Bosch AKE 35-19 S manual

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  • Brand: Bosch
  • Product: Chain saw
  • Model/name: AKE 35-19 S
  • Filetype: PDF
  • Available languages: Dutch, English, German, French, Spanish, Italian, Swedish, Portuguese, Danish, Norwegian, Finnish, Turkish, Greek, Polish, Russian, Czech, Romanian, Slovak, Hungarian, Slovene, Croatian, Ukrainian

Table of Contents

Page: 0
Robert Bosch GmbH
Power Tools Division
70745 Leinfelden-Echterdingen
F 016 L70 667 (2010.04) O / 217 WEU
30-19 S | 35-19 S | 40-19 S
de Originalbetriebsanleitung
en Original instructions
fr Notice originale
es Manual original
pt Manual original
it Istruzioni originali
nl Oorspronkelijke
da Original brugsanvisning
sv Bruksanvisning i original
no Original driftsinstruks
fi Alkuperäiset ohjeet
el Πρωτότυπο οδηγιών χρήσης
tr Orijinal işletme talimat Page 1 Monday, May 3, 2010 2:01 PM
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F 016 L70 667 | (30.4.10) Bosch Power Tools
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Deutsch . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seite 7
English . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 24
Français . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 39
Español. . . . . . . . . . . . . . . . . . . . . . . . . . . .Página 57
Português. . . . . . . . . . . . . . . . . . . . . . . . . .Página 75
Italiano . . . . . . . . . . . . . . . . . . . . . . . . . . . .Pagina 92
Nederlands . . . . . . . . . . . . . . . . . . . . . . . . .Pagina 110
Dansk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side 126
Svenska . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sida 141
Norsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side 155
Suomi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Sivu 170
Ελληνικά . . . . . . . . . . . . . . . . . . . . . . . . . . . Σελίδα 184
Türkçe . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Sayfa 202 Page 2 Friday, April 30, 2010 9:39 AM
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F 016 L70 667 | (30.4.10) Bosch Power Tools
4 |
3-4 mm
14 15
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F 016 L70 667 | (30.4.10) Bosch Power Tools
50 mm
50 mm
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24 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
Safety Notes
Explanation of symbols
instructions. Failure to follow
the warnings and instructions
may result in electric shock, fire
and/or serious injury.
Remove the plug from the
socket or mains immediately
before carrying out any adjust-
ments, servicing or mainte-
nance or if the cable is dam-
aged or cut.
Do not use the machine in the
rain or leave it outdoors when
it is raining.
Obtain and wear eye and ear
protection at all times while
operating the power tool.
The kickback brake and the
run-down brake stop the
chain saw within short time.
General Power Tool Safety Warnings
Read all safety warnings and all
instructions. Failure to follow
the warnings and instructions may result in elec-
tric shock, fire and/or serious injury.
Save all warnings and instructions for future
The term “power tool” in the warnings refers to
your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
1) Work area safety
a) Keep work area clean and well lit. Clut-
tered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the
dust or fumes.
c) Keep children and bystanders away
while operating a power tool. Distrac-
tions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet.
Never modify the plug in any way. Do not
use any adapter plugs with earthed
(grounded) power tools. Unmodified
plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or
grounded surfaces, such as pipes, radia-
tors, ranges and refrigerators. There is
an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions. Water entering a power tool
will increase the risk of electric shock.
d) Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging
the power tool. Keep cord away from
heat, oil, sharp edges and moving parts.
Damaged or entangled cords increase the
risk of electric shock.
e) When operating a power tool outdoors,
use an extension cord suitable for out-
door use. Use of a cord suitable for out-
door use reduces the risk of electric
f) If operating a power tool in a damp loca-
tion is unavoidable, use a residual cur-
rent device (RCD) protected supply. Use
of an RCD reduces the risk of electric
3) Personal safety
a) Stay alert, watch what you are doing and
use common sense when operating a
power tool. Do not use a power tool
while you are tired or under the influ-
ence of drugs, alcohol or medication. A
moment of inattention while operating
power tools may result in serious person-
al injury.
b) Use personal protective equipment. Al-
ways wear eye protection. Protective
equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protec-
tion used for appropriate conditions will
reduce personal injuries.
WARNING Page 24 Friday, April 30, 2010 9:39 AM
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Bosch Power Tools F 016 L70 667 | (30.4.10)
c) Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or bat-
tery pack, picking up or carrying the
tool. Carrying power tools with your fin-
ger on the switch or energising power
tools that have the switch on invites acci-
d) Remove any adjusting key or wrench be-
fore turning the power tool on. A wrench
or a key left attached to a rotating part of
the power tool may result in personal inju-
e) Do not overreach. Keep proper footing
and balance at all times. This enables
better control of the power tool in unex-
pected situations.
f) Dress properly. Do not wear loose cloth-
ing or jewellery. Keep your hair, clothing
and gloves away from moving parts.
Loose clothes, jewellery or long hair can
be caught in moving parts.
g) If devices are provided for the connec-
tion of dust extraction and collection fa-
cilities, ensure these are connected and
properly used. Use of dust collection can
reduce dust-related hazards.
