Hitachi CS40EK Omistajan opas

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Power chainsaws
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Omistajan opas

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CS35EK/CS38EK
CS40EK/CS45EK
CS33EL/CS38EL
CS40EL/CS45EL
Owner's manual
Ägarhandbok
Betjeningsvejledning
Bruksanvisning
Omistajan opas
970-82812-202 2007.10
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Owner's manual
Read the manual carefully before
operating this machine.
CS35EK/CS38EK
CS40EK/CS45EK
CS33EL/CS38EL
CS40EL/CS45EL
GB-1
The engine exhaust from this product
contains chemicals known to the State of
California to cause cancer, birth defects
and other reproductive harm.
WARNING
Read, understand and follow all warnings and
instructions in this manual and on the unit.
Always wear eye, head and ear protectors when
using this unit.
Warning, kickback danger. Be careful sudden
and accidental upward and/or backward mo-
tion of the guide bar.
It is important that you read, fully understand
and observe the following safety precautions
and warnings. Careless or improper use of the
unit may cause serious or fatal injury.
One-handed usage not permitted. While cutting,
hold saw firmly with both hands with thumb
firmly locked around front handle.
Read the manual carefully.
Check that the cutting equipment is correctly assembled and adjusted.
Start the unit and check the carburetor adjustment. See "Maintenance".
Before using your machine
GB-2
G
B
Yoshio Osada
We, Nikko Tanaka Engineering Co., Ltd., 3-4-29 Tsudanuma, Narashino, Chiba, Japan
Declare under our sole responsibility that the product, chain saw model
to which this declaration relates is in conformity with the essential safety requirements of directives.
98/37/EC, 89/336/EEC, 2000/14/EC
The following standards have been taken into consideration
Serial No. up from E570001
Manufactured at : Chiba, Japan
Signature:
Position : Director
Notified body: 0404, SMP Svensk MaskinprovningAB, Fyrisborgsgaian 3, SE-754 50, Uppsala, Sweden,
has carried out EU type examination according to Article 8, point 2c, paragraph 3. The notified body
has issued certificate of EU type examination no: 404/96/354, 404/96/401 according to Annex Vl,
point 4.
on the 05/01/2007
CS35EK/CS38EK/CS40EK/CS45EK
CS33EL/CS38EL/CS40EL/CS45EL
EN ISO 11681-1:2003
EN ISO 12100-1:2003,EN ISO 12100- 2:2003
CISPR12:2005
What is what?
Warnings and safety instructions
Assembly procedures
Operating procedures
Maintenance
Specifications
4
5
6
7
11
16
Index
GB-3
1. What is what?
Since this manual covers several models, there may be some difference between pictures and your unit. Use the instructions that apply to your unit.
1. Throttle trigger
2. Throttle trigger lockout (Safety trigger)
3. Ignition switch
4. Oil tank cap
5. Recoil starter
6. Front handle
7. Fuel tank cap
8. Decompression valve
9. Airfilter cover
10. Guide bar
11. Saw chain
12. Front hand guard
13. Choke knob
14. Chain brake (optional)
15. Spiked bumper
16. Chain catcher
17. Side case
18. Guide bar clamp nut
19. Guide bar cover
20. Combi box spanner
21. Owner's manual
GB-4
G
B
Always wear a safety face shield or goggles.
Gloves should be used when sharpening
chain.
Always wear safety protective equipment such
as jacket, trousers, gloves, helmet, boots with
steel toe-caps and non-slip soles whenever
you use a chain saw. For working in trees the
safety boots must be suitable for climbing
techniques. Do not wear loose clothing,
jewelry, short pants, sandals or go barefoot.
Secure hair so it is above shoulder length.
Do not operate this tool when you are tired, ill
or under the influence of alcohol, drugs or
medication.
Never let a child or inexperienced person
operate the machine.
Wear hearing protection.
Never start or run the engine inside a closed
room or building. Breathing exhaust fumes
can kill.
For respiratory protection, wear a protection
mask while emitting the chain oil mist and dust
from sawdust.
Keep handles free of oil and fuel.
Keep hands away from cutting equipment.
Do not grab or hold the unit by the cutting
equipment.
When the unit is turned off, make sure the
cutting attachment has stopped before the unit
is set down.
When operation is prolonged, take a break
from time to time so that you may avoid
possible whitefinger disease which is caused
by vibration.
The operator must obey the local regulations
of cutting area.
Inspect the entire unit/machine before each
use. Replace damaged parts. Check for fuel
leaks and make sure all fasteners are in place
and securely tightened.
Replace parts that are cracked, chipped or
damaged in any way before using the
unit/machine.
Make sure the safety guard is properly
attached.
Keep others away when making carburetor
adjustments.
Use only accessories as recommended for this
unit/machine by the manufacturer.
Never let the chain strike any obstacle.
If the chain makes contact, the machine should
be stopped and checked carefully.
