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MS 290, MS 310, MS 390
English
33
N
Flip the bar – after each sharpening
and each time the chain is changed
– to avoid uneven wear, especially
at the sprocket nose and on the
bottom
N
Periodically clean the oil inlet
hole (1), oil outlet channel (2) and
bar groove (3)
N
Measure groove depth – using the
measuring tool on the file gauge
(special accessory) – in the area
with the greatest wear
If the groove is not at least this deep:
N
Replace guide bar
Otherwise the drive links will grind
against the base of the groove – the
bottoms of the cutters and the tie straps
will not lie against the bar.
The air filter system can be adapted to
suit different operating conditions by
installing a choice of filters. Changing
the filter is quick and simple.
The saw comes standard with either a
fabric filter or a fleece filter.
Fabric filter
For normal operating conditions and
winter operation.
Fleece filter
For dry and very dusty work areas.
Taking Care of the Guide Bar
Chain type Chain pitch Minimum
groove depth
Picco
1/4“ P
4.0 mm
Rapid
1/4“
4.0 mm
2
3
1
143BA026 KN
Picco
3/8“ P
5.0 mm
Rapid
3/8“; 0.325“ 6.0 mm
Rapid
0.404“
7.0 mm
Air Filter System