Graco Inc. Hydra-Clean 1040 - Manual (Page 8)

8
8ą308-534
SHUTDOWN, FLUSHING AND STORAGE
WARNING
PRESSURE 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
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. Turn 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
unit with a 50% anti–freeze solution. Relieve
pressure. Flush the pressure washer before using it
again to remove the anti–freeze.
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!
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. After changing
the oil initially, the interval between required changes is
longer.
WARNING
To 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
Warning before proceeding.
Interval
Daily
After first 50
hours of
operation
Each 500 hours
of operation or 6
months
What to do
Clean water inlet screen and
filter. Check pump oil level. Fill
as necessary.
Change pump break–in oil. Use
SAE 20 or 30 non–detergent oil.
Change pump oil. Use SAE 20
or 30 non–detergent oil.