Taking Care Of The Guide Bar; Air Filter System - Stihl MS 250 Instruction Manual

Taking Care of the Guide Bar

2
1
Flip the bar – after each sharpening
N
and each time the chain is changed
– to avoid uneven wear, especially
at the sprocket nose and on the
bottom
Periodically clean the oil inlet
N
hole (1), oil outlet channel (2) and
bar groove (3)
Measure groove depth – using the
N
measuring tool on the file gauge
(special accessory) – in the area
with the greatest wear
MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C
Chain type Chain pitch
Picco
Rapid
Picco
Rapid
Rapid
If the groove is not at least this deep:
Replace guide bar
N
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.
3
Minimum
groove depth
1/4" P 4.0 mm
1/4" 4.0 mm
3/8" P 5.0 mm
3/8"; 0.325" 6.0 mm
0.404" 7.0 mm

Air Filter System

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.
English
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