Makita Chainsaw DCS3410TH User Manual

Instruction Manual  
Original Instruction Manual  
DCS3410TH  
Important:  
Read this instruction manual carefully before putting the chain saw into operation and strictly observe the safety  
regulations! Only persons who have completed training in working from elevated platforms (cherry pickers, lifts), from  
platforms mounted on ladders or who are procient in climbing with ropes are permitted to operate this chain saw.  
Keep this Instruction Manual!  
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Delivery inventory  
3
2
5
4
1
1. Chain saw  
2. Guide bar  
3. Saw chain  
4. Chain protection cover  
5. Assembly tool  
6. Instruction manual (not shown)  
In case one of the parts listed should not be included in the  
delivery inventory, please consult your sales agent.  
Symbols  
You will notice the following symbols on the chain saw and in the instruction manual:  
Read instruction manual  
and follow the warning-  
and safety precautions!  
I/STOP-switch  
(short-circuit switch)  
Chaine brake  
Fuel and oil mixture  
Chain oil  
Warning  
This saw is to be used  
by properly trained  
operators only.  
Stop engine!  
Particular care  
and caution!  
Engine -manual start  
Saw chain oil  
adjustment screw  
Forbidden!  
Direction of chain  
movement  
Choke lever  
Wear protective helmet,  
eye and ear protection!  
Carburetor adjustment  
First aid  
Wear protective  
gloves!  
Recycling  
CAUTION: Kickback!  
No smoking!  
RE  
Y
Hold the saw with both  
hands while working!  
One-handed use is ex-  
CE-Marking  
No open re!  
tremely hazardous!  
3
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SAFETY PRECAUTIONS  
Power chain saws  
CAUTION:  
This power chain saw may be used only for sawing wood out of doors.  
It is intended for the followung uses depending on its class:  
This chain saw is designed especially for tree care and  
surgery. All work with this chain saw is to be carried out  
by properly trained persons only. Observe all literature,  
procedures and recommendations from the relevant  
professional organisation. Failure to do so constitutes a  
high accident risk! We recommend always using a rising  
platform (cherry picker, lift) for sawing in trees. Rappelling  
techniques are extremely dangerous and require special  
training! The operator must be trained in and familiar with  
the use of safety equipment and working and climbing  
techniques! Always use the appropriate belts, ropes and  
carabiners when working in trees. Always use restraining  
equipment for both the operator and the saw!  
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Professional and mid-class: Use on small, medium and large  
trees: felling, limb removal, cutting to length, thinning.  
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Hobbyklasse:Occasionaluseonsmalltrees,fruit-treecare,felling,  
limb removal, cutting to length.  
Unauthorised users:  
Persons who are not familiar with the Instruction Manual, children,  
young people, and persons under the inuence of drugs, alcohol or  
medication must not use this saw.  
General precautions  
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To ensure correct operation the user has to read this instruc-  
tionmanualtomakehimselffamiliarwiththecharacteristicsofthe  
chain saw. Users insufciently informed will endanger themselves  
as well as others due to improper handling.  
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-
Lend this chain saw only to persons with training and experience  
in the use of tree-surgery saws. Always hand over the instruction  
manual.  
Children and young persons aged under 18 years must not be al-  
lowed to operate the chain saw. Persons over the age of 16 years  
may, however, use the chain saw for the purpose of being trained  
as long as they are under the supervision of a qualied trainer.  
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-
Use chain saws always with the utmost care and attention.  
Operate the chain saw only if you are in good physical condition. If  
you are tired, your attention will be reduced. Be especially careful  
at the end of a working day. Perform all work calmly and carefully.  
The user has to accept liability for others.  
1
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Never work under the inuence of alcohol, drugs or medication.  
Areextinguishermustbeavailableintheimmediatevicinitywhen  
working in easily inammable vegetation or when it has not rained  
for a long time (danger of re).  
Protective equipment  
-
In order to avoid head, eye, hand or foot injuries as well as  
to protect your hearing the following protective equipment  
must be used during operation of the chain saw:  
-
The kind of clothing should be appropriate, i. e. it should be tight-  
tting but not be a hindrance. Do not wear jewellery or clothing  
which could become entangled with bushes or shrubs. If you have  
long hair, always wear a hairnet!  
2
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It is necessary to wear a protective helmet whenever working  
with the chain saw. The protective helmet (1) is to be checked  
in regular intervals for damage and is to be replaced after 5 years  
at the latest. Use only approved protective helmets.  
1
The face shield (2) of the protective helmet (or the goggles)  
protects against sawdust and wood chips. During operation of the  
chain saw always wear a goggle or a face shield to prevent eye  
injuries.  
3
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Wear adequate noise protection equipment (ear muffs (3), ear  
plugs, etc.). Octave brand analysis upon request.  
Theprotectivejacket(4)consistsof22layersofnylonandprotects  
theoperatoragainstcuts.Itisalwaystobewornwhenworkingfrom  
elevated platforms (cherry pickers, lifts), from platforms mounted  
on ladders or when climbing with ropes.  
2
3
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Theprotectivebraceandbiboverall(5)ismadeofanylonfabric  
with 22 layers and protects against cuts. We strongly recommend  
its use.  
Protective gloves (6) made of thick leather are part of the pre-  
scribed equipment and must always be worn during operation of  
the chain saw.  
4
7
During operation of the chain saw safety shoes or safety boots  
(7)ttedwithantiskidsole, steeltoecapsandprotectionfortheleg  
must always to be worn. Safety shoes equipped with a protective  
layer provide protection against cuts and ensure a secure footing.  
For working in trees the safety boots must be suitable for climbing  
techniques.  
5
6
4
4
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Fuels / Refuelling  
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Stop the engine before refuelling the chain saw.  
Do not smoke or work near open res (5).  
Let the engine cool down before refuelling.  
Fuels can contain substances similar to solvents. Eyes and skin  
should not come in contact with mineral oil products. Always wear  
protective gloves when refuelling. Frequently clean and change  
protective clothes. Do not breathe in fuel vapors.  
-
Donotspillfuelorchainoil.Whenyouhavespiltfueloroilimmediately  
clean the chain saw. Fuel should not come in contact with clothes. If  
your clothes have come in contact with fuel, change them ot once.  
Ensure that no fuel or chain oil oozes into the soil (environmental  
protection). Use an appropriate base.  
-
-
5
6
7
Refuellingisnotallowedinclosedrooms.Fuelvaporswill accumulate  
near the oor (explosion hazard).  
-
-
Ensure to rmly tighten the screw caps of the fuel and oil tanks.  
Change the place before starting the engine (at least 3 m from the  
place of refuelling) (6).  
Fuel cannot be stored for an unlimited period of time. Buy only as  
much as will be consumed in the near future.  
Use only approved and marked containers for the transport and  
storage of fuel and chain oil. Ensure children have no access to fuel  
or chain oil.  
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-
3 meters  
Putting into operation  
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-
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Do not work on your own. There must be someone around in  
case of an emergency.  
Ensure that there are no children or other people within the working  
area. Pay attention to any animals in the working area, as well (7).  
Before starting work the chain saw must be checked for  
perfect function and operating safety according to the  
prescriptions.  
Checkespeciallythefunctionofthechainbrake, thecorrectmount-  
ing of the guide bar, the correct sharpening and tightening of the  
chain, the rm mounting of the sprocket guard, the easy motion  
of the throttle lever and the function of the throttle lever lock, the  
cleanliness and dryness of the handles, and the function of the  
ON/OFF switch.  
Put the chain saw only into operation if it is completely assembled.  
Never use the chain saw when it is not completely assembled.  
