Zenoah GZ3500T Mode d'emploi

Taper
Mode d'emploi
GZ3500T
EN Operator's manual 2-31
DE Bedienungsanweisung 32-63
EL Οδηγίες χρήσης 64-97
ES Manual de usuario 98-129
FR Manuel d'utilisation 130-161
IT Manuale dell'operatore 162-193
PT Manual do utilizador 194-225
Contents
Introduction..................................................................... 2
Safety..............................................................................4
Assembly........................................................................ 9
Operation........................................................................ 9
Maintenance................................................................. 16
Troubleshooting............................................................ 27
Transportation and storage...........................................28
Technical data.............................................................. 28
Accessories.................................................................. 29
EC Declaration of Conformity....................................... 31
Introduction
Product description
The Zenoah GZ3500T is a chainsaw model with a
combustion engine.
Work is constantly in progress to increase your safety
and efficiency during operation. Speak to your servicing
dealer for more information.
Intended use
This product is for professional tree maintenance such
as pruning and to disassemble trees in sections.
Note: National regulations can set limit to the operation
of the product.
Product overview
3
2
4
6
5
8
7
10
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23
11
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21
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34
13
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15
9
19
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24
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35
26
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27
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31
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9
32
1. Throttle trigger
2. Throttle trigger lockout
3. Air filter cover
4. Air filter
5. Spark plug cap and spark plug
6. Fuel tank
7. Starter rope handle
8. Starter housing
9. Vibration damping system, 3 units
10. Chain oil tank
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11. Muffler
12. Chain brake and front hand guard
13. Start/stop switch
14. Choke control
15. Air purge bulb
16. Clutch cover
17. Chain tensioning screw
18. Brake band
19. Chain catcher
20. Spiked bumper
21. Saw chain
22. Guide bar
23. Bar tip sprocket
24. Transport guard
25. Operator's manual
26. Combination wrench
27. Top handle
28. Rope eyelet
29. Information and warning decal
30. Carburetor adjustment screws
31. Product and serial number plate
32. Oil pump adjustment screw
33. Front handle
34. Bar nut
35. Screwdriver
Symbols on the product
Careless or incorrect use of this product can
result in serious or fatal injury to the operator
or others.
Read the operator's manual carefully and
make sure you understand the instructions
before you use this product.
Always wear approved protective helmet,
approved hearing protection and protective
goggles or a visor.
This product is in accordance with
applicable EC Directives.
Noise emissions to the environment
according to European Directive 2000/14/EC
and New South Wales legislation "Protection
of the Environment Operations (Noise
Control) Regulation 2017". Noise emission
data can be found on the machine label and
in the chapter
Technical data on page 28
.
Both of the operator's hands must be used
to operate the chainsaw.
Never operate the chainsaw holding it with
one hand only.
Never let the guide bar tip come in contact
with any object.
Warning! Kickback may occur when the
nose or tip of the guide bar touches an
object, and cause a lightning fast reverse
reaction, kicking the guide bar up and
towards the operator. May cause serious
personal injury.
Use appropriate protections for foot-leg and
hand-arm.
Chain brake, activated (right). Chain brake,
not activated (left).
Air purge.
Adjustment of the oil pump.
Refuelling.
Chain oil fill.
This chainsaw should only
be used by persons who
are specially trained in
tree maintenance work.
See operator's manual!
Working position.
Choke.
yyyywwxxxxx
The rating plate showing
serial number. yyyy is the
production year, ww is the
production week.
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Note: Other symbols/decals on the product refer to
certification requirements for certain markets.
Euro V Emissions
WARNING: Tampering with the engine voids
the EU type-approval of this product.
Safety
Safety definitions
Warnings, cautions and notes are used to point out
specially important parts of the manual.
WARNING: Used if there is a risk of injury or
death for the operator or bystanders if the
instructions in the manual are not obeyed.
CAUTION: Used if there is a risk of damage
to the product, other materials or the
adjacent area if the instructions in the
manual are not obeyed.
Note: Used to give more information that is necessary in
a given situation.
General safety instructions
WARNING: Read the warning instructions
that follow before you use the product.
A chainsaw is a dangerous tool if used carelessly or
incorrectly and can cause serious injury or death. It
is very important that you read and understand the
contents of this operator’s manual.
Under no circumstances may the design of the
product be modified without the permission of the
manufacturer. Do not use a product that appears to
have been modified by others and only use
accessories recommended for this product. Non-
authorized modifications and/or accessories can
result in serious personal injury or the death of the
operator or others.
The inside of the muffler contain chemicals that may
be carcinogenic. Avoid contact with these elements
in the event of a damaged muffler.