4) Power tool use and care
a) Do not force the power tool. Use the cor-
rect power tool for your application. The
correct power tool will do the job better
and safer at the rate for which it was de-
b) Do not use the power tool if the switch
does not turn it on and off. Any power
tool that cannot be controlled with the
switch is dangerous and must be re-
c) Disconnect the plug from the power
source and/or the battery pack from the
power tool before making any adjust-
ments, changing accessories, or storing
power tools. Such preventive safety
measures reduce the risk of starting the
power tool accidentally.
d) Store idle power tools out of the reach of
children and do not allow persons unfa-
miliar with the power tool or these in-
structions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
e) Maintain power tools. Check for mis-
alignment or binding of moving parts,
breakage of parts and any other condi-
tion that may affect the power tool’s op-
eration. If damaged, have the power tool
repaired before use. Many accidents are
caused by poorly maintained power tools.
f) Keep cutting tools sharp and clean. Prop-
erly maintained cutting tools with sharp
cutting edges are less likely to bind and
are easier to control.
g) Use the power tool, accessories and tool
bits etc. in accordance with these in-
structions, taking into account the work-
ing conditions and the work to be per-
formed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
5) Service
a) Have your power tool serviced by a qual-
ified repair person using only identical
replacement parts. This will ensure that
the safety of the power tool is maintained.
Chain Saw Safety Warnings
f Keep all parts of the body away from the
saw chain when the motor is operating. Be-
fore you start the chain saw, make sure the
saw chain is not contacting anything. A mo-
ment of inattention while operating chain
saws may cause entanglement of your cloth-
ing or body with the saw chain.
f Hold the power tool by insulated gripping
surfaces only, because the saw chain may
contact hidden wiring or its own cord. Saw
chains contacting a “live” wire may make ex-
posed metal parts of the power tool “live”
and could give the operator an electric
shock. Page 25 Friday, April 30, 2010 9:39 AM
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26 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
f Always hold the chain saw with your right
hand on the rear handle and your left hand
on the front handle. Holding the chain saw
with a reversed hand configuration increases
the risk of personal injury and should never
be done.
f Wear safety glasses and hearing protection.
Further protective equipment for head,
hands, legs and feet is recommended. Ade-
quate protective clothing will reduce person-
al injury by flying debris or accidental contact
with the saw chain.
f Do not operate a chain saw in a tree. Oper-
ation of a chain saw while up in a tree may re-
sult in personal injury.
f Always keep proper footing and operate the
chain saw only when standing on fixed, se-
cure and level surface. Slippery or unstable
surfaces such as ladders may cause a loss of
balance or control of the chain saw.
f When cutting a limb that is under tension
be alert for spring back. When the tension in
the wood fibres is released the spring loaded
limb may strike the operator and/or throw
the chain saw out of control.
f Use extreme caution when cutting brush
and saplings. The slender material may catch
the saw chain and be whipped toward you or
pull you off balance.
f Carry the chain saw by the front handle
with the chain saw switched off and away
from your body. When transporting or stor-
ing the chain saw, always fit the guide bar
cover. Proper handling of the chain saw will
reduce the likelihood of accidental contact
with the moving saw chain.
f Follow instructions for lubricating, chain ten-
sioning and changing accessories. Improperly
tensioned or lubricated chain may either break
or increase the chance for kickback.
f Keep handles dry, clean, and free from oil
and grease. Greasy, oily handles are slippery
causing loss of control.
f Cut wood only. Don’t use chain saw for pur-
poses not intended. For example: do not
use chain saw for cutting plastic, masonry
or non-wood building materials. Use of the
chain saw for operations different than in-
tended could result in a hazardous situation.
Causes and operator prevention of kickback:
– Kickback may occur when the nose or tip of the
guide bar touches an object, or when the wood
closes in and pinches the saw chain in the cut.
– Tip contact in some cases may cause a sudden
reverse reaction, kicking the guide bar up and
back towards the operator.
– Pinching the saw chain along the top of the
guide bar may push the guide bar rapidly back
towards the operator.
– Either of these reactions may cause you to lose
control of the saw which could result in serious
personal injury. Do not rely exclusively upon the
safety devices built into your saw. As a chain saw
user, you should take several steps to keep your
cutting jobs free from accident or injury.
Kickback is the result of tool misuse and/or in-
correct operating procedures or conditions and
can be avoided by taking proper precautions as
given below:
f Maintain a firm grip, with thumbs and fin-
gers encircling the chain saw handles, with
both hands on the saw and position your
body and arm to allow you to resist kick-
back forces. Kickback forces can be control-
led by the operator, if proper precautions are
taken. Do not let go of the chain saw.
f Do not overreach and do not cut above
shoulder height. This helps prevent unin-
tended tip contact and enables better con-
trol of the chain saw in unexpected situa-
f Only use replacement bars and chains spec-
ified by the manufacturer. Incorrect replace-
ment bars and chains may cause chain break-
age and/or kickback.
f Follow the manufacturer’s sharpening and
maintenance instructions for the saw chain.
Decreasing the depth gauge height can lead
to increased kickback.
f Children and juveniles, with the exception of
apprentices older than 16 years and under su-
pervision, may not operate the chain saw. The
same applies for persons who do not or do
not sufficiently know how to handle the chain
saw. The operating instructions should always
be ready to hand. Persons unfit or tired must
not operate the chain saw. Page 26 Friday, April 30, 2010 9:39 AM
Page: 26
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Bosch Power Tools F 016 L70 667 | (30.4.10)
f Always ensure all handles and guards are
fitted when using the machine. Never at-
tempt to use an incomplete machine or one
fitted with an unauthorized modification.