Make sure the automatic oiler is working.Keep
the oil tank filled with clean oil. Never let chain
run dry on the bar.
All chainsaw service, other than the items listed
in the operator's/owner's manual, should be
performed by competent chain-saw service
personnel. (For example, if improper tools are
used to remove the flywheel or if an improper
tool is used to hold the flywheel in order to
remove the clutch, structural damage to the
flywheel could occur and could subsequently
cause the flywheel to burst.)
Mix and pour fuel outdoors and where there are
no sparks or flames.
Use a container approved for fuel.
Do not smoke or allow smoking near fuel or the
unit/machine or while using the unit/machine.
Wipe up all fuel spills before starting engine.
Move at least 3 m away from fueling site before
starting engine.
Stop engine before removing fuel cap.
Empty the fuel tank before storing the
unit/machine. It is recommended that the fuel
be emptied after each use. If fuel is left in the
tank, store so fuel will not leak.
Store unit/machine and fuel in area where fuel
vapors cannot reach sparks or open flames
from water heaters, electric motors or switches,
furnaces. etc.
Fuel safety
Unit / machine safety
Do not cut any material other than wood or
wooden objects.
For respiratory protection, wear an aerosol
protection mask when cutting the wood after
insecticide has been applied.
Keep others including children, animals,
bystanders and helpers outside the hazard
zone, Stop the engine immediately if you are
approached.
Hold the unit/machine firmly with the right
hand on the rear handle and the left hand on
the front handle.
Keep firm footing and balance. Do not over-
reach.
Keep all parts of your body away from the
muffler and cutting attachment when the
engine is running.
Keep Bar/Chain below waist level.
Before felling a tree, the operator must be
accustomed to the sawing techniques of the
chain saw.
Be sure to pre-plan a safe exit from a failing
tree.
While cutting, hold saw firmly with both hands
with thumb firmly locked around front handle,
and stand with feet well balanced and your
body balanced.
Stand to the side of the saw when cutting -
never directly behind it.
Always keep the spiked bumper face to a tree,
because the chain may suddenly be drawn into
a tree.
When completing a cut, be ready to hold up the
units as it breaks into clear, so it will not follow
through and cut your legs, feet or body, or
contact an obstruction.
Be alert against kickback (when saw kicks up
and back at operator). Never cut with the nose
of the bar.
Cutting safety
Maintain the unit/machine according to rec-
ommended procedures.
Disconnect the spark plug before performing
maintenance except for carburetor adjustments.
Keep others away when making carburetor
adjustments.
Use only genuine HITACHI replacement parts as
recommended by the manufacturer.
Maintenance safety
2. Warnings and safety instructions.
Operator safety
WARNING!
Using guide bar/chain other than recom-
mended by the manufacturer which are not
approved, could result in a high risk of
personal accidents or injury.
WARNING!
Never use chain saw without any safety
equipment or that has faulty safety
equipment. It could result in serious
personal injury.
WARNING!
Never modify the unit/machine in any way.
Do not use your unit/machine for any job
except that for which it is intended.
WARNING!
Antivibration systems do not guarantee that
you will not sustain whitefinger dis-ease or
carpal tunnel syndrome. Therefore, continual
and regular users should monitor closely the
condition of their hands and fingers. If any of
the above symptoms appear, seek medical
advice immediately.
WARNING!
Long or continuous exposure to high noise
levels may cause permanent hearing
impairment. Always wear approved hearing
protection when operating a unit/machine.
Carry the unit/machine by hand with the
engine stopped and the muffler away from
your body.
Allow the engine to cool, empty the fuel tank,
and secure the unit/machine before storing or
transporting in a vehicle.
Empty the fuel tank before storing the
unit/machine, It is recommended that the fuel
be emptied after each use. If fuel is left in the
tank, store so fuel will not leak.
Store unit/machine out of the reach of
children.
Clean and maintenance the unit carefully and
store it in a dry place
Make sure engine switch is off when trans-
porting or storing.
When transporting in a vehicle, cover chain
with chain cover.
Transport and storage
WARNING!
Improper maintenance could result in
serious engine damage or in serious
personal injury.
WARNING!
Indicates a strong possibility of severe
personal injury or loss of life, if instructions
are not followed.
CAUTION!
Indicates a possibility of personal injury or
equipment damage, if instructions are not
followed.
NOTE!
Helpful information for correct function and
use.
If situations occur which are not covered in this
manual, take care and use common sense.
Contact HITACHI dealer if you need assistance.
Pay special attention to statements preceded
by the following words:
GB-5
Slightly move the bar back and forth and make
sure the chain tension boss (4) fits into the hole
(5) in the bar properly.
2. Confirm the direction of saw chain (1) is
correct as in the figure, and align the chain on
the sprocket. (Fig. 1-2)
3. Guide the chain drive links into the bar
groove all around the bar.