Long term inhalation of the engine’s exhaust fumes,
chain oil mist and sawdust can represent a health
risk.
This product produces an electromagnetic field
during operation. This field may under some
circumstances interfere with active or passive
medical implants. To reduce the risk of serious or
fatal injury, we recommend persons with medical
implants to consult their physician and the medical
implant manufacturer before operating this product.
The information in this operator's manual is never a
substitute for professional skills and experience. If
you get into a situation where you feel unsafe, stop
and seek expert advice. Contact your servicing
dealer or an experienced chainsaw user. Do not
attempt any task that you feel unsure of!
Safety instructions for operation
WARNING: Read the warning instructions
that follow before you use the product.
This top handle chainsaw is designed specifically for
tree surgery and maintenance in the tree. Due to the
special compact handle design (closely spaced
handles), there is an increased risk of losing control.
For this reason these special chainsaws should be
used only for work in a tree by persons who are
trained in special cutting and working techniques and
who are properly secured (lift bucket, ropes, safety
harness). Regular chainsaws (with wider spaced
handles) are recommended for all other cutting work
at ground level.
Working in a tree requires the use of special cutting
and working techniques which must be observed in
order to reduce the increased risk of personal injury.
Never work in a tree unless you have received
specific, professional training for such work,
including training in the use of safety and other
climbing equipment, such as harnesses, ropes,
belts, climbing irons, snap hooks, carabiners,
etcetera.
Never attempt to catch falling sections. Never cut in
the tree when you are only secured with one rope.
Always use two secured ropes.
During critical felling operations, hearing protectors
should be lifted immediately when the sawing is
completed so that sounds and warning signals can
be heard.
Before using this product you must understand the
effects of kickback and how to avoid them. Refer to
Kickback information on page 11
for instructions.
Never use a product that is faulty. Carry out the
safety checks, maintenance and service instructions
described in this manual. Some maintenance and
service measures must be carried out by trained and
qualified specialists. Refer to
Maintenance and
checks of the safety devices on the product on page
18
for instructions.
Never use the product with visible damage to the
spark plug cap and ignition cable. A risk of sparking
arises, which can cause a fire.
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Never use the product if you are fatigued, while
under the influence of alcohol or drugs, medication
or anything that could affect your vision, alertness,
coordination or judgement.
Do not use the product in bad weather such as
dense fog, heavy rain, strong wind, intense cold,
etcetera. Working in bad weather is tiring and often
brings added risks, such as icy ground,
unpredictable felling direction, etcetera.
Faulty cutting equipment or the wrong combination
of guide bar and saw chain increases the risk of
kickback! Only use the guide bar and saw chain
combinations we recommend, and follow the filing
instructions. Refer to
To sharpen the saw chain on
page 22
for instructions.
Never start a product unless the guide bar, saw
chain and all covers are fitted correctly. Refer to
Assembly on page 9
for instructions. Without a
guide bar and saw chain attached to the product the
clutch can come loose and cause serious injury.
Never start the product indoors. Exhaust fumes can
be dangerous if inhaled.
Observe your surroundings and make sure that there
is no risk of people or animals coming in contact with
or affect your control of the product.
Lack of concentration can lead to kickback if the
kickback zone of the bar accidentally touches a
branch, nearby tree or some other object.
Never use a chainsaw by holding it with one hand. A
chainsaw is not safely controlled with one hand; you
can cut yourself. Always have a secure, firm grip
around the handles with both hands.
Always hold the chainsaw firmly with your right hand
on the top handle and your left hand on the front
handle. Wrap your fingers and thumbs around the
handles. You should use this grip whether you are
right handed or left handed. This grip minimizes the
effect of kickback and lets you keep the chainsaw
under control. Do not let go of the handles!
Never use the chainsaw above shoulder height.
Do not use the product in a situation where you
cannot call for help in case of an accident.
Sometimes chips get stuck in the clutch cover
causing the saw chain to jam. Always stop the
engine before cleaning.
If the saw chain jams in the cut: stop the engine!
Running an engine in a confined or badly ventilated
area can result in death due to carbon monoxide
poisoning.
The exhaust fumes from the engine are hot and may
contain sparks which can start a fire. Do not start the
product indoors or near flammable material.
Use the chain brake as a parking brake when you
start the product and when you move short
distances. Always carry the product in the front
handle. This decreases the risk that you or a person
near you get hit by the saw chain.
Overexposure to vibration can lead to circulatory
damage or nerve damage in people who have
impaired circulation. Contact your doctor if you
experience symptoms of overexposure to vibration.
