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ASSEMBLY 3700 PSI Pressure Washer PowerBOSS™
NOTE: Remove and discard all pump shipping caps before
attaching hoses.
2. Similarly, attach other end of high pressure hose to
high pressure outlet on pump (Figure 5). Pull down on
collar of quick connect, slide onto pump and let go of
collar. Pull on hose to be sure of tight connection.
3. Before connecting garden hose to water inlet, inspect
inlet screen (Figure 6).
Clean screen if it contains debris, replace if damaged.
DO NOT RUN PRESSURE WASHER IF SCREEN IS
DAMAGED.
4. Run water through garden hose for 30 seconds to
clean out any debris.Turn off water.
IMPORTANT: DO NOT siphon standing water for the
water supply. Use ONLY cold water (less than 100°F).
5. Connect garden hose (not to exceed 50 feet in length)
to water inlet.Tighten by hand (Figure 6).
6. Turn ON water, point gun in a safe direction and
squeeze trigger to purge pump system of air and
impurities.
Checklist Before Starting Engine
Review the unit’s assembly to confirm you have performed
all of the following:
1. Make sure handle is in place and secure.
2. Check that oil has been added to proper level in
engine crankcase.
3. Add proper fuel to fuel tank.
4. Check for properly attached hose connections.
5. Check to make sure there are no kinks, cuts, or
damage to high pressure hose.
6. Provide a proper water supply (not to exceed 100°F)
at an adequate flow.
7. Be sure to read “Safety Rules” and “How To Use
Pressure Washer” before using pressure washer.
CAUTION
• Damage to equipment resulting from failure to follow this
instruction will void warranty.
There MUST be at least ten feet of unrestricted garden
hose between the pressure washer inlet and any flow
shut off device, such as a ‘Y’ shut-off connector or other
convenience-type water shut-off valve.
Connect high
pressure hose here
Figure 5 — Connect High Pressure Hose to Pump
Inspect inlet
screen, DO NOT
use if damaged,
clean if dirty.
Figure 6 — Connect the Garden Hose to Water Inlet
• Always wear safety goggles when using this equipment or in
vicinity of where equipment is in use.
• Before starting the pressure washer, be sure you are wearing
adequate safety goggles.
High pressure spray can cause paint chips or
other particles to become airborne.
WARNING