4. Install the side case (1) onto the guide bar
clamp bolts while inserting location pin (2) on
the side case into the location hole (3) on the
unit. (Fig. 1-3)
Then finger tight the clamp nuts. (Fig. 1-3B)
3. Assembly procedures
NOTE!
Fig.1-0 Fig.1-2Fig.1-1
Fig.1-3 Fig.1-3B
Fig.1-4 Fig.1-5
WARNING!
5. Raise the bar end, and tighten the chain (1)
by turning the tension adjustment bolt (2)
clockwise. To check proper tension, lightly
lift up the center of chain and there should
be about 0.5-1.0mm clearance between bar
and edge of drive link (3).
CAUTION!
PROPER TENSION IS EXTREMELY IM-
PORTANT! (Fig.1-4, 5)
6. Raise the bar end and securely tighten the
chain bar clamp nuts with the box wrench.
(Fig. 1-4)
7. A new chain will stretch so adjust the chain
after a few cuts and watch chain tension
carefully for the first half hour of cutting.
NOTE!
Check the chain tension frequently for
optimum performance and durability.
CAUTION!
When the chain is excessively tightened, the
bar and chain will be damaged rapidly.
Conversely, when the chain is excessively
loosened, it may get out of the groove in the
bar.
Always wear gloves when touching the chain.
During operation, hold chain saw firmly
with both hands. A single hand operation
may cause serious injury.
WARNING!
Never try to start engine without side case
securely fastened.
* Install the spiked bumper (1) (If so equipped)
to the unit with the two screws. (Fig.1-0)
1. Remove the side case by unscrewing two
guide bar clamp nuts, and install the guide
bar (1) onto the bolts (2), then push it toward
the sprocket (3) as far as it will go.
Make sure that the boss of chain tension
adjust bolt (4) fits into the hole of the bar (5).
(Fig. 1-1)
GB-6
G
B
The chain saw is equipped with a two-
stroke engine. Always run the engine on
fuel, which is mixed with oil.
Provide good ventilation, when fueling or
handling fuel.
Fueling
WARNING! (Fig.2-1B)
Always shut off the engine before refuel-ing.
Slowly open the fuel tank (1), when filling
up with fuel, so that possible over
pressure disappears.
Tighten the fuel cap carefully, after fuel-ing.
Always move the unit at least 3 m (10 ft.)
from the fueling area before starting.
Starting (Fig. 2-2, 2B, 3, 4, 4B)
WARNING!
When the engine starts with the throttle
lock engaged, the engine speed is high
enough to make the chain rotate
CAUTION!
Before starting, make sure chain brake is
disengaged (if so equipped) and that the
bar/chain does not touch anything.
1. Set ignition switch (1) to ON position. (Fig.2-2)
* Press the decompression valve (1) (if so
equipped. This valve will return when
engine starrted). (Fig. 2-2B)
2. Pull choke knob fully to choked position.
This will automatically lock the throttle in
starting position. (Fig. 2-3)
3. Pull recoil starter slowly until you feel
compression resistance, and then pull
briskly, taking care to keep the handle in
your grasp and not allowing it to snap back.
(Fig. 2-4)
4. When you hear the engine want to start,
with the safety trigger (2) pressed pull
throttle trigger (4). This will release the
throttle from starting position to run position
and will return the choke knob to run
position automatically. (Fig. 2-4B)
5. Pull recoil starter briskly again in the
aforementioned manner.
NOTE!
If engine does not start, repeat procedures
from 2 to 5.
6. After starting engine, pull throttle trigger a
couple of times and allow the engine about
2-3 minutes to warm up before subjecting it
to any load.
Starting warm engine
1. Set igntion switch to ON position. Press
decompression valve and pull recoil starter.
2. If engine does not start easily, press
decompression valve again, pull choke
knob fully and return it. This will lock the
throttle in starting position. Pull recoil starter.
NOTE!
If engine still does not start, follow the steps of
the cold engine starting.
Fuel (Fig. 2-1)
WARNING!
Fig. 2-1 Fig. 2-1CFig. 2-1B
Fig. 2-2 Fig. 2-2B
Fig. 2-4 Fig. 2-4B
Fig. 2-3
4. Operating procedures
Before fueling, clean the tank cap area care-
fully, to ensure that no dirt falls into the tank.
Make sure that the fuel is well mixed by shaking
the container, before fueling.
Chain oil (Fig. 2-1B)
Fill up with chain oil (2). Always use good
quality chain oil. When the engine is running,
the chain oil is automatically discharged.
NOTE!
When pouring fuel (1) or chain oil (2) into the
tank, place the unit with cap side up.
(Fig. 2-1B)
ADJUSTMENT OF CHAIN OIL SUPPLY
The chain oil quantity discharged through the
lubrication system is factory adjusted to the
maximum. Adjust the quantity in accordance
with the operating condition.
