Generac Portable Products 1900 PSIPressureWasher
Applying Detergent with the
Adjustable Nozzle
IMPORTANT: Use soaps designed specifically for
pressure washers. Household detergents could damage
the pump.
CAUTION
• Starting the engine without all the hoses connected and
without the water turned ON will damagethe pump.
• Damage to equipment resulting from failure to follow this
instructionwill void warranty.
To apply detergent, follow these steps:
I. Reviewuse of adjustable nozzles.
2.
3.
Prepare detergent solution as required by job.
Placefilter end of chemical injectionhose into
detergent container.
CAUTION
• When insertingthe filter into a detergent solution bottle,
route the tube so as to keep it from inadvertentlycontacting
the hot mufflec
4. Slide adjustable nozzle forward to low pressure mode.
Detergent cannot be applied with nozzle in high
pressure position.
5. Make sure garden hose isconnected to water inlet.
Check that high pressure hose is connected to spray
gun and pump. Start engine.
6. Apply detergent to a dry surface,starting at lower
portion of area to be washed and work upward,using
long,even,overlapping strokes.
7. Allow detergent to "soak in"for 3-5 minutes before
washing and rinsing. Reapplyasneeded to prevent
surface from drying. DO NOT allow detergent to dry
on (prevents streaking).
IMPORTANT: You must flush the chemical injection
system after each use by placing the filter intoa bucket of
clean water,then run the pressure washer in low pressure
for I-2 minutes.
Pressure Washer Rinsing
For Rinsing:
I. Slide the nozzle backward to high pressure, pressthe
trigger and wait for the detergentto clear.
NOTE:You can also stop detergent from flowing by simply
removing chemical injection hose from bottle.
2. Keep the spraygun a safe distancefrom the area you
plan to spray.
3. Apply a high pressure spray to a small area,then check
the surface for damage.If no damageisfound, it isokay
to continue cleaning.
WARNING
Keep spray nozzle between 8 to 24 inchesawayfrom cleaning
surface,
Operate this unit on a stable surface.
Be extremely careful if you must usethe pressure washer from
a ladder,scaffolding or anyother relatively unstable location.
Firmlygrasp spraygun with both handswhen using high
pressure sprayto avoid iniuryif gun kicks back.
4. Start at the top of the areato be rinsed,working
down with same overlapping strokes as you usedfor
washingand applyingdetergent
Automatic Cool Down System
(Thermal Relief)
If you run the engine on your pressure washer for
3-5 minutes without pressingthe trigger on the spray gun,
circulating water in the pump can reach temperatures
above 125°EThe systemengagesto cool the pump by
discharging the warm water onto the ground.
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