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323S15/25
12
11
NOTE
• Except for an emergency, avoid stopping the engine
while pulling the throttle trigger.
To spray
WARNING
• Please use correctly, observing the precautions in
this manual.
• Before lifting the sprayer onto your back, check that the
sprayer tank cap and fuel tank cap are tightly closed.
• When spraying, do not point the nozzle at your face,
or at other people, animals, etc.
• If the sprayer is tilted too much, chemical fl uid or fuel
may leak out through the air holes in the cap. When
using, always try to maintain an upright posture.
NOTE
• If the sprayer tank becomes empty while spraying,
reduce the engine to low speed immediately. Empty
running of the engine may cause the spray pump to
break.
• Please avoid using multiple nozzles, jet nozzles,
or other nozzles that give a large spray volume, as
spraying effi ciency is sometimes impaired owing to
insuffi cient pressure.
Spraying procedure
1. Start the engine,
2. Set the pressure regulating dial (8) to appropriate spray
conditions. The pressure regulating dial is used to
control the amount of pressure the pump will produce.
When set, excess pressure is vented back into the
tank supply to ensure a maximum output pressure at
the wand. To set the pressure, follows these steps:
• Turn in clockwise direction to increase the pressure,
or; Turn in anticlockwise direction to decrease the
pressure.
• To lock the pressure regulating dial, tighten the pres-
sure locking plate (9) in clockwise direction.
GB-40
9
8
NOTE
• Pressure has been set properly before delivery, do not
change the pressure unless it is required.
3. Lift the sprayer onto your back.
4. Adjust the brace to a suitable length.
5. Open the cock valve (3).
6. Increase the engine speed, chemical fl uid starts to
spray out from the nozzle in the form of mist.
7. When stopping work, close the cock valve (3) fully and
reduce the engine speed.
b
b
3
Cleaning after completion of spraying
1. Loosen the fl uid drain cap , transfer the chemical fl uid
left inside the tank into a suitable container, and pro-
cess appropriately with all due consideration to safety.
2. Pour about 5 litres of clean water into the sprayer tank,
spray through the nozzle for 2-3 minutes, and drain
the water left inside the tank.
a
a. open
b. close
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