Turn the adjusting screw (1) counterclockwise
to decrease the quantity and turn it clockwise to
increase the quantity. (Fig.2-1C)
Do not try to turn the screw beyond level marks.
Always use branded 89 octane unleaded
gasoline.
Use genuine two-cycle oil or use a mix
between 25:1 to 50:1, please consult the oil
bottle for the ratio or HITACHI dealer.
Only for the state of California at 50:1.
If genuine oil is not available, use an anti-
oxidant added quality oil expressly labeled for
air-cooled 2-cycle engine use(JASO FC
GRADE OIL or ISO EGC GRADE). Do not use
BIA or TCW (2-stroke water-cooling type)
mixed oil.
Never use multi-grade oil (10 W/30) or waste
oil.
Always mix fuel and oil in a separate clean
container.
Always start by filling half the amount of fuel,
which is to be used. Then add the whole
amount of oil. Mix (shake) the fuel mixture. Add
the remaining amount of fuel.
Mix (shake) the fuel-mix thoroughly before filling
the fuel tank.
Fuel
GB-7
Chain brake operation (optional) (Fig. 2-5)
Chain brake (1) (If so equipped) is designed to
activate in an emergency such as kick-back
action. Please check to verify that it works
properly before use.
Application of brake is made by moving the
front guard towards the bar. During the chain
brake operation, even if the throttle lever is
pulled, the engine speed does not increase
and the chain does not turn. To release the
brake, pull up the chain brake lever.
How to confirm:
1) Turn off the engine.
2) Holding the chain saw horizontally, release
your hand from the front handle, hit the tip of
the guide bar to a stump or a piece of wood,
and confirm brake operation. Operating level
varies by bar size.
In case the brake is not effective, ask our dealer
for inspection and repairs.
If the engine keeps rotating at high speed with
the brake engaged, the clutch will overheat
causing trouble.
When the brake engages during operation,
immediately release the throttle lever to stop
the engine.
WARNING!
Do not carry the machine with the engine
running.
Stopping (Fig. 2-6)
Decrease engine speed, and push ignition
switch to stop position.
WARNING!
KICKBACK DANGER (Fig. 2-7)
One of the most severe dangers when
working with a chain saw is the possibility of
kickback. Kickback may occur when the
upper 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 lightning fast reverse
reaction, kicking the guide bar up and back
toward you. Pinching the saw chain along the
top of the guide bar may also push the guide
bar rapidly back towards you. Either of these
reactions may cause you to lose control of the
saw which could result in serious personal
injury.
Even though your saw has safety built into its
design, you should not rely on these safety
features exclusively.
Know where your bar tip is at all times.
Kickback does occur if you allow the kickback
zone (1) of the bar to touch an object. Do not
use that area. Kickback from pinching is
caused by a cut closing and pinching the
upper side of the guide bar. Study your cut
and make sure it will open as you cut through.
Maintain control when the engine is running
by always keeping a firm grip on the saw with
your right hand on the rear handle, your left
hand on the front handle and your thumbs
and fingers encircling the handles. Always
hold the saw with both hands during operation
and cut at high engine speed.
WARNING!
Do not overreach or cut above shoulder
height.
WARNING!
Use extra caution when felling, and do not
use the saw in a nose-high position or
above shoulder height.
CHAIN CATCHER
The chain catcher is located on the power head
just below the chain to further prevent the
possibility of a broken chain striking the
chainsaw user.
WARNING!
Do not stand in-line with chain when
cutting.
BASIC TECHNIQUES FOR MAKING FEL-
LING, LIMBING AND BUCKING CUTS
The intention of the following information is
to provide you with the general introduction
to wood cutting techniques.
WARNING!
This information does not cover all
specific situations, which may depend on
differ-ences in terrain, vegetation, kind of
wood, form and size of trees, etc. Consult
your servicing dealer, forestry agent or
local forestry schools for advice on
specific woodcutting problems in your
area,
This will make your work more efficient
and safer.
WARNING!
Avoid cutting in adverse weather condi-
tions, such as dense fog, heavy rain,
bitter cold, high winds, etc.
Adverse weather is often tiring to work in
and creates potentially dangerous condi-
tions such as slippery ground.
High winds may force the tree to fall in an
unexpected direction causing property
damage or personal injury.
CAUTION!
Never use a chainsaw to pry or for any
purpose for which it is not intended.
WARNING!
Avoid stumbling on obstacles such as
stumps, roots, rocks, branches and fallen
trees. Watch out for holes and ditches. Be
extremely cautious when working on
slopes or uneven ground. Shut off the
saw when moving from one work place to
another.
Always cut at wide open throttle. A slow
moving chain can easily catch and force
the saw to jerk.
Fig.2-5 Fig.2-7Fig.2-6
GB-8
G
B
Never saw completely through the trunk.
Always leave a hinge.
The hinge guides the tree. If the trunk is
completely cut through, you lose control over
the felling direction.
