TROUBLE SHOOTING GUIDE
OPERATIONAL
ISSUE
POSSIBLE CAUSE
SOLUTION
Engine will
not start
(see
Engine
Owner's
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.
See
Cleaning Water Inlet
filter
paragraph in the
Maintenance
section for
the correct procedure
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 (30 m)
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22
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Diamond Products
Operator's Manual
