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19- ENG
D28609
TROUBLE SHOOTING GUIDE
PROBLEM
Engine will not
start (see Engine
Manual for
further engine
troubleshooting)
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.
Engine ON/OFF switch in OFF
position
Place engine ON/OFF 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”
position.
Spray wand not in high pressure.
No or low
pressure
(initial use)
See How to Use Spray Wand
paragraph in the Operation
Section.
Low water supply.
Water supply must be at least 5
GPM @ 20 PSI.
Leak at high pressure hose fitting.
Tighten. Apply sealant tape
if necessary.
Nozzle obstructed.
See Nozzle Cleaning paragraph in
the Maintenance section for the
correct procedure.
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 re-
move remaining air
Choke lever in the “Choke” position.
Move choke to the “No Choke”
position.
High pressure hose is too long.
Use high pressure hose under
100 feet.
Choke lever in the “No Choke”
position.
Move choke to the “Choke”
position.