Stihl HT 101 Instruction Manual - Page 38

All cutters must be the same length.

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English Use only special saw chain sharpening files. Other files have the wrong shape and cut. For checking angles 90° 689BA018 KN If the cutters are not the same length, they will have different heights. This makes the chain run roughly and can cause it to break. N Find the shortest cutter and then file all other cutters back to the same length. It is best to have this work done by a servicing dealer on an electric grinder. Depth gauge setting 001BA203 KN 689BA043 KN 689BA023 KN Use a STlHL filing gauge (special accessory, see table "Sharpening Tools"). This is a universal tool for checking the filing and side plate angles, depth gauge setting, cutter length and groove depth. It also cleans the guide bar groove and oil inlet holes. File correctly N Select sharpening tools according to chain pitch. N If you use an FG 2, HOS or USG sharpener: Remove the chain from the bar and sharpen according to the instructions supplied with the tool. N Clamp the bar in a vise if necessary. N Sharpen the chain frequently, take away as little metal as possible - two or three strokes of the file are usually enough. N Hold the file horizontally (at a right angle to the side of the guide bar) and file according to the angles marked on the file holder. Rest the file holder on the top plate and depth gauge. N Always file from the inside to the outside of the cutter. N The file only sharpens on the forward stroke - lift the file off the cutter on the backstroke. N Avoid touching the tie straps and drive links with the file. N Rotate the file at regular intervals while filing to avoid one-sided wear. N Use a piece of hardwood to remove burrs from the cutting edge. N Check angles with the filing gauge. All cutters must be the same length. a The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the chip removed. a Specified distance or setting between depth gauge and cutting edge. This setting may be increased by 0.2 mm (0.008") for cutting softwood in the mild weather season - no frost. Chain pitch inch 1/4 P 1/4 3/8 P 0.325 3/8 (mm) (6,35) (6,35) (9,32) (8,25) (9,32) Depth gauge Setting (a) mm (inch) 0,45 (0.018) 0,65 (0.026) 0,65 (0.026) 0,65 (0.026) 0,65 (0.026) 36 HT 100, HT 101, HT 130, HT 131

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HT 100, HT 101, HT 130, HT 131
English
36
Use only special saw chain sharpening
files.
Other files have the wrong shape
and cut.
For checking angles
Use a STlHL filing gauge (special
accessory, see table "Sharpening
Tools"). This is a universal
tool for
checking the filing and side plate angles,
depth gauge setting, cutter length and
groove depth. It also cleans the guide
bar groove and oil inlet holes.
File correctly
N
Select sharpening tools according
to chain pitch.
N
If you use an FG 2, HOS or USG
sharpener: Remove the chain from
the bar and sharpen according to
the instructions supplied with the
tool.
N
Clamp the bar in a vise if necessary.
N
Sharpen the chain frequently, take
away as little metal as possible –
two or three strokes of the file are
usually enough.
N
Hold the file
horizontally
(at a right
angle to the side of the guide bar)
and file according to the angles
marked on the file holder. Rest the
file holder on the top plate and depth
gauge.
N
Always file from the inside to the
outside of the cutter.
N
The file only sharpens on the
forward stroke – lift the file off the
cutter on the backstroke.
N
Avoid touching the tie straps and
drive links with the file.
N
Rotate the file at regular intervals
while filing to avoid one-sided wear.
N
Use a piece of hardwood to remove
burrs from the cutting edge.
N
Check angles with the filing gauge.
All cutters must be the same length.
If the cutters are not the same length,
they will have different heights. This
makes the chain run roughly and can
cause it to break.
N
Find the shortest cutter and then file
all other cutters back to the same
length. It is best to have this work
done by a servicing dealer on an
electric grinder.
Depth gauge setting
The depth gauge determines the height
at which the cutter enters the wood and
thus the thickness of the chip removed.
a
Specified distance or setting
between depth gauge and cutting
edge.
This setting may be increased by 0.2
mm (0.008") for cutting softwood in the
mild weather season – no frost.
001BA203 KN
689BA018 KN
90°
689BA043 KN
Chain pitch
Depth gauge
Setting (a)
inch
(mm)
mm
(inch)
1/4 P
(6,35)
0,45
(0.018)
1/4
(6,35)
0,65
(0.026)
3/8 P
(9,32)
0,65
(0.026)
0.325
(8,25)
0,65
(0.026)
3/8
(9,32)
0,65
(0.026)
689BA023 KN
a