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42- ENG
TROUBLE SHOOTING GUIDE
OPERATIONAL
ISSUE
POSSIBLE CAUSE SOLUTION
Engine will not
start (see Engine
Manual for
further engine
troubleshooting)
No fuel. Add 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
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).