Insert a wedge or a felling lever in the cut well
before the tree becomes unstable and starts to
move. This will prevent the guide bar from
binding in the felling cut if you have misjudged
the falling direction. Make sure no people have
come into the range of the falling tree before
you push it over.
FELLING CUT, TRUNK DIAMETER MORE
THAN TWICE GUIDE BAR LENGTH
Cut a large, wide notch. Then cut a recess into
the center of the notch. Always leave a hinge
on both sides of the center cut. (Fig. 2-7E)
Complete the felling cut by sawing around the
trunk as in the Fig. 2-7F.
WARNINGI
These methods are extremely dangerous
because they involve the use of the nose of
guide bar and can result in kickback. Only
properly trained professionals should attempt
these techniques.
Fig. 2-7B
Fig. 2-7C
Fig. 2-7D
Fig. 2-7F
Fig. 2-7E
WARNING!
Never use the saw with only one hand.
You cannot control the saw properly and
you may lose control and injure yourself
severely.
Keep the saw body close to your body to
improve control and reduce strain.
When cutting with the bottom part of the
chain the reactive force will pull the saw
away from you towards the wood you are
cutting.
The saw will control the feeding speed
and sawdust will be directed towards you.
(Fig. 2-7B)
When cutting with the upper part of the
chain the reactive force will push the saw
towards you and away from the wood you
are cutting. (Fig. 2-7C)
WARNING!
There is a risk of kickback if the saw is
pushed far enough so that you begin to cut
with the nose of the bar.
The safest cutting method is to cut with the
bottom part of the chain. Sawing with the
upper part makes it much more difficult to
control the saw and increases the risk of
kickback.
NOTE!
Always keep the spiked bumper face to a tree,
because the chain may suddenly be drawn into
a tree.
FELLING
Felling is more than cutting down a tree. You
must also bring it down as near to an intended
place as possible without damaging the tree or
anything else.
Before felling a tree, carefully consider all
conditions which may effect the intended
direction, such as:
Angle of the tree. Shape of the crown. Snow
load on the crown. Wind conditions. Obstacles
within tree range (e.g., other trees, power lines,
roads, buildings, etc.).
WARNING!
Always observe the general conditions of
the tree. Look for decay and rot in the trunk
which will make it more likely to snap and
start to fall before you expect it.
Look for dry branches, which may break and
hit you when you are working.
Always keep animals and people at least
twice the tree length away while felling.
Clear away shrubs and branches from
around the tree.
Prepare a path of retreat away from the
felling direction.
BASIC RULES FOR FELLING TREES
Normally the felling consists of two main
cutting operations, notching and making the
felling cut.
Start making the upper notch cut on the side of
the tree facing the feeling direction. Look
through the kerf as you saw the lower cut so
you do not saw too deep into the trunk.
The notch should be deep enough to create a
hinge of sufficient width and strength. The
notch opening should be wide enough to direct
the fall of the tree as long as possible.
Saw the felling cut from the other side of the
tree between one and two inches (3-5 cm)
above the edge of the notch. (Fig. 2-7D)
GB-9
Fig.2-7G
Fig.2-7H
Fig.2-7J
Fig.2-7L
Fig.2-7K
Fig.2-7M Fig.2-7N
LIMBING
Limbing is removing the branches from a feller
tree.
WARNING!
A majority of kickback accidents occur during
limbing.
Do not use the nose of the guide bar. Be
extremely cautious and avoid contacting the
log, other limbs or objects with the nose of the
guide bar. Be extremely cautious of limbs
under tension. They can spring back towards
you and cause loss of control resulting in
injury. (Fig. 2-7G)
Stand on the left side of the trunk. Maintain a
secure footing and rest the saw on the trunk.
Hold the saw close to you so that you are in
full control of it. Keep well away from the chain.
Move only when the trunk is between you and
the chain. Watch out for spring back of limbs
under tension.
LIMBING THICK BRANCHES
When limbing thick branches, the guide bar
may get pinched easily. Branches under
tension often snap up, so cut troublesome
branches in small steps. Apply the same
principles as for cross cutting.
Think ahead and be aware of the possible
consequences of all your actions.
CROSS CUTTING/BUCKING
Before starting to cut through the log, try
to imagine what is going to happen. Look
out for stresses in the log and cut through
it in such a manner that the guide bar will
not get pinched.
CROSS CUTTING LOGS, PRESSURE ON
TOP
Take a firm stance. Begin with an upper
cut. Do not cut too deeply, about 1/3 of
the log diameter is enough.
Finish with a bottom cut. The saw cuts
should meet. (Fig. 2-7H)
THICK LOG, LARGER THAN GUIDE BAR
LENGTH
Begin by cutting on the opposite side of the
log. Pull the saw towards you followed by
previous procedure. (Fig. 2-7J)
If the log is lying on the ground make a boring
cut to avoid cutting into the ground. Finish with
a bottom cut. (Fig. 2-7K)
WARNING! KICKBACK DANGER!!