Such symptoms include numbness, loss of feeling,
tingling, pricking, pain, loss of strength, changes in
skin colour or condition. These symptoms normally
appear in the fingers, hands or wrists. These
symptoms may be increased in cold temperatures.
It is not possible to cover every conceivable situation
you can face when using a chainsaw. Always
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5
exercise care and use your common sense. Avoid all
situations which you consider to be beyond your
capability. If you still feel uncertain about operating
procedures after reading these instructions, you
should consult an expert before continuing. Do not
hesitate to contact your dealer or Zenoah if you have
any questions about the use of the chainsaw. We will
willingly be of service and provide you with advice as
well as help you to use your chainsaw both efficiently
and safely. Attend a training course in chainsaw
usage if possible. Your dealer, forestry school or
your library can provide information about which
training materials and courses are available.
Personal protective equipment
WARNING: Read the warning instructions
that follow before you use the product.
Most chainsaw accidents occur when the saw chain
touches the operator. You must use approved
personal protective equipment during operation.
Personal protective equipment does not give you full
protection from injuries but it decreases the degree
of injury if an accident occurs. Speak to your
servicing dealer for recommendations about which
equipment to use.
Your clothing must be close-fitting but not limit your
movements. Regularly do a check of the condition of
the personal protective equipment.
Use an approved protective helmet.
Use approved hearing protection. Long-term
exposure to noise can result in permanent damage
to the hearing.
Use protective glasses or a face visor to decrease
the risk of injury from thrown objects. The product
can throw objects, such as wood chips, small pieces
of wood and more, at large force. This can result in
serious injury, especially to the eyes.
Use gloves with saw protection.
Use pants with saw protection.
Use boots with saw protection, steel toe-cap and
non-slip sole.
Always have a first-aid kit with you.
Risk of sparks. Keep fire extinguishing tools and a
shovel near to prevent forest fires.
Safety devices on the product
WARNING: Read the warning instructions
that follow before you use the product.
Do not use a product with defective safety devices.
Do a check of the safety devices regularly. Refer to
Maintenance and checks of the safety devices on
the product on page 18
.
If the safety devices are defective, speak to your
Zenoah servicing dealer.
Chain brake and front hand guard
Your product has a chain brake that stops the saw chain
if you get a kickback. The chain brake decreases the
risk of accidents, but only you can prevent them.
The chain brake (A) engages manually by your left hand
or automatically by the inertia release mechanism. Push
the front hand guard (B) forward to engage the chain
brake manually.
A
B
B
Pull the front hand guard rearward to disengage the
chain brake.
Throttle trigger lockout
The throttle trigger lockout prevents accidental operation
of the throttle trigger. If you put your hand around the
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handle and press the throttle trigger lockout (A), it
releases the throttle trigger (B). If you release the
handle, the throttle trigger and the throttle trigger lockout
move back to their initial positions. This function locks
the throttle trigger at idle speed.
B
A
Chain catcher
The chain catcher catches the saw chain if it breaks or
derails. Correct saw chain tension and correctly applied
maintenance on the saw chain and guide bar, decrease
the risk of accidents.
Vibration damping system
The vibration damping system decreases vibration in the
handles. Vibration damping units operate as a
separation between the product body and the handle
unit.
Refer to
Product overview on page 2
for information
about where the vibration damping system is on your
product.
Start/stop switch
Use the start/stop switch to stop the engine.
Muffler
WARNING: The muffler becomes very hot
during/after operation and at idle speed.
There is a risk of fire, especially when you
operate the product near flammable
materials and/or fumes.
WARNING: Do not operate a product
without a muffler or with a defective muffler.
A defective muffler can increase the noise
level and the risk of fire. Keep fire
extinguishing tools near. Do not use a
product without, or with a broken, spark
arrestor mesh if you must have a spark
arrestor mesh in your area.
The muffler keeps the noise levels to a minimum and
points the exhaust fumes away from the operator. In
areas with a hot, dry weather there is a high risk of fire.
Obey local regulations and maintenance instructions.
Fuel safety
WARNING: Read the warning instructions
that follow before you use the product.
Make sure there is plenty of ventilation when
refuelling or mixing fuel (petrol and two-stroke oil).
Fuel and fuel vapour are highly flammable and can
cause serious injury when inhaled or allowed to
come in contact with the skin. For this reason
observe caution when handling fuel and make sure
there is adequate ventilation.
Take care when handling fuel and chain oil. Be
aware of the risks of fire, explosion and those
associated with inhalation.
Do not smoke and do not place any hot objects in
the vicinity of fuel.
Always stop the engine and let it cool for a few
minutes before refuelling.
When refuelling, open the fuel cap slowly so that any
excess pressure is released gently.
