English
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
32
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
Remove air filter
Turn the knob above the rear handle
N
in the direction of the arrow and
remove the carburetor box cover
Remover filter
N
MS 661