Spark Plug; Maintenance Schedule; Bevel Gear - McCulloch B33 P Operator Instructions Manual

The life span of the unit can be decreased and the
risk of accidents can increase if maintenance is not
are not carried out professionally. If you need further
Unit/Maintenance Safety
Disconnect the spark plug before performing
maintenance.

Maintenance schedule

performed on the unit. Most of the items are described
in the Maintenance section. The user must only carry
maintenance more frequently if it is extremely dusty.
Weekly:
Clean the outside of the unit.
Make sure the throttle trigger lock and the throttle
correctly.
Check that the cutting attachment does not rotate
at idle.
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.
Check that the trimmer head is undamaged and not
cracked. Replace the trimmer head if necessary.
Check that the locking nut of the cutting equipment
is tightened correctly.
tank or fuel lines.
Monthly:
Check the starter and starter cord.
Annually:
check the electrode gap. Adjust the gap to 0.6 mm
Clean the outside of the carburetor and the space
around it.
fuel hose from cracks or other defects. Replace if
necessary.
Check all cables and connections.
Replace the spark plug. Check that the spark plug
supplied.
MAINTENANCE

Spark plug

incorrect carburetor adjustment.
an incorrect fuel mixture (too much or incorrect type
These factors cause deposits on the spark plug
before taking any further action.
electrode gap is correct.
CAUTION:
Carburetor
The basic carburetor settings are adjusted during
testing at the factory. Adjustment must be carried out
by a trained technician.
spark arrestor mesh. If your unit has spark arrestor
be replaced.
and result in damage to the cylinder and piston.
CAUTION:

Bevel gear

does not normally need to be changed except if
repairs are carried out.
14
Do not use a unit that has a faulty or