Generac Power Systems 1540-0 Owner's Manual page 10

5. Make sure garden hose is connected to water inlet.
Check that high pressure hose is connected to spray
gun and pump and 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 between 3–5 minutes
before washing and rinsing. Reapply as needed 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 into a bucket of
clean water, then run the pressure washer in low pressure
for 1-2 minutes.
Pressure Washer Rinsing
After you have applied detergent, scour the surface
and rinse it clean as follows:
1. Apply safety latch to spray gun.
2. Remove black chemical spray tip from nozzle
extension.
3. Select and install desired high pressure spray tip
following the instructions "How to Use Spray Tips".
WARNING
High pressure spray could cause you to fall if
you are too close to the cleaning surface.
• Keep spray nozzle between 8 to 24 inches away from cleaning
surface.
• Operate this unit on a stable surface.
• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding or any other relatively unstable location.
• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury if gun kicks back.
Generac Portable Products 3500 PSI Pressure Washer
4.
5.
6.
Automatic Cool Down System
If you run the engine on your pressure washer for
3-5 minutes without pressing the trigger on the spray gun,
circulating water in the pump can reach temperatures
above 125°F. The system engages to cool the pump by
discharging the warm water onto the ground.
10
Increase (decrease) spray pressure by turning pressure
control knob clockwise (counterclockwise) (Figure 7).
Use lower pressure to wash items such as a car or
boat. Use higher pressure to strip paint and degrease
driveways.
Figure 7 — Pressure Control Knob.
Apply a high pressure spray to a small area and check
surface for damage. If no damage is found, assume it is
okay to continue rinsing.
Start at the top of the area to be rinsed, working
down with same overlapping strokes as you used for
cleaning.
(Thermal Relief)
Pressure
Control
Knob