OPERATING INSTRUCTIONS

CAUTION

Do not run the engine with a high or low oil level as this can cause engine dam- age.

If you have further questions regarding the engine, please refer to the engine manual included with the unit.

"STEP 1:

Check engine 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 sea- sonal grades.).

We recommend that the oil be changed after the first 5 hours of use, then once every 50 hours.

"STEP 2:

Fill gas tank with unleaded gasoline.

Do not use leaded gasoline.

"STEP 3:

Connect the high pressure hose to the unit’s high pressure outlet.

"STEP 4:

Connect garden hose to unit’s water inlet.

"STEP 5:

Connect garden hose to the cold wa- ter source and turn water on com- pletely.

Do not use hot water.

"STEP 6:

Unlock the trigger gun safety lock. Trigger the gun to eliminate trapped air, wait for a steady flow of water to emerge from the spray nozzle.

"STEP 7: Initial Start: Open fuel valve.

Set choke lever to the CLOSED po- sition.

Starting a Warm engine:

If the engine has run out of fuel, set choke lever to the CLOSED position after refueling. If the engine has not run out of fuel, leave the choke lever in the OPEN position.

"STEP 8:

Move the engine stop switch to the ON position.

For engine details see engine manual.

"STEP 9:

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 warms up enough to run smoothly, move choke rod to OFF position.

"STEP 10:

Adjust working pressure and water volume by turning (continuously vari- able) the pressure- and water vol- ume regulation.

English 7

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Karcher G 4000 SH manual Operating Instructions, Initial Start Open fuel valve, Starting a Warm engine