OPERATING INSTRUCTIONS
NOTE: Engines controls shown may appear different.
Step 1 Check oil level. Oil level should be level with the bottom of the oil filler neck. Be sure the machine is level when checking the oil level. (Refer to the engine’s operating manual for seasonal grades.)
We recommend that the oil be changed after the first 5 hours of use, then once every 50 hours.
Note: Improper oil levels will cause low oil sensor to shut off engine.
Step 2
Fill gas tank with unleaded gasoline.
Do not use leaded gasoline.
Step 3
Connect garden hose to the cold water source and turn water on completely.
Never use hot water.
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Step 4 Trigger the gun to eliminate trapped air, wait for a steady flow of water to emerge from the spray nozzle.
Step 7 Turn the engine switch to the “ON” position.
NOTE: HD 3500 DB has a has a toggle switch. Press to “ON” position.
Step 5 Slide the choke lever to the left to the closed position (on a warm engine, leave the choke lever in the open position).
Step 8 Pull the starter handle. If the engine fails to start after 3 pulls, squeeze the trigger gun to release pressure, and repeat step.
After the engine is warm and running smoothly, slide the choke lever to the right (open) and throttle to the left (fast).
Step 6 Slide or turn the fuel valve to the on position. Slide the throttle lever toward the fast position.
NOTE: HD 2700 DB has a ON/OFF knob. Turn fuel knob to “ON” position.
Step 9 Adjust pressure control to desired setting.
