Maintaining And Sharpening The Saw Chain - Stihl HTE 60 Manual De Instrucciones

Maintaining and Sharpening
the Saw Chain
Cutting Effortlessly with a Correctly
Sharpened Chain
A properly sharpened chain slices
through wood effortlessly and requires
very little feed pressure.
Working with a dull or damaged chain
requires more physical effort, exposes
the user to higher vibration levels,
produces unsatisfactory cutting results
and increases wear.
Clean the chain.
N
Check the chain for cracks in the
N
links and damaged rivets.
Replace any damaged or worn
N
parts of the chain and match the
new parts to the shape and size of
the original parts.
Carbide-tipped saw chains (Duro) are
particularly wear resistant. STIHL
recommends you have your chain
resharpened by a STIHL servicing
dealer.
WARNING
It is absolutely essential to comply with
the angles and dimensions specified
below. If the saw chain is incorrectly
sharpened – and in particular if the depth
gauge is set too low – there is an
increased risk of kickback, with resulting
risk of injury.
HTE 60
The saw chain cannot be locked in place
on the guide bar. Therefore, it is best to
remove the chain from the bar and
resharpen it on a workshop sharpening
tool (FG 2, HOS, USG).
Chain Pitch
The chain pitch (a) is marked on the
depth gauge end of each cutter.
Mark (a) Chain Pitch
inch
7 1/4 P
Select file diameter according to chain
pitch – see table "Sharpening Tools".
You must observe certain angles when
resharpening the chain cutter.
Filing and Side Plate Angles
A
B
A Filing angle
STIHL saw chains are sharpened to a
filing angle of 30°. Exceptions are
ripping chains with a filing angle of 10°.
Ripping chains have an X in their
designations.
B Side plate angle
The correct side plate angle is obtained
automatically if you use the prescribed
file holder and file diameter.
Cutter shapes
a
Micro = semi chisel cutter,
e.g. 63 PM3, 26 RM3,
71 PM3
The angles must be the same on all
cutters. If the angles are uneven: The
chain will run roughly, not in a straight
line, wear quickly and finally break.
File holder
mm
6.35
Use a file holder
N
A file holder (special accessory) must be
used for manual resharpening (see table
"Sharpening Tools" at the end of this
chapter). The correct filing angles are
marked on the file holder.
Use only special saw chain sharpening
files. Other files have the wrong shape
and cut.
English
Angle (°)
A B
30 75
51