Before starting the chain saw ensure that you have a safe footing.  
Putthechainsawintooperationonlyasdescribedinthisinstruction  
manual (8). Other starting methods are not allowed.  
When starting the chain saw it must be well supported and securely  
held. The guide bar and chain must not be in contact with any  
object.  
Whenworkingwiththechainsawalwaysholditwithbothhands.  
Take the back handle with the right hand and the tubular handle with  
the left hand. Hold the handles tightly with your thumbs facing your  
ngers. It is extremely dangerous to work with one hand, as the saw  
can fall through the completed cut uncontrolled (high risk of injury).  
Furthermore, it is impossible to control kickback with one hand.  
CAUTION: When releasing the throttle lever the chain will keep  
on running for a short period of time (free-wheeling).  
Continuously ensure that you have a safe footing.  
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-
-
-
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Hold the chain saw such that you will not breathe in the exhaust gas.  
Do not work in closed rooms (danger of poisoning).  
Switchoffthechainsawimmediatelyifyouobserveanychanges  
in its operating behavior.  
The engine must be switched off before checking the chain  
tension, tightening the chain, replacing it or clearing mal-  
functions (9).  
8
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-
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-
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When the sawing device is hit by stones, nails or other hard objects,  
switch off the engine immediately and check the sawing device.  
When stopping work or leaving theworking placeswitch off thechain  
saw (9) and put it down such that nobody is endangered.  
Do not put the overheated power chain saw in dry grass or on any  
inammable objects. The mufer is very hot (danger of re).  
CAUTION: Oil dropping from the chain or guide bar after having  
stoppedthesawchainwillpollutethesoil.Alwaysuseanappropriate  
base.  
Maintenance  
Refuelling  
Sharpening the chain  
Stopping work  
Transport  
Putting out of function  
9
5
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Kickback  
When working with the chain saw dangerous kickbacks may  
-
occur.  
-
Kickback occurs when the upper part of the end of the guide  
bar inadvertently touches wood or other hard objects (10).  
Before the saw chain enters the cut, it can slip to the side or  
jump (caution: high risk of kickback).  
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This causes the saw to be thrown back toward the user with  
great force and out of control. Risk of injury!  
In order to prevent kickback, follow these rules:  
Onlyspecially-trainedpersonsshouldperformplungecuts, i.e.,  
piercing timber or wood with the tip of the saw!  
Always observe the end of the guide bar. Be careful when  
continuing an already started cut.  
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10  
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When starting to cut the chain must be running.  
Ensurethatthechainisalwayssharpenedcorrectly.Payspecial  
attention to the height of the depth limiter.  
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Never cut several branches at the same time. When cutting a  
branch ensure that no other branch is touched.  
When crosscutting a trunk be aware of the trunks next to it.  
Working behavior/Method of working  
-
Only use the chain saw during good light and visibility periods.  
Be aware of slippery or wet areas, and of ice and snow (risk of  
slipping). The risk of slipping is extremely high when working  
on recently peeled wood (bark).  
11  
-
Never work on unstable surfaces. Make sure that there are no  
obstacles in the working area, risk of stumbling.Always ensure  
that you have a safe footing.  
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Never saw above your shoulder height (11).  
Never saw while standing on a ladder (11).  
Never climb a tree and work without the appropriate restraining  
systems for the operator and the saw. We recommend always  
working from a rising platform (cherry picker, lift).  
Do not work leaning too far over.  
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Guide the chain saw in such a way that no part of your body is  
within the elongated swivelling range of the saw (12).  
Use the chain saw for sawing wood only.  
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Avoid touching the ground with the chain saw while it is still  
running.  
12  
13  
14  
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Never use the chain saw for lifting up or removing pieces of  
wood or other objects.  
Remove foreign objects such as sand, stones and nails found  
within the working area. Foreign objects may damage the saw-  
ing device and can cause dangerous kickback.  
When sawing precut timber use a safe support (sawing jack,  
13). Do not steady the workpiece with your foot, and do not  
allow anyone else to hold or steady it.  
Z
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Secure round pieces against rotation.  
For felling and crosscuts the spike bar (13, Z) must be ap-  
plied to the wood to be cut. We also recommend using the  
spike bar when cutting off thick branches.  
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Before performing a crosscut rmly apply the spike bar to the  
timber, only then can the timber be cut with the chain running.  
For this the chain saw is lifted at the back handle and guided  
with the tubular handle. The spike bar serves as a centre of  
rotation. Continue by slightly pressing down the tubular handle  
and simultaneously pulling back the chain saw.Apply the spike  
bar a little bit deeper and once again lift the back handle.  
When the timber must be pierced for cutting or longitudi-  
nal cuts are to be performed it is urgently recommended  
to have this carried out by specially trained persons only  
(high risk of kickback).  
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Do longitudinal - lengthwise - cuts at the lowest possible  
angle (14). Be very careful when doing this type of cut, as the  
spike bar cannot grip.  
-
The saw must be running whenever you remove the chain saw  
from the wood.  
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Whenperformingseveralcutsthethrottlelevermustbereleased  
in between.  
6
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Be careful when cutting splintery wood. Cut pieces of wood  
may be pulled along (risk of injuries).  
When cutting with the upper edge of the guide bar, the chain  
saw may be pushed in the direction of the user if the chain  
gets clamped. For this reason use the lower edge of the bar  
whenever possible. The chain saw will then be pushed away  
from you (15).  
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If the timber is under tension (16), rst cut the pressure side  
(A). Then the crosscut can be performed on the tension side  
(B). Thus clamping of the guide bar can be avoided.  
15  
CAUTION:  
Peoplefellingtreesorcuttingofbranchesmustbespecially  
trained. High risk of injuries!  
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When cutting of branches, the chain saw should be supported  
on the trunk. Do not use the end of the bar for cutting (risk of  
kickback).  
B
A
B
Be aware of branches under tension. Do not cut free branches  
from below.  
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Never perform detensioning cuts while standing on the trunk.  
Before cutting down a tree ensure that  
a) only those people are within the working area which are  
actually involved in cutting down the tree.  
16  
b) every worker involved can withdraw without stumbling (the  
people should withdraw backwards in a diagonal line, i. e.  
at a degree of 45°).  
c) the bottom part of the trunk is free from foreign objects,  
underbrush and branches. Make sure to have a safe footing  
(risk of stumbling).  
45°  
d) the next working place is at least 2 1/2 tree lengths away  
(17). Before cutting down the tree check the direction of fall  
and make sure that there are neither people nor objects  
within a distance of 2 1/2 tree lengths.  
2 1/2  
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Judging the tree:  
45°  
Direction of hanging - loose or dry branches - height of the tree  
- natural overhang - is the tree rotten?  
= cutting down area  
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Take into account the direction and speed of the wind. If strong  
gusts are occurring, do not do any felling. Avoid sawdust (pay  
attention to the direction the wind is blowing)!  
17  
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Cutting the roots:  
Start with the strongest root. First do the vertical and then the  
horizontal cut.  
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Notching the trunk (18, A):  
The notch determines the direction of fall and guides the tree.  
The trunk is notched perpendicular to the direction of fall and  
penetrates 1/3 -1/5 of the trunk diameter. Perform the cut near  
the ground.  
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When correcting the cut, always do so over the whole width of  
the notch.  
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Cut down the tree (19, B) above the bottom edge of the notch  
(D). The cut must be exactly horizontal. The distance between  
both cuts must be approx. 1/10 of the trunk diameter.  
18  
The material between both cuts (C) serves as a hinge. Never  
cut it through, otherwise the tree will fall without any control.  