Tighten the fuel cap carefully after refuelling.
Never refuel the product while the engine is running.
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Always move the product at least 3 m (10 ft) away
from the refuelling area and fuel source before
starting.
Min. 3m
(10 ft)
After refuelling, there are some situations where you
must never start the product:
If you have spilled fuel or chain oil on the product.
Wipe off the spillage and allow remaining fuel to
evaporate.
If you have spilled fuel on yourself or on your
clothes. Change your clothes and wash any part of
your body that has come in contact with fuel. Use
soap and water.
If the product leaks fuel. Regularly do a check for
leaks from the fuel tank, fuel cap and fuel lines.
Safety instructions for maintenance
WARNING: Read the warning instructions
that follow before you do maintenance on
the product.
Do only the maintenance and servicing given in this
operator's manual. Let professional servicing
personnel do all other servicing and repairs.
Regularly do the safety checks, maintenance and
service instructions given in this manual. Regular
maintenance increases the life of the product and
decreases the risk of accidents. Refer to
Maintenance and checks of the safety devices on
the product on page 18
for instructions.
If the safety checks in this operator's manual is not
approved after you do maintenance, speak to your
servicing dealer. We guarantee that there are
professional repairs and servicing available for your
product.
Safety instructions for the cutting equipment
WARNING:
Read the warning instructions
that follow before you use the product.
Only use the guide bar/saw chain combinations and
filing equipment that we recommend. Refer to
Accessories on page 29
for instructions.
Use protective gloves when you use or do
maintenance on the saw chain. A saw chain that
does not move can also cause injuries.
Keep the cutting teeth correctly sharpened. Obey the
instructions and use the recommended file gauge. A
saw chain that is damaged or incorrectly sharpened
increases the risk of accidents.
Keep the correct depth gauge setting. Obey the
instructions and use the recommended depth gauge
setting. Too large depth gauge setting increases the
risk of kickback.
Make sure that the saw chain has the correct
tension. If the saw chain is not tight against the guide
bar, the saw chain can derail. An incorrect saw chain
tension increases wear on the guide bar, saw chain
and chain drive sprocket. Refer to
To adjust the
tension of the saw chain on page 24
.
Do maintenance on the cutting equipment regularly
and keep it correctly lubricated. If the saw chain is
not correctly lubricated, the risk of wear on the guide
bar, saw chain and chain drive sprocket increases.
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Assembly
Introduction
WARNING: Read and understand the safety
chapter before you assemble the product.
To assemble the guide bar and saw
chain
1. Disengage the chain brake.
2. Loosen the bar nuts and remove the clutch cover.
Remove the transportation guard.
Note: If the clutch cover is not easy to remove,
tighten the bar nut, engage the chain brake and
release. A click is heard if it is released correctly.
3. Assemble the guide bar onto the bar bolt. Move the
guide bar to its most rear position.
4. Install the saw chain correctly around the drive
sprocket and put it in the groove on the guide bar.
WARNING: Always use protective
gloves when you assemble the saw
chain.
5. Make sure that the edges of the cutters point forward
on the top edge of the guide bar.
6. Align the hole in the guide bar with the chain adjuster
pin and install the clutch cover.
7. Tighten the bar nuts finger tight.
8. Tighten the saw chain. Refer to
To adjust the tension
of the saw chain on page 24
for instructions.
9. Tighten the bar nuts.
Operation
Introduction
WARNING: Read and understand the safety
chapter before you use the product.
To do a function check before you use
the product
1. Make sure that the chain brake operates correctly
and that it is not damaged.
2. Make sure that the throttle trigger lockout operates
correctly and that it is not damaged.
3. Make sure that the start/stop switch operates
correctly and that it is not damaged.
4. Make sure that there is no oil on the handles.
5. Make sure that the vibration damping system
operates correctly and that it is not damaged.
6. Make sure that the muffler is correctly attached and
that it is not damaged.
7. Make sure that all parts are correctly attached and
not damaged or missing.
8. Make sure that the chain catcher is correctly
attached.
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9. Make sure that the saw chain tension is correct.
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75
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4
6
Fuel
This product has a two-stroke engine.
CAUTION: Incorrect type of fuel can result in
engine damage. Use a mixture of gasoline
and two-stroke oil.
Premixed fuel
Use Zenoah premixed alkylate fuel of a good quality,
for best performance and extension of the engine
life. This fuel contains less harmful chemicals
compared to regular fuel, which decreases harmful
exhaust fumes. The quantity of remains after
combustion is lower with this fuel, which keeps the
components of the engine more clean.
To mix fuel
Gasoline
Use good quality unleaded gasoline with a maximum
of 10% ethanol contents.
