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English • Owner´s manual
8. TROUBLESHOOTING
PROBLEM
Engine does not start
Engine hard to start
Engine lacks power and
vibrates excessively
Engine quits during operation
Engine loses power when load
is added
Water pressure is weak
Detergent and spray do
not mix
Pump fails to produce pressu-
re or pressure is inconsistent
CAUSE
Out of fuel
Engine oil low
Spark plug wire disconnected from spark plug
Bad spark plug
Spark plug wire has shorted
Ignition inoperative
Stale fuel or water in fuel
Spark plug producing weak spark
Excessively rich fuel mixture
Dirty air filter
Out of fuel
Engine speed is too slow
Water supply is restricted.
Water not turned on to full power
Not using high pressure nozzle
Detergent hose is not submerged or has
disconnected
Black soap nozzle needed
Water supply is restricted
Water not turned on full power
Nozzle is clogged
Spray gun leaks
Air in line
Inlet hose screen is clogged
Water supply is over 100°F
Pump is faulty
SOLUTION
Fill fuel tank
Add engine oil
Connect spark plug wire
Replace spark plug
Contact service center
Contact service center
Drain fuel and refill with fresh gasoline
Contact service center
Contact service center
Clean air filter
Fill fuel tank
Move throttle to fast. If this does not correct
problem, contact service center
Inspect garden hose for kinks or leaks. Make
sure you are using a large enough garden hose
(min. ¾ inch diameter)
Open water source all the way
Change nozzle
Make sure hose is connected and
submerged in the detergent
Install soap nozzle
Inspect garden hose for kinks or leaks. Make
sure you are using a large enough garden hose
(Min. ¾ inch diameter)
Open water source all the way
Clean nozzle
Check spray gun connection or replace spray
gun
Squeeze trigger handle to remove air
Clean inlet
Use cool water supply
Contact service center
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