OPERATIONAL
ISSUE
Engine will
not start
(see Engine
Owner's
Manual for
further engine
troubleshooting)
No or low
pressure
(initial use)
TROUBLE SHOOTING GUIDE
POSSIBLE CAUSE
No fuel
Pressure builds up after
two pulls on the recoil
starter or after initial use
Choke lever in the
"OPEN" position
Spark plug wire not attached
Engine switch in OFF po si tion. Place engine switch
Choke lever in the "CLOSED"
position on a "hot" engine
or an engine that has been
exposed to thermal heat
for a long period of time
Spray wand has black nozzle
installed, change nozzle
Low water supply
Leak at high pressure
hose fitting
Nozzle obstructed
Water filter screen clogged
Air in hose or pump
Choke in the
"CLOSED" position
High pressure hose is too long Use high pressure hose under
SOLUTION
Add fresh fuel
Squeeze gun trigger to relieve
pres sure
Move choke to the "CLOSED"
po si tion
Attach spark plug wire
in ON position
Move choke to the
"OPEN" po si tion
See How to Use Spray
Wand instructions in the
Operation Section
Water supply must be at
least 5 gpm @ 20 PSI
Repair leak. Replace O-Ring
See Nozzle Cleaning
instructions in the
Maintenance section
Remove and clean filter.
See Cleaning Water Inlet
Filter paragraph in the
Maintenance section for
the correct procedure
Turn off the engine, then the
water source. Disconnect
the water source from the
pump inlet and turn the water
source on to remove all air
from the hose. When there
is a steady stream of water
present, turn water source
off. Re- con nect water source
to pump inlet and turn on
wa ter source. Squeeze trigger
to re move re main ing air
Move choke to the
"OPEN" po si tion
100 feet (30 m)
21 - ENG