Stihl Fg1 Manual FG 1

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STIHL

8.

FEILGERAT FGl

FILING UNIT FG 1

AFFUTEUR A LIIVIE FG 1

APARATD LIIVIADDR FG 1

~8

5-

13FG 1

english

Printing inks contain vegetable oils;

paper can be recycled.

Printed on chlorine-free paper.© ANDREAS STIHL AG & Co. KG, 2003

0458 565 7721. M5. B3. T. Printed in Germany

STIHl

Contents

Guide to Using this Manual ............ 14

Safety Precautions ......................... 15

Application ...................................... 15

Clamping the Guide Bar ................. 16

Mounting the Filing Tool

on the Guide Bar ............................ 16

Selecting and Fitting File ................ 17

Setting Up ....................................... 17

Sharpening ..................................... 20

Quality Certification ........................ 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.

Please contact your dealer or our

sales company if you have any

queries concerning your machine.

Hans Peter Stihl

14

english

FG 1

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.

Symbols in text

The individual steps or procedures

described in the manual may be marked

in different ways:

: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) ...

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:

Warning where there is a risk of an

accident or personal injury or

serious damage to property.

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 under-

standing of the situation and result

in better use of the power tool.

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.

Guide to Using this Manual

15FG 1

english

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.

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.

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.

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.

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.

Safety Precautions Application

16

english

FG 1

Finding the master cutter

:Use a slide caliper to find the

shortest cutter and mark it, with

chalk.

This is the master cutter for filing all the

other cutters to the same length.

Clamping the guide bar

Depending on the position of the master

cutter

:Clamp the guide bar in a bench vise

or, at the cutting site, the STIHL bar

vise (special accessory).

: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).

Clamping the Guide Bar

523BA012 KN

Master cutter in

row

Nose of guide bar

Left-hand Pointing to right

Right-hand Pointing to left

565BA018 KN

565BA017 KN

Mounting the Filing Tool

on the Guide Bar

565BA002 KN

2

1

17FG 1

english

: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.

Use only special saw chain sharpening

files. Other files have the wrong shape

and cut and are unsuitable for

sharpening saw chain.

:Select the round file (special

accessory) that matches the chain

pitch.

:Place the selected file (1) in the

filing frame.

:Tighten down the screws (2)

moderately.

Adjusting filing angle

:Check filing angle in the following

table

:Swing the filing frame upwards.

:Loosen the knurled nut (1).

4

3

565BA003 KN

Chain pitch Round file Ø

inch mm mm inch

1/4 6.35 4.0 5/32

3/8 PMN 9.32 4.0 5/32

3/8 P 9.32 4.0 5/32

0.325 8.25 4.8 3/16

3/8 9.32 5.2 13/64

0.404 10.26 5.5 7/32

Selecting and Fitting File

565BA005 KN

1

22

Chain Type Filing Angle

Rapid Standard (RC) 30 °

Rapid Micro (RM) 30 °

Rapid Super (RS) 30 °

Picco Micro (PM/PMN) 30 °

RCX, RMX, PMX

(ripping chain)

10 °

Setting Up

1

565BA019 KN

18

english

FG 1

:To rotate guide, lift it clear of the

teeth.

:Set the filing angle (2), e.g. 30° and

tighten down the knurled nut.

:Position the master cutter (3) below

the center of the knurled nut (1).

Aligning the filing frame

:Position the round file (1) between

the side plate and depth gauge of

the master cutter by swinging and

lifting the filing frame.

565BA024 KN

565BA004 KN

2

45

45 35 25

35

25 0

0

3

565BA006 KN

1

2

1

565BA007 KN

19FG 1

english

:Turn the acorn nut (2) to set filing

frame at a right angle to the

clamping jaws.

: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.

90°

565BA027 KN

2

565BA008 KN

3

565BA020 KN

1/10 ø

4

5

565BA009 KN

20

english

FG 1

: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.

Sharpen the master cutter with 2 to 3

firm strokes of the file, from the inside to

the outside of the side plate.

:The stop bar (1) should now locate

against the acorn nut (2).

If this is not the case, readjust the

acorn nut so that the stop bar butts

against it.

Use the setting for the master cutter to

sharpen all the other cutters in the row.

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

:Swing the filing frame upwards and

loosen the knurled nut (1).

6

6

2

2

565BA021 KN

Sharpening

1

1

2

2

565BA010 KN

3

565BA012 KN

1

565BA023 KN

21FG 1

english

:Lift the guide clear of the teeth and

turn it to exactly the same angle

setting on the opposite side.

: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).

: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.

Depth gauges

:Select filing gauge (special

accessory) that matches the chain

pitch.

: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.

565BA024 KN

565BA011 KN

A

2

565BA026 KN

Chain pitch Filing gauge

inch mm Part No.

1/46.35 1110 893 4000

3/8 PMN 9.32 0000 893 4000

3/8 P 9.32 1110 893 4000

0.325 8.25 1110 893 4000

3/89.32 1110 893 4000

0.404 10.26 1106 893 4000

565BA013 KN

1

22

english

FG 1

:Set the filing angle on the guide

to 0°.

:Pull chain along the bar until the

depth gauge is under the file.

: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.

: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.

:Finish off by filing the slope by hand,

parallel to the stamped marking,

until dimension “a” is approx.

0.5 mm.

: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.

565BA025 KN

45

45 35 25

35

25 0

0

3

2

565BA014 KN

4

565BA016 KN

5

566BA017 KN

a

565BA022 KN

Oil

23FG 1

english

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.

Quality Certification

000BA026

24

english

FG 1