Graco Inc. 1040 Pressure Washer User Manual


 
6
6ą308-534
STARTUP
Use this procedure whenever starting the pressure
washer
to help insure that the unit is ready to operate and
starting
is done safely
.
1.
Check the oil level.
Pump:
Add SAE 20 or 30 weight non–detergent oil as
necessary.
2. Turn
on the water supply
.
CAUTION
Never run the unit dry . Costly damage to the
pump will result. Always be sure the water
supply is completely turned on before
operating.
3. Trigger the gun until water sprays from the tip
indicating
that the air is purged from the system.
4.
Start the unit.
5.
ALWAYS
engage the gun’ s trigger safety latch
whenever you stop spraying, even for a moment to
reduce the risk of fluid injection or splashing in the
eyes
or on the skin if the
gun is bumped or triggered
accidentally.
6.
ALWAYS
observe the following
CAUTIONS
to avoid
costly
damage to the pressure washer
.
CAUTION
DO NOT
allow the pressure washer to idle for
more
than 10 minutes. Doing so may cause the
recirculating water to overheat and seriously
damage the pump. T urn of f the pressure
washer if it will not be spraying or cleaning at
least every 10 minutes. If heated inlet water is
used,
reduce this time further
.
DO NOT
run the pump dry , which will quickly
damage
the pump. Be sure the
water supply is
fully
turned on before starting the pump.
DO NOT
pump caustic materials; such
materials
may corrode the pump components.
7. See the chemical injector or sandblaster kit manual
for
detailed cleaning information if these
accessories
are
used.