Insert felling wedges in time.  
Secure the cut only with wedges made of plastic or aluminium.  
Do not use iron wedges. If the saw hits an iron wedge the chain  
can be seriously damaged or torn.  
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When cutting down a tree always stay sidewards of the falling  
tree.  
When withdrawing after having performed the cut, be alert for  
falling branches.  
When working on sloping ground the user of the chain saw  
must stay above or sidewards of the trunk to be cut or the tree  
already cut down.  
19  
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Be alert for trunks which may roll towards you.  
7
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Transport and storage  
-
When changing your location during work switch off the chain  
saw and actuate the chain brake in order to prevent an inadvert-  
ent start of the chain.  
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Never carry or transport the chain saw with the chain running.  
When transporting the chain saw over long distances the guide  
bar protection cover (delivered with the chain saw) must be  
applied.  
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Carry the chain saw with the tubular handle. The guide bar  
points backwards (20). Avoid coming in contact with the mufer  
(danger of burns).  
20  
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Ensuresafepositioningofthechainsawduringcartransportation  
to avoid fuel or chain oil leakage.  
Store the chain saw safely in a dry place. It must not be stored  
outdoors. Keep the chain saw away from children.  
Before storing the chain saw over a long period of time or ship-  
ping it the fuel and oil tanks must be completely emptied.  
Maintenance  
-
Before performing maintenance work switch off the chain  
saw (21) and pull out the plug cap.  
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Before starting work always check the operating safety of the  
chain saw, in particular the function of the chain brake. Make  
sure the saw chain is properly sharpened and tensioned (22).  
21  
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Operate the chain saw only at a low noise and emission level.  
For this ensure the carburetor is adjusted correctly.  
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Regularly clean the chain saw.  
Regularly check the tank cap for tightness.  
Observetheaccidentpreventioninstructionsissuedbytrade  
associationsandinsurancecompanies.Donotperformany  
modications on the chain saw. You will put your safety at  
risk.  
Perform only the maintenance and repair works described in  
the instruction manual. All other work must be carried out by  
MAKITA Service.  
Use only original MAKITA spare parts and accessories.  
22  
Using spare parts other than original MAKITA parts or acceso-  
ries and guide bar/chain combinations or lengths which are not  
approved bring a high risk of accidents. We cannot accept any  
responsibility for accidents and damage resulting from using  
sawing devices or accesories which have not been approved.  
First aid  
For the event of a possible accident, please make sure that a  
rstaidkitisalwaysimmediatelyavailablecloseby.Immediately  
replace any items used from the rst aid box.  
When calling for help, give the following information:  
- Place of the accident  
SERVICE  
- What happened  
23  
- Number of injured people  
- Kind of injuries  
- Your name!  
NOTE  
Individuals with poor circulation who are exposed to excessive  
vibration may experience injury to blood vessels or the nervous  
system.  
Vibration may cause the following symptoms to occur in the ngers,  
handsorwrists:Fallingasleep(numbness),tingling,pain,stabbing  
sensation, alteration of skin colour or of the skin. If any of these  
symptoms occur, see a physician!  
24  
8
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Technical data  
DCS3410TH  
Stroke volume  
cm3  
34  
38  
Bore  
mm  
Stroke  
mm  
30  
Max. power at operating speed  
Max. torque at speed  
kW / rpm  
Nm / rpm  
rpm  
1,4 / 8.500  
1,6 / 6.500  
3.000 / 12.500  
4.500  
Idling speed / max. engine speed with bar and chain  
Coupling speed  
rpm  
Sound pressure level at the workplace LpA, eq per ISO/CD 22868 1) 3) dB (A)  
94,1 / KpA = 2,5  
102,9 / KWA = 2,5  
Sound power level LWA, eq per ISO/CD 22868 1) 3)  
Vibration acceleration ahv, eq per ISO 22867 1) 3)  
- Tubular handle  
dB (A)  
m/s2  
m/s2  
Type  
Type  
Type  
mm  
kg/h  
g/kWh  
l
4,7 / K = 2,0  
5,2 / K = 2,0  
WALBRO WT-778  
electronic  
NGK BPMR 7A  
0,5  
- Rear handle  
Carburetor (diaphragm carburetor)  
Ignition system  
Spark plug  
Electrode gap  
Fuel consumption at max. load per ISO 7293  
Specic consumption at max. load per ISO 7293  
Fuel tank capacity  
0,65  
463  
0,28  
Chain oil tank capacity  
I
0,22  
Mix ratio (fuel/two-stroke oil)  
- when using MAKITA oil  
50 : 1  
- when using Aspen Alkylat (two-stroke fuel)  
- when using other oils  
50 : 1 (2%)  
50 : 1 (quality grade: JASO FC or ISO EGD)  
Chain brake  
Chain speed 2)  
Actuation manually or by kickback  
21  
m/s  
inch  
Z
Sprocket pitch  
3/8 / 1/4  
Number of teeth  
6
/
8
Chain type - see the Extract from the spare-parts list  
Pitch / Driving element strength  
Guide bar, length of a cut  
inch  
cm  
3/8 / .050  
1/4 / .050  
30 / 35  
3,3  
Guide bar type - see the Extract from the spare-parts list  
Weight (fuel tank empty, without chain and guide bar)  
kg  
1) Figures derived in equal part from idle, full-load, and top-speed operation.  
2) At 1.33 times rated speed. 3) Uncertainty (K=).  
1
2
3
4
5
6
7
Denomination of components  
1
2
3
4
5
6
7
8
9
Rear handle  
Safety locking button (throttle lock)  
Throttle lever  
Hand guard (release for chain brake)  
Spike bar (accessories)  
Chain  
15  
14  
13  
9
8
Guide bar  
Chain protection cover  
Retaining nuts  
10 Chain catch (safety device)  
11 Sprocket guard  
12 11 10  
12 Mufer  
16  
17  
18  
13 Spark plug  
14 Serial number  
15 Adjusting screw for oil pump  
16 Front grip (tubular handle)  
17 Starter grip  
26  
25  
18 I/STOP-switch (short-circuit switch)  
19 Carabiner or rope attachment point  
20 Oil tank cap  
24  
21 Fan housing with starting assembly  
22 Fuel tank cap  
23  
23 Air lter cover  
24 Choke switch  
19  
25 Adjusting screws for carburetor  
26 Fuel pump (Primer)  
22 21  
20  
9
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PUTTING INTO OPERATION  
CAUTION:  
Before doing any work on the guide bar or chain, always  
switch off the engine and pull the plug cap off the spark  
plug (see „Replacing the spark plug“). Always wear pro-  
tective gloves!  
CAUTION:  
Donotstartthesawuntilithasbeencompletelyassembled  
and inspected!  
A
Mounting the guide bar and saw chain  
Use the universal wrench delivered with the chain saw for the  
following work.  
Put the chain saw on a stable surface and carry out the following  
steps for mounting the guide bar and chain:  
1
2
Disengage the chain brake by pulling the hand guard (1) in the  
direction of the arrow.  
Unscrew retaining nuts (2).  
Carefully spread the sprocket guard (3), pull it from its xture  
(4) and remove it.  
4
3
B
Turn the chain adjusting screw (5) to the left (counterclockwise)  
until the pin (6) is at the left stop.  
6
5
C
Position the guide bar (7). Make sure that the pin (8) of the chain  
tightener is in the hole on the guide bar.  
7
8
D
10  
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Lift the chain (9) over the sprocket (10). Using your right hand,  
guide the chain into the top guide groove (11) on the guide  
bar.  
Note that the cutting edges along the top of the chain must  
point in the direction of the arrow!  