Do not attempt a boring cut if you are not
properly trained. A boring cut involves the use
of the nose of the guide bar and can result in
kickback.
CROSS CUTTING LOGS, PRESSURE ON
BOTTOM
Take a firm stance. Begin with a bottom cut.
The depth of the cut should be about 1/3 of
the log diameter.
Finish with an upper cut. The saw cuts should
meet. (Fig. 2-7L)
THICK LOG, LARGER THAN GUIDE BAR
LENGTH
Begin by cutting on the opposite side of the
log. Pull the saw towards you, followed by
previous procedure.
Make a boring cut if the log is close to the
ground.
Finish with a top cut. (Fig. 2-7M)
WARNING! KICKBACK DANGER!!
Do not attempt a boring cut if you are not
properly trained. A boring cut involves the
use of the nose of the guide bar and can
result in kickback. (Fig. 2-7N)
IF THE SAW GETS STUCK
Stop the engine.
Raise the log or change its position, using a
thick branch or pole as a lever.
Do not try to pull the saw free. If you do, you
can deform the handle or be injured by the
saw chain if the saw is suddenly released.
GB-10
G
B
Fig. 3-1 Fig. 3-3Fig. 3-2
MAINTENANCE, REPLACEMENT, OR RE-
PAIR OF THE EMISSION CONTROL DE-
VICES AND SYSTEM MAY BE
PERFORMED BY ANY NON-ROAD ENGINE
REPAIR ESTABLISHMENT OR
INDIVIDUAL.
Carburetor adjustment (Fig. 3-1)
WARNING!
Never start the engine without the complete
clutch cover. Otherwise the clutch can
come loose and cause personal injuries.
In the carburetor, fuel is mixed with air. When
the engine is test run at the factory, the
carburetor is adjusted. A further adjustment
may be required, according to climate and
altitude. The carburetor has one adjustment
possibility:
T = Idle speed adjustment screw.
Idle speed adjustment (T)
Check that the air filter is clean. When the idle
speed is correct, the cutting attachment will not
rotate. If adjustment is required, close (clock-
wise) the T-screw, with the engine running,
until the cutting attachment starts to rotate.
Open (counter-clockwise) the screw until the
cutting attachment stops. You have reached
the correct idle speed when the engine runs
smoothly in all positions well below the rpm
when the cutting attachment starts to rotate.
If the cutting attachment still rotates after idle
speed adjustment, contact HITACHI dealer.
WARNING!
When the engine is idling the cutting
attachment must under no circumstances
rotate.
NOTE!
Some models sold areas with strict exhaust
emission regulation do not have high and low
speed carburetor adjustments. Such
adjustments may allow the engine to be
operated outside of their emission compliance
limits. For these models, the only carburetor
adjustment is idle speed.
5. Maintenance
For models that equipped with low and high
speed adjustments; carburetors are pre set at
the factory Minor adjustments may optimize
performance based on climate, altitude, etc.
Never turn the adjustment screws in increments
greater than 90 degrees, as engine damage
can result from incorrect adjustment If you are
not familiar with type of adjustment-assistance
HITACHI dealer.
Air filter (Fig. 3-2)
The air filter (1) must be cleaned from dust and
dirt in order to avoid:
Carburetor malfunctions.
Starting problems.
Engine power reduction.
Unnecessary wear on the engine parts.
Abnormal fuel consumption.
Clean the air filter daily or more often if working
in exceptionally dusty areas.
Cleaning the air filter
Remove the air filter cover (2) and the filter (1).
Rinse them in warm soap suds. Check that the
filter is dry before reassembly. An air filter that
has been used for some time cannot be
cleaned completely. Therefore, it must regu-larly
be replaced with a new one. A damaged filter
must always be replaced.
Spark plug (Fig. 3-3)
The spark plug condition is influenced by:
An incorrect carburetor setting.
Wrong fuel mixture (too much oil in the
gasoline)
A dirty air filter.
Hard running conditions (such as cold
weather).
These factors cause deposits on the spark
plug electrodes, which may result in malfunc-
tion and starting difficulties. If the engine is
low on power. difficult to start or runs poorly at
idling speed, always check the spark plug first.
If the spark plug is dirty, clean it and check the
electrode gap. Readjust if necessary. The
correct gap is 0.6 mm (.024"). The spark plug
should be replaced after about 100 operation
hours or earlier if the electrodes are badly
eroded.
NOTE!
In some areas, local law requires using a
resistor spark plug to suppress ignition signals.
If this machine was originally equipped with
resistor spark plug, use same type of spark
plug for replacement.
GB-11
Fig.3-4
Fig.3-10
Fig.3-5
Fig.3-6
Fig.3-8 Fig.3-9
Fig.3-7
Oiler port (Fig. 3-4)
Clean the chain oiler port (1) whenever
possible.