CAUTION:
Do not use gasoline with an
octane grade less than 90 RON/87 AKI.
Use of a lower octane grade can cause
engine knocking, which causes engine
damages.
We recommend that you use gasoline of a higher
octane grade for work with continuously high rpm.
Two-stroke oil
For best results and performance use Zenoah two-
stroke oil.
If Zenoah two-stroke oil is not available, use a two-
stroke oil of good quality for air-cooled engines.
Speak to your servicing dealer to select the correct
oil.
CAUTION:
Do not use two-stroke oil for
water-cooled outboard engines, also
referred to as outboard oil. Do not use oil
for four-stroke engines.
To mix gasoline and two-stroke oil
Gasoline, liter Two-stroke oil,
liter
2% (50:1)
5 0.10
10 0.20
15 0.30
20 0.40
CAUTION: Small errors can influence the
ratio of the mixture drastically when you mix
small quantities of fuel. Measure the quantity
of oil carefully and make sure that you get
the correct mixture.
1. Fill half the quantity of gasoline in a clean container
for fuel.
2. Add the full quantity of oil.
3. Shake the fuel mixture.
4. Add the remaining quantity of gasoline to the
container.
5. Carefully shake the fuel mixture.
CAUTION: Do not mix fuel for more than 1
month at a time.
To fill the fuel tank
1. Clean the area around the fuel tank cap.
2. Shake the container and make sure that the fuel is
fully mixed.
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3. Tighten the fuel tank cap carefully.
4. Move the product 3 m/10 ft or more away from the
refueling area and fuel source before starting.
Note: To see where the fuel tank is on you product, refer
to
Product overview on page 2
.
To do a run-in
During the first 10 hours of operation, do not apply
full throttle without load for extended periods.
To use the correct chain oil
WARNING: Do not use waste oil, which can
cause injury to you and the environment.
Waste oil also causes damage to the oil
pump, the guide bar and the saw chain.
WARNING: The saw chain can break if the
lubrication of the cutting equipment is not
sufficient. Risk of serious injury or death to
the operator.
WARNING: This product has a function that
lets the fuel run out before the chain oil. Use
the correct chain oil for this function to
operate correctly. Speak to your servicing
dealer when you select your chain oil.
Use Zenoah chain oil for maximum saw chain life
and to prevent negative effects on the environment.
If Zenoah chain oil is not available, we recommend
you to use a standard chain oil.
Use a chain oil with good adherence to the saw
chain.
Use a chain oil with correct viscosity range that
agrees with the air temperature.
CAUTION:
If the oil is too thin, it runs out
before the fuel. In temperatures below
0°C/32°F some chain oils become too
thick, which can cause damage to the oil
pump components.
Use the recommended cutting equipment. Refer to
Accessories on page 29
.
Remove the cap to the chain oil tank.
Fill the chain oil tank with chain oil.
Attach the cap carefully.
Note:
To see where the chain oil tank is on you product,
refer to
Product overview on page 2
.
Kickback information
WARNING: A kickback can cause serious
injury or death to the operator or others. To
decrease the risk you must know the causes
of kickback and how to prevent them.
A kickback occurs when the kickback zone of the guide
bar touches an object. A kickback can occur suddenly
and with large force, which throws the product in the
direction of the operator.
Kickback always occurs in the cutting plane of the guide
bar. Usually, the product is thrown against the operator
but can also move in a different direction. It is how you
use the product when the kickback occurs that causes
the direction of the movement.
A smaller bar tip radius decreases the force of the
kickback.
Use a low kickback saw chain to decrease the effects of
kickback. Do not let the kickback zone touch an object.
WARNING:
No saw chain fully prevents
kickback. Always obey the instructions.
Common questions about kickback
Will the hand always engage the chain brake during
a kickback?
No. It is necessary to use some force to push the
front hand guard forward. If you do not use the force
necessary, the chain brake will not be engaged. You
must also hold the handles of the product stable with
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11
two hands during work. If a kickback occurs, it is
possible that the chain brake does not stop the saw
chain before it touches you. There are also some
positions in which your hand can not touch the front
hand guard to engage the chain brake. An example
of this is in the felling position.
Will the inertia release mechanism always engage
the chain brake during kickback?
No. First, the chain brake must operate correctly.
Refer to
To do a check of the chain brake on page
18
for instructions about how to do a check of the
chain brake. We recommend you to do this each
time before you use the product. Second, the force
of the kickback must be large to engage the chain
brake. If the chain brake is too sensitive, it can
engage during rough operation.
Will the chain brake always protect me from injury
during a kickback?
