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7. TROUBLESHOOTING
・
Where marked with
☆
, request adjustment or repair at sales outlet or our
sales office.
Pump
Phenomena
Cause
Treatment
Suck no water
(1) Loose connecting of suction hose
(1) Tighten sufficiently.
(2) Suction hose clogged with chemicals
(2) Disassemble and clean
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(3) Wear to piston packing
(3) Replace with new parts
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(4) Foreign matter in valve portion
(4) Disassemble and clean
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Pressure cannot
(1) Wear to piston packing
(1) Replace with new one.
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be increased.(poor (2) Scratch on the inside surface of cylinder (2) Replace with new one.
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spraying state)
(3) Scratch on delivery valve
(3) Replace with new one.
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(4) Wear to pressure control valve seat
(4) Replace with new one.
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(5) Foreign material on each valve
(5) Disassemble and clean.
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(6) Wear to cam handle
(6) Replace with new one.
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(7) Wear to nozzle hole
(7) Replace with new one.
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(8) Too high a nozzle number used
(8) Decrease number of
nozzles or replace with
smaller diameter nozzle.
Engine
Phenomena
Cause
Treatment
Does not start
・No fuel
・Supply fuel.
・Fuel filter is clogged
・Clean
・Mis-starting
・Refer item
"Starting engine"
・Poor ignition plug
・Replace.
☆
・Poor magnet
・Replace.
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・Poor carburetor
・Replace.
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Insufficient output ・Poor adjustment of throttle wire
・Adjust.
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・Clogging of air cleaner element
・Clean.
・Carbon building up at exhaust port
and muffler
・Clean.
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Vibration is
・Loose part
・Tighten
getting heavy
・Loose muffler and muffler cover
・Tighten