9
10  
11  
E
9
12  
Pull the chain (9) around the sprocket nose (12) of the guide  
bar in the direction of the arrow.  
F
First, push the sprocket guard (3) into its xture (B/4), then push  
it over the retaining bolts while lifting the saw chain (9) over the  
chain catch (13).  
3
Manually tighten the retaining nuts (2).  
13  
9
2
G
2
Tightening the saw chain  
Turn the chain tightener (C/5) to the right (clockwise)  
until the chain engages the guide groove of the bottom side of  
the bar (see circle).  
Slightly lift the end of the guide bar and turn the chain adjusting  
screw (C/6) to the right (clockwise) until the chain rests against  
the bottom side of the guide bar.  
Whilestillholdingupthetipoftheguidebar, tightentheretaining  
nuts (2) with the universal wrench.  
H
11  
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Checking the chain tension  
The tension of the chain is correct if the chain rests against  
the bottom side of the guide bar and can still be easily turned  
by hand.  
While doing so the chain brake must be released.  
Check the chain tension frequently - new chains tend to get  
longer during use!  
When checking the chain tension the engine must be switched  
off.  
NOTE:  
It is recommended to use 2-3 chains alternatively.  
In order to guarantee uniform wear of the guide bar the bar  
should be turned over whenever replacing the chain.  
A
Chain brake  
The DCS3410 comes with an inertia chain brake as standard  
equipment. If kickback occurs due to contact of the guide-bar tip  
with wood (see SAFETY PRECAUTIONS, page 6), the chain  
brake will stop the chain through inertia if the kickback is suf-  
ciently strong.  
The chain will stop within a fraction of a second.  
Thechainbrakeisinstalledtoblockthesawchainbeforestart-  
ing it and to stop it immediately in case of an emergency.  
IMPORTANT: NEVER run the saw with the chain brake acti-  
vated (except for testing, see “Testing chain brake”)! Doing so  
can very quickly cause extensive engine damage!  
ALWAYS release the chain brake before  
starting the work!  
NOTE:  
The chain brake is a very important safety device and like  
any other component subject to normal wear and tear.  
Regular inspection and maintenance are important for your  
own safety and must be done by a MAKITA service centre.  
SERVICE  
B
Engaging the chain brake (braking)  
2
1
If the kickback is strong enough the sudden acceleration of  
the guide bar combined with the inertia of the hand guard (1)  
will automatically actuate the chain brake.  
1
To engage the chain brake manually, simply push the hand  
guard (1) forward (towards the tip of the saw) with your left  
hand (arrow 1).  
Releasing the chain brake  
Pull the hand guard (1) towards you (arrow 2) until you feel it  
catch. The brake is now released.  
C
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Fuel  
CAUTION:  
This saw is powered by mineral-oil products (gasoline and  
oil).  
Be especially careful when handling gasoline .  
Donotsmoke.Keeptoolwellawayfromopenames,spark,  
or re (explosion hazard).  
Gasoline  
50:1  
50:1  
Fuel mixture  
OIL  
Thistoolispoweredbyahigh-performanceair-cooledtwo-stroke  
engine. It runs on a mixture of gasoline and two-stroke engine  
oil.  
+
The engine is designed for unleaded regular gasoline with a  
min. octane value of 91 ROZ. In case no such fuel is available,  
you can use fuel with a higher octane value. This will not affect  
the engine.  
1000 cm3  
5000 cm3 (5 litres)  
10000 cm3 (10 litres)  
(1 litre)  
20 cm3  
100 cm3  
200 cm3  
20 cm3  
100 cm3  
200 cm3  
In order to obtain an optimum engine output and to protect  
your health and the environment use unleaded fuel only.  
Thoroughly shake the mixture before lling it into the  
chain saw tank.  
To lubricate the engine, use a synthetic oil for two-stroke air-  
cooled engines (quality grade JASO FC or ISO EGD), which  
has to be added to the fuel. The engine has been designed for  
use of MAKITA high-performance two-stroke engine oil and a  
mixture ratio of only 50:1 to protect the environment. In addi-  
tion, a long service life and reliable operation with a minimum  
emission of exhaust gases are ensured.  
It is not wise to add more engine oil than specied  
to ensure safe operation. This will only result in a  
higher production of combus-tion residues which  
will pollute the environment and clog the exhaust  
channel in the cylinder as well as the mufer. In  
addition, fuel consumption will rise and perform-  
ance will decrease.  
MAKITA high-performance two-stroke engine oil is available in  
the following sizes to suit your individual requirements:  
The Storage of Fuel  
Fuelshavealimitedstoragelife. Fuelandfuelmixtures  
age through evaporation, especially at high tempera-  
tures. Aged fuel and fuel mixtures can cause starting  
problems and damage the engine.Purchase only that  
amount of fuel, which will be consumed over the next  
few months. At high temperatures, once fuel has been  
mixed it should be used up in 6-8 weeks.  
1
l
order number 980 008 607  
order number 980 008 606  
100 ml  
In case MAKITA high-performance two-stroke engine oil is not  
available, it is urgently recommended to use a mixture ratio of  
50:1 with other two-stroke engine oils, as otherwise optimum  
operation of the engine cannot be guaranteed.  
Store fuel only in proper containers, in dry, cool,  
secure locations!  
Caution: Do not use ready-mixed fuel from petrol  
stations.  
AVOID SKIN AND EYE CONTACT  
The correct mixture ratio:  
Mineral oil products degrease your skin. If your skin  
comes in contact with these substances repeatedly  
and for an extended period of time, it will desiccate.  
Various skin deseases may result. In addition, allergic  
reactions are known to occur.  
50:1 whenusingMAKITAhigh-performancetwo-strokeengine  
oil, i. e. mix 50 parts gasoline with 1 part oil.  
50:1 when using other synthetic two-stroke engine oils  
(quality grade JASO FC or ISO EGD), i. e. mix 50 parts  
gasoline with 1 part oil.  
Eyescanbeirritatedbycontactwithoil.Ifoilcomesinto  
your eyes, immediately wash them with clear water.  
NOTE:  
For preparing the fuel-oil mixture rst mix the entire oil quan-  
tity with half of the fuel required, then add the remaining fuel.  
If your eyes are still irritated, see a doctor immedi-  
ately!  
D
Chain oil  
Use an oil with adhesive additive for lubricating the chain and  
guide bar. The adhesive additive prevents the oil from being  
ung off the chain too quickly.  
BIOTOP chain oil is available in the following sizes:  
We recommend the use of chain oil which is bio-degradable in  
order to protect the environment. The use of bio-degradable oil  
may even be required by local regulations.  
1 l order number 980 008 610  
5 l order number 980 008 611  
The chain oil BIOTOP sold by MAKITA is made of special  
vegetable oils and is 100% bio-degradable. BIOTOP has been  
granted the „blue angel“ (Blauer Umweltschutz-Engel) for being  
particularly environment-friendly (RAL UZ 48).  
Bio-degradable oil is stable only for a limited period of  
time. It should be used within 2 years from the date of  
manufacture (printed on the container).  
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Important note on bio-degradable chain oils:  
If you are not planning to use the saw again for an ex-  
tended period of time, empty the oil tank and put in a  
small amount of regular engine oil (SAE 30), and then  
run the saw for a time. This is necessary to ush out all  
remaining bio-degradable oil from the oil tank, oil-feed  
system, chain and guide bar, as many such oils tend to  
leave sticky residues over time, which can cause damage  
to the oil pump or other parts.  
