Trouble-Shooting And Actions; Specification - Maruyama MS074 Manuel Du Propriétaire

Trouble-shooting and actions

・When the pump or engine is not performing piopeily please refer to the following chart.
・Where marked with ☆, request adjustment or repair at authorized MARUYAMA servicing pealer.
Pump
Phenomena Cause
(1) Loose connecting of suction hose
Suck no water
(2) Suction hose clogged with chemicals
(3) Wear to piston packing
(4) Foreign matter in valve portion
(1) Wear to piston packing
Pressure cannot be
(2) Scratch on the inside surface of cylinder
increased.(poor
(3) Scratch on delivery valve
spraying state)
(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
Engine
Phenomena Cause
Does not start ・No fuel
・Fuel filter is clogged
・Improper starting
・Poor ignition plug
・Poor magnet
・Poor carburetor
Insufficient output ・Poor adjustment of throttle wire
・Clogging of air cleaner element
・Carbon building up at exhaust port and muffler
Excessive Vibration ・Loose parts
Excessive Vibration ・Loose muffler and muffler cover
English
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
or replace with smaller
diameter nozzle.
Treatment
・Supply fuel.
・Clean
・Refer item "Starting engine"
・Replace.
・Replace.
・Replace.
・Adjust.
・Clean.
・Clean.
・Tighten
・Tighten
17

5. Specification

Dimension
Height×Wldth ×Length(mm)-(inches)
Dry weight(kg) (lbs)
Total weight(kg) (lbs)
Chemical tank capacity( R ) (gallons)
Fuel tank capacity( R ) (gallons)
☆
Pump
☆
Type
☆
Maximum pressure(kgf/cm
☆
Suction( R /min)
☆
Rotational frequency(rpm) (gallons/min)
☆
Engine
☆
Model
☆
☆
Type
☆
Displacement(m R )
Rated continuous output(PS/rpm)
Fuel
Ignition system
Spark plug
Stating system
The specification may be changed for product improvement, without prior notice.
☆
☆
☆
☆
☆
635×465×365(25×18.3×14.4)
8.6 (19lbs)
34.5 (76lbs)
25 (6.6gal)
0.9 (.24gal)
Maruyama twin uni-flow
2 ) (PSI)
7.1 (1.88)
MARUYAMA BE230
Forced Air Cool, 2-cycle
Mixed gasoline(50 : 1)
Electronic Ignition
NGK BPMR 6Y
Recoil Starter
18
35 ( )
1930
22.5
0.9/7000
English