Clean and Replace Spark Plug

Change the spark plug every 100 hours of operation or once each year, whichever comes first. This will help your engine to start easier and run better.

.030” (0.76 MM)

Wire Gauge

Resistor

PUMP

This screen filter should be checked periodically and cleaned if necessary.

1.Remove filter by grasping end and removing it from water inlet of pump as shown.

2.Clean filter by flushing it with water on both sides.

3.Re-insert filter into water inlet of pump. NOTE: Cone side faces out.

NOTE: Do not operate pressure washer without filter properly installed.

Filter Screen

NOZZLE CLEANING

If the nozzle becomes clogged with foreign materials, such as dirt, excessive pressure may develop. If the nozzle becomes partially clogged or restricted, the pump pressure will pulsate. Clean the nozzle immediately using the nozzle kit supplied and the following instructions:

1.Shut off the pressure washer and turn off the water supply.

2.Disconnect spark plug wire.

3.Pull trigger on gun handle to relieve any water pressure.

4.Disconnect the wand from the gun.

5.Remove the nozzle from the end of the wand with the 2mm allen wrench provided as shown.

6.Clean the nozzle using the nozzle cleaner provided or a straightened paper clip. Insert into the nozzle end and work back and forth until obstruction is removed.

7.Direct water supply into nozzle end to backflush loosened particles for 30 seconds.

8.Reconnect spark plug wire.

9.Reassemble the nozzle to the wand. Tighten securely to prevent leaks.

10.Reconnect wand to gun and turn on water supply.

11.Start pressure washer and place wand into high pressure setting to test.

D30333

18- ENG

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Craftsman D30333, 919.672190 owner manual Pump, Nozzle Cleaning, Clean and Replace Spark Plug