It is recommended that the first time user
should have practical instruction in the use of
the chainsaw and the protective equipment
from an experienced operator. The initial prac-
tice should be cutting logs on a saw horse or
f Always wait until the machine has come to
a complete stop before placing it down. The
tool insert can jam and lead to loss of control
over the power tool.
f Never use the machine with a damaged ca-
ble. Do not touch the damaged cable and
pull the mains plug when the cable is dam-
aged while working. Damaged cables in-
crease the risk of an electric shock.
Functional Description
Read all safety warnings and all in-
structions. Failure to follow the
warnings and instructions may re-
sult in electric shock, fire and/or se-
rious injury.
Intended Use
The power tool is intended for sawing wood
such as wooden beams, planks, branches, tree
trunks, etc., and for sawing of trees. Cuts can be
sawed with or across the grain.
This power tool is not suitable for sawing miner-
al materials.
Delivery Scope
Carefully remove the machine from its packag-
ing and check if the following parts are com-
– Chain saw
– Cover
– Chain
– Chain bar
– Chain guard
– Saw chain oil (80 ml)
– Operating instructions
When parts are missing or damaged, please con-
tact your dealer.
Product Features
The numbering of the product features refers to
the illustration of the machine on the graphics
1 Rear handle
2 On/Off switch
3 Lock-off button for On/Off switch
4 Oil filler cap
5 Activation lever for kickback brake (hand
6 Deactivation mark “for kickback brake”
7 Front handle
8 Serial number
9 Nose sprocket (AKE 35-19 S/AKE 40-19 S)
10 Chain guard
11 Saw chain
12 Chain bar
13 Gripping teeth
14 Chain-tensioning ring (red)
15 Locking knob
16 Cover
17 Symbol for rotation and cutting direction
18 Drive sprocket
19 Oil outlet
20 Guide fin for chain bar
21 Fastening bolt
22 Chain catch bolt
23 Chain tensioning catch
24 Power plug**
25 Extension cable*
26 Oil level gauge
27 Ventilation slots
28 Red dot
29 Protective lid of chain-tensioning mecha-
** country specific
*Accessories shown or described are not part of the
standard delivery scope of the product. A complete
overview of accessories can be found in our acces-
sories program. Page 27 Friday, April 30, 2010 9:39 AM
Page: 27
28 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
Technical Data
Noise/Vibration Information
Measured sound values determined according
to 2000/14/EC.
Typically the A-weighted noise levels of the
product are: Sound pressure level 95 dB(A);
sound power level 103 dB(A). Uncertainty
K=3 dB.
Wear hearing protection!
Vibration total values (triax vector sum) deter-
mined according to EN 60745:
Vibration emission value ah =6.0 m/s2
, Uncer-
tainty K =1.5 m/s2
The vibration emission level given in this infor-
mation sheet has been measured in accordance
with a standardised test given in EN 60745 and
may be used to compare one tool with another.
It may be used for a preliminary assessment of
The declared vibration emission level repre-
sents the main applications of the tool. However
if the tool is used for different applications, with
different accessories or poorly maintained, the
vibration emission may differ. This may signifi-
cantly increase the exposure level over the total
working period.
An estimation of the level of exposure to vibra-
tion should also take into account the times
when the tool is switched off or when it is run-
Chain saw AKE 30-19 S AKE 35-19 S AKE 40-19 S
Article number 3 600 H36 D.. 3 600 H36 E.. 3 600 H36 F..
Rated power input W 1900 1900 1900
Chain speed (no-load) m/s 12 12 12
Chain bar length cm 30 35 40
Chain type 3/8" – 90 3/8" – 90 3/8" – 90
Drive link thickness mm 1.1 (0.043") 1.1 (0.043") 1.1 (0.043")
Amount of drive links 45 52 57
Oil reservoir capacity ml 200 200 200
Automatic chain oiler z z z
Toolless chain tensioning (SDS) z z z
Nose sprocket – z z
Kickback brake z z z
Run down brake z z z
Metal gripping teeth z z z
Weight according to EPTA-Procedure
01/2003 kg 4.3 4.4 4.5
Protection class /II /II /II
The values given are valid for nominal voltages [U] of 230/240 V. For lower voltage and models for specific countries,
these values can vary.
Please observe the article number on the type plate of your machine. The trade names of the individual machines
may vary.
Starting cycles generate brief voltage drops. Interference with other equipment/machines may occur in case of un-
favourable mains system conditions. Malfunctions are not to be expected for system impedances below 0.25 ohm. Page 28 Friday, April 30, 2010 9:39 AM
Page: 28
English | 29
Bosch Power Tools F 016 L70 667 | (30.4.10)
ning but not actually doing the job. This may sig-
nificantly reduce the exposure level over the to-
tal working period.
Identify additional safety measures to protect
the operator from the effects of vibration such
as: maintain the tool and the accessories, keep
the hands warm, organisation of work patterns.