No. The chain brake must operate correctly to give
protection. The chain brake must also be engaged
during a kickback to stop the saw chain. If you are
near the guide bar, it is possible that the chain brake
does not have time to stop the saw chain before it
hits you.
WARNING: Only you and the correct
working technique can prevent kickbacks.
To start the product
To prepare to start with a cold engine
WARNING:
The chain brake must be
engaged when the product is started to
decrease the risk of injury.
1. Move the front hand guard forward to engage the
chain brake.
2. Push the air purge bulb approximately 6 times or
until fuel starts to fill the bulb. It is not necessary to
fill the air purge bulb fully.
3. Set the start/stop switch to start position.
4. Set the choke to choke position.
5. Continue to
To start the product on page 13
for
more instructions.
To prepare to start with a warm engine
WARNING: The chain brake must be
engaged when the product is started to
decrease the risk of injury.
1. Move the front hand guard forward to engage the
chain brake.
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2. Push the air purge bulb about 6 times or until fuel
starts to fill the bulb. It is not necessary to fill the air
purge bulb fully.
3. Continue to
To start the product on page 13
for
more instructions.
To start the product
WARNING: You must keep your feet in a
stable position when you start the product.
WARNING: If the saw chain rotates at idle
speed, speak to your servicing dealer and
do not use the product.
1. Put the product on the ground.
2. Put your left hand on the front handle.
3. Put your knee on the rear part of the top handle.
4. Pull the starter rope handle slowly with your right
hand until you feel resistance.
WARNING:
Do not twist the starter cord
around your hand.
CAUTION: Do not pull the starter rope to
full extension and do not let go of the
starter rope handle.
a) If you start your product with a cold engine, pull
the starter rope handle until the engine fires.
Note:
You can identify when the engine fires
through a "puff" sound.
b) Put the choke control in choke position.
5. Pull the starter rope handle until the engine starts.
6. Quickly disengage the throttle trigger lockout to set
the product to idle speed.
7. Move the front hand guard rearward to disengage
the chain brake.
8. Use the product.
To start the product in the tree
Note:
Make sure that you have sufficient fuel before you
start the product.
1. Engage the chain brake.
2. Hold the product on the left or right side of your body
when you start the product.
a) If you hold the product on your left side, put your
left hand on the front handle. Hold the starter
rope handle with your right hand and thrust the
product away from your body when you start the
product.
b) If you hold the product on your right side, put
your right hand on one of the two handles. Hold
the starter rope handle with your left hand and
thrust the product away from your body when
you start the product.
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To stop the product
1. Push the start/stop switch to the STOP position.
Information about working technique
WARNING: The information related to
working technique in this operator's manual
is not sufficient training to operate this
product. Only use this product if you have
correct training in tree maintenance.
Operation without correct training can result
in serious injury or death to the operator or
others.
Use full throttle when you cut and decrease to idle
speed after each cut.
CAUTION: Engine damage can occur if
the engine runs for too long at full throttle
without load.
When you cut, put the spiked bumper into the trunk
and use it as a lever.
Note:
Not all models have a spiked bumper. Speak
to your servicing dealer for more information.
Pull stroke and push stroke
You can cut through wood with the product in 2 different
positions.
To cut on the pull stroke is when you cut with the
bottom of the guide bar. The saw chain pulls through
the tree when you cut. In this position you have
better control of the product and the position of the
kickback zone.
To cut on the push stroke is when you cut with the
top of the guide bar. The saw chain pushes the
product in the direction of the operator.
WARNING: If the saw chain is caught in
the trunk, the product can be pushed at
you. Hold the product tightly and make
sure that the kickback zone of the guide
bar does not touch the tree and causes a
kickback.
To prepare the product for operation in
the tree
Ground operator
As a ground operator, do the following steps.
1. Examine the product.
2. Fill the fuel and chain oil tanks.
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308 - 007 - 05.11.2019
3. Attach the end of an approved safety strop to the
rope eyelet.
Note: A safety strop makes sure that the product
does not hit the ground if it falls.
4. Make sure that there is a carabiner on the other end
of the safety strop.
5. Start and warm up the product.
6. Stop the product.
7. Engage the chain brake.
8. Lift the product to the operator in the tree using
ascent tools.
WARNING: Make sure that the product
is safely attached when you lift it to the
operator in the tree.
Tree operator
As a tree operator, follow the instructions below.
1. Before you disconnect the safety strop from the
ascent tools, you must attach the product to the
harness. Attach the product to the harness through
the belt eyelet or a steel ring on the safety strop.
WARNING: Attach the safety strop to 1
of the recommended connection points
on the harness.
WARNING: If you use only the safety
strop to attach the product to the
harness, lower the product fully down
with the safety strop. Do not let go of the
product from a height.
