McCulloch B33 P - Maintenance; Air Filter; Spark Plug

The life span of the unit can be decreased and the
risk of accidents can increase if maintenance is not
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are not carried out professionally. If you need further
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Unit/Maintenance Safety
Disconnect the spark plug before performing
maintenance.
Maintenance schedule
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performed on the unit. Most of the items are described
in the Maintenance section. The user must only carry
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maintenance more frequently if it is extremely dusty.
 Weekly:
Ɣ Clean the outside of the unit.
Ɣ Make sure the throttle trigger lock and the throttle
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correctly.
Ɣ Check that the cutting attachment does not rotate
at idle.
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Ɣ Check that the cutting attachment guard is
undamaged and not cracked. Replace the cutting
attachment guard if it has been exposed to impact
or is cracked.
Ɣ Check that the trimmer head is undamaged and not
cracked. Replace the trimmer head if necessary.
Ɣ Check that the locking nut of the cutting equipment
is tightened correctly.
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tank or fuel lines.
 Monthly:
Ɣ Check the starter and starter cord.
 Annually:
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check the electrode gap. Adjust the gap to 0.6 mm
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Ɣ Clean the outside of the carburetor and the space
around it.
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fuel hose from cracks or other defects. Replace if
necessary.
Ɣ Check all cables and connections.
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Ɣ Replace the spark plug. Check that the spark plug
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supplied.
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Spark plug
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Ɣ incorrect carburetor adjustment.
Ɣ an incorrect fuel mixture (too much or incorrect type
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These factors cause deposits on the spark plug
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before taking any further action.
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electrode gap is correct.
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Carburetor
The basic carburetor settings are adjusted during
testing at the factory. Adjustment must be carried out
by a trained technician.
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spark arrestor mesh. If your unit has spark arrestor
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be replaced.
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and result in damage to the cylinder and piston.
CAUTION: Do not use a unit that has a faulty or
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Bevel gear
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does not normally need to be changed except if
repairs are carried out.
MAINTENANCE
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