Declaration of Conformity
We declare under our sole responsibility that
the product described under “Technical data” is
in conformity with the following standards or
standardization documents: EN 60745 accord-
ing to the provisions of the directives
2004/108/EC, 2006/42/EC, 2000/14/EC.
EC Type Certification No. 3400653.01 CE by no-
tified testing agency No. 2140.
2000/14/EC: Guaranteed sound power level
105 dB(A).
Conformity assessment procedure according to
Annex V.
Equipment category: 6
Technical file at:
Bosch Lawn and Garden Ltd., PT-LG/EAE,
Stowmarket, Suffolk IP14 1EY, England
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
For Your Safety
f Warning! Switch off, remove plug from
mains before adjusting, cleaning or if cable
is cut, damaged or entangled.
f Caution! Do not touch the rotating chain.
f Do not operate the chain saw near other
people, children or animals. Do not operate
the chain saw after drinking alcohol or un-
der the influence of intoxicating drugs or
Electrical Safety
Your machine is double insulated for safety and
requires no earth connection. The operating
voltage is 230 V AC, 50 Hz (for non-EU countries
220 V, 240 V as applicable). Only use approved
extension cables. Contact your Bosch Service
Centre for details.
Only extension cables of design type H07 RN-F
or IEC (60245 IEC 66) are permitted for use.
If you want to use an extension cable when op-
erating your product, only the following cable di-
mensions should be used:
– 1.0 mm2
: max. length 40 m
– 1.5 mm2
: max. length 60 m
– 2.5 mm2
: max. length 100 m
It is recommended for increased electrical safe-
ty to use a Residual Current Device (RCD) with
a tripping current of not more than 30 mA. Al-
ways check your RCD every time you use it.
For products not sold in GB:
WARNING: For your safety, it is required that
the plug attached to the machine is connected
with the extension cord. The coupling of the ex-
tension cord must be protected against splash
water, be made of rubber or coated with rubber.
The extension cord must be used with a cable
strain relief.
The connection lead must be inspected for signs
of damage at regular intervals and may only be
used if in perfect conditions.
If the supply cord is damaged, it must be re-
placed by a Bosch Service Centre.
Products sold in GB only: Your product is fitted
with an BS 1363/A approved electric plug with
internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets,
it should be cut off and an appropriate plug fit-
ted in its place by an authorised customer serv-
ice agent. The replacement plug should have the
same fuse rating as the original plug.
The severed plug must be disposed of to avoid a
possible shock hazard and should never be in-
serted into a mains socket elsewhere.
Products sold in AUS and NZ only: Use a resid-
ual current device (RCD) with a rated residual
current of 30 mA or less.
Dr. Egbert Schneider
Senior Vice President
Dr. Eckerhard Strötgen
Head of Product
Certification Page 29 Friday, April 30, 2010 9:39 AM
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30 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
Mounting and Tensioning the Chain Saw
f Do not connect the chain saw to mains be-
fore it is completely assembled.
f Always wear protective gloves when han-
dling the chain.
Chain and Chain Bar Assembly (see figure A)
– Unpack all parts carefully.
– Align the 2 arrows on the chain-tensioning
ring 14 and the cover 16 ( ).
– Place the chain saw on any suitable flat sur-
f Use only chains with a drive link thickness
of 1.1 mm.
– Slide the saw chain 11 in the slot around the
chain bar 12. Ensure the saw chain is in the
correct running direction by comparing the
saw chain with the rotation symbol 17. Take
care that the chain tensioning catch 23 faces
outward. The saw chain 11 is slid on easier
when holding the chain bar 12 vertical.
– Fit the chain links around the drive sprocket
18 and mount the chain bar 12 in such a man-
ner that the guide fins 20 in front and behind
the fastening bolt 21 engage into the keyway
of the chain bar 12.
– Check if all parts are seated properly and
hold the chain bar and the chain in this posi-
– Fit the cover 16 exactly, check that arrows
are still aligned and take care that the chain
catch bolt 22 engages into the groove of the
cover plate 16.
– Lightly tighten the cover 16 with the locking
knob 15.
– The chain is not yet tensioned. The saw chain
is tensioned as described in section “Ten-
sioning the Saw Chain”.
15 Page 30 Friday, April 30, 2010 9:39 AM
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Bosch Power Tools F 016 L70 667 | (30.4.10)
Tensioning the Saw Chain (see figure A)
Always check the chain tension before use, after
the first cuts and regularly during use approx.
every 10 minutes. Upon initial operation, new
chains can lengthen considerably.
The chain life of the saw chain mainly depends
upon sufficient lubrication and correct tension-
Avoid tensioning the chain if it is hot, as this will
cause the chain to become overtensioned and
face too tightly against the chain bar when it
cools down.
– Place the chain saw on any suitable flat sur-
– Turn locking knob 15 approx. 1 – 3 turns anti-
clockwise to loosen the chain bar.
– Check if the chain links are correctly located
in the slot around the chain bar 12 and on the
drive sprocket 18.
– Turn the red chain-tensioning ring 14 clock-
wise ratcheting until the correct chain ten-
sion is reached. The ratchet mechanism pre-
vents the chain tension from loosening. If the
chain-tensioning ring 14 is hard to turn, loos-
en the locking knob 15 further in anticlock-
wise direction. The locking knob 15 may also
turn, when adjusting the chain-tensioning
ring 14.
