McCulloch GBV 322 Operator's Manual page 11

• Always use new unleaded gasoline with a minimum
octane number of 90 RON (87 AKI) and with less
than 10% ethanol concentration (E10).
• Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.
Two-cycle engine oil
• Use only high quality two-cycle engine oil. Use only
an air cooled engine oil.
• Do not use other types of oil.
• Mixture ratio 50:1 (2%)
Gasoline
1 U.S. Gal.
1 UK Gal.
5 l
To make the fuel mixture
Note: Always use a clean fuel container when you mix
the fuel.
Note: Do not make more than 30 days quantity of fuel
mixture.
1. Add half of the gasoline quantity.
2. Add the full quantity of oil.
3. Shake the fuel mixture to mix the contents.
4. Add the remaining gasoline quantity.
5. Shake the fuel mixture to mix the contents.
6. Fill the fuel tank.
To add fuel
• Always use a fuel container with an antispill valve.
• If there is some fuel on the container, remove the
unwanted fuel and let the container dry.
• Make sure that the area near the fuel tank cap is
clean.
• Shake the fuel container before you add the fuel
mixture to the fuel tank.
To start and stop
Before you start the engine
• Examine the product for missing, damaged, loose or
worn parts.
• Examine the collection bag. Make sure that the
collection bag is not damaged and that the zipper is
closed.
• Examine the nuts, screws and bolts.
• Examine the air filter.
• Examine the throttle trigger for correct operation.
• Examine the stop switch for correct operation.
728 - 008 - 10.06.2019
Oil
77 ml (2,6 oz)
95 ml (3,2 oz)
100 ml (3,4 oz)
• Examine the product for fuel leaks.
To start a cold engine
WARNING: Do not wind the starter rope
around your arm.
CAUTION: Do not hold the product with your
foot.
CAUTION: Do not pull the starter rope to the
end position. Do not let go of the starter rope
handle when the starter rope is extended.
This can cause damage to the product.
Note: If the engine stops, move the choke control to the
closed position and do the starting steps again.
1. Fill the fuel tank with a clean fuel mixture.
2. Use your left hand to hold the body of the machine
on the ground. Make sure the blower end is pointed
away from persons, animals, glass and solid objects.
3. Slowly push the air purge bulb 10 times.
4. Move the choke lever to the FULL CHOKE position.
5. Squeeze and hold the throttle trigger.
6. Pull the starter rope handle quickly until the engine
tries to run, but no more than 3 pulls.
Note: If the temperature is less than 4°C (40°F),
continue to pull the starter rope handle until the
engine tries to start.
7. Move the choke lever to the HALF CHOKE position.
8. Pull the starter rope handle quickly until the engine
runs.
9. Let the engine run for 10 seconds.
10. Move the choke lever to the NO CHOKE position.
To start a warm engine
1. Slowly push the air purge bulb 10 times.
2. Move the choke lever to the HALF CHOKE position.
3. Pull the starter rope handle quickly until the engine
runs.
4. Move the choke lever to the NO CHOKE position.
To start an engine with vapor lock
Vapor lock occurs when the fuel in the fuel line or
carburetor vaporizes because of increased heat.
The product may have vapor lock if it does not restart in
an ambient temperature of more than 35°C (95°F) and it
has been shut off for 15-45 minutes.
1. Push the air purge bulb again and again for 10-15
seconds.
11