Checks Before Each Use; Pressure Washer Maintenance; Purge Pump And Air And Contaminants; Nozzle Maintenance - Craftsman 580.768110 Operator's Manual

BEFORE EAcH USE
Check water inlet screen for damage.
• Check high pressure hose for leaks.
• Check detergent inlet hose and filter for damage.
• Check gun and wand assembly for leaks.
Purge pump of air and contaminants.
• Check engine oil level.
PRESSURE WASHER MAINTENANCE
Check and Clean Inlet Screen
Examine inlet screen. Clean if it is clogged or replace
if it is torn.
Check High Pressure Hose
High pressure hose can develop leaks from wear,
kinking, or abuse. Inspect hose each time before using
it. Check for cuts, leaks, abrasions, bulging of cover,
or damage or movement of couplings. If any of these
conditions exist, replace hose immediately.
A ANGER: Never repair a high pressure hose.
Replace with hose that meets the minimum
pressure rating of your pressure washer
Check Detergent Hose
Examine the filter on the detergent hose and clean if
clogged. Hose should fit tightly on barbed fitting.
Examine hose for leaks or tears. Replace the filter or
hose if either is damaged.
Check In-Une Rlter
Refer to the following illustration and service the in-line
filter if it becomes clogged, as follows:
Filter Screen
O-ring
1. Detach gun end lance from high pressure hose.
Detach lance from gun and remove o-ring and
screen from lance. Flush the screen, gun, end
lance with clean water to clear debris.
2. If the screen is damaged, the o-ring kit contains a
replacement in-line filter screen and an o-ring. If
undamaged, reuse screen.
3. Place the in-line filter screen into the threaded end
of the lance. Direction does not matter. Push the
screen in with the eraser end of a pencil until it
rests flat at the bottom of the opening. Take care to
not bend the screen.
4. Place the o-ring into the recess. Push the o-ring
snugly against the in-line filter screen.
5. Assemble the lance to the spray gun, as described
earlier in this manual.
Check Gun and Wand
Examine hose connection to gun and make sure it is
secure. Test trigger by pressing it and making sure it
springs back into place when you release it. Put safety
latch in UP position and test trigger. You should not be
able to press trigger. Replace gun immediately if it
fails any of these tests.
Purge Pump of Air and Contaminants
To remove the air from the pump, follow these steps:
• Set up the pressure washer as described in the
ASSEMBLY section on page 4 and connect the
water supply.
Remove the wand extension from the gun.
• Pull the trigger on the gun and hold until a steady
stream of water appears.
To remove the contaminants from the pump, follow
these steps:
• Set up the pressure washer as described in the
ASSEMBLY section, and connect the water supply.
• Remove the nozzle attachment from the gun.
• Start the engine according to instructionsin
OPERATION section.
Pull the trigger on the gun and hold.
• When the water supply is steady and constant,
engage the safety latch and refasten the nozzle
attachment.
Nozzle Maintenance
If the nozzle becomes restricted or clogged with
foreign materials, such as dirt, excessive pump
pressure may develop. A partially clogged nozzle can
cause a pulsing sensation during use. This generally
is not a pump related problem, but rather a clogged or
partially restricted nozzle.
If the nozzle becomes clogged or partially restricted,
immediately clean.the nozzle with the kit included with
your pressure washer by following these instructions:
• Shut off the engine and turn off the water supply.
• " Separate the wand from the gun.
• , Rotate to stream setting.
• Remove nozzle from the end of the wand using the
allen wrench included with the kit or a 2ram or 5/64
allen wrench.
• Use the wire included in the kit or a small paper
clip to free the foreign materials clogging or
restrictingthe nozzle.
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