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18- ENG
MAINTENANCE
WARNING: Risk of burn hazard. When performing maintenance, you may
be exposed to hot surfaces, water pressure or moving parts that can cause
serious injury ordeath.
WARNING: Risk of fire hazard. Always disconnect, spark plug wire,
let the engine cool and release all water pressure before performing any
maintenance or repair. The engine contains flammable fuel. Do not smoke or
work near open flames while performingmaintenance.
To ensure efficient operation and longer life of your pressure washer, a routine
maintenance schedule should be prepared and followed. If the pressure washer is
used in unusual conditions, such as high-temperatures or dusty conditions, more
frequent maintenance checks will berequired.
ENGINE
Consult the Engine Owner's Manual for the manufacturer's recommendations
for any and all maintenance. NOTE: The engine drain plug is located at the rear of
theunit.
PUMP
The pump was filled with oil at the factory. The pump on this unit is maintenance
free and requires no oil. If there is a problem with the pump contact us at
www.simpsoncleaning.com
CONNECTIONS
Connections on pressure washer hoses, gun and spray wand should be cleaned
regularly and lubricated with light oil or lithium grease to prevent leakage and
damage to the o-rings.
NOZZLE CLEANING (FIG. 15)
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 watersupply.
2. Pull trigger on gun handle to relieve any waterpressure.
3. Disconnect the spray wand from thegun.
4. Remove the high pressure nozzle (K) from the spray wand.
15
K
K
N
Remove any obstructions with the nozzle cleaning tool
provided and backflush with cleanwater.
5. Direct water supply (N) into nozzle to backflush loosened
particles for 30seconds.
6. Reassemble the nozzle to the wand.
7. Reconnect spray wand to gun and turn on watersupply.
8. Start pressure washer and place spray wand into high pressure setting totest.
CLEAN THE WATER INLET FILTER (FIG. 11)
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.
2. Clean filter by flushing it with water on bothsides.
3. Re-insert filter into water inlet of pump. NOTE: Convex side facesout.
NOTE: Do not operate the pressure washer without filter properly installed.
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