Cutting Attachment - Stihl HT 250 Manual De Instrucciones

English
To do this, apply the cutting
N
attachment and pull it across the
bottom of the branch in an arc as far
as the bar nose.
Perform the cross cut (2) – position
N
the bar with the housing against the
branch.
Flush-cutting thick branches
A
4
If branch diameter is more than
10 cm (4 in), first
perform undercut (3) and then
N
cross-cut at a distance of about
20 cm/8 in (A) from the final cut.
Then carry out the flush-cut (4),
starting with a relieving cut and
finishing with a cross-cut.
14
Cutting above obstacles
3
The machine's long reach makes it
possible to prune branches that are
overhanging obstacles, such as rivers or
lakes. The tool angle in this case
depends on the position of the branch.
Cutting from a lift bucket
The machine's long reach enables
cutting to be performed next to the trunk
without the risk of the lift bucket
damaging other branches. The tool
angle in this case depends on the
position of the branch.

Cutting Attachment

A cutting attachment consists of the saw
chain, guide bar and chain sprocket.
The cutting attachment that comes
standard is designed to exactly match
the pole pruner.
1
a
The pitch (t) of the saw chain (1),
–
chain sprocket and the nose
sprocket of the Rollomatic guide bar
must match.
The drive link gauge (2) of the saw
–
chain (1) must match the groove
width of the guide bar (3).
If non-matching components are used,
the cutting attachment may be damaged
beyond repair after a short period of
operation.
2
3
HT 250