To Examine The Spark Plug; Technical Data - McCulloch B40 B Elite Manual Del Usuario

To examine the spark plug

CAUTION:
recommended spark plug type. Incorrect
spark plug type can cause damage to the
product.
• 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.
Engine
Cylinder displacement, cm
Cylinder diameter, Ø mm
Cylinder stroke length, mm
Idle speed, rpm
Recommended max. speed, rpm
Speed of output shaft, rpm
Max. engine output, according to ISO 8893, kW @ rpm
Ignition system
Spark plug
Electrode gap, mm
Fuel and lubrication system
Manufacturer/type of carburetor
Fuel tank capacity, l/cm³
Weight
Without fuel, cutting attachment and guard, kg
1
Noise emissions
Sound power level, measured dB(A)
Sound power level, guaranteed L
1
Noise emissions in the environment measured as sound power (L
2000/14/EC. Reported sound power level for the machine has been measured with the original cutting attach-
ment that gives the highest level. The difference between guaranteed and measured sound power is that the
guaranteed sound power also includes dispersion in the measurement result and the variations between dif-
ferent machines of the same model according to Directive 2000/14/EC.
24
Always use the

Technical data

3
dB(A)
WA
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
on page 24 .
• Replace the spark plug if it is necessary.
B40 B Elite
40.1
40.5
31.1
3000
12000
8220
1.5 @ 9000
NGK CMR7H-10
0.9-1.0
Ruixing H225D-
1 / 1000
7.3
112
118
) in conformity with EC directive
WA
Technical data
B40 BT Elite
40.1
40.5
31.1
3000
12000
8220
1.5 @ 9000
NGK CMR7H-10
0.9-1.0
Ruixing H225D-
1 / 1000
7.4
112
118
1681 - 001 - 28.06.2021