9
English
Handle of pressure control valve
Start
Start
Weeding
High
pressure
Spray
When engine is started and
when pump starts suction.
Weeding
When low-
pressure spray
is required.
(Spray of weed
killer, etc.)
High
pressure
When high
pressure is
required in
particular.
When this
machine is
set at a fixed
position and
longer hose
than
standard is
used.
Spray
Normal spraying work
Operation and shutting down
Operation
Turn the handle of the pressure control valve
until there is sufficient pressure for work
such as spraying weeds (fixed position).
1
Close ball cock.
1
After confirming spraying state and abnor-
malities in the machine, move throttle lever
to high-speed position.
2
When opening ball valve, chemicals will be
sprayed from nozzle in a mist.
3
(fixed position)
When setting the pressure control valve handle
to "spray", "weeding" with throttle fully open at
the "high pressure" position of pressure control
valve handle, engine revolutions increase as
pressure decreases. When using this machine
at the "spray", "weeding" position, use at a posi-
tion little bit back from full open throttle.
No-load running shall not be carried out except
for draining operation. Piston packing might be
damaged.
CAUTION
Stop
Return throttle lever to low speed.
2
Push stop button to stop engine.
3
Push