2. Use approved carabiners to attach the free end of
the safety strop to one of the connection points on
the harness. This is your primary connection point.
CAUTION: The safety strop must only be
attached to the rope eyelet.
3. Make sure that you are in a stable and safe position
to make the cut.
4. Release the product from the secondary connection
point, start the product and make the cut.
5. Engage the chain brake directly after the cut is
completed.
6. Stop the product and put it in its secondary
connection point.
To operate the product in a tree
WARNING: Most accidents occur when the
operator does not have full control of the
product or the work position.
Keep a safe work position.
Cut horizontal sections at hip level and vertical
sections at solar plexus level.
Hold the product with 2 hands.
Make sure that you are stable on your feet and keep
a low lateral force when you cut vertical branches.
Steer the safety line through a different connection
point to remove or prevent increasing lateral forces.
You can also use an adjustable strop directly from
the harness to a different connection point.
308 - 007 - 05.11.2019
15
Use a foot loop to keep a safe work position.
Do a check of the harness, belt and ropes at a
regular interval.
If you must climb with the product, attach the product
to the rear connection point on the harness. The rear
connection point keeps the product clear from
climbing lines and makes sure that the weight has
central support down your spine.
WARNING: You must engage the chain
brake when you lower the product onto
its strop.
To remove a trapped product
1. Stop the product.
2. Attach the product safely to the tree inboard, against
the trunk side, of the cut or a different tool line.
3. Carefully pull the saw away from the kerf while you
lift the branch as necessary.
WARNING: Do not try to pull the product
free. Risk of serious injury.
4. If it is necessary, use a hand saw or a second
chainsaw to release the product. Cut the branch at a
minimum of 30 cm/12 in from the caught product.
Make the cut on the outer end from where the
product is caught.
Maintenance
Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
Maintenance schedule
Daily maintenance Weekly maintenance Monthly maintenance
Clean the external parts of the prod-
uct and make sure that there is no oil
on the handles.
Clean the cooling system. Refer to
To clean the cooling system on page
27
.
Do a check of the brake band. Refer
to
To do a check of the brake band
on page 18
.
Do a check of the throttle trigger and
throttle trigger lockout. Refer to
To do
a check of the throttle trigger and the
throttle trigger lockout on page 18
.
Do a check of the starter, starter rope
and return spring.
Do a check of the clutch centre,
clutch drum and clutch spring.
16 308 - 007 - 05.11.2019
Daily maintenance Weekly maintenance Monthly maintenance
Make sure that there is no damage
on the vibration damping units.
Lubricate the needle bearing. Refer
to
To lubricate the needle bearing on
page 25
.
Clean the spark plug. Refer to
To do
a check of the spark plug on page
22
.
Clean and do a check of the chain
brake. Refer to
To do a check of the
chain brake on page 18
.
Remove burrs from the edges of the
guide bar. Refer to
To do a check of
the guide bar on page 26
.
Clean the external parts of the carbu-
rettor.
Do a check of the chain catcher. Re-
fer to
To do a check of the chain
catcher on page 19
.
Clean or replace the spark arrestor
mesh on the muffler.
Do a check of the fuel filter and the
fuel hose. Replace if necessary.
Turn the guide bar, do a check of the
lubrication hole and clean the groove
in the guide bar. Refer to
To do a
check of the guide bar on page 26
.
Clean the carburetor area. Do a check of all cables and connec-
tions.
Make sure that the guide bar and
saw chain are getting sufficient oil.
Clean or replace the air filter. Refer
to
To clean the air filter on page 21
.
Empty the fuel tank.
Do a check of the saw chain. Refer to
To examine the cutting equipment on
page 25
.
Clean between the cylinder fins. Empty the oil tank.
Sharpen the saw chain and do a
check of its tension. Refer to
To
sharpen the saw chain on page 22
.
Do a check of the chain drive sprock-
et. Refer to
To do a check of the spur
sprocket on page 25
.
Clean the air intake on the starter.
Make sure that nuts and screws are
tightened.
Do a check of the stop switch. Refer
to
To do a check of the start/stop
switch on page 19
.
Make sure that these are no fuel
leaks from the engine, tank or fuel
lines.
Make sure that the saw chain does
not rotate when the engine is at idle
speed.
Make sure that the muffler is correct-
ly attached, has no damages and
that no parts of the muffler are miss-
ing.
308 - 007 - 05.11.2019 17
Maintenance and checks of the safety
devices on the product
To do a check of the brake band
1. Use a brush to remove wood dust, resin and dirt
from the chain brake and clutch drum. Dirt and wear
can decrease the function of the brake.
