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21- ENG
D27918
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.
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.
Wand not in high pressure.
Low water supply.
Water supply must be at least 5
GPM @ 20 PSI.
Water filter screen clogged.
Remove and clean filter.
Defective E-Z start valve.
Check with Authorized Warranty
Service Center (AWSC.)
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
Choke lever in the “Choke” position.
Move choke to the “No Choke”
position.
Throttle control lever is not in the
“Fast” position.
Move throttle control lever to the
“Fast” 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.
See How to Use Spray Wand
paragraph in the Operation
Section.
Leak at high pressure hose fitting.
Tighten fitting. Apply sealant tape
if necessary.
Nozzle obstructed.
See Spray Wand paragraph in the
Maintenance section for the
correct procedure.