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19 - ENG
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
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 (30m)
Will not draw
chemicals
Spray wand not
in low pressure
See How to Use Spray Wand
paragraph in the Operation Section
Chemical filter
clogged
Clean filter
Chemical screen not
in cleaning solution
Make sure end of detergent
siphon hose is fully submerged
into cleaning solution
Chemical too thick Dilute chemical. Chemical should
be the same consistency as water
Pressure hose
is too long
Lengthen water supply hose
instead of high pressure hose
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