The next time you use the saw, ll the tank with BIOTOP  
chain oil again. In case of damage caused by using waste  
oil or unappropriate chain oil the product guarantee will  
be null and void.  
Your salesman will inform you about the use of chain  
oil.  
NEVER USE WASTE OIL  
Waste oil is very dangerous for the environment.  
Waste oil contains high amounts of carcinogenic substances.  
Residues in waste oil result in a high degree of wear and tear  
at the oil pump and the sawing device.  
waste oil  
In case of damage caused by using waste oil or unappropriate  
chain oil the product guarantee will be null and void.  
Your salesman will inform you about the use of chain oil.  
AVOID SKIN AND EYE CONTACT  
Mineral oil products degrease your skin. If your skin comes in  
contact with these substances repeatedly and for an extended  
periodoftime,itwilldesiccate.Variousskindeseasesmayresult.  
In addition, allergic reactions are known to occur.  
Eyes can be irritated by contact with oil. If oil comes into your  
eyes, immediately wash them with clear water.  
If your eyes are still irritated, see a doctor immediately!  
A
Refuelling  
FOLLOW THE SAFETY PRECAUTIONS!  
Be careful and cautious when handling fuels.  
The engine must be switched off!  
Thoroughly clean the area around the caps, to prevent dirt from  
getting into the fuel or oil tank.  
Unscrew the cap and ll the tank with fuel (fuel/oil mixture) or  
chain oil as the case may be. Fill up to the bottom edge of the  
ller neck. Be careful not to spill fuel or chain oil!  
Tighten the tank cap as far as it will go.  
After refuelling, clean the tank cap and surroundings and  
make sure the cap is sealed!  
Lubricating the chain  
fuel/oil mixture  
chain oil  
During operation there must always be sufcient chain oil in  
the chain-oil tank to provide good chain lubrication. One lling  
is sufcient for about one half-hour of continuous operation.  
When working, check that there is still sufcient chain oil in the  
tank and top up if necessary. Check only when the engine  
is switched off!  
B
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Adjusting the chain lubrication  
The engine must be switched off.  
You can adjust the oil pump feed rate with the adjusting screw  
(1). The amount of oil can be adjusted using the universal  
wrench.  
Recommended settings:  
- 25 cm guide bar  
- 30 cm guide bar  
- 35 cm guide bar  
- 40 cm guide bar  
1
C
To ensure troublefree operation of the oil pump the oil guide  
groove at the crank case (2) and the oil inlet bore in the guide  
bar (3) must be cleaned regularly.  
2
3
D
Checking the chain lubrication  
Never work with the chain saw withoute sufcient chain lubrica-  
tion. Otherwise the service life of the chain and guide bar will  
be reduced.  
Before starting work check the oil level in the tank and the oil  
feed.  
Check the oil feed rate as described below:  
Start the chain saw (see ”Starting the engine”).  
Hold the running chain saw approx. 15 cm above a trunk or  
the ground (use an appropriate base).  
If the lubrication is sufcient, you will see a light oil trace be-  
cause oil will be ung off the sawing device. Pay attention to the  
direction the wind is blowing and avoid unnecessary exposure  
to the oil spray!  
Note:  
After the saw has been turned off it is normal for residual chain  
oil to drip from the oil feed system, the guide bar and the chain  
for a time. This does not constitute a defect!  
Place the saw on a suitable surface.  
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Starting the engine  
Donotstartthesawuntilithasbeencompletelyassembled  
and inspected!  
Move at least 3m away from the place where you fuelled the  
saw.  
Make sure you have a good footing, and place the saw on the  
ground in such a way that the chain is not touching anything.  
Engage the chain brake (lock).  
Grasp the rear handle rmly in one hand and hold the saw  
rmly against the ground. Press with one knee on the rear  
handle.  
A
IMPORTANT: The choke switch (5) is coupled to the throttle lever (1). It will revert to its original position automatically once  
the throttle lever has been pressed.  
If the throttle lever is pressed before the engine starts, then the choke switch (5) will have to be reset to the appropriate  
position.  
Cold start:  
Prime the fuel pump (6) by pressing it several times until you  
can see fuel in the pump.  
2
1
Move the short-circuit switch (3) forward in the direction of the  
arrow.  
Turn the choke lever (5) up (see “Cold start” illustration). This  
simultaneously actuates the half-throttle lock.  
3
Slowly pull out the starter cable (4) until you notice resistance  
(the piston is positioned before the top dead centre).  
6
Nowpullthestartercablewithafastandforcefulmovement  
until you hear the rst ignition.  
CAUTION:Donotpulloutthestartercablemorethanapprox.50  
cm, and lead it back by hand. For efcient starting, it is important  
to pull the starter cable quickly and powerfully.  
Turn the choke lever (5) down (see “Warm start” illustration)  
and pull the starter cable again. As soon as the engine is  
running, grasp the rear handle (this actuates the grip safety (2))  
and tap the throttle (1). This will release the half-throttle lock  
and the engine will run in idle.  
4
Caution: The engine is to be run at idling speed immediately  
after starting or damage may occur to the chain brake.  
Now release the chain brake.  
5
5
Warm start:  
As for cold start, except before pulling the starter cable, turn  
the choke lever (5) briey to the “Cold start” position and  
then immediately back to “Warm start” (this activates the  
half-throttle lock).  
Cold start  
Warm starting  
Important: If the fuel tank has been completely emptied and the  
enginehasstoppedduetolackoffuelprimethefuelpump(6)by  
pressing it several times until you can see fuel in the pump.  
Stopping the engine  
Put the short-circuiting switch (3) in position „STOP“.  
B
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Checking the chain brake  
Do not work with the chain saw without rst checking the  
chain brake!  
Start the engine as described (make sure you have a good  
footing, and place the chain saw on the ground in such a way  
that the guide bar is free of contact).  
Grasp the tubular handle rmly with one hand and hold the grip  
with the other.  
7
With the engine running at moderate speed, press the hand  
guard (7) in the direction of the arrow with the back of your  
hand until the chain brake engages. The chain should stop  
immediately.  
Immediately release the throttle and release the chain brake.  
IMPORTANT: If the chain does not stop immediately in this  
test, do not under any circumstances proceed with work.  
Contact a MAKITA service center.  
C
Adjusting the carburetor  
(only for EU-countries)  
9
CAUTION:  
Do not adjust the carburetor until the machine has been  
completely assembled and checked! Do not adjust the  
carburetor without a tachometer!  
8
Carburetor adjustment is necessary for optimum engine  
performance, for safer and more economical operation.  
Adjust the carburetor only with the engine warm, a clean  
air lter, and properly installed cutting tool.  
Carburetor adjustment may be done only by a MAKITA  
service centre. Improper adjustment can cause damage  
to the engine.  
In order to comply with new emissions legislation, limits have  
been placed on the carburetor adjusting screws (H) and (L).  
2. Set idle  
This limitation (to about 180 degrees) prevents an exces-  
sively rich mixture. This in turn ensures compliance with  
emissions rules as well as optimum engine performance and  
economical fuel consumption.  
Set the idle speed per the technical specications.  
Turning the adjusting screw (S) in (clockwise) increases the  
idle speed. Turning it out (counter-clockwise) lowers the idle  
speed. The cutting tool must not rotate!  
You will need a tachometer (8, part No. 950 233 210) for  
optimum adjustment. Exceeding the maximum permissible  
speed can lead to overheating and under-lubricating, and  
damage to the engine!  
3. Check acceleration  
When the throttle is pressed, the engine should go smoothly  
from idle to high speed.  
Factory setting of adjusting screws (H) and (L): Turned out  
almost all the way (counterclockwise).  