– The saw chain 11 is correctly tensioned when
it can be raised approx. 3 – 4 mm from the
chain bar in the centre. This should be done
by using one hand to raise the saw chain
against the weight of the machine.
– If the saw chain 11 is overtensioned, turn the
chain-tensioning ring 14 in anticlockwise di-
Clamping the Chain Bar
– When the chain 11 is tensioned, clamp the
chain bar 12 by turning the locking knob 15
in clockwise direction. Do not use a tool for
Saw-chain Lubrication
(see figures A–B)
Note: The chain saw is not supplied filled with
oil. It is essential to fill with oil before use. Op-
erating the chain saw without chain oil or when
the oil level is below the minimum mark will re-
sult in damage to the chain saw.
Chain life and cutting capacity depend on opti-
mum lubrication. Therefore, the chain is auto-
matically lubricated with chain oil during opera-
tion via the oil outlet 19.
Filling the oil reservoir:
– Set chain saw on any suitable surface with
the oil filler cap 4 facing upward.
– Clean area around the oil filler cap 4 with a
cloth and unscrew the cap.
– Do not remove filter insert during filling.
– Add Bosch biodegradable chain saw oil until
reservoir is full.
– Avoid dirt or debris from entering the oil res-
ervoir. Screw on oil filler cap 4 again and
Note: Important: To allow venting of the oil res-
ervoir, small breather channels are provided be-
tween the oil filler cap and the strainer. To pre-
vent leakage ensure chain saw is left in a
horizontal position (oil filler cap 4 uppermost)
when not in use.
Note: It is important to use only the recom-
mended biodegradable oil to avoid damage to
the chain saw. Never use recycled/old oil. Use of
non approved oil will invalidate the warranty.
15 14
3 – 4 mm
15 Page 31 Friday, April 30, 2010 9:39 AM
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32 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
Initial Operation
f Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the nameplate of the
machine. Power tools marked with 230 V
can also be operated with 220 V.
Switching On and Off
Hold the chain saw as described in section
“Working with the Chain Saw”.
To start the machine, first push the lock-off but-
ton for the On/Off switch 3 and then press the
On/Off switch 2 and keep it pressed.
When the machine is running, the lock-off but-
ton can be released again.
To switch off the machine, release the On/Off
switch 2.
Note: For safety reasons, the On/Off switch 2
cannot be locked; it must remain pressed during
the entire operation.
Note: Do not stop chain saw after sawing by ac-
tuating the front hand guard 5 (activating the
kickback brake).
Run-down Brake/Kickback Brake
(see figure D)
The chain saw is equipped with two safety fea-
The run-down brake stops the saw chain after
releasing the On/Off switch 2.
The kickback brake is a safety mechanism acti-
vated through the front hand guard 5 when kick-
back occurs. Chain stops immediately.
The following function check should be carried
out at regular intervals. Push the front hand
guard 5 forward (position o) so that the red dot
28 under the mark 6 becomes visible, and briefly
start the chain saw. The saw chain must not
start. To deactivate the kickback brake again,
pull the front hand guard 5 back (position n), so
that the red dot 28 under the mark 6 is covered.
Working with the Chain Saw
Before Cutting
Before starting operation and periodically dur-
ing cutting, carry out the following checks:
– Is the chain saw in a fail-safe condition?
– Is the oil reservoir filled? Check oil level gauge
prior to starting and regularly during opera-
tion. Refill oil when oil level has reached the
bottom edge of the viewing glass. The oil tank
filling will last approx. 15 minutes, depending
on sawing intensity and stops.
– Is the saw chain properly tensioned and
sharp? Check chain tension every 10 minutes
during operation. Upon initial operation, new
chains can lengthen considerably. The condi-
tion of the chain influences the cutting per-
formance. Only a sharp chain protects from
– Is the kickback brake deactivated and its
function ensured?
– Are you wearing the required protective
equipment? Wear safety glasses and hearing
protection. Further protective equipment for
head, hands, legs and feet is recommended.
Suitable protective clothing reduces the dan-
ger of injury from thrown about cutting mate-
rial and accidental touching of the saw chain.
Kickback (see figure D)
Kickback is the sudden backward/upward mo-
tion of the chain saw, occuring when the chain
(at the tip of the chain bar) comes in contact
with a log or wood, or when the chain becomes
When kickback occurs, the chainsaw reacts un-
predictable and can cause heavy injuries to the
operator or bystanders.
Particular attention must be given when sawing
sidewards, slanted or during length cuts, as the
gripping teeth 13 usually can not be applied.
To avoid kickback:
– Saw with the chain bar at a flat angle.
– Never work with a loose, widely stretched or
heavily worn out saw chain.
– Sharpen the saw chain as specified.
– Never saw above shoulder height. Page 32 Friday, April 30, 2010 9:39 AM
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Bosch Power Tools F 016 L70 667 | (30.4.10)
– Never work with the tip of the chain.
– Always hold a chain saw firmly with both
– Always use a Bosch low-kickback saw chain.
– Apply the metal gripping teeth 13 for lever-
– Ensure correct chain tension.
