MAINTENANCE
Spark plugNeedle bearing lubrication
The spark plug condition is in�uenced by:The clutch drum has a needle bearing on the output shaft.
This needle bearing must be lubricated regularly (once a
Y Incorrect carburettor adjustment.
week).
Y An incorrect fuel mixture (too much or incorrect type of
When lubricating, remove the clutch cover by loosening the
oil).
two bar nuts. Lay the saw on its side with the clutch drum
Y A dirty air Ţlter.upwards.
These factors cause deposits on the spark plug electrodes, Lubrication involves engine oil dripping into the centre of the
which may result in operating problems and starting clutch drum as it rotates.
difŢculties.
If the machine is low on power, difŢcult to start or runs poorly
at idle speed: always check the spark plug Ţrst before taking
any further action. If the spark plug is dirty, clean it and check
that the electrode gap is 0.5 mm. The spark plug should be
replaced after about a month in operation or earlier if
necessary.
Adjustment of the oil pump
Note! Always use the recommended spark plug type! Use of
the wrong spark plug can damage the piston/cylinder. Check
that the spark plug is Ţtted with a suppressor.(350)
The oil pump is adjustable. Adjustments are made by turning
Lubricating the bar tip sprocket
the screw using a screwdriver or combination spanner. The
machine is supplied from the factory with the screw set to
position 2. Turning the screw clockwise will reduce the oil �ow
and turning the screw anti-clockwise will increase the oil �ow.
Lubricate the bar tip sprocket each time you refuel. Use the
special grease gun and a good quality bearing grease.
+ �
1
2
3
Recommended settings:
Bar 13"-15": Position 1
Bar 15"-18": Position 2
Bar 18"-20": Position 3
WARNING! The engine must not be running
when making adjustments.
!
36 � English |