Turn adjusting screw (L) out (counterclockwise) in small  
increments until acceleration is good.  
Use a screwdriver (9, blade width 4 mm, part No. 944 340 001)  
to adjust the screws.  
For proper adjustment, proceed as follows:  
4. Set maximum permissible speed  
Checking adjusting screw (H)  
Set the maximum speed by minimal adjustments of the adju-  
stingscrew(H)inaccordancewiththetechnicalspecications.  
Turning the adjusting screw (H) clockwise increases the  
speed. Never exceed the maximum permissible speed!  
Before starting the engine make sure that adjusting screw (H) is  
turned out counterclockwise until it reaches a noticeable stop.  
The limitations do not prevent excessively lean (under-lu-  
bricated) running!  
1. Start engine and let it warm up (3-5 minutes)  
2. Set idle  
5. Check idle speed  
Check the idle speed after setting the top speed (the cutting  
tool must not rotate!).  
3. Check acceleration  
4. Set maximum permissible speed  
5. Check idle speed  
Repeat the adjustment procedure starting at Step 2, until the  
engine runs with the correct idle speed, good acceleration,  
and maximum permissible speed.  
D
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Adjusting the carburetor  
(only for not EU-countries)  
9
Carburetor adjustment is necessary for optimum engine  
performance, for safer and more economical operation. The  
engine should be warm, the air lter clean, and the chain  
properly tensioned. Have carburetor adjustment done by  
an authorised MAKITA service centre.  
8
The carburetor is factory-adjusted for the air pressure at sea  
level. At other elevations or under other conditions of weather,  
temperature, or humidity, or when breaking in a new engine,  
it may be necessary to make slight adjustments to the carbu-  
retor.  
You will need a tachometer (E/8) (part No. 950 233 210) for  
optimum adjustment. Exceeding the maximum permissible  
speed can lead to overheating and under-lubricating, and  
damage to the engine!  
3. Check acceleration  
If not using a tachometer, do not go below the specied  
basic setting of the main nozzle (H). Doing so may cause  
engine damage due to overheating and insufcient lubri-  
cation!  
When the throttle is pressed, the engine should go smoothly  
from idle to high speed.  
If this is too slow, turn the adjusting screw (L) in small (max.  
1/8 turns) increments counter-clockwise.  
Adjust the carburetor using a 4 mm screwdriver. The screw-  
driver shown (E/9) (part No. 944 340 001) has a molded-on  
lug to assist in adjustment.  
4. Set maximum permissible speed  
Set the maximum speed by minimal adjustments of the  
adjusting screw (H) in accordance with the technical  
specications. Turning the adjusting screw (H) clockwise  
increases the speed, turning it counter-clockwise reduces  
the speed.  
Before undertaking the adjustment, run the engine for 3-5 mi-  
nutes to warm it up, but not at high speed!  
For proper adjustment, proceed as follows:  
1. Basic setting (engine off)  
Start engine and let it warm up.  
2. Set idle  
5. Check idle speed  
Check the idle speed after setting the top speed (the chain  
must not move).  
3. Check acceleration  
Repeat the adjustment procedure starting at Step 2, until  
the engine runs with the correct idle speed, good accele-  
ration, and maximum permissible speed.  
4. Set maximum permissible speed  
5. Check idle speed  
Repeat steps 2-5 until you get the right idle speed, good acce-  
leration and maximum permissible speed.  
1. Basic setting  
Carefully turn the adjusting screws for the main nozzle (H)  
and idle nozzle (L) clockwise until you feel a stop.  
Turn adjusting screws (H) and (L) 11/4 turn counter-clockwise.  
2. Set idle  
Set the idle speed per the technical specications.  
Turning the adjusting screw (S) in (clockwise) increases the idle  
speed. Turning it out (counter-clockwise) lowers the idle speed.  
In no case should the chain move.  
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MAINTENANCE  
Sharpening the saw chain  
CAUTION:Beforedoinganyworkontheguidebarorchain,  
always switch off the engine and pull the plug cap off the  
spark plug (see „Replacing the spark plug“). Always wear  
protective gloves!  
The chain needs sharpening when:  
The sawdust produced when sawing damp wood looks like  
wood our.  
The chain penetrates the wood only under great pressure.  
The cutting edge is visibly damaged.  
The saw is pulled to the left or right when sawing. This is caused  
by uneven sharpening of the chain.  
Important: Sharpen frequently, but without removing too  
much metal!  
Generally, 2 or 3 strokes of the le will be enough.  
Have the chain resharpened at a service centre when you have  
already sharpened it yourself several times.  
A
Proper sharpening:  
CAUTION: Use only chains and guide bars designed for  
this saw (see the Extract from the spare-parts list)!  
0,64 mm  
(.025”)  
0,64 mm  
(.025”)  
All cutters must be of the same length (dimension a). Cutters  
with different lengths result in rough running of the chain and  
can cause cracks in the chain.  
Minimumcutterlengthis3mm.Donotresharpenthechainwhen  
the minimum cutter length has been reached; at this point, the  
chain must be replaced (see the Extract from the spare-parts  
list and „Replacing the chain“).  
The depth of the cut is determined by the difference in height  
between the depth limiter (round nose) and the cutting edge.  
min.  
3 mm (0.11Ó)  
The best results are obtained with a depth-limiter depth of  
0.64 mm (.025”).  
CAUTION: Excessive depth  
increases the risk of kickback!  
B
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All cutters must be sharpened to the same angle, 30°. Different  
angles result in a roughly, irregularly running chain, increase  
wear and tear and cause chain beakage.  
The 85° front rake of the cutter results from the cut depth of  
the round le. If the proper le is used in the right manner, the  
correct front rake will be obtained automatically.  
C
Files and how to work with them  
Use a special round le for chains (dia. 4 mm) for sharpening  
the chain. Normal round les are not appropriate for this work.  
See „Accessories“ for the order number.  
The le should cut only when pushed forwards (arrow). Lift the  
le when leading it backwards.  
First sharpen the shortest cutter. The length of this cutter is then  
the standerd for all other cutters of the chain.  
New saw teeth must be led to the exact same shape as the  
used teeth, including on their running surfaces.  
Chain typ  
466  
Chain typ  
092  
File depending on chain type (90° or 10° to the guide bar).  
D
The le holder makes le guidance easier. It is marked for the  
correct 30° sharpening angle (keep the marks parallel with the  
chain when ling, see illustration) and limits the cut depth to  
the correct 4/5 of the le diameter. See „Accessories“ for the  
order number.  
4/5  
30°  
E
After having sharpened the chain, the height of the depth limiter  
mustbecheckedbymeansofachaingauge. SeeAccessories“  
for the order number.  
Correct even the smallest excess height with a special at  
le (12). See „Accessories“ for the order number.  
Round off the front of the depth limiter (13).  
12  
13  
F
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Cleaning the sprocket interior, checking and  
replacing the chain catch sleeve  
CAUTION:Beforedoinganyworkontheguidebarorchain,  
always switch off the engine and pull the plug cap off the  
spark plug (see „Replacing the spark plug“). Always wear  
protective gloves!  
CAUTION: Do not start the saw until it has been completely  
assembled and inspected!  
Remove the sprocket guard (4) (see section on „PUTTING INTO  
OPERATION“ A – B) and clean the interior with a brush.  
1
2
3
Remove the chain (3) and guide bar (2).  
NOTE:  
Make sure that no residue or contaminants remain in the oil  
guide groove (1) and the chain tightener (6).  
5
4
For replacing the guide bar, chain, and sprocket see „PUTTING  
INTO OPERATION“.  
