321S15/25
GB-12
1. Press the primer (6) at the bottom of the carburetor a
few times with your • nger until the fuel starts to • ow
through the transparent pipe.
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NOTE
• There is no need to operate the primer when restarting
immediately after stopping the engine, provided there
is fuel left in the fuel tank.
2. Lift the choke lever (7) on the right of the air cleaner
until it is in the “closed” position.
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NOTE
• When restarting immediately after stopping the engine,
set the choke lever to “open”.
3. 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.
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IMPORTANT
• Pressure has been set properly before delivery, do not
change the pressure unless it is required.
4. Place the sprayer in a stable location, and pull the
starter knob with the right hand while holding the
sprayer tank down with the left hand. The starter knob
should • rst be pulled out lightly, then, when resistance
is felt, pulled more swiftly and vigorously.
IMPORTANT
• Do not pull the rope out completely or release the
starter knob so that the rope returns, as this can cause
starter malfunction.
5. Once the engine has started, gradually open the choke
lever (7), warm up at low speed for 1-2 minutes.
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