ash with water and deter
-
gent. Dry thoroughly
. Rub with oil
and squeeze to distribute oil.
After first 50
hours of opera
-
tion
Change pump break-in oil. Use
SAE 20 or 30 non-detergent oil.
Each 100
hours of opera
-
tion
or 3 months
Clean or replace paper air cleaner
cartridge. T
ap gently to remove
dirt. Change engine oil. Use SAE
30 or 10W–30 detergent oil.
Each 500
hours of opera
-
tion
or 6 months
Change pump oil. Use SAE 20 or
30 non-detergent oil.