Maintenance; Carburetor Adjustment - Truper DES-330 Instructivo

Maintenance

• Before inspecting, cleaning or servicing the tool turn the motor off, wait for all the mobile parts to stop, disconnect the spark
plug cable and set it away from the spark plug. Otherwise, the operator may suffer severe burns and / or damage the tool.
General cleansing
• Using a brush or compressed air, clean and clear the
ventilation slots from the starter unit when necessary.
• Likewise, clean periodically the motor cylinder and fan
blades to remove debris. Otherwise the motor may get
damaged do to overheating.
Air filter cleansing
• Remove the air filter cover loosening the cap knob.
• Remove the air filter.
• Depending on how long the machine is used, you may
clean the filter by superficially tapping it lightly against a
flat surface to displace most of the particles.
• You may also use compressed air on both sides of the
filter to blow away dirt.
• For a more thorough cleansing clean the air filter in
soapy water. Rinse and let it dry completely before
installing it back into the grass trimmer.
• Set back the filter. Verify it is flush in place.
• Clean the air filter as frequently as necessary to keep it
always clean. Otherwise the motor efficiency may lessen.
Fuel filter
• Check the gasoline filter frequently.
• If the filter is dirty, replace it.
• If the gasoline tank is dirty inside, rinse with gasoline.

Carburetor adjustment

• It is recommended to carry out the carburetor adjustment
in a Authorized Service Center.
• A faulty adjustment can damage the motor and makes
warranty void.
Blade
• Check and maintain the blade always in the best
condition.
• Sharpen if necessary with a flat file. Use care not to
change the blade profile and the sharpness to assure the
best performance of the grass trimmer.
R: 2 mm -
3 mm
R: 4 mm -
5 mm
Spark plug replacement
• The motor runs with a NGK BPMR7A spark plug with 0.025"
electrode gap. Replace the spark plug once a year with and
identical spark plug.
• With the motor totally cold, loosen the worn spark plug
towards the left using a spark plug wrench and remove it.
•Insert the new spark plug and using your hand tighten
towards the right.
DANGER • Use care not to damage the spark plug
thread. Otherwise it can damage the motor.
• Give the spark plug half-a turn more using the spark plug
wrench included.
Muffler and exhaust cleansing
• The muffler and exhaust can get clogged with carbon
deposits dependent of type of fuel, amount of oil used
and / or conditions of the use of the grass trimmer. If
there is power loss, deposits shall need to be removed to
improve performance. Go to a
thorized Service Center to carry out the service.
• The muffler is built with a spark-arrest screen inside the
muffler. After long periods of use the screen gets dirty
and the muffler needs replacement. Go to a
Authorized Service Center to carry
out the replacement.
DANGER
• Check often that the muffler has the
fasteners perfectly secured and that there is no damage or
corrosion. In the event of leaks stop the grass trimmer
and take it immediately to a
zed Service Center to repair.
Lubrication
• The inside of the cutting head gearbox is lubricated with
lithium-based multiple use grease. Add grease every 25
hours use.
• To add grease set the grease device into the nipple (A)
and pump twice.
Au-
Authori-
A
ENGLISH
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