2. Do a check of the brake band. The brake band must
be at a minimum of 0.6 mm/0.024 in thick at its
thinnest point.
To do a check of the front hand guard
1. Make sure that the front hand guard is not damaged
and that there are no defects, such as cracks.
2. Make sure that the front hand guard moves freely
and that it is attached safely to the clutch cover.
To do a check of the chain brake
1. Start the product. Refer to
To start the product on
page 12
for instructions.
WARNING: Make sure that the saw
chain does not touch the ground or other
objects.
2. Hold the product tightly.
WARNING: Make sure that the saw
chain does not touch the ground or other
objects.
3. Apply full throttle and tilt your left wrist against the
front hand guard to engage the chain brake. The
saw chain must stop immediately.
WARNING: Do not let go of the front handle
when you engage the chain brake.
To do a check of the throttle trigger and the
throttle trigger lockout
1. Make sure that the throttle trigger and throttle trigger
lockout move freely and that the return spring works
correctly.
2. Push down the throttle trigger lockout and make sure
that it goes back to its initial position when you
release it.
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308 - 007 - 05.11.2019
3. Make sure that the throttle trigger is locked at the
idle position when the throttle trigger lockout is
released.
4. Start the chainsaw and apply full throttle.
5. Release the throttle trigger and make sure that the
saw chain stops and stays stationary.
WARNING: If the saw chain rotates
when the throttle trigger is in the idle
position, speak to your servicing dealer.
To do a check of the chain catcher
1. Make sure that there is no damage on the chain
catcher.
2. Make sure that the chain catcher is stable and
attached to the body of the product.
To do a check of the vibration damping
system
1. Make sure that there are no cracks or deformation
on the vibration damping units.
2. Make sure that the vibration damping units are
correctly attached to the engine unit and handle unit.
Refer to
Product overview on page 2
for information
about where the vibration damping system is on your
product.
To do a check of the start/stop switch
1. Start the engine.
2. Push the start/stop switch to the STOP position. The
engine must stop.
To do a check of the muffler
1. Loosen the screws (A and B).
A
B
2. Remove the muffler cover.
3. Loosen the screws and nuts.
4. Remove the muffler and make sure that it is not
defective.
308 - 007 - 05.11.2019
19
5. Assemble the muffler and make sure that it is
correctly attached to the product.
6. Some mufflers have a special spark arrestor mesh.
Clean the spark arrestor mesh one time each week if
your product has this type of muffler.
Carburetor adjustment
Because of environmental and emissions laws, your
product has adjustment limitations on the carburetor
adjuster screws. This decreases the harmful exhaust
fumes from your product. You can only turn the
adjustment screws maximum ½ turn.
1/2
1/2
H
L
Basic adjustments and run-in
The basic carburetor adjustments are done at the
factory. For the recommended idle speed, refer to
Technical data on page 28
.
CAUTION: Do not operate the product at too
high speed during the first 10 hours of
operation.
CAUTION: If the saw chain rotates at idle
speed, turn the idle speed screw
counterclockwise until the saw chain stops.
To adjust the low speed needle (L)
Turn the low speed needle clockwise until stop.
Note: If the product has a bad acceleration capacity
or if the idle speed is not correct, turn the low speed
needle counterclockwise. Turn the low speed needle
until the acceleration capacity and idle speed is
correct.
To adjust the idle speed screw (T)
1. Start the product.
2. Turn the idle speed screw clockwise until the saw
chain starts to rotate.
3. Turn the idle speed screw counterclockwise until the
saw chain stops.
Note: The idle speed is correctly adjusted when the
engine runs correctly in all positions. The idle speed
must also be safely below the speed at which the saw
chain starts to rotate.
WARNING: If the saw chain does not stop
when you turn the idle speed screw, speak
to your servicing dealer. Do not use the
product until it is correctly adjusted.
To adjust the high speed needle (H)
The engine is adjusted at the factory to operate at sea
level. At higher altitudes, in different weather or different
temperatures it can be necessary to adjust the high
speed needle.
Turn the high speed needle to make adjustments.
CAUTION:
Do not turn the high speed
needle screw across the adjustment
limitation stop. This can cause damage
to the piston and the cylinder.
To examine if the carburetor is correctly
adjusted
Make sure that the product has the correct
acceleration capacity.
Make sure that the product 4-cycles a little at full
throttle.
Make sure that the saw chain does not rotate at idle
speed.
If the product is not easy to start or has less
acceleration capacity, adjust the low and high speed
needles.
20
308 - 007 - 05.11.2019
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Zenoah GZ3500T Mode d'emploi

Taper
Mode d'emploi