General Behaviour (see figures D – G)
Always hold the chain saw firmly with both
hands. Front handle with the left hand and rear
handle with the right hand. Fully grip both han-
dles with thumb and fingers at all times during
operation. Never operate chain saw using only
one hand. Ensure power cord is located to the
rear, and keep it out of the range of the saw
chain and cutting material; position yourself in
such a manner that the mains cable can not get
caught in branches and twigs.
Use the chain saw only with secure footing. Hold
the chain saw at the right-hand side of your body.
The chain must be running at full speed before
it makes contact with the wood. Use the grip-
ping teeth 13 to support the chain saw on the
wood. Use the gripping teeth as a leverage point
while cutting.
Reset the gripping teeth at a lower point when
sawing thicker logs or tree trunks. For this, pull
the chain saw slightly backwards until the grip-
ping teeth release, and reposition at lower level
to continue sawing. Do not remove the chain
saw completely out of the cut.
Do not force the saw chain while cutting, let the
chain do the work, using the gripping teeth 13 to
apply minimal leverage pressure.
Never operate the chain saw with arms fully ex-
tended. Do not attempt to saw areas which are
difficult to reach, or on a ladder. Never saw
above shoulder height.
Sawing is optimized when the chain speed re-
mains steady during cutting.
Beware when reaching the end of the cut. The
weight of the chain saw changes unexpectedly
as it cuts free from the wood. Danger of injury to
the legs and feet.
Always remove the chain saw from a wood cut
while the saw chain is running.
Cutting Logs (see figures E and H)
When cutting logs, observe the following safety
Support logs so that the face sides at the cut do
not close in against each other, which would re-
sult in the chain being jammed.
Position and set short logs safely before sawing.
Saw only wood or wooden objects. When saw-
ing, always take care to avoid hitting stones,
nails, etc., as these could be thrown up, could
cause damage to the chain, or could result in se-
rious injury to the operator or bystanders.
Keep a running chain saw clear of wire fencing
or the ground.
Use of the saw to thin out branches or bushes is
not approved.
Length cuts must be carried out with particular
care, as leverage with the gripping teeth 13 is
not possible. Saw at a flat angle to avoid kick-
When working on a slope, operate above or to
the side of the trunk or laying tree.
Be careful not to trip over tree stumps, branch-
es, roots, etc.
Cutting Wood under Tension (see figure H)
f Be extremely careful when sawing wood,
branches or trees under tension. Leave saw
jobs like these to trained professionals.
There is a high risk of accidents.
When sawing logs supported on both ends, start
the cut from above (Y) about one third of the di-
ameter into the log and then finish the cut at the
same spot from below (Z), in order to avoid
splitting of the log or jamming of the saw. Avoid
contact of the saw chain with the ground.
When sawing logs supported on only one end,
start the cut from below (Y) about one third of
the diameter into the log and then finish the cut
at the same spot from above (Z), in order to
avoid splitting of the log or jamming of the saw.
Felling Trees (see figure I)
f Always wear hard hat to protect head
against falling branches. Page 33 Friday, April 30, 2010 9:39 AM
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34 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
f The chain saw may only be used to fell trees
smaller in diameter than the length of the
chain bar.
f Secure the work area. Ensure no persons or
animals are in the vicinity of the falling tree
f Never attempt to free a jammed chain saw
with the motor running. Use wooden wedg-
es to free a jammed chain saw.
When cutting and felling operations are being
performed by two or more persons at the same
time, the felling operations should be separated
from the cutting operations by a distance of at
least twice the height of the tree being felled.
Trees should not be felled in a manner that
would endanger any person, strike any utility
line or cause any property damage. If the tree
does make contact with a utility line, the compa-
ny should be notified immediately.
The chain saw operator should keep on the up-
hill side of the terrain as the tree is likely to roll
or slide downhill after it is felled.
An escape path (o) should be planned and
cleared as necessary before cuts are started.
The escape path should extend back and diago-
nally to the rear of the expected line of fall.
Before felling is started, consider the natural
lean of the tree, the location of larger branches
and the wind direction to judge which way the
tree will fall.
Remove dirt, stones, loose bark, nails, staples,
and wire from the tree.
Notching undercut: Make the notch (X – W) 1/3
the diameter of the tree, perpendicular to the di-
rection of fall. Make the lower horizontal notch-
ing cut first. This will help to avoid pinching ei-
ther the saw chain or the guide bar when the
second notch is being made.
Felling back-cut: Make the felling back-cut (Y)
at least 50 mm higher than the horizontal notch-
ing cut. Carry out the felling back-cut parallel to
the horizontal notching cut. Make the felling
back-cut so that enough wood is left to act as a
hinge. The hinge-wood keeps the tree from
twisting and falling in the wrong direction. Do
not cut through the hinge.
As the felling gets close to the hinge, the tree
should begin to fall. If there is any chance that
the tree may not fall in the desired direction or
may rock back and bind the saw chain, stop cut-
ting before the felling back-cut is complete and
use wedges of wood, plastic or aluminium to
open the cut and drop the tree along the desired
line of fall.
When the tree begins to fall, remove the chain
saw from the cut, stop the motor, put the chain
saw down, then use the retreat path planned.
Be alert for overhead limbs falling and watch
your footing.
Drive a wedge (Z) into the horizontal cut to
make the tree fall.
