Graco Inc. 824-001 Pressure Washer User Manual


 
6
824–001
Operation
4. T
rigger the gun until water sprays from the tip
indicating that the air is purged from the system.
5.
Open the fuel shutof
f valve. Be sure the spark plug
ignition cable is pushed firmly onto the spark plug.
Put the switch in the “on” position and put the
throttle in the “run” position.
Do not allow the pressure washer to idle for more
than 10 minutes. Doing so may cause the recir
-
culating 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 operate the pressure washer with
the inlet water screen removed. This screen helps
keep abrasive sediment out of the pump, which
could clog the pump or damage the cylinders.
Keep this screen clean. Do not pump caustic
materials; such materials may corrode the pump
components.
CAUTION
Do
not allow the starter rope to snap back against the
engine. Return it gently to prevent damage to the
recoil.
CAUTION
6. Start
the engine.
NOTE: For easier starting, have one person start the
pressure washer while another person triggers
the
spray gun.
If the engine is cold, completely close the engine
choke. Grasp the starter rope, brace one foot on
the pressure washer chassis and pull rope rapidly
and firmly
. Continue holding the rope as it returns.
Pull and return the rope until the engine starts. In
cool weather, the choke may have to be kept
closed for 10 to 30 seconds before opening it to
keep the engine running. Otherwise, open the
choke as soon as the engine starts.
If the engine is warm, leave the choke open, or
just partly close it. Start the engine as described in
the preceding paragraph. When it starts, be sure
to open the choke completely
.
7. 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
.
8.
Always observe the following
CAUTIONS
to avoid
costly damage to the pressure washer
.
9.
See the sandblaster kit manual for detailed clean
-
ing information if this accessory is used.