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Yard force YF3100ES-R Operator's Manual page 17

Gas pressure washer

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Check and Clean Inlet Screen
Examine garden hose inlet screen. Clean if it is clogged or
replace if it is torn. Please call help line 1-866-902-9690 for
new purchase.
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. Or call at 1-866-902-9690 for help or new
purchase.
WARNING The high pressure stream of water that this
pressure washer produces could cut through skin
and its underlying tissues, resulting in serious
injury and possible amputation.
• Never repair a high pressure hose. Replace it.
• Replace with hose MUST equal or exceed the maximum
pressure rating of your pressure washer.
Check Detergent Siphoning Tube
Examine the detergent tube (equipped at the bottom of
detergent tank) and clean if clogged. One end of the tube
pump. Examine the tube for leaks or tears.
Replace detergent tank or tube if either is damaged. Or call
at 1-866-902-9690 for help or new purchase.
Check Spray Gun, Spray Wand and Nozzles
Examine hose connection to spray gun connected with
spray wand and make sure it is secure. Test trigger by
pressing it and make sure it springs back into place when
you release it. Engage trigger lock in UP position and test
trigger. You should not be able to squeeze the trigger.
Replace spray gun immediately if it fails any of these tests.
Purge Pump of Air and Contaminants
To remove air from the pump, follow these steps:
• Set up the pressure washer as described in the
"Assembly" section and connect the water supply.
• Squeeze the trigger on the gun and hold until a steady
stream of water appears.
To remove contaminants from the pump, follow these
steps:
• Set up the pressure washer as described in the
"Assembly" section and connect water supply.
• Remove the nozzle from the spray wand .
• Start the engine according to instructions in "How To Use
Your Pressure Washer" section.
• Squeeze the trigger on the gun and hold.
• When the water supply is steady and constant, engage
the trigger lock and install the nozzle.
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 nozzle
clogged or restricted with foreign materials, such as dirt,
etc. To correct the problem, immediately clean the nozzle by
needle provided with your pressure washer and follow these
instructions:
2. ALWAYS point spray gun at a safety direction, release
trigger lock and squeeze spray gun trigger to release
retained high water pressure.
3. Remove the nozzle from the end of the spray wand.
4. Use the needle to free any foreign material clogging or
restricting the nozzle.
5. Using a garden hose, remove additional debris by back
flushing water through the nozzle. Back flush between
30 to 60 seconds.
6. Reinstall the nozzle to the wand with spray gun.
7. Make sure garden hose is connected to water inlet.
Check that high pressure hose is connected to spray
gun and pump. Turn on water.
8. Start engine following instructions "How to Start Your
Pressure Washer".
9. Test pressure washer by operating with each quick-
connect nozzle.
O-Ring Maintenance
Through the normal operation of your pressure washer,
o-rings keep the connections of the hoses and spray gun
tight and leak-free. They may become worn or damaged
with use.
You can purchase the replacement o-rings at the pressure
washer help line 1-866-902-9690.
17

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