Guide bar (Fig. 3-5)
Before using the machine, clean the groove
and oiler port (1) in the bar with the special
gauge offered as an optional accessory.
Side case (Fig. 3-6)
Always keep the side case and drive area
clean of saw dust and debris.
Periodically apply oil or grease to this area to
protect from corrosion as some trees contain
high levels of acid.
Fuel filter (Fig. 3-7)
Remove the fuel filter from the fuel tank and
thoroughly wash it in solvent. After that, push
the filter into the tank completely.
NOTE!
If the filter is hard due to dust and dirt, replace
it.
Chain oil filter (Fig. 3-8)
Remove the oil filter and thoroughly wash it in
solvent
Cleaning the cylinder fins (Fig, 3-9)
When wood chips are caught between cylinder
fins (1), the engine may overheat, resulting in
lower output.To avoid this, always keep
cylinder fins and fan case clean.
Every 100 operating hours, or once a year
(more often if conditions require), clean fins
and external surfaces of engine of dust, dirt
and oil deposits which can contribute to im-
proper cooling.
Cleaning the muffler (Fig. 3-10)
Remove the muffler (1) and spark arrestor (if so
equipped), and clean out any excess carbon
from the exhaust port or muffler inlet every 100
hours of operation.
For long-term storage
Drain all fuel from the fuel tank. Start and let
engine run until it stops. Repair any damage
which has resulted from use. Clean the unit with
a clean rag, or the use of high pressure air
hose. Put a few drops of two-cycle engine oil
into the cylinder through the spark plug hole,
and spin the engine over several times to
distribute oil. Cover the unit and store it in a dry
area.
GB-12
G
B
Fig.3-11 Fig.3-12 Fig.3-12B
Decompression valve (Fig. 3-11)
After extended period of use decompression
valve may not close or come out due to the
builtup carbon inside of the valve mounting hole
(1). To remove the carbon, take the following
steps.
1. Remove airfilter cover, cylinder cover, spark
plug and decompression valve from the unit.
2. Viewing through the spark plug hole, crank
down the piston to the lowest position by
pulling recoil starter slowly.
3. Prepare ø2.5 mm to ø2.8 mm drill bit.
4. Lay down the unit facing the valve mounting
hole downward so that the removed carbon
will not drop into cylinder.
5. Insert the drill bit into the hole turning slowly
so that the bit will scrape off the built up
carbon.
6. Make sure to remove the drill bit and pull
recoil starter several times.
7. Reinstall the disassembled parts.
Icing protection system (Fig. 3-12, 12B)
This system is to protect carburetor from icing
when the unit is operated in winter time.
1. When you need icing system work, remove
airfilter cover (1). Pull out the shutter (3) from
inside the airfilter cover and reinstall it in
winter time position (5) by turning half-way.
This will allow heated air to flow from cylinder
side to carburetor cabin through the opening
(2).
NOTE!
When winter time has been over and carburetor
will not suffer from icing, make sure that the
shutter is reinstalled in ordinary position (4).
NOTE!
When the unit is used in very cold weather, it is
advisable to cover the slits of the halfway down
of recoil starter side with glue tape (1) so that
snow dust will not get into fancase. (Fig. 3-12B)
GB-13
Fig. 4-1
Fig. 4-2
Fig. 4-3
Fig. 4-4
Fig. 4-5
Fig. 4-6
WARNING!
Gloves should be used when sharpening
chain.
WARNING!
Be sure to round off the front edge to
reduce the chance of kickback or tie-strap
breakage.
1. Top plate
2. Working corner
3. Side plate
4. Gullet
5. Heel
6. Chassis
7. Rivet hole
8. Toe
9. Depth gauge
10. Correct angle on top plate (degree of angle
depends on chain type)
11. Slightly protruding "hook" or point (curve on
non-chisel chain)
12. Top of depth gauge at correct height below
top plate
13, Front of depth gauge rounded off
CHAIN SHARPENING Parts of a cutter.
(Fig. 4-1, 2)
LOWERING DEPTH GAUGES WITH A FILE
1) If you sharpen your cutters with a file holder,
check and lower the depth.
2) Check depth gauges every third sharpening.
3) Place depth gauge tool on cutter. If depth
gauge projects, file it level with the top of the
tool. Always file from the inside of the chain
toward an outside cutter. (Fig. 4-3)
4) Round off front corner to maintain original
shape of depth gauge after using depth
gauge tool. Always follow the recommended
depth gauge setting found in the
maintenance or operator manual for your
saw. (Fig. 4-4)
GENERAL INSTRUCTIONS FOR FILING
CUTTERS
File (1) cutter on one side of the chain from the
inside out.
