Simpson ALH4240 Use And Care Manual page 27

ISSUE
Engine will not start.
Refer to the Engine
Owner's Manual for more
engine troubleshooting
information.
The pressure washer
creates low or no water
pressure.
Page 24
TROUBLE SHOOTING
POSSIBLE CAUSE
The fuel tank is empty.
Water pressure in the pump
is preventing the engine from
Engine choke is in the wrong
The spark plug lead is not
attached to the plug.
Engine switch is in the OFF
Engine fuel valve is turned OFF.
Engine oil is low. If the engine
is equipped with a Low Oil
Sensor, the engine will not start.
There is air trapped in the pump
Water source is insufficient.
The nozzle is clogged.
The water inlet screen is
The high-pressure hose is too
Engine choke is in the CHOKE
rotating.
position.
position.
and/or hoses.
clogged.
long.
position.
SOLUTION
Add fresh fuel.
Aim the spray gun in a
safe direction then pull the
trigger to release water
pressure in the pump.
Refer to the STARTING
ENGINE section of this
manual for the correct
choke position.
Connect spark plug lead.
Turn the engine switch to
the ON position.
Turn fuel valve ON.
Check engine oil level. Fill
per engine manual.
Refer to the PURGING
THE PUMP section of this
manual to remove air from
the pump and hoses.
Make sure the water source
can supply at least 5 GPM
at 20 PSI.
Clean nozzle per the
MAINTENANCE section of
this manual.
Clean the water inlet screen
per the MAINTENANCE
section of this manual.
The high-pressure hose
should be less than 100
feet in length.
Move engine choke to the
NO CHOKE position.