20- ENG
TROUBLE SHOOTING GUIDE
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
Engine will not
start (see Engine
Manual 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
Choke lever in the "No
Choke" position
Move choke to the "Choke"
po si tion
Spark plug wire not attached. Attach spark plug wire.
Engine switch in OFF
po si tion
Place engine switch
in ON position
Choke lever in the "Choke"
position on a "hot" engine
or an engine that has been
exposed to thermal heat
for a long period of time
Move choke to the "No Choke"
po si tion
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
No or low
pressure
(initial use)
Choke in the “Choke” position Move choke to the “No Choke”
po si tion
High pressure hose
is too long
Use high pressure hose under
100 feet (30m)