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Husqvarna LC 551VBP Manual

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• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
a) Make sure that the idle speed is correctly
adjusted.
b) Make sure that the fuel mixture is correct.
c) Make sure that the air filter is clean.
• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to
Technical data
on page 15
. (Fig. 52)
• Replace the spark plug if it is necessary.
To examine the fuel system
• Examine the fuel tank cap and the seal for the fuel
tank cap to make sure that there are no damages.
• Examine the fuel hose to make sure that there are
no leaks. If the fuel hose is damaged, let a service
agent replace it.
To adjust the speed control and throttle
control
The speed control adjusts the drive speed. The throttle
control adjusts the engine speed.
CAUTION: Do not adjust the speed control
when the engine is on.
1. To adjust the drive speed, turn the adjuster screw
(A) to adjust the length of the cable sheath. Make the
cable sheath shorter to increase the drive speed.
2. If the choke position or stop position cannot be
engaged, adjust the engine speed. Turn the adjuster
screw (B). (Fig. 53)
Transportation, storage and disposal
Transportation and storage
• For storage and transportation of the product and
fuel, make sure that there are no leaks or fumes.
Sparks or open flames, for example from electrical
devices or boilers, can start a fire.
• Always use approved containers for storage and
transportation of fuel.
• Empty the fuel tank before you put the product in
storage for a long period of time. Discard the fuel at
an applicable disposal location
• Safely attach the product during transportation to
prevent damage and accidents.
• Keep the product in a locked area to prevent access
for children or persons that are not approved.
• Keep the product in a dry and frost free area.
Disposal
• Obey the local recycling requirements and applicable
regulations.
• Discard all chemicals, such as engine oil or fuel, at a
service center or at an applicable disposal location.
• When the product is no longer in use, send it to a
Husqvarna dealer or discard it at a recycling
location.
Technical data
LC 451S LC 451V LC 551SP LC 551VBP
Engine
Brand Briggs & Stratton Briggs & Stratton Kawasaki
FJ180V
Kawasaki
FJ180V
Displacement, cm
3
140 140 161 161
Speed, rpm 2900 2900 2800 2800
Nominal engine output, kW
1
2.6@2900 2.6@2900 2.9@2800 2.9@2800
Ignition system
1
The power rating of the engine indicated is the average net output (at specified rpm) of a typical production
engine for the engine model measured to SAE standard J1349/ISO1585. Mass production engines may differ
from this value. Actual power output for the engine installed on the final product will depend on the operating
speed, environmental conditions and other values.
929 - 002 - 15
… 15 …


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