Trouble-Shooting And Actions - Maruyama MS0735W Manual Del Propietario U Operador

Trouble-shooting and actions

・When the condition of pump and engine is poor, the following can be expected.
・Where marked with ☆, request adjustment or repair at sales outlet or our sales office.
Pump
Symptom
No suction
Pressure cannot be
increased.(poor
spraying state)
Engine
Symptom
Does not start
Insufficient output
Excessive vibration
Excessive noise
English
Cause
(1) Loose connecting of suction hose
(2) Suction hose clogged with chemicals
(3) Wear to piston packing
(4) Foreign matter in valve portion
(1) Wear to piston packing
(2) Scratch on the inside surface of cylinder
(3) Scratch on delivery valve
(4) Wear to pressure control valve seat
(5) Foreign material on each valve
(6) Wear to cam handle
(7) Wear to nozzle hole
(8) Too high a nozzle number used
Cause
・No fuel
・Fuel filter is clogged
・Mis-starting
・Bad spark plug
・Weak spark
・Poor carburetor
・Poor adjustment of throttle wire
・Clogging of air cleaner element
・Carbon building up at exhaust port and muffler
・Loose part
・Loose muffler and muffler cover
Treatment
(1) Tighten sufficiently.
(2) Disassemble and clean
(3) Replace with new parts
(4) Disassemble and clean
(1) Replace with new one.
(2) Replace with new one.
(3) Replace with new one.
(4) Replace with new one.
(5) Disassemble and clean.
(6) Replace with new one.
(7) Replace with new one.
(8) Decrease number of nozzles
Treatment
・Supply fuel.
・Clean
・Refer item "Starting engine"
・Replace.
・Replace or service coil / flywheel.
・Replace / service
・Adjust.
・Clean.
・Clean.
・Tighten
・Tighten
17
or replace with smaller
diameter nozzle.
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