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BEFORE EACH USE
Check engine oil level.
Check water inlet screen for damage.
Check high pressure hose for leaks.
Check chemical tanks and filters for damage.
Check spray gun and nozzle extension assembly
for leaks.
Purge pump of air and contaminants.
PRESSURE WASHER MAINTENANCE
Check
and Clean
Inlet
Screen
Examine garden hose inlet screen. Clean if it is
clogged or replace if it is torn.
Check High
Pressure
Hose
High pressure hoses can develop leaks from wear,
kinking, or abuse. Inspect hose before each use.
Check for cuts, leaks, abrasions, bulging of cover, or
damage or movement of couplings. If any of these
conditions exist, replace hose immediately.
WARNING
Check Gun and Nozzle Extension
Examine hose connection to spray 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
net be able to press trigger. Replace spray gun
immediately if it fails any of these tests.
Check
In-Line
Filter
Refer to the illustration and service the in-line filter if it
becomes clogged, as follows:
Inqine Fi!ter
Extension
O+rjnc
1.
Detach spray
gun and nozzle
extension
from high
pressure
hose.
Detach nozzle extension
from
spray
gun and remove o-ring and screen
from
nozzle extension.
Flush screen,
spray
gun, and
nozzle extension
with clean water to clear debris.
2.
Place in-line filter screen into threaded
end of nozzle
extension.
Direction
does not matter. Push screen in
with eraser end of pencil until it rests flat at bottom
of opening.
Take care to net bend screen.
3. Place o-ring into recess. Push o-ring snugly against
in-line filter screen.
4. Assemble nozzle extension to spray gun, as
described earlier in manual.
Purge Pump of Air and Contaminants
To remove air from the pump, follow these steps:
1.
Set up cleaning system as described in the
"Assembling Your Cleaning System" and connect
water supply.
2.
Pull trigger on spray gun and hold until a steady
stream of water appears.
To remove contaminants from the pump, follow these
steps:
1.
Set up cleaning system as described in
"Assembling Your Cleaning System', and connect
water supply.
2.
Remove nozzle extension from spray gun.
3.
Start engine according to instructions in "How To
Use Your Cleaning System".
4.
Pull trigger on spray gun and hold.
5.
When water supply is steady and constant,
engage safety latch and refasten nozzle
extension.
Nozzle Maintenance
A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure.
The principal cause of excessive pump pressure is a
spray tip clogged or restricted with foreign materials,
such as dirt, etc. To correct the problem, immediately
clean the spray tip following these instructions:
1.
Shut off engine and turn off water supply.
2.
Remove spray tip from end of nozzle extension.
3.
Remove in-line filter from other end of nozzle
extension.
4.
Use a small paper clip to free any foreign material
clogging or restricting spray tip.
Use wire here
to remove
__
debris.
5.
Using a garden hose, remove additional debris by
back flushing water through nozzle extension.
Back flush between 30 to 60 seconds.
13
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