20- ENG
TROUBLE SHOOTING GUIDE
OPERATIONAL
ISSUE
POSSIBLE CAUSE
SOLUTION
Engine will
not start (see
Engine Owners
Manual
l for
further engine
troubleshooting)
No fuel.
Add fresh fuel.
Pressure builds up after
two pulls on the recoil
starter or after initial use
Squeeze gun trigger to relieve
pres sure
Throttle control is in
the STOP position
Move the throttle control
to the FAST position
Spark plug wire not attached. Attach spark plug wire.
No or low
pressure
(initial use)
Spray wand not in
high pressure
See
how to Use Spray
Wand
instructions in the
Operation
Section
Low water supply
Water supply must be at
least 5 gpm @ 20 psi
Leak at high pressure
hose fitting
Repair leak. Apply sealant tape
if necessary
Nozzle obstructed
See
Nozzle Cleaning
instructions in the
Maintenance
section
Water filter screen clogged
Remove and clean filter.
Air in hose
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
Throttle control is in
the STOP position
Move the throttle control
to the FAST position
High pressure hose
is too long
Use high pressure hose under
100 feet (30 m)
