Husqvarna 321SP Operator's Manual page 9

3. Make sure that the area near the fuel tank cap is
clean.
4. Remove the fuel tank cap.
5. Shake the fuel container before you add the fuel
mixture to the fuel tank.
6. Put back the fuel tank cap.
To start and stop
Before you start the engine
1. Examine the product for missing, damaged, loose
or worn parts.
2. Examine the nuts, screws and bolts.
3. Examine the air filter.
4. Examine the check valve and throttle trigger.
5. Examine the stop switch.
6. Examine the product for fuel leaks.
7. Examine the inlet hose, inlet filter, outlet hose,
return hose and spray lance for correct connection.
To start a cold engine
WARNING: Do not touch the cover or use a
product with damaged spark plug cap. It can
burn your skin and cause electrical shock if
the spark plug cap is damaged.
CAUTION: Do not pull all the starter rope out.
Hold the starter rope handle when it is fully
extended. Do not twist the starter rope
around your hand.
1. Press the air purge ten times.
2. Move choke lever to the choke position.
3. Place the product to the even ground. Pull out
the starter rope slowly until you feel some
resistance. Pull the starter rope quickly and with
force. Keep doing it until you hear the engine start.
4. Set the choke lever to the run position, then pull
the starter rope until the engine starts.
5. Pull the throttle trigger slightly and run at low
speed for 60 seconds.
To start a warm engine
1. Press the air purge ten times.
2. Set the choke lever to the run position, then pull
the start rope until the engine starts.
To stop the engine
• Press the stop switch to stop the engine.
To spray
• Do not wind the hoses to the product body in any
way, or hoses will be burnt or damaged
• Please use correctly, observing the precautions in
this manual.
• When spraying, do not point the nozzle at your
face, or at other people, animals, etc.
• If the chemical liquid runs out when spraying, put
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 efficiency is sometimes impaired owing to
insufficient pressure.
Spray procedure
Note: Start the engine and wait about 30 seconds to
empty air in the pump every time when using the
product.
1. Set the chock valve to close position
2. Start the engine.
3. Increase the engine speed.
4. Open the chock valve (H).
5. Wait about 30 seconds or longer until the
chemical fluid starts to spray out from the nozzle in
the form of mist.
6. When stopping work, close the cock valve (H)
fully and reduce the engine speed.
b
a
b
H
a. open
b. close
Cleaning after spraying
1.Fill in about 5L of clean water into spray tank.
2.Spray through the nozzle for 2-3 minutes, and
drain the water left inside the tank.
8