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Pressure Washer
11
O–Ring Maintenance
O-Rings keep the connections of the hoses and spray gun
tight and leak–free.Through normal operation of the
pressure washer, they may become worn or damaged.
An O–Ring Maintenance Kit is provided with your pressure
washer which includes replacement o-rings, rubber washer
and water inlet filter. Refer to the instruction sheet
provided in the kit to service your units o-rings. Note that
not all of the parts in the kit will be used on your unit.
To remove a worn or damaged o–ring; use a small flathead
screwdriver to get underneath the o-ring and pry it off.
Cleaning Chemical Injection Hose
If you used the chemical injection hose, you must flush it
with clean water before stopping the engine.
1. Place chemical injection hose in a bucket full of clean
water.
2. Slide adjustable nozzle forward to low pressure
position. Flush for 1-2 minutes.
3. Shut off engine.
IMPORTANT: Simply shutting OFF engine will not
release pressure in the system. When the engine has
shut down, squeeze the trigger on the spray gun to
relieve the pressure in the hose.
Pump Maintenance
Changing Pump Oil
Change oil every 50 hours or once yearly, whichever
occurs first.
NOTE: For model 1802, purchase a premeasured bottle of
pump oil, item number 190586GS, and for model 01804,
purchase a premeasured bottle of pump oil, item number
190585GS,by contacting the nearest authorized service center.
Change pump oil as follows:
1. Drain engine oil and fuel from pressure washer.
2. Use a 8mm allen wrench to remove black pump oil cap
between high pressure outlet and garden hose inlet
(Figure 15).
3. Tilt pressure washer to drain oil into an approved
container until it drips slowly from the pump.
4. Tilt pressure washer in opposite direction and empty
premeasured pump oil bottle into same opening (a
small funnel may be helpful).
5. Install black pump oil cap and tighten firmly.
6. Set pressure washer in upright position.Add fuel and
engine oil.
ENGINE MAINTENANCE
See the engine owner’s manual for instructions on how to
properly maintain the engine.
CAUTION! Avoid prolonged or repeated skin
contact with used motor oil. Used motor oil has
been shown to cause skin cancer in certain
laboratory animals.Thoroughly wash exposed areas
with soap and water.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
Oil Cap
Figure 15 - Changing Pump Oil