When the tree begins to fall, leave the danger ar-
ea via the retreat path planned. Be alert for over-
head limbs falling and watch your footing.
Limbing a Tree (see figure K)
Limbing is removing the branches from a fallen
tree. When limbing, leave larger lower limbs to
support the log off the ground. Remove the
small limbs in one cut as illustrated in the figure.
Branches under tension should be cut from the
bottom up to avoid binding the chain saw.
Bucking a Log (see figures L – O)
Bucking is cutting a log into lengths. It is impor-
tant to make sure your footing is firm and your
weight is evenly distributed on both feet. When
possible, the log should be raised and support-
ed by the use of limbs, logs or chocks. Follow
the simple directions for easy cutting.
When the log is supported along its entire
length, it is cut from the top (overbuck).
When the log is supported on one end, cut 1/3
the diameter from the underside (underbuck).
Then make the finished cut by overbucking to
meet the first cut.
When the log is supported on both ends, cut 1/3
the diameter from the top overbuck. Then make
the finished cut by underbucking the lower 2/3
to meet the first cut. Page 34 Friday, April 30, 2010 9:39 AM
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English | 35
Bosch Power Tools F 016 L70 667 | (30.4.10)
When bucking on a slope, always stand on the
uphill side of the log. When “cutting through”,
release the cutting pressure near the end of the
cut without relaxing your grip on the chain saw
handles in order to maintain complete control.
Don’t let the chain contact the ground. After
completing the cut, wait for the saw chain to
stop before you move the chain saw. Always
stop the chain saw motor before moving from
tree to tree.
The following chart lists problem symptoms, possible causes and corrective action, if your machine
does not operate properly. If these do not identify and correct the problem, contact your service
f Warning: Switch off and remove plug from mains before investigating fault.
Problem Possible Cause Corrective Action
Chain saw fails to
Kickback brake is activated Pull activation lever for kickback brake
(hand guard) 5 back in position n, so
that the red dot 28 is covered
Plug not connected Connect plug
Mains socket faulty Use another socket
Fuse faulty/blown Replace fuse
Extension cable damaged Try without extension cable
Chain saw operates
Mains cable defective Check mains cable and have it
replaced, if required
External or internal wiring defect Contact your Bosch Service Centre
On/Off switch 2 defective Contact your Bosch Service Centre
Saw chain dry No oil in reservoir Refill oil
Vent in oil filler cap 4 clogged Clean oil filler cap 4
Oil passage clogged Clean oil passage
Brake does not stop
saw chain
Kickback brake/run-down brake
Contact your Bosch Service Centre
Saw chain/guide bar
No oil in reservoir Refill oil
Vent in oil filler cap 4 clogged Clean oil filler cap 4
Oil passage clogged Clean oil passage
Chain tension too high Adjust chain tension
Dull saw chain Sharpen saw chain or replace
Chain saw rips,
vibrates, does not saw
Chain tension too loose Adjust chain tension
Dull saw chain Sharpen saw chain or replace
Chain worn out Replace saw chain
Chain teeth are facing in the
wrong direction
Reassemble with chain in correct
direction Page 35 Friday, April 30, 2010 9:39 AM
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36 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
Maintenance and Service
Maintenance and Cleaning
f Warning! Switch off, remove plug from
mains before adjusting, cleaning or if cable
is cut, damaged or entangled.
Note: To ensure long and reliable service, carry
out the following maintenance regularly.
Regulary check the chain saw for obvious de-
fects such as loose, dislodged or damaged saw
chain and chain bar, loose fixings and worn or
damaged components.
When disassembling the saw chain, take care
that the chain is first loosened with the chain
tensioning ring 14. Disassembly of the chain
saw without first loosening the saw chain can
damage the chain saw.
Check that covers and guards are undamaged
and correctly fitted. Carry out necessary mainte-
nance or repairs before using.
If the chain saw should fail despite the care tak-
en in manufacture and testing, repair should be
carried out by an authorised customer services
agent for Bosch power tools.
Note: Before returning the chain saw, ensure all
oil in the oil reservoir has been emptied. For
this, remove the sieve from the reservoir, empty
the reservoir and replace the sieve again.
In all correspondence and spare parts orders,
please always include the 10-digit article
number given on the type plate of the chain saw.
Replacing/Changing the Saw Chain and Chain
Bar (see figure A)
Check the saw chain and chain bar according to
section “Tensioning the Saw Chain”.
The circular groove of the chain bar will wear
particularly on the lower edge with time. When
replacing the saw chain, turn the chain bar by
180° to allow even wear, thus extending chain
bar life.
Reverse the chain tensioning catch 23 by removing
the screws and refitting it on the opposited side.
Check the drive sprocket 18. If it is worn out or
damaged due to strain, have it exchanged by an
authorized Bosch after-sales service.
Sharpening the Saw Chain
Have your chain sharpened professionally at
your authorized Bosch after-sales service or
sharpen the chain yourself using the Bosch
sharpening kit or the Dremel Multi power tool
with the appropriate grinder (1453). Observe
the sharpening instructions provided with the
sharpening kit.
