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15- ENG
A07708
TROUBLE SHOOTING GUIDE
PROBLEM
Engine will
not start (see
Engine Manual
for further
engine
troubleshooting)
No or low
pressure
(initial use)
CAUSE
CORRECTION
No fuel.
Add Fuel.
Pressure builds up after two pulls
on the recoil starter or after initial
use.
Squeeze gun trigger to relieve
pressure.
Spark plug wire not attached. Attach spark plug wire.
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-connect water
source to pump inlet and turn on
water source. Squeeze trigger to
remove remaining air
High pressure hose is too long.
Use high pressure hose under
100 feet.
Low oil
Add required amount of oil.
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”
position.
Choke lever in the “Choke” position. Move choke to the “No Choke”
position.
Choke lever in the “No Choke”
position.
Move choke to the “Choke”
position.
Throttle control lever is not in the
“Fast” position.
Move throttle control lever to the
“Fast” position.
Engine ON/OFF switch in OFF
position.
Place engine ON/OFF switch in
ON position.
Fuel valve closed
Move the fuel valve lever to the
“Open” position.
Defective E-Z start valve.
Check with Authorized Warranty
Service Center (AWSC.)