6
Chain catch sleeve  
Visually inspect the chain catch sleeve (5) for damage and  
replace if necessary.  
Remove the sleeve by rmly pulling it upwards and off; then  
push on the new sleeve.  
A
Cleaning the guide bar,  
lubricating the sprocket nose  
CAUTION: Protective gloves must be worn.  
Regularly inspect the bearing surfaces of the guide bar for  
damage, and clean them with a suitable tool.  
If the saw is used intensively it will be necessary to lubricate the  
returnsprocketbearingsregularly(onceaweek).Todothis, rst  
thoroughly clean the 2 mm hole at the tip of the guide bar, and  
then press in a small amount of multi-purpose grease.  
Multi-purpose grease and grease guns are available as acces-  
sories.  
Multi-purpose grease  
Grease guns  
(order number 944 360 000)  
(order number 944 350 000)  
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Replacing the saw chain  
7
CAUTION: Use only chains and guide bars designed for  
this saw (see the Extract from the spare-parts list)!  
Check the sprocket (7) before mounting a new chain.  
Remove the sprocket guard (see ”PUTTING INTO OPERATI-  
ON” A-H)  
CAUTION: Worn out sprockets (8) may damage the new chain  
and must therefore be replaced.  
Replacing the clutch drum and sprocket  
8
Release the chain brake if necessary.  
Lever off the circlip (11) using the universal wrench and remove  
the washer (10).  
9
10  
11  
Pull off the clutch drum together with the sprocket (9) and t a  
new clutch drum and sprocket in reverse order.  
C
Replacing the suction head  
The felt lter (12) of the suction head can become clogged.  
It is recommended to replace the suction head once every  
three months in order to ensure unimpeded fuel ow to the  
carburetor.  
To remove the suction head for replacement, pull it out through  
the tank ller neck using a piece of wire bent at one end to  
form a hook.  
12  
D
Cleaning the air lter  
Unscrew screw (14) and remove the lter cover (13).  
IMPORTANT: Cover the intake opening with a clean cloth in  
order to prevent dirt particles from falling into the carburetor.  
Remove the air lter.  
13  
14  
CAUTION: To prevent injury to the eyes, do NOT blow out  
dirt particles! Do not use fuel to clean the air lter.  
Clean the air lter with a soft brush.  
If the lter is very dirty, clean it in lukewarm water with dish-  
washing detergent.  
Let the air lter dry completely.  
If the lter is very dirty, clean it frequently (several times a day),  
because only a clean air lter provides full engine power.  
CAUTION:  
Replace damaged air lters immediately.  
Pieces of cloth or large dirt particles can destroy the  
engine!  
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Replacing the spark plug  
CAUTION:  
Do not touch the spark plug or plug cap if the engine is  
running (high voltage).  
Switchofftheenginebeforestartinganymaintenancework.  
A hot engine can cause burns. Wear protective gloves!  
0,5 mm  
The spark plug must be replaced in case of damage to the  
insulator, electrode erosion (burn) or if the electrodes are very  
dirty or oily.  
Pulltheplugcap(1)offthesparkplug. Useonlythecombination  
wrench supplied with the saw to remove the spark plug.  
CAUTION: Use only the following spark plugs: NGK BPMR 7A.  
Electrode gap  
1
The electrode gap must be 0.5 mm.  
A
Replacing the starter cable  
Unscrew four screws (2). Remove fan housing (3).  
Remove all pieces of cable.  
Unscrew screw (4). Hold the cable drum (7) rmly and remove  
the drive spindle (5) and spring (6).  
CAUTION: Danger of injury! The return spring unit (9) is  
not secured and can fall out of the fan housing. The return  
spring is under tension and pop out of the unit! If this hap-  
pens, the spring can be replaced in the unit as shown in the  
illustration (note the direction of rotation!).  
Secure the return spring unit (9) against falling out and care-  
fully take off the cable drum (7).  
Thread a new cable (dia. 3 mm, length 900 mm), as shown in the  
illustration (note the stop (11)) and tie a knot in both ends.  
Pull the knots (12) into the cable drum (7) and starter handle (10).  
Put the cord drum back on and turn gently until the return spring  
catches.  
Install the drive spindle (5) and spring (6), screw in the screw  
(4) and tighten.  
2
3
Guide the cable into the space (8) on the drum and use the  
cable to turn the drum two turns clockwise.  
12  
11  
Hold the cable drum with your left hand and with your right hand  
untwist the cable, pull it tight and hold it.  
10  
Carefully release the cable drum. The spring will wind the cable  
around the drum.  
9
Repeat three or four times. The starter grip should now be held  
upright on the fan housing.  
8
7
CAUTION: Danger of injury! Secure the cable grip when  
pulled out! It will whip back if the cable pulley is released  
by accident.  
6
5
NOTE: With the cable pulled all the way out, it must still be  
possible to turn the pulley another 1/4 turn against the return  
spring.  
When replaceing fan housing, it may be necessary to pull the  
starter cable lightly so that the cable pulley catches.  
12  
4
B
23  
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Replacing the return spring unit  
9
Remove and reinstall the fan housing and cable drum (see  
”Replacing the starter cable”).  
Carefully remove the return spring unit (9) from the fan  
housing.  
CAUTION:  
Danger of injury! If the spring is broken it can jump out!  
Carefully t the new return spring unit.  
C
Cleaning the mufer  
CAUTION: If the engine is hot there is a risk of burning.  
Wear protective gloves.  
Remove the sprocket guard (see ”PUTTING INTO OPERATI-  
ON” Fig. B).  
Remove deposits of carbon from the exhaust outlets (13) of  
the mufer.  
13  
D
14  
Cleaning the cylinder space  
15  
Remove the sprocket guard (see ”PUTTING INTO OPERATI-  
ON” Fig. B).  
If necessary remove mufer by loosening and removing the  
three screws (16).  
16  
Stuff a rag into the cylinder port (17).  
Use a suitable tool (wooden scraper) to clean out the cylinder  
space (18), especially the cooling ns.  
Remove the rag from the cylinder port and ret the mufer  
according to the diagram.  
Replace the gasket (15) and cowling (14) if necessary. Carefully  
remove any pieces of the old gasket from the mufer.  
Ensure correct mounting position. The cowling should follow  
the contour of the cylinder to ensure correct heat transfer.  
Tighten screws (16) to 10 Nm while the engine is cold.s  
17  
18  
E
24  
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Instructions for periodic maintenance  
To ensure long life, prevent damage and ensure the full functioning of the safety features the following maintenance must be  
performed regularly. Guarantee claims can be recognized only if this work is performed regularly and properly. Failure to perform the  
prescribed maintenance work can lead to accidents!  
The user of the chain saw must not perform maintenance work which is not described in the instruction manual. All such work must  
be carried out by a MAKITA service centre.  
Page  
General  
Chain saw  
Clean exterior, check for damage. In case of damage,  
have repaired by a qualied service centre immediately  
Saw chain  
Chain brake  
Guide bar  
Sharpen regulary, replace in good time  
19-20  
12  
Have inspected regularly at an authorized service centre  
Turn over to ensure even wear of bearing surfaces  
Replace in good time  
Before each start  
Saw chain  
Inspect for damage and sharpness  
Check chain tension  
19-20  
12  
Guide bar  
Check for damage  
Functional check  
Functional check  
Chain lubrication  
Chain brake  
15  
17  
OFF switch,  
Safety locking button,  
Throttle lever  
Functional check  
16  
Fuel/oil tank  
plug  
Check for tightness  
Every day  
Air lter  
Clean  
22  
15  
Guide bar  
Check for damage, clean oil intake bore  
Clean, in particular the oil guide groove  
Check (chain must not run)  
Guide bar support  
Idle speed  
15, 21  
17-18  
Every week  
Fan housing  
Cylinder space  
Spark plug  
Clean to ensure proper air cooling  
Clean  
23  
24  
23  
24  
21  
Check and replace if necessary  
Check tightness of mounting  
Mufer  
Chain catch sleeve  
Screws and nuts  
Check for damage, replace if necessary.  
