MAINTENANCE
REMOVING THE WHEEL ASSEMBLY
See Figure 17.
To change the spark plug, you must remove the wheel.
To remove:
Remove the hitch pin from the axle.
Lift the machine and slide the axle/wheel combination out of the machine base as shown.
NOTE: Reinstall the wheel when maintenance is complete by reversing the above procedure.
CHECKING A FOULED SPARK PLUG
See Figure 18.
Remove the wheel assembly as explained above.
Remove the screws holding the panel in place then lift the panel away from the machine.
Clean carbon deposits off the spark plug electrode using a plug cleaner or wire brush.
Check electrode gap. The gap should be .6 mm 
(Recommended spark plug: NGK
NOZZLE MAINTENANCE
See Figure 19.
Excessive pump pressure (a pulsing sensation felt while squeezing the trigger) may be the result of a clogged or dirty nozzle.
�Turn off the pressure washer and shut off the water supply. Pull trigger to release water pressure.
�Remove the nozzle from the spray wand. NOTE: Never point the spray wand at your face.
�Using the nozzle cleaning tool provided, free any foreign materials clogging or restricting the nozzle.
�Using a garden hose, flush debris out of nozzle by back flushing (running the water through the nozzle backwards or from the outside to the inside).
�Reconnect the nozzle to the spray wand.
�Turn on the water supply and start the engine.
HITCH PIN
AXLE
Fig. 17
SPARK PLUG
0.6 - 0.7mm
Fig. 18
NOZZLE
NOZZLE
CLEANING TOOL
Fig. 19
17