Checking the Automatic Oiler
Proper functioning of the automatic saw chain
oiler can be checked by running the chain saw
and pointing the tip of the chain bar towards a
piece of cardboard or paper on the ground. Do
not touch the ground with the chain and ensure
a safety clearance of 20 cm. If an increasing oil
pattern developes, the automatic oiler is operat-
ing fine. If there is no oil pattern despite a full oil
reservoir, see section “Troubleshooting” or con-
tact your authorized Bosch after-sales service.
After Use/Storage
Clean the moulded plastic housing of the chain
saw using a soft brush and clean cloth. Do not
use water, solvents or polishes. Remove all de-
bris, especially from the motor cooling vents.
After 1 – 3 hours of use, remove the cover 16,
the chain bar 12 and the saw chain 11, and clean
them using a brush.
Clean the area under the cover 16, the drive
sprocket 18 and the chain bar assembly from
adherant debris using a brush. Clean the oil out-
let 19 with a clean cloth.
If the chain tensioning mechanism in the cover
16 becomes difficult to operate, remove the pro-
tective lid 29, turn the locking knob 15 and the
chain-tensioning ring 14 against each other, so
that debris is loosened from the mechanism and
can be discarded. Carefully strike or tap out de-
bris from the cover 16. If the mechanism is heav-
ily clogged, use a soft brush or compressed air
for cleaning. Do not use tools of any kind.
(see figure J)
If the chain saw is to be stored for a longer peri-
od of time, clean the saw chain 11 and the chain
bar 12.
Store the chain saw in a secure, dry place, out
of the reach of children. Page 36 Friday, April 30, 2010 9:39 AM
Page: 36
English | 37
Bosch Power Tools F 016 L70 667 | (30.4.10)
Do not place other objects on the chain saw.
Please take care to place down the chain saw
with the oil filler cap 4 facing upward.
When storing in the sales packaging, the oil res-
ervoir must be completely emptied.
Saw chain
AKE 30-19 S . . . . . . . . . . . . . . . . F 016 800 256
AKE 35-19 S . . . . . . . . . . . . . . . . F 016 800 257
AKE 40-19 S . . . . . . . . . . . . . . . . F 016 800 258
Chain bar with saw chain
AKE 30-19 S . . . . . . . . . . . . . . . . F 016 800 259
AKE 35-19 S . . . . . . . . . . . . . . . . F 016 800 260
AKE 40-19 S . . . . . . . . . . . . . . . . F 016 800 261
Chain sharpening/cleaning kit . . F 016 800 262
Saw chain oil, 1 litre . . . . . . . . . 2 607 000 181
Additional accessories
Protective gloves . . . . . . . . . . . . 2 607 000 134
Safety goggles . . . . . . . . . . . . . . F 016 800 178
SNR 19 hearing protection
(sounding proofing level 19 dB(A))
. . . . . . . . . . . . . . . . . . . . . . . . . . 2 607 990 042
SNR 24 hearing protection
(sounding proofing level 24 dB(A))
. . . . . . . . . . . . . . . . . . . . . . . . . . 2 607 990 043
After-sales Service and Customer As-
Our after-sales service responds to your ques-
tions concerning maintenance and repair of your
product as well as spare parts. Exploded views
and information on spare parts can also be
found under:
Our customer service representatives can an-
swer your questions concerning possible appli-
cations and adjustment of products and acces-
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
UB 9 5HJ
Tel. Service: +44 (0844) 736 0109
Fax: +44 (0844) 736 0146
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: +353 (01) 4 66 67 00
Fax: +353 (01) 4 66 68 88
Australia, New Zealand and Pacific Islands
Robert Bosch Australia Pty. Ltd.
Power Tools
Locked Bag 66
Clayton South VIC 3169
Customer Contact Center
Inside Australia:
Phone: +61 (01300) 307 044
Fax: +61 (01300) 307 045
Inside New Zealand:
Phone: +64 (0800) 543 353
Fax: +64 (0800) 428 570
Outside AU and NZ:
Phone: +61 (03) 9541 5555
Republic of South Africa
Customer service
Hotline: +27 (011) 6 51 96 00
Gauteng – BSC Service Centre
35 Roper Street, New Centre
Tel.: +27 (011) 4 93 93 75
Fax: +27 (011) 4 93 01 26
E-Mail: Page 37 Friday, April 30, 2010 9:39 AM
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38 | English
F 016 L70 667 | (30.4.10) Bosch Power Tools
KZN – BSC Service Centre
Unit E, Almar Centre
143 Crompton Street
Tel.: +27 (031) 7 01 21 20
Fax: +27 (031) 7 01 24 46
Western Cape – BSC Service Centre
Democracy Way, Prosperity Park
Tel.: +27 (021) 5 51 25 77
Fax: +27 (021) 5 51 32 23
Bosch Headquarters
Midrand, Gauteng
Tel.: +27 (011) 6 51 96 00
Fax: +27 (011) 6 51 98 80
The machine, accessories and packaging should
be sorted for environmental-friendly recycling.
Only for EC countries:
Do not dispose of power tools in-
to household waste!
According the European Guideline
2002/96/EC for Waste Electrical
and Electronic Equipment and its
implementation into national
right, power tools that are no longer usable
must be collected separately and disposed of in
an environmentally correct manner.
Subject to change without notice. Page 38 Friday, April 30, 2010 9:39 AM

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