Homelite HP3127S - Manual (Page 17)

Page 17
CHANGING THE OIL
See Figure 20.

Shut off the engine.
 �Place a container under the pressure washer.
 Remove th e oil drain plug and drain the old oil.
NOTE: Drain the oil while the engine is still warm but not
hot. Warm oil will drain quickly and more completely.
 Replace the oil drain plug.
 Replace the oil with new, clean oil. This engine will hold
20 oz. or .6 liters of oil (10W-30).
NOTE: Consult hazardous waste management guidelines in
your area for the proper way to dispose of used fuel.
CHECKING A FOULED SPARK PLUG
See Figure 21.

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.)
CLEANING FUEL CUP
See Figure 22.

�Inspect fuel cup for water and dirt.
 �If dirt or water is present, CLOSE THE FUEL VALVE and
remove the fuel cup. Using a wrench, grasp the square
on the bottom of the fuel cup and turn clockwise.
 �After removing dirt and water, wash the fuel cup with
kerosene or gasoline. Reinstall securely to prevent leak-
age.
NOZZLE MAINTENANCE
See Figure 23.
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).
 �Reinstall the nozzle then reconnect the nozzle to the spray
wand.
 �Turn on the water supply and start the engine.
Fig. 21
Fig. 22
Fig. 23
0.6 - 0.7mm
FUEL CUP
TO TIGHTEN
TO LOOSEN
NOZZLE
CLEANING TOOL
NOZZLE
REPLACING THE FUEL HOSE
Replace the fuel hose every 1,000 hours of use. If fuel leaks
from fuel hose, replace the hose immediately.
PUMP MAINTENANCE
We recommend having the pump oil changed every 100 hours
to ensure longer life of the machine. This service should be
performed by an authorized service center.
MAINTENANCE