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17
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 - .7 mm.
Adjust the gap, if necessary, by carefully bending the side
electrode.
(Recommended spark plug: NGK BR-6HS; CHAMPION
RL86C.)
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.
Fig. 18
SPARK PLUG
0.6 - 0.7mm
Fig. 17
HITCH
PIN
AXLE
Fig. 19
NOZZLE
CLEANING TOOL
NOZZLE