Stihl Fg1 Manual FG 1

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STIHL
FEILGERAT FGl
FILING UNIT FG 1
AFFUTEUR A LIIVIE FG 1
APARATD LIIVIADDR FG 1

8.

~8

5

-

english

Printing inks contain vegetable oils;
paper can be recycled.

Contents

Guide to Using this Manual ............
Safety Precautions .........................
Application ......................................
Clamping the Guide Bar .................
Mounting the Filing Tool
on the Guide Bar ............................
Selecting and Fitting File ................
Setting Up .......................................
Sharpening .....................................
Quality Certification ........................

14
15
15
16
16
17
17
20
23

Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
This machine has been built using
modern production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and troublefree use
of the machine.

© ANDREAS STIHL AG & Co. KG, 2003
0458 565 7721. M5. B3. T. Printed in Germany

Printed on chlorine-free paper.

Please contact your dealer or our
sales company if you have any
queries concerning your machine.

Hans Peter Stihl

STIHl
FG 1

13

english

Guide to Using this Manual

Pictograms
All the pictograms attached to the
machine are shown and explained in the
this manual.
The operating and handling instructions
are supported by illustrations.

In addition to the operating instructions,
this manual may contain paragraphs
that require your special attention. Such
paragraphs are marked with the
symbols described below:

Symbols in text

Warning where there is a risk of an
accident or personal injury or
serious damage to property.

The individual steps or procedures
described in the manual may be marked
in different ways:

Warning where there is a risk of
damaging the power tool or
individual components.

:

Note or hint which is not essential
for using the power tool, but may
improve the operator’s understanding of the situation and result
in better use of the power tool.

Step or procedure without direct
reference to an illustration.

Description of step or procedure that
refers directly to the illustration and
contains item numbers that appear in
the illustration.
Example:
Loosen the screw (1)
Lever (2) ...

14

Note or hint on correct procedure in
order to avoid damage to the
environment.

Equipment and features
This instruction manual refers to
several models with different
features. Components that are not
installed in all models and related
applications are marked thus *.
Such components are available as
special accessories from your
STIHL dealer.

Engineering improvements
STIHL’s philosophy is to continually
improve all of its products. As a result,
engineering changes and improvements
are made from time to time. If the
operating characteristics or the
appearance of your machine differ from
those described in this manual, please
contact your STIHL dealer for
assistance.
Therefore, we cannot be responsible for
changes, modifications or
improvements not covered in this
manual.

FG 1

english

Safety Precautions

To reduce the risk of
personal injury, special
safety precautions must
be observed while
operating the filing tool.
Read the operating
instructions carefully and
keep them in a safe place
for later reference.
Always shut off the saw engine before
working with the filing tool:
Move Master Control lever / slide control
or the separate stop switch to
STOP or $.
Electric saws: Disconnect plug from
power supply.
Wear gloves.

FG 1

Application

It is absolutely essential to comply with
the angles and dimensions specified in
these instructions. If the saw chain is
incorrectly sharpened – and in
particular if the depth gauges are set too
low – there is a risk of increased saw
kickback and personal injury.

The STIHL FG 1 filing tool can be used
to sharpen all STIHL Oilomatic saw
chains with the exception of square
ground chains (RSL, RSLF, RSLH) and
carbide-tipped chains (RD, RDS).
Sharpening is effected with the guide
bar and chain mounted on the saw.

Observing the safety precautions and
specifications in these instructions and
the owner’s manual of the saw model on
which the filing tool is mounted can help
reduce the risk of injury and damage to
the saw.

For accurate results it is best to clamp
the guide bar in a bench vise or, at the
cutting site, in the STIHL bar vise
(special accessory).

File correctly
–

Sharpen the chain frequently, take
away as little metal as possible –
two or three strokes of the file are
usually enough.

–

Always file from the inside to the
outside of the cutter.

–

The file only sharpens on the
forward stroke – lift the file off the
cutter on the backstroke.

–

Avoid touching the tie straps and
drive links with the file.

15

english

Mounting the Filing Tool
on the Guide Bar

Clamping the Guide Bar

Clamping the guide bar
Depending on the position of the master
cutter

Pointing to right
Pointing to left

Use a slide caliper to find the
shortest cutter and mark it, with
chalk.

:

Place the filing tool on the guide bar.

:

The clamping jaws (1) must point
towards the bar nose and be in line
with top edge of the rivet heads.

:

Tighten down the wing screw (2).

565BA018 KN

:

2

Nose of guide bar

523BA012 KN

Master cutter in
row
Left-hand
Right-hand

Finding the master cutter

1

Clamp the guide bar in a bench vise
or, at the cutting site, the STIHL bar
vise (special accessory).

565BA002 KN

:

565BA017 KN

This is the master cutter for filing all the
other cutters to the same length.

16

FG 1

english

Selecting and Fitting File

Setting Up

Use only special saw chain sharpening
files. Other files have the wrong shape
and cut and are unsuitable for
sharpening saw chain.

Adjusting filing angle

:

Use the adjusting screw (3) to
center the filing tool above the
chain.

:

Tighten the second clamping jaw
with the clamp screw (4) so that the
chain can still be pulled along the
bar with a screwdriver engaged in a
cutter.