Check their condition and that they are rmly secured.  
Every 3 months  
Storage  
Suction head  
Fuel, oil tanks  
Replace  
Clean  
22  
Chain saw  
Clean exterior, check for damage. In case of damage,  
have repaired by a qualied service centre immediately  
Guide bar/chain  
Demount, clean and oil slightly  
Clean the guide groove of the guide bar  
Empty and clean  
21  
Fuel, oil tanks  
Carburetor  
Run empty  
Service, spare parts and guarantee  
Maintenance and repair  
The maintenance and repair of modern engines as well as all safety devices require qualied technical training and a special work-  
shop equipped with special tools and testing devices.  
We therefore recommend that you consult a MAKITA service centre for all work not described in this instruction manual.  
The MAKITAservice centres have all the necessary equipment and skilled and experienced personnel, who can work out cost-effective  
solutions and advise you in all matters.  
25  
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Spare parts  
Reliable long-term operation, as well as the safety of your chain saw, depend among other things on the quality of the spare parts  
used. Use only original MAKITA parts, marked  
Only original spare parts and accessories guarantee the highest quality in material, dimensions, functioning and safety.  
Original spare parts and accessories can be obtained from your local dealer. He will also have the spare part lists to determine the  
required spare part numbers, and will be constantly informed about the latest improvements and spare part innovations.  
Please bear in mind that if parts other than original MAKITA spare parts are used, this will automatically invalidate the MAKITA  
product guarantee.  
Guarantee  
MAKITA guarantees the highest quality and will therefore reimburse all costs for repair by replacement of damaged parts resulting  
from material or production faults occurring within the guarantee period after purchase. Please note that in some countries particular  
guarantee conditions may exist. If you have any questions, please contact your salesman, who is responsible for the guarantee of  
the product.  
Please note that we cannot accept any responsibility for damage caused by:  
Disregard of the instruction manual.  
Non-performance of the required maintenance and cleaning.  
Incorrect carburetor adjustment.  
Normal wear and tear.  
Obvious overloading due to permanent exceeding of the upper performance limits.  
Use of guide bars and chains which have not been approved.  
Use of guide bar and chain lengths which have not been approved.  
Use of force, improper use, misuse or accidents.  
Damage from overheating due to dirt on the fan housing.  
Work on the chain saw by unskilled persons or inappropriate repairs.  
Use of unsuitable spare parts or parts which are not original MAKITA parts, insofar as they have caused the damage.  
Use of unsuitable or old oil.  
Damage related to conditions arising from lease or rent contracts.  
Damages caused by disregarding loose outer bolted connections.  
Cleaning, servicing and adjustment work is not covered by the guarantee. All repairs covered by the guarantee must be performed  
by a MAKITA service centre.  
Trouble shooting  
Malfunction  
System  
Observation  
Engine runs  
Ignition spark  
No ignition spark  
Fuel tank is lled  
Inside  
Cause  
Chain does not run  
Chain brake  
Ignition system  
Chain brake actuated.  
Engine does not start or  
only with difculty  
Malfunction in fuel supply system, com-  
pression system, mechanical malfunction.  
Sitch on STOP, fault or short-circuit in the  
wiring, plug cap or spark plug defective.  
Choke in wrong position, carburetor defective,  
suction head dirty, fuel line bent or interrupted.  
Faulty crankcase gasket, radial shaft  
packings defective, cylinder or piston rings de  
fective  
Fuel supply  
Compression  
system  
Outside  
Spark plug does not seal.  
Mechanical  
malfunction  
Starter does not engage  
Spring in starter broken, broken parts  
inside the engine.  
Warm start difculties  
Carburetor  
Fuel supply  
Fuel tank is lled  
Ignition spark  
Wrong carburetor adjustment.  
Engine starts, but  
dies immediately  
Fuel tank is lled  
Wrong idling adjustment, suction head or  
carburetor dirty. Tank venting defective, fuel  
line interrupted, cable defective, STOP switch  
defective.  
Insufcient power  
Several systems  
may be involved  
simultaneously  
Engine is idling  
Air lter dirty, wrong carburetor adjustment,  
mufer clogged,exhaust channel in cylinder  
clogged.  
No chain lubrication  
Oil tank/pump  
No oil on the chain  
Oil tank empty.  
Oil guide groove dirty.  
26  
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Extract from the spare parts list  
Use only original MAKITA parts. For repairs and replacement  
of other parts, see your MAKITA service centre.  
DCS3410TH  
Pos. MAKITA-No. Qty. Denomination  
1
442 030 661  
442 035 661  
442 030 471  
442 035 471  
1
1
1
1
Sprocket nose bar 30 cm (12”) 3/8”  
Sprocket nose bar 35 cm (14”) 3/8”  
Carving bar 30 cm (12”), 1/4”  
Carving bar 35 cm (14”), 1/4”  
2
528 092 646  
528 092 652  
512 466 668  
512 466 676  
1
1
1
1
Saw chain 3/8” for 30 cm  
Saw chain 3/8” for 35 cm  
Saw chain 1/4” for 30 cm  
Saw chain 1/4” for 35 cm  
3
4
5
6
7
8
9
952 010 630  
941 719 131  
963 601 121  
170 114 100  
963 225 030  
021 164 010  
170 163 100  
1
1
1
1
1
1
1
1
1
1
1
2
Chain protection for 30-35 cm  
Universal wrench SW 13/19  
Suction head  
Tank cap, cpl.  
O-Ring dia. 25 mm  
Starter cable 3x900 mm  
Return spring unit  
3/8” sprocket cpl.  
1/4” sprocket cpl.  
Spark plug  
10 170 223 100  
10 170 223 200  
11 965 603 021  
12 170 173 020  
4
3
Air lter  
-
923 208 004  
Hexagonal nut M8  
(for sprocket guard)  
1
2
-
170 213 100  
1
Chain catch sleeve  
10  
12  
Identication plate  
Indicate when ordering spare parts  
DCS3400TH  
2009 123456  
Serial number  
Year of manufacture  
8, 9  
5, 6, 7  
22045 Hamburg, Germany  
11  
6, 7  
XXX.XXX.XXX  
Typ 170  
16  
17  
18  
19  
Accessories (not delivered with the chain saw)  
15 953 100 090  
16 953 004 010  
17 953 003 090  
18 953 003 060  
19 953 030 010  
1
1
1
1
1
Cain gauge  
File handle  
Round le dia. 4 mm  
Flat le  
File holder  
(with round le dia. 4 mm)  
Carburetor screwdriver  
Two-stroke engine oil (1 l)  
Two-stroke engine oil (100 ml)  
BIOTOP-chain oil (1 l)  
BIOTOP-chain oil (5 l)  
20 944 340 001  
1
1
1
1
1
1
-
-
-
-
-
980 008 107  
980 008 106  
980 008 210  
980 008 211  
949 000 035  
15  
20  
Combined can (for 5l fuel.,  
2,5l chain oil)  
27  
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To nd your local distributor,  
Makita Werkzeug GmbH  
Postfach 70 04 20  
D–22004 Hamburg  
Germany  
Specications subject to change without notice  
Form: 995 707 421 (7.09 GB)  
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