Taking Care Of Guide Bar; Cleaning The Air Filter - Stihl MS 380 Manual

Taking Care of Guide Bar

2
1
: Turn the bar over –
every time you sharpen the chain
and every time you replace the
chain – this helps avoid one-sided
wear, especially at the nose and
underside of the bar.
:
Regularly clean
the oil inlet hole (1),
the oilway (2) and
the bar groove (3).
:
Measure groove depth –
with scale on filing gauge* – in area
used most for cutting.
* see "Guide to Using this Manual"
MS 380
Chain Pitch
type
Picco 3/8" P
Rapid 1/4"
Rapid 3/8"; 0.325" 6.0 mm
Rapid 0.404"
If groove depth is less than specified:
3
:
Replace the guide bar.
The drive link tangs will otherwise
scrape along the bottom of the groove –
the cutters and tie straps will not ride on
the bar rails.
3

Cleaning the Air Filter

Minimum
groove
depth
5.0 mm
4.0 mm
7.0 mm
1
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
If there is a noticeable loss of
engine power
:
Move the Master Control lever (1)
to the normal run position.
:
Loosen knob (2) in direction of
arrow.
:
Remove the carburetor box
cover (3).
:
Clean away loose dirt from around
the filter.
English
3
2
29