FG 1

Round file Ø
mm
inch
4.0
5/32
4.0
5/32
4.0
5/32
4.8
3/16
5.2
13/64
5.5
7/32

Check filing angle in the following
table

Chain Type
Rapid Standard (RC)
Rapid Micro (RM)
Rapid Super (RS)
Picco Micro (PM/PMN)
RCX, RMX, PMX
(ripping chain)

Filing Angle
30 °
30 °
30 °
30 °
10 °

1
565BA019 KN

:

Chain pitch
inch
mm
1/4
6.35
3/8 PMN
9.32
3/8 P
9.32
0.325
8.25
3/8
9.32
0.404
10.26

1
2

2

:

Place the selected file (1) in the
filing frame.

:

Tighten down the screws (2)
moderately.

565BA005 KN

4
565BA003 KN

3

Select the round file (special
accessory) that matches the chain
pitch.

:

:

Swing the filing frame upwards.

:

Loosen the knurled nut (1).

17

35
0

2

45

:

25

565BA024 KN

english

To rotate guide, lift it clear of the
teeth.

45

35
0

25

1

565BA004 KN

565BA007 KN

2

:

Set the filing angle (2), e.g. 30° and
tighten down the knurled nut.

3

:

18

:

Position the round file (1) between
the side plate and depth gauge of
the master cutter by swinging and
lifting the filing frame.

565BA006 KN

1

Aligning the filing frame

Position the master cutter (3) below
the center of the knurled nut (1).

FG 1

english

3
4
5

Turn the acorn nut (2) to set filing
frame at a right angle to the
clamping jaws.

565BA009 KN

1/10 ø

565BA020 KN

:

565BA027 KN

90°

565BA008 KN

2

:

FG 1

Turn the adjusting screw (3)
(counterclockwise to lower file –
clockwise to raise file) until about
1/10 of file diameter projects above
the top plate.

:

Loosen the knurled nut (4).

:

Move the stop (5) up against the
back of the cutter to be sharpened
(master cutter) and tighten down the
knurled nut.

19

english

Sharpening

Use the setting for the master cutter to
sharpen all the other cutters in the row.

6

2

1

2
565BA012 KN

3

:

Turn the acorn nut (2) slowly
clockwise until the distance
between it and the stop bar (6) is
about 0.1 to 0.2 mm.

1

565BA021 KN

6

2
565BA010 KN

2

During the sharpening process make
sure the stop (3) always locates properly
against the back of the cutter being
sharpened.

Sharpening second row of
cutters

Sharpen the master cutter with 2 to 3
firm strokes of the file, from the inside to
the outside of the side plate.
:

1

The stop bar (1) should now locate
against the acorn nut (2).

565BA023 KN

If this is not the case, readjust the
acorn nut so that the stop bar butts
against it.
:

20

Swing the filing frame upwards and
loosen the knurled nut (1).

FG 1

english

Depth gauges
:

:

Tighten down the knurled nut.

:

Turn the guide bar through 180° and
clamp it in the bech vise or STIHL
bar vise (special accessory).

:

Swing the filing frame down.

:

Position the round file between the
side plate and depth gauge of the
first cutter in the second row.

:

Sharpen the first cutter in the
second row.

:

Check the cutter length (A).

2

:

:

FG 1

Filing gauge
Part No.
1110 893 4000
0000 893 4000
1110 893 4000
1110 893 4000
1110 893 4000
1106 893 4000

If it differs from the length of the
master cutter, move the stop (2)
forwards or backwards, resharpen
and check length (A) again.
If the length is correct, sharpen all
cutters in the second row using this
setting.

1

:

565BA013 KN

Lift the guide clear of the teeth and
turn it to exactly the same angle
setting on the opposite side.

Select filing gauge (special
accessory) that matches the chain
pitch.

Chain pitch
inch
mm
1
/4
6.35
3/ PMN 9.32
8
3
/8 P
9.32
0.325
8.25
3/
9.32
8
0.404
10.26

565BA026 KN

:

565BA011 KN

565BA024 KN

A

Place the selected filing gauge (1)
(special accessory) on the chain. If
the depth gauge projects above the
filing gauge, it has to be lowered.

21

english

45

:

Set the filing angle on the guide
to 0°.

:

Pull chain along the bar until the
depth gauge is under the file.

:

:

Lubricate the guide with oil.
Impregnate the felt in the guide to
ensure free movement of the filing
frame.
Rotate the file at regular intervals
while filing to avoid one-sided wear.

Fit the flat file (2) (special
accessory) in place of the round file.

:

Adjust thestop (3) so that the file
does not touch the cuting edge.

:

Use acorn nut (4) to align filing
frame at right angle to the clamping
jaws.

566BA017 KN

565BA014 KN

3

:

22

Adjust height adjusting screw (5) so
that the depth gauge is filed back to
the required height (flush with
gauge). Then remove the filing
gauge and file down all depth
gauges to the same setting.

a

4
2

565BA022 KN

25

Oil
565BA016 KN

35
0

565BA025 KN

35
0

25

45

5

:

Finish off by filing the slope by hand,
parallel to the stamped marking,
until dimension “a” is approx.
0.5 mm.

FG 1

english

000BA026

Quality Certification

All STIHL products comply with the
highest quality standards.
An independent organization has
certified that all products manufactured
by STIHL meet the strict requirements of
the ISO 9001 standard for quality
management systems in terms of
product development, materials
purchasing, production, assembly,
documentation and customer service.

FG 1

23

english

24

FG 1



---

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