File on forward stroke only. (Fig. 4-5)
5) Keep all cutters the same length. (Fig. 4-6)
GB-14
G
B
6) File enough to remove any damage to
cutting edges (side plate (1) and top plate
(2)) of cutter. (Fig. 4-7)
SHARPENING ANGLES FOR SHARPENING
SAW CHAIN (Fig. 4-7B)
Maintenance schedule
Below you will find some general maintenance
instructions. For further information please
contact HITACHI dealer.
Daily maintenance
Clean the exterior of the unit.
Clean the chain oil filter port.
Clean the groove and oil filter port in the
guide bar.
Clean the side case of saw dust.
Check that the saw chain is sharp.
Check that the bar nuts are sufficiently
tightened.
Make sure that the chain transport guard is
undamaged and that it can be securely
fitted.
Check that nuts and screws are sufficiently
tightened.
Weekly maintenance
Check the starter, especially cord and return
spring.
Clean the exterior of the spark plug.
Remove the spark plug and check the
electrode gap. Adjust it to 0.6 mm (.024 ") or
change the spark plug.
Clean the cooling fins on the cylinder and
check that the air intake at the starter is not
clogged.
Clean the air filter.
Monthly maintenance
Rinse the fuel tank with gasoline, and clean
fuel filter.
Clean chain oil filter.
Clean the exterior of the carburetor and the
space around it.
Clean the fan and the space around it.
Clean the muffler of carbon.
Fig.4-7
Fig.4-7B
GB-15
6. Specifications
Engine Size (ml)
Spark Plug
Fuel Tank Capacity (mI)
Chain Oil Tank Capacity (mI)
Dry Weight (kg)
(Without guide bar and chain)
Guide bar length (mm)
Chain pitch (mm)
Chain gauge (mm)
Sound pressure level (dB(A)) by ISO
Sound power level (dB(A)) by ISO ......... Lw measured
Sound power level (dB(A)) by 2000/14/EC ..... LwA
112
Vibration level (m/s
2
) by ISO
Front handle ................................................... 8.9
Rear handle .................................................... 6.6
MODEL CS35EK/CS38EK/CS40EK/CS45EK
............................................... 39
....................................................... NGK BPM7A or
NGK BPMR-7A
or equivalent
................................... 400
............................ 245
................................................ 4.0
....................................... 350-450
(14"-18")
.............................................. 8.25 (0.325")
............................................ 1.27 (0.05")
...... LpA
100.5
..................................... 1.76@9500
......................... 14,500
............................ 2,800
.........................................
.............................................. 95 VP
(Oregon)
............................ 27.9
.......................... 7
110.4
Max. engine power
by ISO 7293(kW)
Max. engine speed (min
-1
)
Idle engine speed (min
-1
)
Type of guide bar
Type of chain
Max. chain speed (m/sec)
Sprocket (number of teeth)
NOTE : Equivalent noise level/vibration levels are calculated as the 
time-weighted energy total for noise/vibration levels under
various working conditions with the following time distribution:
1/3 idle, 1/3 full, 1/3 racing speed.
* All data subject to change without notice.
GB-16
G
B
Engine Size (ml)
Spark Plug
Fuel Tank Capacity (mI)
Chain Oil Tank Capacity (mI)
Dry Weight (kg)
(Without guide bar and chain)
Guide bar length (mm)
Chain pitch (mm)
Chain gauge (mm)
Sound pressure level (dB(A)) by ISO
Sound power level (dB(A)) by ISO ......... Lw measured
Sound power level (dB(A)) by 2000/14/EC ..... LwA
112
Vibration level (m/s
2
) by ISO
Front handle ................................................... 8.0
Rear handle .................................................... 8.6
MODEL CS33EL/CS38EL/CS40EL/CS45EL
............................................... 43
....................................................... NGK BPM7A or
NGK BPMR-7A
or equivalent
................................... 400
............................ 245
................................................ 3.9
....................................... 330-450
(13"-18")
.............................................. 8.25 (0.325")
............................................ 1.27 (0.05")
...... LpA
100.8
..................................... 2.09@10000
......................... 14,500
............................ 2,800
.........................................
.............................................. 95 VP
(Oregon)
............................ 27.9
.......................... 7
108.3
Max. engine power
by ISO 7293(kW)
Max. engine speed (min
-1
)
Idle engine speed (min
-1
)
Type of guide bar
Type of chain
Max. chain speed (m/sec)
Sprocket (number of teeth)
NOTE : Equivalent noise level/vibration levels are calculated as the 
time-weighted energy total for noise/vibration levels under
various working conditions with the following time distribution:
1/3 idle, 1/3 full, 1/3 racing speed.
* All data subject to change without notice.
GB-17
GB-18
Ägarhandbok
Läs noga igenom bruksanvisningen
innan maskinen tas i bruk.
CS35EK/CS38EK
CS40EK/CS45EK
CS33EL/CS38EL
CS40EL/CS45EL
SE-1
S
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Hitachi CS40EK Omistajan opas

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